diff --git a/llvm/test/Transforms/LoopVectorize/consecutive-ptr-uniforms.ll b/llvm/test/Transforms/LoopVectorize/consecutive-ptr-uniforms.ll index e1d01bab61b77..c6c3cc541e2b2 100644 --- a/llvm/test/Transforms/LoopVectorize/consecutive-ptr-uniforms.ll +++ b/llvm/test/Transforms/LoopVectorize/consecutive-ptr-uniforms.ll @@ -1,25 +1,95 @@ -; REQUIRES: asserts -; RUN: opt %s -passes=loop-vectorize,instcombine -force-vector-width=4 -force-vector-interleave=1 -debug-only=loop-vectorize -disable-output -print-after=instcombine 2>&1 | FileCheck %s -; RUN: opt %s -passes=loop-vectorize,instcombine -force-vector-width=4 -force-vector-interleave=1 -enable-interleaved-mem-accesses -debug-only=loop-vectorize -disable-output -print-after=instcombine 2>&1 | FileCheck %s --check-prefix=INTER +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --prefix-filecheck-ir-name unnamed --version 5 +; RUN: opt %s -S -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 | FileCheck %s +; RUN: opt %s -S -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -enable-interleaved-mem-accesses | FileCheck %s --check-prefix=INTER target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" %pair = type { i32, i32 } -; CHECK-LABEL: consecutive_ptr_forward -; ; Check that a forward consecutive pointer is recognized as uniform and remains ; uniform after vectorization. + +define i32 @consecutive_ptr_forward(ptr %a, i64 %n) { +; CHECK-LABEL: define i32 @consecutive_ptr_forward( +; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP1:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDEX]] +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP0]], align 8 +; CHECK-NEXT: [[TMP1]] = add <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]] +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP1]]) +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]] +; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP3]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP2]] +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP3:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = phi i32 [ [[UNNAMEDTMP3]], %[[FOR_BODY]] ], [ [[TMP3]], %[[MIDDLE_BLOCK]] ] +; CHECK-NEXT: ret i32 [[UNNAMEDTMP4]] ; -; CHECK: LV: Found uniform instruction: %tmp1 = getelementptr inbounds i32, ptr %a, i64 %i -; CHECK: vector.body -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK-NOT: getelementptr -; CHECK: getelementptr inbounds i32, ptr %a, i64 %index -; CHECK-NOT: getelementptr -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define i32 @consecutive_ptr_forward( +; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP1:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDEX]] +; INTER-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP0]], align 8 +; INTER-NEXT: [[TMP1]] = add <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]] +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP1]]) +; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]] +; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8 +; INTER-NEXT: [[UNNAMEDTMP3]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP2]] +; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP3:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = phi i32 [ [[UNNAMEDTMP3]], %[[FOR_BODY]] ], [ [[TMP3]], %[[MIDDLE_BLOCK]] ] +; INTER-NEXT: ret i32 [[UNNAMEDTMP4]] ; -define i32 @consecutive_ptr_forward(ptr %a, i64 %n) { entry: br label %for.body @@ -38,22 +108,104 @@ for.end: ret i32 %tmp4 } -; CHECK-LABEL: consecutive_ptr_reverse -; ; Check that a reverse consecutive pointer is recognized as uniform and remains ; uniform after vectorization. + +define i32 @consecutive_ptr_reverse(ptr %a, i64 %n) { +; CHECK-LABEL: define i32 @consecutive_ptr_reverse( +; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[N]], -1 +; CHECK-NEXT: [[SMIN:%.*]] = call i64 @llvm.smin.i64(i64 [[TMP0]], i64 0) +; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[N]], [[SMIN]] +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]] +; CHECK-NEXT: [[TMP2:%.*]] = sub i64 [[N]], [[N_VEC]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i64 [[N]], [[INDEX]] +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[OFFSET_IDX]] +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP8]], i32 -3 +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[REVERSE:%.*]] = shufflevector <4 x i32> [[WIDE_LOAD]], <4 x i32> poison, <4 x i32> +; CHECK-NEXT: [[TMP5]] = add <4 x i32> [[VEC_PHI]], [[REVERSE]] +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP5]]) +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[N]], %[[ENTRY]] ] +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP7]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]] +; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP3]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP2]] +; CHECK-NEXT: [[I_NEXT]] = add nsw i64 [[I]], -1 +; CHECK-NEXT: [[COND:%.*]] = icmp sgt i64 [[I_NEXT]], 0 +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP5:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = phi i32 [ [[UNNAMEDTMP3]], %[[FOR_BODY]] ], [ [[TMP7]], %[[MIDDLE_BLOCK]] ] +; CHECK-NEXT: ret i32 [[UNNAMEDTMP4]] ; -; CHECK: LV: Found uniform instruction: %tmp1 = getelementptr inbounds i32, ptr %a, i64 %i -; CHECK: vector.body -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK: [[OFFSET_IDX:%.+]] = sub i64 %n, %index -; CHECK-NOT: getelementptr -; CHECK: %[[G0:.+]] = getelementptr inbounds i32, ptr %a, i64 [[OFFSET_IDX]] -; CHECK: getelementptr inbounds i8, ptr %[[G0]], i64 -12 -; CHECK-NOT: getelementptr -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define i32 @consecutive_ptr_reverse( +; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[TMP0:%.*]] = add nsw i64 [[N]], -1 +; INTER-NEXT: [[SMIN:%.*]] = call i64 @llvm.smin.i64(i64 [[TMP0]], i64 0) +; INTER-NEXT: [[TMP1:%.*]] = sub i64 [[N]], [[SMIN]] +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4 +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]] +; INTER-NEXT: [[TMP2:%.*]] = sub i64 [[N]], [[N_VEC]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[OFFSET_IDX:%.*]] = sub i64 [[N]], [[INDEX]] +; INTER-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[OFFSET_IDX]] +; INTER-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i32 0 +; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP8]], i32 -3 +; INTER-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP4]], align 8 +; INTER-NEXT: [[REVERSE:%.*]] = shufflevector <4 x i32> [[WIDE_LOAD]], <4 x i32> poison, <4 x i32> +; INTER-NEXT: [[TMP5]] = add <4 x i32> [[VEC_PHI]], [[REVERSE]] +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP5]]) +; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]] +; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[N]], %[[ENTRY]] ] +; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP7]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]] +; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8 +; INTER-NEXT: [[UNNAMEDTMP3]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP2]] +; INTER-NEXT: [[I_NEXT]] = add nsw i64 [[I]], -1 +; INTER-NEXT: [[COND:%.*]] = icmp sgt i64 [[I_NEXT]], 0 +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP5:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = phi i32 [ [[UNNAMEDTMP3]], %[[FOR_BODY]] ], [ [[TMP7]], %[[MIDDLE_BLOCK]] ] +; INTER-NEXT: ret i32 [[UNNAMEDTMP4]] ; -define i32 @consecutive_ptr_reverse(ptr %a, i64 %n) { entry: br label %for.body @@ -72,41 +224,128 @@ for.end: ret i32 %tmp4 } -; CHECK-LABEL: interleaved_access_forward -; INTER-LABEL: interleaved_access_forward -; ; Check that a consecutive-like pointer used by a forward interleaved group is ; recognized as uniform and remains uniform after vectorization. When ; interleaved memory accesses aren't enabled, the pointer should not be ; recognized as uniform, and it should not be uniform after vectorization. + +define i32 @interleaved_access_forward(ptr %p, i64 %n) { +; CHECK-LABEL: define i32 @interleaved_access_forward( +; CHECK-SAME: ptr [[P:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP28:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[INDEX:%.*]] = add i64 [[INDEX1]], 0 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX1]], 1 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX1]], 2 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX1]], 3 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[INDEX]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP0]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP1]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP2]], i32 0 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[INDEX]], i32 1 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP0]], i32 1 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP1]], i32 1 +; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP2]], i32 1 +; CHECK-NEXT: [[TMP11:%.*]] = load i32, ptr [[TMP3]], align 8 +; CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP13:%.*]] = load i32, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> poison, i32 [[TMP11]], i32 0 +; CHECK-NEXT: [[TMP17:%.*]] = insertelement <4 x i32> [[TMP16]], i32 [[TMP12]], i32 1 +; CHECK-NEXT: [[TMP23:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP13]], i32 2 +; CHECK-NEXT: [[TMP18:%.*]] = insertelement <4 x i32> [[TMP23]], i32 [[TMP14]], i32 3 +; CHECK-NEXT: [[TMP19:%.*]] = load i32, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP20:%.*]] = load i32, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP21:%.*]] = load i32, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP22:%.*]] = load i32, ptr [[TMP10]], align 8 +; CHECK-NEXT: [[TMP24:%.*]] = insertelement <4 x i32> poison, i32 [[TMP19]], i32 0 +; CHECK-NEXT: [[TMP25:%.*]] = insertelement <4 x i32> [[TMP24]], i32 [[TMP20]], i32 1 +; CHECK-NEXT: [[TMP31:%.*]] = insertelement <4 x i32> [[TMP25]], i32 [[TMP21]], i32 2 +; CHECK-NEXT: [[TMP26:%.*]] = insertelement <4 x i32> [[TMP31]], i32 [[TMP22]], i32 3 +; CHECK-NEXT: [[TMP27:%.*]] = add <4 x i32> [[TMP18]], [[TMP26]] +; CHECK-NEXT: [[TMP28]] = add <4 x i32> [[VEC_PHI]], [[TMP27]] +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX1]], 4 +; CHECK-NEXT: [[TMP29:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP29]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[TMP30:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP28]]) +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP30]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP6:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0 +; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 1 +; CHECK-NEXT: [[UNNAMEDTMP3:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP2]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP5:%.*]] = add i32 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]] +; CHECK-NEXT: [[UNNAMEDTMP6]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP5]] +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP7:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: [[UNNAMEDTMP14:%.*]] = phi i32 [ [[UNNAMEDTMP6]], %[[FOR_BODY]] ], [ [[TMP30]], %[[MIDDLE_BLOCK]] ] +; CHECK-NEXT: ret i32 [[UNNAMEDTMP14]] ; -; CHECK-NOT: LV: Found uniform instruction: %tmp1 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 0 -; CHECK-NOT: LV: Found uniform instruction: %tmp2 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 1 -; CHECK: vector.body -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK: %[[I1:.+]] = or disjoint i64 %index, 1 -; CHECK: %[[I2:.+]] = or disjoint i64 %index, 2 -; CHECK: %[[I3:.+]] = or disjoint i64 %index, 3 -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %index -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I1]] -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I2]] -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I3]] -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %index, i32 1 -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I1]], i32 1 -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I2]], i32 1 -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I3]], i32 1 -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body -; -; INTER: LV: Found uniform instruction: %tmp1 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 0 -; INTER: LV: Found uniform instruction: %tmp2 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 1 -; INTER: vector.body -; INTER: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; INTER-NOT: getelementptr -; INTER: getelementptr inbounds %pair, ptr %p, i64 %index -; INTER-NOT: getelementptr -; INTER: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define i32 @interleaved_access_forward( +; INTER-SAME: ptr [[P:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP2:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[INDEX]], i32 0 +; INTER-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, ptr [[TMP0]], align 8 +; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> +; INTER-NEXT: [[STRIDED_VEC1:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> +; INTER-NEXT: [[TMP1:%.*]] = add <4 x i32> [[STRIDED_VEC]], [[STRIDED_VEC1]] +; INTER-NEXT: [[TMP2]] = add <4 x i32> [[VEC_PHI]], [[TMP1]] +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: [[TMP4:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP2]]) +; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP4]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP6:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0 +; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 1 +; INTER-NEXT: [[UNNAMEDTMP3:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8 +; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP2]], align 8 +; INTER-NEXT: [[UNNAMEDTMP5:%.*]] = add i32 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]] +; INTER-NEXT: [[UNNAMEDTMP6]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP5]] +; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP7:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: [[UNNAMEDTMP14:%.*]] = phi i32 [ [[UNNAMEDTMP6]], %[[FOR_BODY]] ], [ [[TMP4]], %[[MIDDLE_BLOCK]] ] +; INTER-NEXT: ret i32 [[UNNAMEDTMP14]] ; -define i32 @interleaved_access_forward(ptr %p, i64 %n) { entry: br label %for.body @@ -128,45 +367,140 @@ for.end: ret i32 %tmp14 } -; CHECK-LABEL: interleaved_access_reverse -; INTER-LABEL: interleaved_access_reverse -; ; Check that a consecutive-like pointer used by a reverse interleaved group is ; recognized as uniform and remains uniform after vectorization. When ; interleaved memory accesses aren't enabled, the pointer should not be ; recognized as uniform, and it should not be uniform after vectorization. + +define i32 @interleaved_access_reverse(ptr %p, i64 %n) { +; CHECK-LABEL: define i32 @interleaved_access_reverse( +; CHECK-SAME: ptr [[P:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[N]], -1 +; CHECK-NEXT: [[SMIN:%.*]] = call i64 @llvm.smin.i64(i64 [[TMP0]], i64 0) +; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[N]], [[SMIN]] +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]] +; CHECK-NEXT: [[TMP2:%.*]] = sub i64 [[N]], [[N_VEC]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP31:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i64 [[N]], [[INDEX]] +; CHECK-NEXT: [[TMP18:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], -1 +; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], -2 +; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[OFFSET_IDX]], -3 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[TMP18]], i32 0 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP4]], i32 0 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP18]], i32 1 +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP4]], i32 1 +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP5]], i32 1 +; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP16:%.*]] = load i32, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP17:%.*]] = load i32, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP19:%.*]] = insertelement <4 x i32> poison, i32 [[TMP14]], i32 0 +; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP15]], i32 1 +; CHECK-NEXT: [[TMP26:%.*]] = insertelement <4 x i32> [[TMP20]], i32 [[TMP16]], i32 2 +; CHECK-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP26]], i32 [[TMP17]], i32 3 +; CHECK-NEXT: [[TMP22:%.*]] = load i32, ptr [[TMP10]], align 8 +; CHECK-NEXT: [[TMP23:%.*]] = load i32, ptr [[TMP11]], align 8 +; CHECK-NEXT: [[TMP24:%.*]] = load i32, ptr [[TMP12]], align 8 +; CHECK-NEXT: [[TMP25:%.*]] = load i32, ptr [[TMP13]], align 8 +; CHECK-NEXT: [[TMP27:%.*]] = insertelement <4 x i32> poison, i32 [[TMP22]], i32 0 +; CHECK-NEXT: [[TMP28:%.*]] = insertelement <4 x i32> [[TMP27]], i32 [[TMP23]], i32 1 +; CHECK-NEXT: [[TMP34:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP24]], i32 2 +; CHECK-NEXT: [[TMP29:%.*]] = insertelement <4 x i32> [[TMP34]], i32 [[TMP25]], i32 3 +; CHECK-NEXT: [[TMP30:%.*]] = add <4 x i32> [[TMP21]], [[TMP29]] +; CHECK-NEXT: [[TMP31]] = add <4 x i32> [[VEC_PHI]], [[TMP30]] +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[TMP32:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP32]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[TMP33:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP31]]) +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[N]], %[[ENTRY]] ] +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP33]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP6:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0 +; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 1 +; CHECK-NEXT: [[UNNAMEDTMP3:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP2]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP5:%.*]] = add i32 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]] +; CHECK-NEXT: [[UNNAMEDTMP6]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP5]] +; CHECK-NEXT: [[I_NEXT]] = add nsw i64 [[I]], -1 +; CHECK-NEXT: [[COND:%.*]] = icmp sgt i64 [[I_NEXT]], 0 +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP9:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: [[UNNAMEDTMP14:%.*]] = phi i32 [ [[UNNAMEDTMP6]], %[[FOR_BODY]] ], [ [[TMP33]], %[[MIDDLE_BLOCK]] ] +; CHECK-NEXT: ret i32 [[UNNAMEDTMP14]] ; -; recognized as uniform, and it should not be uniform after vectorization. -; CHECK-NOT: LV: Found uniform instruction: %tmp1 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 0 -; CHECK-NOT: LV: Found uniform instruction: %tmp2 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 1 -; CHECK: vector.body -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK: [[OFFSET_IDX:%.+]] = sub i64 %n, %index -; CHECK: %[[I1:.+]] = add i64 [[OFFSET_IDX]], -1 -; CHECK: %[[I2:.+]] = add i64 [[OFFSET_IDX]], -2 -; CHECK: %[[I3:.+]] = add i64 [[OFFSET_IDX]], -3 -; CHECK: getelementptr inbounds %pair, ptr %p, i64 [[OFFSET_IDX]] -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I1]] -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I2]] -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I3]] -; CHECK: getelementptr inbounds %pair, ptr %p, i64 [[OFFSET_IDX]], i32 1 -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I1]], i32 1 -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I2]], i32 1 -; CHECK: getelementptr inbounds %pair, ptr %p, i64 %[[I3]], i32 1 -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body -; -; INTER: LV: Found uniform instruction: %tmp1 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 0 -; INTER: LV: Found uniform instruction: %tmp2 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 1 -; INTER: vector.body -; INTER: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; INTER: [[OFFSET_IDX:%.+]] = sub i64 %n, %index -; INTER-NOT: getelementptr -; INTER: %[[G0:.+]] = getelementptr inbounds %pair, ptr %p, i64 [[OFFSET_IDX]] -; INTER: getelementptr inbounds i8, ptr %[[G0]], i64 -24 -; INTER-NOT: getelementptr -; INTER: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define i32 @interleaved_access_reverse( +; INTER-SAME: ptr [[P:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[TMP0:%.*]] = add nsw i64 [[N]], -1 +; INTER-NEXT: [[SMIN:%.*]] = call i64 @llvm.smin.i64(i64 [[TMP0]], i64 0) +; INTER-NEXT: [[TMP1:%.*]] = sub i64 [[N]], [[SMIN]] +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4 +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]] +; INTER-NEXT: [[TMP2:%.*]] = sub i64 [[N]], [[N_VEC]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP10:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[OFFSET_IDX:%.*]] = sub i64 [[N]], [[INDEX]] +; INTER-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[OFFSET_IDX]], i32 0 +; INTER-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i64 0 +; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP5]], i64 -6 +; INTER-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, ptr [[TMP4]], align 8 +; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> +; INTER-NEXT: [[VEC_PHI:%.*]] = shufflevector <4 x i32> [[STRIDED_VEC]], <4 x i32> poison, <4 x i32> +; INTER-NEXT: [[STRIDED_VEC1:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> +; INTER-NEXT: [[TMP6:%.*]] = shufflevector <4 x i32> [[STRIDED_VEC1]], <4 x i32> poison, <4 x i32> +; INTER-NEXT: [[TMP7:%.*]] = add <4 x i32> [[VEC_PHI]], [[TMP6]] +; INTER-NEXT: [[TMP10]] = add <4 x i32> [[VEC_PHI1]], [[TMP7]] +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: [[TMP9:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP10]]) +; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]] +; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[N]], %[[ENTRY]] ] +; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP9]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP6:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0 +; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 1 +; INTER-NEXT: [[UNNAMEDTMP3:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8 +; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP2]], align 8 +; INTER-NEXT: [[UNNAMEDTMP5:%.*]] = add i32 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]] +; INTER-NEXT: [[UNNAMEDTMP6]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP5]] +; INTER-NEXT: [[I_NEXT]] = add nsw i64 [[I]], -1 +; INTER-NEXT: [[COND:%.*]] = icmp sgt i64 [[I_NEXT]], 0 +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP9:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: [[UNNAMEDTMP14:%.*]] = phi i32 [ [[UNNAMEDTMP6]], %[[FOR_BODY]] ], [ [[TMP9]], %[[MIDDLE_BLOCK]] ] +; INTER-NEXT: ret i32 [[UNNAMEDTMP14]] ; -define i32 @interleaved_access_reverse(ptr %p, i64 %n) { entry: br label %for.body @@ -188,29 +522,178 @@ for.end: ret i32 %tmp14 } -; INTER-LABEL: predicated_store -; ; Check that a consecutive-like pointer used by a forward interleaved group and ; scalarized store is not recognized as uniform and is not uniform after ; vectorization. The store is scalarized because it's in a predicated block. ; Even though the load in this example is vectorized and only uses the pointer ; as if it were uniform, the store is scalarized, making the pointer ; non-uniform. + +define void @predicated_store(ptr %p, i32 %x, i64 %n) { +; CHECK-LABEL: define void @predicated_store( +; CHECK-SAME: ptr [[P:%.*]], i32 [[X:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i64 0 +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE6:.*]] ] +; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1 +; CHECK-NEXT: [[TMP12:%.*]] = add i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP1]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP12]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP13:%.*]] = insertelement <4 x ptr> poison, ptr [[TMP0]], i32 0 +; CHECK-NEXT: [[TMP19:%.*]] = insertelement <4 x ptr> [[TMP13]], ptr [[TMP2]], i32 1 +; CHECK-NEXT: [[TMP25:%.*]] = insertelement <4 x ptr> [[TMP19]], ptr [[TMP4]], i32 2 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <4 x ptr> [[TMP25]], ptr [[TMP6]], i32 3 +; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[TMP0]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[TMP2]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = load i32, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> poison, i32 [[TMP7]], i32 0 +; CHECK-NEXT: [[TMP17:%.*]] = insertelement <4 x i32> [[TMP16]], i32 [[TMP8]], i32 1 +; CHECK-NEXT: [[TMP18:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP9]], i32 2 +; CHECK-NEXT: [[TMP14:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP10]], i32 3 +; CHECK-NEXT: [[TMP15:%.*]] = icmp eq <4 x i32> [[TMP14]], [[BROADCAST_SPLAT]] +; CHECK-NEXT: [[TMP21:%.*]] = extractelement <4 x i1> [[TMP15]], i32 0 +; CHECK-NEXT: br i1 [[TMP21]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]] +; CHECK: [[PRED_STORE_IF]]: +; CHECK-NEXT: store i32 [[TMP7]], ptr [[TMP0]], align 8 +; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE]] +; CHECK: [[PRED_STORE_CONTINUE]]: +; CHECK-NEXT: [[TMP22:%.*]] = extractelement <4 x i1> [[TMP15]], i32 1 +; CHECK-NEXT: br i1 [[TMP22]], label %[[PRED_STORE_IF1:.*]], label %[[PRED_STORE_CONTINUE2:.*]] +; CHECK: [[PRED_STORE_IF1]]: +; CHECK-NEXT: store i32 [[TMP8]], ptr [[TMP2]], align 8 +; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE2]] +; CHECK: [[PRED_STORE_CONTINUE2]]: +; CHECK-NEXT: [[TMP23:%.*]] = extractelement <4 x i1> [[TMP15]], i32 2 +; CHECK-NEXT: br i1 [[TMP23]], label %[[PRED_STORE_IF3:.*]], label %[[PRED_STORE_CONTINUE4:.*]] +; CHECK: [[PRED_STORE_IF3]]: +; CHECK-NEXT: store i32 [[TMP9]], ptr [[TMP4]], align 8 +; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE4]] +; CHECK: [[PRED_STORE_CONTINUE4]]: +; CHECK-NEXT: [[TMP24:%.*]] = extractelement <4 x i1> [[TMP15]], i32 3 +; CHECK-NEXT: br i1 [[TMP24]], label %[[PRED_STORE_IF5:.*]], label %[[PRED_STORE_CONTINUE6]] +; CHECK: [[PRED_STORE_IF5]]: +; CHECK-NEXT: store i32 [[TMP10]], ptr [[TMP6]], align 8 +; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE6]] +; CHECK: [[PRED_STORE_CONTINUE6]]: +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP20]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[IF_MERGE:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0 +; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = load i32, ptr [[UNNAMEDTMP0]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp eq i32 [[UNNAMEDTMP1]], [[X]] +; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[IF_THEN:.*]], label %[[IF_MERGE]] +; CHECK: [[IF_THEN]]: +; CHECK-NEXT: store i32 [[UNNAMEDTMP1]], ptr [[UNNAMEDTMP0]], align 8 +; CHECK-NEXT: br label %[[IF_MERGE]] +; CHECK: [[IF_MERGE]]: +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP11:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: ret void ; -; INTER-NOT: LV: Found uniform instruction: %tmp0 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 0 -; INTER: vector.body -; INTER: %index = phi i64 [ 0, %vector.ph ], [ %index.next, {{.*}} ] -; INTER: %[[G0:.+]] = getelementptr inbounds %pair, ptr %p, i64 %index -; INTER: %wide.vec = load <8 x i32>, ptr %[[G0]], align 8 -; INTER: %[[G1:.+]] = getelementptr %pair, ptr %p, i64 %index -; INTER: getelementptr i8, ptr %[[G1]], i64 8 -; INTER: %[[G2:.+]] = getelementptr %pair, ptr %p, i64 %index -; INTER: getelementptr i8, ptr %[[G2]], i64 16 -; INTER: %[[G3:.+]] = getelementptr %pair, ptr %p, i64 %index -; INTER: getelementptr i8, ptr %[[G3]], i64 24 -; INTER: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define void @predicated_store( +; INTER-SAME: ptr [[P:%.*]], i32 [[X:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[SMAX]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; INTER-NEXT: [[TMP0:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 +; INTER-NEXT: [[TMP1:%.*]] = select i1 [[TMP0]], i64 4, i64 [[N_MOD_VF]] +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[TMP1]] +; INTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i64 0 +; INTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE6:.*]] ] +; INTER-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[INDEX]], i32 0 +; INTER-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, ptr [[TMP2]], align 8 +; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> +; INTER-NEXT: [[TMP3:%.*]] = icmp eq <4 x i32> [[STRIDED_VEC]], [[BROADCAST_SPLAT]] +; INTER-NEXT: [[TMP4:%.*]] = extractelement <4 x i1> [[TMP3]], i32 0 +; INTER-NEXT: br i1 [[TMP4]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]] +; INTER: [[PRED_STORE_IF]]: +; INTER-NEXT: [[TMP7:%.*]] = add i64 [[INDEX]], 0 +; INTER-NEXT: [[TMP5:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP7]], i32 0 +; INTER-NEXT: [[TMP6:%.*]] = extractelement <4 x i32> [[STRIDED_VEC]], i32 0 +; INTER-NEXT: store i32 [[TMP6]], ptr [[TMP5]], align 8 +; INTER-NEXT: br label %[[PRED_STORE_CONTINUE]] +; INTER: [[PRED_STORE_CONTINUE]]: +; INTER-NEXT: [[TMP8:%.*]] = extractelement <4 x i1> [[TMP3]], i32 1 +; INTER-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF1:.*]], label %[[PRED_STORE_CONTINUE2:.*]] +; INTER: [[PRED_STORE_IF1]]: +; INTER-NEXT: [[TMP11:%.*]] = add i64 [[INDEX]], 1 +; INTER-NEXT: [[TMP9:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP11]], i32 0 +; INTER-NEXT: [[TMP10:%.*]] = extractelement <4 x i32> [[STRIDED_VEC]], i32 1 +; INTER-NEXT: store i32 [[TMP10]], ptr [[TMP9]], align 8 +; INTER-NEXT: br label %[[PRED_STORE_CONTINUE2]] +; INTER: [[PRED_STORE_CONTINUE2]]: +; INTER-NEXT: [[TMP12:%.*]] = extractelement <4 x i1> [[TMP3]], i32 2 +; INTER-NEXT: br i1 [[TMP12]], label %[[PRED_STORE_IF3:.*]], label %[[PRED_STORE_CONTINUE4:.*]] +; INTER: [[PRED_STORE_IF3]]: +; INTER-NEXT: [[TMP15:%.*]] = add i64 [[INDEX]], 2 +; INTER-NEXT: [[TMP13:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP15]], i32 0 +; INTER-NEXT: [[TMP14:%.*]] = extractelement <4 x i32> [[STRIDED_VEC]], i32 2 +; INTER-NEXT: store i32 [[TMP14]], ptr [[TMP13]], align 8 +; INTER-NEXT: br label %[[PRED_STORE_CONTINUE4]] +; INTER: [[PRED_STORE_CONTINUE4]]: +; INTER-NEXT: [[TMP16:%.*]] = extractelement <4 x i1> [[TMP3]], i32 3 +; INTER-NEXT: br i1 [[TMP16]], label %[[PRED_STORE_IF5:.*]], label %[[PRED_STORE_CONTINUE6]] +; INTER: [[PRED_STORE_IF5]]: +; INTER-NEXT: [[TMP20:%.*]] = add i64 [[INDEX]], 3 +; INTER-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP20]], i32 0 +; INTER-NEXT: [[TMP18:%.*]] = extractelement <4 x i32> [[STRIDED_VEC]], i32 3 +; INTER-NEXT: store i32 [[TMP18]], ptr [[TMP17]], align 8 +; INTER-NEXT: br label %[[PRED_STORE_CONTINUE6]] +; INTER: [[PRED_STORE_CONTINUE6]]: +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP19]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: br label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[IF_MERGE:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0 +; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = load i32, ptr [[UNNAMEDTMP0]], align 8 +; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = icmp eq i32 [[UNNAMEDTMP1]], [[X]] +; INTER-NEXT: br i1 [[UNNAMEDTMP2]], label %[[IF_THEN:.*]], label %[[IF_MERGE]] +; INTER: [[IF_THEN]]: +; INTER-NEXT: store i32 [[UNNAMEDTMP1]], ptr [[UNNAMEDTMP0]], align 8 +; INTER-NEXT: br label %[[IF_MERGE]] +; INTER: [[IF_MERGE]]: +; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END:.*]], !llvm.loop [[LOOP11:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: ret void ; -define void @predicated_store(ptr %p, i32 %x, i64 %n) { entry: br label %for.body @@ -234,25 +717,99 @@ for.end: ret void } -; CHECK-LABEL: irregular_type -; ; Check that a consecutive pointer used by a scalarized store is not recognized ; as uniform and is not uniform after vectorization. The store is scalarized ; because the stored type may required padding. + +define void @irregular_type(ptr %a, i64 %n) { +; CHECK-LABEL: define void @irregular_type( +; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[INDEX:%.*]] = add i64 [[INDEX1]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX1]], 1 +; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[INDEX1]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX1]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[INDEX]] +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP0]], align 16 +; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP2]], align 16 +; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP4]], align 16 +; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP6]], align 16 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX1]], 4 +; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[FOR_BODY]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = sitofp i32 1 to x86_fp80 +; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[I]] +; CHECK-NEXT: store x86_fp80 [[UNNAMEDTMP0]], ptr [[UNNAMEDTMP1]], align 16 +; CHECK-NEXT: [[I_NEXT]] = add i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: ret void ; -; CHECK-NOT: LV: Found uniform instruction: %tmp1 = getelementptr inbounds x86_fp80, ptr %a, i64 %i -; CHECK: vector.body -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK: getelementptr inbounds x86_fp80, ptr %a, i64 %index -; CHECK: %[[G1:.+]] = getelementptr x86_fp80, ptr %a, i64 %index -; CHECK: getelementptr i8, ptr %[[G1]], i64 16 -; CHECK: %[[G2:.+]] = getelementptr x86_fp80, ptr %a, i64 %index -; CHECK: getelementptr i8, ptr %[[G2]], i64 32 -; CHECK: %[[G3:.+]] = getelementptr x86_fp80, ptr %a, i64 %index -; CHECK: getelementptr i8, ptr %[[G3]], i64 48 -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define void @irregular_type( +; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[INDEX:%.*]] = add i64 [[INDEX1]], 0 +; INTER-NEXT: [[TMP1:%.*]] = add i64 [[INDEX1]], 1 +; INTER-NEXT: [[TMP5:%.*]] = add i64 [[INDEX1]], 2 +; INTER-NEXT: [[TMP3:%.*]] = add i64 [[INDEX1]], 3 +; INTER-NEXT: [[TMP0:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[INDEX]] +; INTER-NEXT: [[TMP2:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP1]] +; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP5]] +; INTER-NEXT: [[TMP6:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP3]] +; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP0]], align 16 +; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP2]], align 16 +; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP4]], align 16 +; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP6]], align 16 +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX1]], 4 +; INTER-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[FOR_BODY]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = sitofp i32 1 to x86_fp80 +; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[I]] +; INTER-NEXT: store x86_fp80 [[UNNAMEDTMP0]], ptr [[UNNAMEDTMP1]], align 16 +; INTER-NEXT: [[I_NEXT]] = add i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: ret void ; -define void @irregular_type(ptr %a, i64 %n) { entry: br label %for.body @@ -269,21 +826,90 @@ for.end: ret void } -; CHECK-LABEL: pointer_iv_uniform -; ; Check that a pointer induction variable is recognized as uniform and remains ; uniform after vectorization. + +define void @pointer_iv_uniform(ptr %a, i32 %x, i64 %n) { +; CHECK-LABEL: define void @pointer_iv_uniform( +; CHECK-SAME: ptr [[A:%.*]], i32 [[X:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 4 +; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]] +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i64 0 +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4 +; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]] +; CHECK-NEXT: store <4 x i32> [[BROADCAST_SPLAT]], ptr [[NEXT_GEP]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP03:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], %[[SCALAR_PH]] ] +; CHECK-NEXT: store i32 [[X]], ptr [[P]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP03]] = getelementptr inbounds i32, ptr [[P]], i32 1 +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP15:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: ret void ; -; CHECK: LV: Found uniform instruction: %p = phi ptr [ %tmp03, %for.body ], [ %a, %entry ] -; CHECK: vector.body -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK-NOT: getelementptr -; CHECK: [[SHL:%.+]] = shl i64 %index, 2 -; CHECK: %next.gep = getelementptr i8, ptr %a, i64 [[SHL]] -; CHECK-NOT: getelementptr -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define void @pointer_iv_uniform( +; INTER-SAME: ptr [[A:%.*]], i32 [[X:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; INTER-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 4 +; INTER-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]] +; INTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i64 0 +; INTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4 +; INTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]] +; INTER-NEXT: store <4 x i32> [[BROADCAST_SPLAT]], ptr [[NEXT_GEP]], align 8 +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: [[BC_RESUME_VAL1:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP03:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], %[[SCALAR_PH]] ] +; INTER-NEXT: store i32 [[X]], ptr [[P]], align 8 +; INTER-NEXT: [[UNNAMEDTMP03]] = getelementptr inbounds i32, ptr [[P]], i32 1 +; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP15:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: ret void ; -define void @pointer_iv_uniform(ptr %a, i32 %x, i64 %n) { entry: br label %for.body @@ -300,27 +926,214 @@ for.end: ret void } -; INTER-LABEL: pointer_iv_non_uniform_0 -; ; Check that a pointer induction variable with a non-uniform user is not ; recognized as uniform and is not uniform after vectorization. The pointer ; induction variable is used by getelementptr instructions that are non-uniform ; due to scalarization of the stores. + +define void @pointer_iv_non_uniform_0(ptr %a, i64 %n) { +; CHECK-LABEL: define void @pointer_iv_non_uniform_0( +; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 16 +; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX1:%.*]] = mul i64 [[INDEX]], 16 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OFFSET_IDX1]], 0 +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX1]], 16 +; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX1]], 32 +; CHECK-NEXT: [[TMP9:%.*]] = add i64 [[OFFSET_IDX1]], 48 +; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]] +; CHECK-NEXT: [[NEXT_GEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP9]] +; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[NEXT_GEP]], align 8 +; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[NEXT_GEP1]], align 8 +; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[NEXT_GEP2]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[NEXT_GEP3]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <4 x i32> poison, i32 [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <4 x i32> [[TMP10]], i32 [[TMP6]], i32 1 +; CHECK-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP11]], i32 [[TMP7]], i32 2 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <4 x i32> [[TMP21]], i32 [[TMP8]], i32 3 +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 1 +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 1 +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 1 +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 1 +; CHECK-NEXT: [[TMP17:%.*]] = load i32, ptr [[TMP13]], align 8 +; CHECK-NEXT: [[TMP18:%.*]] = load i32, ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP19:%.*]] = load i32, ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP20:%.*]] = load i32, ptr [[TMP16]], align 8 +; CHECK-NEXT: [[TMP22:%.*]] = insertelement <4 x i32> poison, i32 [[TMP17]], i32 0 +; CHECK-NEXT: [[TMP23:%.*]] = insertelement <4 x i32> [[TMP22]], i32 [[TMP18]], i32 1 +; CHECK-NEXT: [[TMP37:%.*]] = insertelement <4 x i32> [[TMP23]], i32 [[TMP19]], i32 2 +; CHECK-NEXT: [[TMP40:%.*]] = insertelement <4 x i32> [[TMP37]], i32 [[TMP20]], i32 3 +; CHECK-NEXT: [[TMP41:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 4 +; CHECK-NEXT: [[TMP42:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 4 +; CHECK-NEXT: [[TMP43:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 4 +; CHECK-NEXT: [[TMP44:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 4 +; CHECK-NEXT: [[TMP45:%.*]] = load i32, ptr [[TMP41]], align 8 +; CHECK-NEXT: [[TMP46:%.*]] = load i32, ptr [[TMP42]], align 8 +; CHECK-NEXT: [[TMP47:%.*]] = load i32, ptr [[TMP43]], align 8 +; CHECK-NEXT: [[TMP56:%.*]] = load i32, ptr [[TMP44]], align 8 +; CHECK-NEXT: [[TMP34:%.*]] = insertelement <4 x i32> poison, i32 [[TMP45]], i32 0 +; CHECK-NEXT: [[TMP35:%.*]] = insertelement <4 x i32> [[TMP34]], i32 [[TMP46]], i32 1 +; CHECK-NEXT: [[TMP36:%.*]] = insertelement <4 x i32> [[TMP35]], i32 [[TMP47]], i32 2 +; CHECK-NEXT: [[TMP24:%.*]] = insertelement <4 x i32> [[TMP36]], i32 [[TMP56]], i32 3 +; CHECK-NEXT: [[TMP25:%.*]] = sub <4 x i32> [[TMP24]], [[TMP12]] +; CHECK-NEXT: [[TMP39:%.*]] = sub <4 x i32> [[TMP40]], [[TMP40]] +; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 2 +; CHECK-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 2 +; CHECK-NEXT: [[TMP28:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 2 +; CHECK-NEXT: [[TMP29:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 2 +; CHECK-NEXT: [[TMP30:%.*]] = extractelement <4 x i32> [[TMP25]], i32 0 +; CHECK-NEXT: store i32 [[TMP30]], ptr [[TMP26]], align 8 +; CHECK-NEXT: [[TMP31:%.*]] = extractelement <4 x i32> [[TMP25]], i32 1 +; CHECK-NEXT: store i32 [[TMP31]], ptr [[TMP27]], align 8 +; CHECK-NEXT: [[TMP32:%.*]] = extractelement <4 x i32> [[TMP25]], i32 2 +; CHECK-NEXT: store i32 [[TMP32]], ptr [[TMP28]], align 8 +; CHECK-NEXT: [[TMP33:%.*]] = extractelement <4 x i32> [[TMP25]], i32 3 +; CHECK-NEXT: store i32 [[TMP33]], ptr [[TMP29]], align 8 +; CHECK-NEXT: [[TMP48:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 3 +; CHECK-NEXT: [[TMP49:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 3 +; CHECK-NEXT: [[TMP50:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 3 +; CHECK-NEXT: [[TMP51:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 3 +; CHECK-NEXT: [[TMP52:%.*]] = extractelement <4 x i32> [[TMP39]], i32 0 +; CHECK-NEXT: store i32 [[TMP52]], ptr [[TMP48]], align 8 +; CHECK-NEXT: [[TMP53:%.*]] = extractelement <4 x i32> [[TMP39]], i32 1 +; CHECK-NEXT: store i32 [[TMP53]], ptr [[TMP49]], align 8 +; CHECK-NEXT: [[TMP54:%.*]] = extractelement <4 x i32> [[TMP39]], i32 2 +; CHECK-NEXT: store i32 [[TMP54]], ptr [[TMP50]], align 8 +; CHECK-NEXT: [[TMP55:%.*]] = extractelement <4 x i32> [[TMP39]], i32 3 +; CHECK-NEXT: store i32 [[TMP55]], ptr [[TMP51]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[TMP38:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP38]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP00:%.*]] = load i32, ptr [[P]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP03:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 1 +; CHECK-NEXT: [[UNNAMEDTMP04:%.*]] = load i32, ptr [[UNNAMEDTMP03]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP3]] = getelementptr inbounds i32, ptr [[P]], i32 4 +; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP3]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP05:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 5 +; CHECK-NEXT: [[UNNAMEDTMP06:%.*]] = load i32, ptr [[UNNAMEDTMP05]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP07:%.*]] = sub i32 [[UNNAMEDTMP4]], [[UNNAMEDTMP00]] +; CHECK-NEXT: [[UNNAMEDTMP08:%.*]] = sub i32 [[UNNAMEDTMP04]], [[UNNAMEDTMP04]] +; CHECK-NEXT: [[UNNAMEDTMP09:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 2 +; CHECK-NEXT: store i32 [[UNNAMEDTMP07]], ptr [[UNNAMEDTMP09]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP10:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 3 +; CHECK-NEXT: store i32 [[UNNAMEDTMP08]], ptr [[UNNAMEDTMP10]], align 8 +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP17:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: ret void ; -; INTER-NOT: LV: Found uniform instruction: %p = phi ptr [ %tmp03, %for.body ], [ %a, %entry ] -; INTER: vector.body -; INTER: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; INTER: %[[I0:.+]] = shl i64 %index, 4 -; INTER-NEXT: %next.gep = getelementptr i8, ptr %a, i64 %[[I0]] -; INTER-NEXT: %[[G2:.+]] = getelementptr i8, ptr %a, i64 %[[I0]] -; INTER-NEXT: %[[G3:.+]] = getelementptr i8, ptr %a, i64 %[[I0]] -; INTER-NEXT: %[[G4:.+]] = getelementptr i8, ptr %a, i64 %[[I0]] -; INTER: = getelementptr i8, ptr %[[G2]], i64 24 -; INTER-NEXT: = getelementptr i8, ptr %[[G3]], i64 40 -; INTER-NEXT: = getelementptr i8, ptr %[[G4]], i64 56 -; INTER: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define void @pointer_iv_non_uniform_0( +; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[SMAX]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; INTER-NEXT: [[TMP0:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 +; INTER-NEXT: [[TMP1:%.*]] = select i1 [[TMP0]], i64 4, i64 [[N_MOD_VF]] +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[TMP1]] +; INTER-NEXT: [[TMP2:%.*]] = mul i64 [[N_VEC]], 16 +; INTER-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP2]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[OFFSET_IDX1:%.*]] = mul i64 [[INDEX]], 16 +; INTER-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OFFSET_IDX1]], 0 +; INTER-NEXT: [[TMP5:%.*]] = add i64 [[OFFSET_IDX1]], 16 +; INTER-NEXT: [[TMP6:%.*]] = add i64 [[OFFSET_IDX1]], 32 +; INTER-NEXT: [[TMP8:%.*]] = add i64 [[OFFSET_IDX1]], 48 +; INTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]] +; INTER-NEXT: [[NEXT_GEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP5]] +; INTER-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP6]] +; INTER-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP8]] +; INTER-NEXT: [[WIDE_VEC:%.*]] = load <16 x i32>, ptr [[NEXT_GEP]], align 8 +; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <16 x i32> [[WIDE_VEC]], <16 x i32> poison, <4 x i32> +; INTER-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <16 x i32> [[WIDE_VEC]], <16 x i32> poison, <4 x i32> +; INTER-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 4 +; INTER-NEXT: [[WIDE_VEC5:%.*]] = load <16 x i32>, ptr [[TMP7]], align 8 +; INTER-NEXT: [[STRIDED_VEC6:%.*]] = shufflevector <16 x i32> [[WIDE_VEC5]], <16 x i32> poison, <4 x i32> +; INTER-NEXT: [[STRIDED_VEC7:%.*]] = shufflevector <16 x i32> [[WIDE_VEC5]], <16 x i32> poison, <4 x i32> +; INTER-NEXT: [[TMP17:%.*]] = sub <4 x i32> [[STRIDED_VEC6]], [[STRIDED_VEC]] +; INTER-NEXT: [[TMP18:%.*]] = sub <4 x i32> [[STRIDED_VEC4]], [[STRIDED_VEC4]] +; INTER-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 2 +; INTER-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 2 +; INTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 2 +; INTER-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 2 +; INTER-NEXT: [[TMP13:%.*]] = extractelement <4 x i32> [[TMP17]], i32 0 +; INTER-NEXT: store i32 [[TMP13]], ptr [[TMP9]], align 8 +; INTER-NEXT: [[TMP14:%.*]] = extractelement <4 x i32> [[TMP17]], i32 1 +; INTER-NEXT: store i32 [[TMP14]], ptr [[TMP10]], align 8 +; INTER-NEXT: [[TMP15:%.*]] = extractelement <4 x i32> [[TMP17]], i32 2 +; INTER-NEXT: store i32 [[TMP15]], ptr [[TMP11]], align 8 +; INTER-NEXT: [[TMP16:%.*]] = extractelement <4 x i32> [[TMP17]], i32 3 +; INTER-NEXT: store i32 [[TMP16]], ptr [[TMP12]], align 8 +; INTER-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 3 +; INTER-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 3 +; INTER-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 3 +; INTER-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 3 +; INTER-NEXT: [[TMP23:%.*]] = extractelement <4 x i32> [[TMP18]], i32 0 +; INTER-NEXT: store i32 [[TMP23]], ptr [[TMP19]], align 8 +; INTER-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[TMP18]], i32 1 +; INTER-NEXT: store i32 [[TMP24]], ptr [[TMP20]], align 8 +; INTER-NEXT: [[TMP25:%.*]] = extractelement <4 x i32> [[TMP18]], i32 2 +; INTER-NEXT: store i32 [[TMP25]], ptr [[TMP27]], align 8 +; INTER-NEXT: [[TMP26:%.*]] = extractelement <4 x i32> [[TMP18]], i32 3 +; INTER-NEXT: store i32 [[TMP26]], ptr [[TMP22]], align 8 +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP21]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: br label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: [[BC_RESUME_VAL8:%.*]] = phi ptr [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL8]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP00:%.*]] = load i32, ptr [[P]], align 8 +; INTER-NEXT: [[UNNAMEDTMP03:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 1 +; INTER-NEXT: [[UNNAMEDTMP04:%.*]] = load i32, ptr [[UNNAMEDTMP03]], align 8 +; INTER-NEXT: [[UNNAMEDTMP3]] = getelementptr inbounds i32, ptr [[P]], i32 4 +; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP3]], align 8 +; INTER-NEXT: [[UNNAMEDTMP05:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 5 +; INTER-NEXT: [[UNNAMEDTMP06:%.*]] = load i32, ptr [[UNNAMEDTMP05]], align 8 +; INTER-NEXT: [[UNNAMEDTMP07:%.*]] = sub i32 [[UNNAMEDTMP4]], [[UNNAMEDTMP00]] +; INTER-NEXT: [[UNNAMEDTMP08:%.*]] = sub i32 [[UNNAMEDTMP04]], [[UNNAMEDTMP04]] +; INTER-NEXT: [[UNNAMEDTMP09:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 2 +; INTER-NEXT: store i32 [[UNNAMEDTMP07]], ptr [[UNNAMEDTMP09]], align 8 +; INTER-NEXT: [[UNNAMEDTMP10:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 3 +; INTER-NEXT: store i32 [[UNNAMEDTMP08]], ptr [[UNNAMEDTMP10]], align 8 +; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END:.*]], !llvm.loop [[LOOP17:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: ret void ; -define void @pointer_iv_non_uniform_0(ptr %a, i64 %n) { entry: br label %for.body @@ -348,26 +1161,109 @@ for.end: ret void } -; CHECK-LABEL: pointer_iv_non_uniform_1 -; ; Check that a pointer induction variable with a non-uniform user is not ; recognized as uniform and is not uniform after vectorization. The pointer ; induction variable is used by a store that will be scalarized. + +define void @pointer_iv_non_uniform_1(ptr %a, i64 %n) { +; CHECK-LABEL: define void @pointer_iv_non_uniform_1( +; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 16 +; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX1:%.*]] = mul i64 [[INDEX]], 16 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OFFSET_IDX1]], 0 +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX1]], 16 +; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX1]], 32 +; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[OFFSET_IDX1]], 48 +; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]] +; CHECK-NEXT: [[NEXT_GEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP]], align 16 +; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP1]], align 16 +; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP2]], align 16 +; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP3]], align 16 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP1:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = sitofp i32 1 to x86_fp80 +; CHECK-NEXT: store x86_fp80 [[UNNAMEDTMP0]], ptr [[P]], align 16 +; CHECK-NEXT: [[UNNAMEDTMP1]] = getelementptr inbounds x86_fp80, ptr [[P]], i32 1 +; CHECK-NEXT: [[I_NEXT]] = add i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP19:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: ret void ; -; CHECK-NOT: LV: Found uniform instruction: %p = phi ptr [%tmp1, %for.body], [%a, %entry] -; CHECK: vector.body -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK: [[SHL1:%.+]] = shl i64 %index, 4 -; CHECK: %next.gep = getelementptr i8, ptr %a, i64 [[SHL1]] -; CHECK: %[[G1:.+]] = getelementptr i8, ptr %a, i64 [[SHL1]] -; CHECK: = getelementptr i8, ptr %[[G1]], i64 16 -; CHECK: %[[G2:.+]] = getelementptr i8, ptr %a, i64 [[SHL1]] -; CHECK: = getelementptr i8, ptr %[[G2]], i64 32 -; CHECK: %[[G3:.+]] = getelementptr i8, ptr %a, i64 [[SHL1]] -; CHECK: = getelementptr i8, ptr %[[G3]], i64 48 -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define void @pointer_iv_non_uniform_1( +; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4 +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]] +; INTER-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 16 +; INTER-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[OFFSET_IDX1:%.*]] = mul i64 [[INDEX]], 16 +; INTER-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OFFSET_IDX1]], 0 +; INTER-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX1]], 16 +; INTER-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX1]], 32 +; INTER-NEXT: [[TMP6:%.*]] = add i64 [[OFFSET_IDX1]], 48 +; INTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]] +; INTER-NEXT: [[NEXT_GEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP3]] +; INTER-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP4]] +; INTER-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP6]] +; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP]], align 16 +; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP1]], align 16 +; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP2]], align 16 +; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP3]], align 16 +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]] +; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP1:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = sitofp i32 1 to x86_fp80 +; INTER-NEXT: store x86_fp80 [[UNNAMEDTMP0]], ptr [[P]], align 16 +; INTER-NEXT: [[UNNAMEDTMP1]] = getelementptr inbounds x86_fp80, ptr [[P]], i32 1 +; INTER-NEXT: [[I_NEXT]] = add i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP19:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: ret void ; -define void @pointer_iv_non_uniform_1(ptr %a, i64 %n) { entry: br label %for.body @@ -385,26 +1281,144 @@ for.end: ret void } -; CHECK-LABEL: pointer_iv_mixed -; ; Check multiple pointer induction variables where only one is recognized as ; uniform and remains uniform after vectorization. The other pointer induction ; variable is not recognized as uniform and is not uniform after vectorization ; because it is stored to memory. + +define i32 @pointer_iv_mixed(ptr %a, ptr %b, i64 %n) { +; CHECK-LABEL: define i32 @pointer_iv_mixed( +; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX2]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]] +; CHECK: [[VECTOR_MEMCHECK]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[TMP0:%.*]] = shl i64 [[SMAX]], 3 +; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = shl i64 [[SMAX]], 2 +; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP1]] +; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[B]], [[SCEVGEP1]] +; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]] +; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] +; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX2]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX2]], [[N_MOD_VF]] +; CHECK-NEXT: [[TMP2:%.*]] = mul i64 [[N_VEC]], 4 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[N_VEC]], 8 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP4]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[POINTER_PHI:%.*]] = phi ptr [ [[A]], %[[VECTOR_PH]] ], [ [[PTR_IND:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP7:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[VECTOR_GEP:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <4 x i64> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 8 +; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[OFFSET_IDX]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x ptr> [[VECTOR_GEP]], i32 0 +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP6]], align 8, !alias.scope [[META20:![0-9]+]] +; CHECK-NEXT: [[TMP7]] = add <4 x i32> [[WIDE_LOAD]], [[VEC_PHI]] +; CHECK-NEXT: store <4 x ptr> [[VECTOR_GEP]], ptr [[NEXT_GEP]], align 8, !alias.scope [[META23:![0-9]+]], !noalias [[META20]] +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 16 +; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[TMP9:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP7]]) +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX2]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ] +; CHECK-NEXT: [[BC_RESUME_VAL3:%.*]] = phi ptr [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ], [ [[A]], %[[VECTOR_MEMCHECK]] ] +; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP5]], %[[MIDDLE_BLOCK]] ], [ [[B]], %[[ENTRY]] ], [ [[B]], %[[VECTOR_MEMCHECK]] ] +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP9]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL3]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[Q:%.*]] = phi ptr [ [[UNNAMEDTMP4:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP2:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = load i32, ptr [[P]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP2]] = add i32 [[UNNAMEDTMP1]], [[UNNAMEDTMP0]] +; CHECK-NEXT: store ptr [[P]], ptr [[Q]], align 8 +; CHECK-NEXT: [[UNNAMEDTMP3]] = getelementptr inbounds i32, ptr [[P]], i32 1 +; CHECK-NEXT: [[UNNAMEDTMP4]] = getelementptr inbounds ptr, ptr [[Q]], i32 1 +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP26:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: [[UNNAMEDTMP5:%.*]] = phi i32 [ [[UNNAMEDTMP2]], %[[FOR_BODY]] ], [ [[TMP9]], %[[MIDDLE_BLOCK]] ] +; CHECK-NEXT: ret i32 [[UNNAMEDTMP5]] ; -; CHECK-NOT: LV: Found uniform instruction: %p = phi ptr [ %tmp3, %for.body ], [ %a, %entry ] -; CHECK: LV: Found uniform instruction: %q = phi ptr [ %tmp4, %for.body ], [ %b, %entry ] -; CHECK: vector.body -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK: %pointer.phi = phi ptr [ %a, %vector.ph ], [ %ptr.ind, %vector.body ] -; CHECK: %[[PTRVEC:.+]] = getelementptr i8, ptr %pointer.phi, <4 x i64> -; CHECK: [[SHL:%.+]] = shl i64 %index, 3 -; CHECK: %next.gep = getelementptr i8, ptr %b, i64 [[SHL]] -; CHECK: store <4 x ptr> %[[PTRVEC]], ptr %next.gep, align 8 -; CHECK: %ptr.ind = getelementptr i8, ptr %pointer.phi, i64 16 -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-LABEL: define i32 @pointer_iv_mixed( +; INTER-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX2]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]] +; INTER: [[VECTOR_MEMCHECK]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[TMP0:%.*]] = shl i64 [[SMAX]], 3 +; INTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP0]] +; INTER-NEXT: [[TMP1:%.*]] = shl i64 [[SMAX]], 2 +; INTER-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP1]] +; INTER-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[B]], [[SCEVGEP1]] +; INTER-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]] +; INTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] +; INTER-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX2]], 4 +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX2]], [[N_MOD_VF]] +; INTER-NEXT: [[TMP2:%.*]] = mul i64 [[N_VEC]], 4 +; INTER-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP2]] +; INTER-NEXT: [[TMP4:%.*]] = mul i64 [[N_VEC]], 8 +; INTER-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP4]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[POINTER_PHI:%.*]] = phi ptr [ [[A]], %[[VECTOR_PH]] ], [ [[PTR_IND:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP7:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[VECTOR_GEP:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <4 x i64> +; INTER-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 8 +; INTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[OFFSET_IDX]] +; INTER-NEXT: [[TMP6:%.*]] = extractelement <4 x ptr> [[VECTOR_GEP]], i32 0 +; INTER-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP6]], align 8, !alias.scope [[META20:![0-9]+]] +; INTER-NEXT: [[TMP7]] = add <4 x i32> [[WIDE_LOAD]], [[VEC_PHI]] +; INTER-NEXT: store <4 x ptr> [[VECTOR_GEP]], ptr [[NEXT_GEP]], align 8, !alias.scope [[META23:![0-9]+]], !noalias [[META20]] +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 16 +; INTER-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: [[TMP9:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP7]]) +; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX2]], [[N_VEC]] +; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ] +; INTER-NEXT: [[BC_RESUME_VAL3:%.*]] = phi ptr [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ], [ [[A]], %[[VECTOR_MEMCHECK]] ] +; INTER-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP5]], %[[MIDDLE_BLOCK]] ], [ [[B]], %[[ENTRY]] ], [ [[B]], %[[VECTOR_MEMCHECK]] ] +; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP9]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL3]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[Q:%.*]] = phi ptr [ [[UNNAMEDTMP4:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP2:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ] +; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = load i32, ptr [[P]], align 8 +; INTER-NEXT: [[UNNAMEDTMP2]] = add i32 [[UNNAMEDTMP1]], [[UNNAMEDTMP0]] +; INTER-NEXT: store ptr [[P]], ptr [[Q]], align 8 +; INTER-NEXT: [[UNNAMEDTMP3]] = getelementptr inbounds i32, ptr [[P]], i32 1 +; INTER-NEXT: [[UNNAMEDTMP4]] = getelementptr inbounds ptr, ptr [[Q]], i32 1 +; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP26:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: [[UNNAMEDTMP5:%.*]] = phi i32 [ [[UNNAMEDTMP2]], %[[FOR_BODY]] ], [ [[TMP9]], %[[MIDDLE_BLOCK]] ] +; INTER-NEXT: ret i32 [[UNNAMEDTMP5]] ; -define i32 @pointer_iv_mixed(ptr %a, ptr %b, i64 %n) { entry: br label %for.body @@ -427,33 +1441,143 @@ for.end: ret i32 %tmp5 } -; INTER-LABEL: pointer_operand_geps_with_different_indexed_types -; ; Check that a pointer operand having a user other than a memory access is ; recognized as uniform after vectorization. In this test case, %tmp0 is a ; GEP that is used by a load and a getelementptr instruction (%tmp2). Once ; %tmp2 is marked uniform, %tmp0 should be marked uniform as well. + +define void @pointer_operand_geps_with_different_indexed_types(ptr %A, ptr %B, i64 %n) { +; CHECK-LABEL: define void @pointer_operand_geps_with_different_indexed_types( +; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[N:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX2]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]] +; CHECK: [[VECTOR_MEMCHECK]]: +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[SMAX]] +; CHECK-NEXT: [[TMP6:%.*]] = shl i64 [[SMAX]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[TMP6]], -4 +; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]] +; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[B]], [[TMP1]] +; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]] +; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] +; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX2]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX2]], [[N_MOD_VF]] +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[INDEX:%.*]] = add i64 [[INDEX1]], 0 +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX1]], 1 +; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[INDEX1]], 2 +; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[INDEX1]], 3 +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDEX]] +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i8, ptr [[TMP2]], i64 3 +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[TMP7]], i64 3 +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i8, ptr [[TMP8]], i64 3 +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i8, ptr [[TMP9]], i64 3 +; CHECK-NEXT: [[TMP14:%.*]] = load i8, ptr [[TMP10]], align 1, !alias.scope [[META27:![0-9]+]] +; CHECK-NEXT: [[TMP15:%.*]] = load i8, ptr [[TMP11]], align 1, !alias.scope [[META27]] +; CHECK-NEXT: [[TMP16:%.*]] = load i8, ptr [[TMP12]], align 1, !alias.scope [[META27]] +; CHECK-NEXT: [[TMP17:%.*]] = load i8, ptr [[TMP13]], align 1, !alias.scope [[META27]] +; CHECK-NEXT: [[TMP18:%.*]] = insertelement <4 x i8> poison, i8 [[TMP14]], i32 0 +; CHECK-NEXT: [[TMP19:%.*]] = insertelement <4 x i8> [[TMP18]], i8 [[TMP15]], i32 1 +; CHECK-NEXT: [[TMP21:%.*]] = insertelement <4 x i8> [[TMP19]], i8 [[TMP16]], i32 2 +; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i8> [[TMP21]], i8 [[TMP17]], i32 3 +; CHECK-NEXT: [[TMP22:%.*]] = load i8, ptr [[TMP2]], align 1, !alias.scope [[META27]] +; CHECK-NEXT: [[TMP23:%.*]] = load i8, ptr [[TMP7]], align 1, !alias.scope [[META27]] +; CHECK-NEXT: [[TMP24:%.*]] = load i8, ptr [[TMP8]], align 1, !alias.scope [[META27]] +; CHECK-NEXT: [[TMP25:%.*]] = load i8, ptr [[TMP9]], align 1, !alias.scope [[META27]] +; CHECK-NEXT: [[TMP26:%.*]] = insertelement <4 x i8> poison, i8 [[TMP22]], i32 0 +; CHECK-NEXT: [[TMP27:%.*]] = insertelement <4 x i8> [[TMP26]], i8 [[TMP23]], i32 1 +; CHECK-NEXT: [[TMP32:%.*]] = insertelement <4 x i8> [[TMP27]], i8 [[TMP24]], i32 2 +; CHECK-NEXT: [[TMP28:%.*]] = insertelement <4 x i8> [[TMP32]], i8 [[TMP25]], i32 3 +; CHECK-NEXT: [[TMP29:%.*]] = xor <4 x i8> [[TMP20]], [[TMP28]] +; CHECK-NEXT: [[TMP30:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[INDEX]] +; CHECK-NEXT: store <4 x i8> [[TMP29]], ptr [[TMP30]], align 1, !alias.scope [[META30:![0-9]+]], !noalias [[META27]] +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX1]], 4 +; CHECK-NEXT: [[TMP31:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP31]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX2]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ] +; CHECK-NEXT: br label %[[FOR_BODY:.*]] +; CHECK: [[FOR_BODY]]: +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[FOR_BODY]] ] +; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[I]] +; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds i8, ptr [[UNNAMEDTMP0]], i64 3 +; CHECK-NEXT: [[UNNAMEDTMP3:%.*]] = load i8, ptr [[UNNAMEDTMP2]], align 1 +; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = load i8, ptr [[UNNAMEDTMP0]], align 1 +; CHECK-NEXT: [[UNNAMEDTMP5:%.*]] = xor i8 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]] +; CHECK-NEXT: [[UNNAMEDTMP6:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[I]] +; CHECK-NEXT: store i8 [[UNNAMEDTMP5]], ptr [[UNNAMEDTMP6]], align 1 +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP33:![0-9]+]] +; CHECK: [[FOR_END]]: +; CHECK-NEXT: ret void ; -; INTER: LV: Found uniform instruction: %cond = icmp slt i64 %i.next, %n -; INTER-NEXT: LV: Found uniform instruction: %tmp2 = getelementptr inbounds i8, ptr %tmp0, i64 3 -; INTER-NEXT: LV: Found uniform instruction: %tmp6 = getelementptr inbounds i8, ptr %B, i64 %i -; INTER-NEXT: LV: Found uniform instruction: %tmp0 = getelementptr inbounds i64, ptr %A, i64 %i -; INTER-NEXT: LV: Found uniform instruction: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] -; INTER-NEXT: LV: Found uniform instruction: %i.next = add nuw nsw i64 %i, 1 -; INTER: define void @pointer_operand_geps_with_different_indexed_types( -; INTER: vector.body: -; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] -; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr %A, i64 [[INDEX]] -; INTER-NEXT: [[WIDE_VEC:%.*]] = load <32 x i8>, ptr [[TMP4]], align 1 +; INTER-LABEL: define void @pointer_operand_geps_with_different_indexed_types( +; INTER-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[N:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[SMAX2]], 4 +; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]] +; INTER: [[VECTOR_MEMCHECK]]: +; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1) +; INTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[SMAX]] +; INTER-NEXT: [[TMP8:%.*]] = shl i64 [[SMAX]], 3 +; INTER-NEXT: [[TMP0:%.*]] = add i64 [[TMP8]], -4 +; INTER-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]] +; INTER-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[B]], [[TMP1]] +; INTER-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]] +; INTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] +; INTER-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX2]], 4 +; INTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[N_MOD_VF]], 0 +; INTER-NEXT: [[TMP3:%.*]] = select i1 [[TMP2]], i64 4, i64 [[N_MOD_VF]] +; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX2]], [[TMP3]] +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDEX]] +; INTER-NEXT: [[WIDE_VEC:%.*]] = load <32 x i8>, ptr [[TMP4]], align 1, !alias.scope [[META27:![0-9]+]] ; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <32 x i8> [[WIDE_VEC]], <32 x i8> poison, <4 x i32> ; INTER-NEXT: [[STRIDED_VEC3:%.*]] = shufflevector <32 x i8> [[WIDE_VEC]], <32 x i8> poison, <4 x i32> ; INTER-NEXT: [[TMP5:%.*]] = xor <4 x i8> [[STRIDED_VEC3]], [[STRIDED_VEC]] -; INTER-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, ptr %B, i64 [[INDEX]] -; INTER-NEXT: store <4 x i8> [[TMP5]], ptr [[TMP6]], align 1 +; INTER-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[INDEX]] +; INTER-NEXT: store <4 x i8> [[TMP5]], ptr [[TMP6]], align 1, !alias.scope [[META30:![0-9]+]], !noalias [[META27]] ; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 -; INTER: br i1 {{.*}}, label %middle.block, label %vector.body +; INTER-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; INTER-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: br label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ] +; INTER-NEXT: br label %[[FOR_BODY:.*]] +; INTER: [[FOR_BODY]]: +; INTER-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[FOR_BODY]] ] +; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[I]] +; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds i8, ptr [[UNNAMEDTMP0]], i64 3 +; INTER-NEXT: [[UNNAMEDTMP3:%.*]] = load i8, ptr [[UNNAMEDTMP2]], align 1 +; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = load i8, ptr [[UNNAMEDTMP0]], align 1 +; INTER-NEXT: [[UNNAMEDTMP5:%.*]] = xor i8 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]] +; INTER-NEXT: [[UNNAMEDTMP6:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[I]] +; INTER-NEXT: store i8 [[UNNAMEDTMP5]], ptr [[UNNAMEDTMP6]], align 1 +; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1 +; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]] +; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END:.*]], !llvm.loop [[LOOP33:![0-9]+]] +; INTER: [[FOR_END]]: +; INTER-NEXT: ret void ; -define void @pointer_operand_geps_with_different_indexed_types(ptr %A, ptr %B, i64 %n) { entry: br label %for.body @@ -474,19 +1598,69 @@ for.end: ret void } -; CHECK-LABEL: pr61396_pointer_used_as_both_stored_value_and_pointer_operand_by_store -; CHECK-NOT: LV: Found uniform instruction: %cur.ptr = getelementptr inbounds ptr, ptr %ary, i64 %iv - -; CHECK: define void @pr61396_pointer_used_as_both_stored_value_and_pointer_operand_by_store( -; CHECK: vector.body: -; CHECK-NEXT: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] -; CHECK-NEXT: [[VEC_IND:%.+]] = phi <4 x i64> [ , %vector.ph ], [ %vec.ind.next, %vector.body ] -; CHECK-NEXT: [[GEP:%.+]] = getelementptr inbounds ptr, ptr %ary, <4 x i64> [[VEC_IND]] -; CHECK-NEXT: [[EXT:%.+]] = extractelement <4 x ptr> [[GEP]], i64 0 -; CHECK-NEXT: store <4 x ptr> [[GEP]], ptr [[EXT]], align 8 -; - define void @pr61396_pointer_used_as_both_stored_value_and_pointer_operand_by_store(ptr %ary) { +; CHECK-LABEL: define void @pr61396_pointer_used_as_both_stored_value_and_pointer_operand_by_store( +; CHECK-SAME: ptr [[ARY:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*]]: +; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; CHECK: [[VECTOR_PH]]: +; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] +; CHECK: [[VECTOR_BODY]]: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i64> [ , %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds ptr, ptr [[ARY]], <4 x i64> [[VEC_IND]] +; CHECK-NEXT: [[TMP1:%.*]] = extractelement <4 x ptr> [[TMP0]], i32 0 +; CHECK-NEXT: store <4 x ptr> [[TMP0]], ptr [[TMP1]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], splat (i64 4) +; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240 +; CHECK-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: br label %[[SCALAR_PH]] +; CHECK: [[SCALAR_PH]]: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 10240, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; CHECK-NEXT: br label %[[LOOP:.*]] +; CHECK: [[LOOP]]: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ] +; CHECK-NEXT: [[CUR_PTR:%.*]] = getelementptr inbounds ptr, ptr [[ARY]], i64 [[IV]] +; CHECK-NEXT: store ptr [[CUR_PTR]], ptr [[CUR_PTR]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 +; CHECK-NEXT: [[DONE:%.*]] = icmp eq i64 [[IV]], 10240 +; CHECK-NEXT: br i1 [[DONE]], label %[[EXIT:.*]], label %[[LOOP]], !llvm.loop [[LOOP35:![0-9]+]] +; CHECK: [[EXIT]]: +; CHECK-NEXT: ret void +; +; INTER-LABEL: define void @pr61396_pointer_used_as_both_stored_value_and_pointer_operand_by_store( +; INTER-SAME: ptr [[ARY:%.*]]) { +; INTER-NEXT: [[ENTRY:.*]]: +; INTER-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] +; INTER: [[VECTOR_PH]]: +; INTER-NEXT: br label %[[VECTOR_BODY:.*]] +; INTER: [[VECTOR_BODY]]: +; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i64> [ , %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] +; INTER-NEXT: [[TMP0:%.*]] = getelementptr inbounds ptr, ptr [[ARY]], <4 x i64> [[VEC_IND]] +; INTER-NEXT: [[TMP1:%.*]] = extractelement <4 x ptr> [[TMP0]], i32 0 +; INTER-NEXT: store <4 x ptr> [[TMP0]], ptr [[TMP1]], align 8 +; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; INTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], splat (i64 4) +; INTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240 +; INTER-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]] +; INTER: [[MIDDLE_BLOCK]]: +; INTER-NEXT: br label %[[SCALAR_PH]] +; INTER: [[SCALAR_PH]]: +; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 10240, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] +; INTER-NEXT: br label %[[LOOP:.*]] +; INTER: [[LOOP]]: +; INTER-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ] +; INTER-NEXT: [[CUR_PTR:%.*]] = getelementptr inbounds ptr, ptr [[ARY]], i64 [[IV]] +; INTER-NEXT: store ptr [[CUR_PTR]], ptr [[CUR_PTR]], align 8 +; INTER-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 +; INTER-NEXT: [[DONE:%.*]] = icmp eq i64 [[IV]], 10240 +; INTER-NEXT: br i1 [[DONE]], label %[[EXIT:.*]], label %[[LOOP]], !llvm.loop [[LOOP35:![0-9]+]] +; INTER: [[EXIT]]: +; INTER-NEXT: ret void +; entry: br label %loop