diff --git a/llvm/lib/Transforms/Vectorize/VPlanUtils.h b/llvm/lib/Transforms/Vectorize/VPlanUtils.h index 38073380eb54c..6f74a99f3738e 100644 --- a/llvm/lib/Transforms/Vectorize/VPlanUtils.h +++ b/llvm/lib/Transforms/Vectorize/VPlanUtils.h @@ -90,7 +90,10 @@ inline VPIRFlags getFlagsFromIndDesc(const InductionDescriptor &ID) { ID.getInductionBinOp())) return VPIRFlags::WrapFlagsTy(OBO->hasNoUnsignedWrap(), OBO->hasNoSignedWrap()); - return {}; + + assert(ID.getKind() == InductionDescriptor::IK_IntInduction && + "Expected int induction"); + return VPIRFlags::WrapFlagsTy(false, false); } } // namespace vputils diff --git a/llvm/test/Transforms/LoopVectorize/induction-wrapflags.ll b/llvm/test/Transforms/LoopVectorize/induction-wrapflags.ll new file mode 100644 index 0000000000000..f16a1b258c3e5 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/induction-wrapflags.ll @@ -0,0 +1,70 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --filter-out-after "^scalar.ph" --version 6 +; RUN: opt -p loop-vectorize -force-vector-width=4 -S %s | FileCheck %s + +define void @induction_with_multiple_instructions_in_chain(ptr %p, ptr noalias %q) { +; CHECK-LABEL: define void @induction_with_multiple_instructions_in_chain( +; CHECK-SAME: ptr [[P:%.*]], ptr noalias [[Q:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: br 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 i32> [ , %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND1:%.*]] = phi <4 x i32> [ , %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT2:%.*]], %[[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = sext <4 x i32> [[VEC_IND]] to <4 x i64> +; CHECK-NEXT: [[TMP1:%.*]] = extractelement <4 x i64> [[TMP0]], i32 0 +; CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x i64> [[TMP0]], i32 1 +; CHECK-NEXT: [[TMP3:%.*]] = extractelement <4 x i64> [[TMP0]], i32 2 +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x i64> [[TMP0]], i32 3 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP4]] +; CHECK-NEXT: store i8 0, ptr [[TMP5]], align 1 +; CHECK-NEXT: store i8 0, ptr [[TMP6]], align 1 +; CHECK-NEXT: store i8 0, ptr [[TMP7]], align 1 +; CHECK-NEXT: store i8 0, ptr [[TMP8]], align 1 +; CHECK-NEXT: [[TMP9:%.*]] = sext <4 x i32> [[VEC_IND1]] to <4 x i64> +; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x i64> [[TMP9]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = extractelement <4 x i64> [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i64> [[TMP9]], i32 2 +; CHECK-NEXT: [[TMP13:%.*]] = extractelement <4 x i64> [[TMP9]], i32 3 +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[Q]], i64 [[TMP10]] +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr i8, ptr [[Q]], i64 [[TMP11]] +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[Q]], i64 [[TMP12]] +; CHECK-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[Q]], i64 [[TMP13]] +; CHECK-NEXT: store i8 0, ptr [[TMP14]], align 1 +; CHECK-NEXT: store i8 0, ptr [[TMP15]], align 1 +; CHECK-NEXT: store i8 0, ptr [[TMP16]], align 1 +; CHECK-NEXT: store i8 0, ptr [[TMP17]], align 1 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], splat (i32 12) +; CHECK-NEXT: [[VEC_IND_NEXT2]] = add <4 x i32> [[VEC_IND1]], splat (i32 12) +; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024 +; CHECK-NEXT: br i1 [[TMP18]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] +; CHECK: [[MIDDLE_BLOCK]]: +; CHECK-NEXT: br label %[[SCALAR_PH:.*]] +; CHECK: [[SCALAR_PH]]: +; +entry: + br label %loop + +loop: + %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] + %ind.1 = phi i32 [ 3, %entry ], [ %ind.1.next, %loop ] + %ind.2 = phi i32 [ 0, %entry ], [ %ind.1, %loop ] + %sext.1 = sext i32 %ind.1 to i64 + %gep.1 = getelementptr i8, ptr %p, i64 %sext.1 + store i8 0, ptr %gep.1 + %sext.2 = sext i32 %ind.2 to i64 + %gep.2 = getelementptr i8, ptr %q, i64 %sext.2 + store i8 0, ptr %gep.2 + %iv.next = add i64 %iv, 1 + %ind.1.next = add i32 %ind.1, 3 + %ec = icmp eq i64 %iv, 1024 + br i1 %ec, label %exit, label %loop + +exit: + ret void +}