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basictest.ll
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basictest.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -sroa -S | FileCheck %s
; RUN: opt < %s -passes=sroa -S | FileCheck %s
target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64"
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
define i32 @test0() {
; CHECK-LABEL: @test0(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[V2_INT:%.*]] = bitcast float 0.000000e+00 to i32
; CHECK-NEXT: [[SUM1:%.*]] = add i32 0, [[V2_INT]]
; CHECK-NEXT: ret i32 [[SUM1]]
;
entry:
%a1 = alloca i32
%a2 = alloca float
%a1.i8 = bitcast i32* %a1 to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* %a1.i8)
store i32 0, i32* %a1
%v1 = load i32, i32* %a1
call void @llvm.lifetime.end.p0i8(i64 4, i8* %a1.i8)
%a2.i8 = bitcast float* %a2 to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* %a2.i8)
store float 0.0, float* %a2
%v2 = load float , float * %a2
%v2.int = bitcast float %v2 to i32
%sum1 = add i32 %v1, %v2.int
call void @llvm.lifetime.end.p0i8(i64 4, i8* %a2.i8)
ret i32 %sum1
}
define i32 @test1() {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 0
;
entry:
%X = alloca { i32, float }
%Y = getelementptr { i32, float }, { i32, float }* %X, i64 0, i32 0
store i32 0, i32* %Y
%Z = load i32, i32* %Y
ret i32 %Z
}
define i64 @test2(i64 %X) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[L2:%.*]]
; CHECK: L2:
; CHECK-NEXT: ret i64 [[X:%.*]]
;
entry:
%A = alloca [8 x i8]
%B = bitcast [8 x i8]* %A to i64*
store i64 %X, i64* %B
br label %L2
L2:
%Z = load i64, i64* %B
ret i64 %Z
}
define i64 @test2_addrspacecast(i64 %X) {
; CHECK-LABEL: @test2_addrspacecast(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[L2:%.*]]
; CHECK: L2:
; CHECK-NEXT: ret i64 [[X:%.*]]
;
entry:
%A = alloca [8 x i8]
%B = addrspacecast [8 x i8]* %A to i64 addrspace(1)*
store i64 %X, i64 addrspace(1)* %B
br label %L2
L2:
%Z = load i64, i64 addrspace(1)* %B
ret i64 %Z
}
define i64 @test2_addrspacecast_gep(i64 %X, i16 %idx) {
; CHECK-LABEL: @test2_addrspacecast_gep(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[L2:%.*]]
; CHECK: L2:
; CHECK-NEXT: ret i64 [[X:%.*]]
;
entry:
%A = alloca [256 x i8]
%B = addrspacecast [256 x i8]* %A to i64 addrspace(1)*
%gepA = getelementptr [256 x i8], [256 x i8]* %A, i16 0, i16 32
%gepB = getelementptr i64, i64 addrspace(1)* %B, i16 4
store i64 %X, i64 addrspace(1)* %gepB, align 1
br label %L2
L2:
%gepA.bc = bitcast i8* %gepA to i64*
%Z = load i64, i64* %gepA.bc, align 1
ret i64 %Z
}
; Avoid crashing when load/storing at at different offsets.
define i64 @test2_addrspacecast_gep_offset(i64 %X) {
; CHECK-LABEL: @test2_addrspacecast_gep_offset(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_0:%.*]] = alloca [10 x i8], align 1
; CHECK-NEXT: [[A_SROA_0_2_GEPB_SROA_IDX:%.*]] = getelementptr inbounds [10 x i8], [10 x i8]* [[A_SROA_0]], i16 0, i16 2
; CHECK-NEXT: [[A_SROA_0_2_GEPB_SROA_CAST:%.*]] = addrspacecast i8* [[A_SROA_0_2_GEPB_SROA_IDX]] to i64 addrspace(1)*
; CHECK-NEXT: store i64 [[X:%.*]], i64 addrspace(1)* [[A_SROA_0_2_GEPB_SROA_CAST]], align 1
; CHECK-NEXT: br label [[L2:%.*]]
; CHECK: L2:
; CHECK-NEXT: [[A_SROA_0_0_GEPA_BC_SROA_CAST:%.*]] = bitcast [10 x i8]* [[A_SROA_0]] to i64*
; CHECK-NEXT: [[A_SROA_0_0_A_SROA_0_30_Z:%.*]] = load i64, i64* [[A_SROA_0_0_GEPA_BC_SROA_CAST]], align 1
; CHECK-NEXT: ret i64 [[A_SROA_0_0_A_SROA_0_30_Z]]
;
entry:
%A = alloca [256 x i8]
%B = addrspacecast [256 x i8]* %A to i64 addrspace(1)*
%gepA = getelementptr [256 x i8], [256 x i8]* %A, i16 0, i16 30
%gepB = getelementptr i64, i64 addrspace(1)* %B, i16 4
store i64 %X, i64 addrspace(1)* %gepB, align 1
br label %L2
L2:
%gepA.bc = bitcast i8* %gepA to i64*
%Z = load i64, i64* %gepA.bc, align 1
ret i64 %Z
}
define void @test3(i8* %dst, i8* align 8 %src) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_0:%.*]] = alloca [42 x i8], align 1
; CHECK-NEXT: [[A_SROA_3:%.*]] = alloca [99 x i8], align 1
; CHECK-NEXT: [[A_SROA_34:%.*]] = alloca [16 x i8], align 1
; CHECK-NEXT: [[A_SROA_15:%.*]] = alloca [42 x i8], align 1
; CHECK-NEXT: [[A_SROA_16:%.*]] = alloca [7 x i8], align 1
; CHECK-NEXT: [[A_SROA_239:%.*]] = alloca [7 x i8], align 1
; CHECK-NEXT: [[A_SROA_31:%.*]] = alloca [85 x i8], align 1
; CHECK-NEXT: [[A_SROA_0_0_B_SROA_IDX:%.*]] = getelementptr inbounds [42 x i8], [42 x i8]* [[A_SROA_0]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_0_0_B_SROA_IDX]], i8* align 8 [[SRC:%.*]], i32 42, i1 false), !tbaa [[TBAA0:![0-9]+]]
; CHECK-NEXT: [[A_SROA_2_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 42
; CHECK-NEXT: [[A_SROA_2_0_COPYLOAD:%.*]] = load i8, i8* [[A_SROA_2_0_SRC_SROA_RAW_IDX]], align 2, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_3_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 43
; CHECK-NEXT: [[A_SROA_3_0_B_SROA_IDX:%.*]] = getelementptr inbounds [99 x i8], [99 x i8]* [[A_SROA_3]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_3_0_B_SROA_IDX]], i8* align 1 [[A_SROA_3_0_SRC_SROA_RAW_IDX]], i32 99, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_34_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 142
; CHECK-NEXT: [[A_SROA_34_0_B_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_34_0_B_SROA_IDX]], i8* align 2 [[A_SROA_34_0_SRC_SROA_RAW_IDX]], i32 16, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_15_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 158
; CHECK-NEXT: [[A_SROA_15_0_B_SROA_IDX:%.*]] = getelementptr inbounds [42 x i8], [42 x i8]* [[A_SROA_15]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_15_0_B_SROA_IDX]], i8* align 2 [[A_SROA_15_0_SRC_SROA_RAW_IDX]], i32 42, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_16_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 200
; CHECK-NEXT: [[A_SROA_16_0_B_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_16]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_16_0_B_SROA_IDX]], i8* align 8 [[A_SROA_16_0_SRC_SROA_RAW_IDX]], i32 7, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_23_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 207
; CHECK-NEXT: [[A_SROA_23_0_COPYLOAD:%.*]] = load i8, i8* [[A_SROA_23_0_SRC_SROA_RAW_IDX]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_239_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 208
; CHECK-NEXT: [[A_SROA_239_0_B_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_239_0_B_SROA_IDX]], i8* align 8 [[A_SROA_239_0_SRC_SROA_RAW_IDX]], i32 7, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_31_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 215
; CHECK-NEXT: [[A_SROA_31_0_B_SROA_IDX:%.*]] = getelementptr inbounds [85 x i8], [85 x i8]* [[A_SROA_31]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_31_0_B_SROA_IDX]], i8* align 1 [[A_SROA_31_0_SRC_SROA_RAW_IDX]], i32 85, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_34_0_OVERLAP_1_I8_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 0
; CHECK-NEXT: store i8 1, i8* [[A_SROA_34_0_OVERLAP_1_I8_SROA_IDX]], align 1, !tbaa [[TBAA3:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_0_OVERLAP_1_I16_SROA_CAST:%.*]] = bitcast [16 x i8]* [[A_SROA_34]] to i16*
; CHECK-NEXT: store i16 1, i16* [[A_SROA_34_0_OVERLAP_1_I16_SROA_CAST]], align 1, !tbaa [[TBAA5:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_0_OVERLAP_1_I32_SROA_CAST:%.*]] = bitcast [16 x i8]* [[A_SROA_34]] to i32*
; CHECK-NEXT: store i32 1, i32* [[A_SROA_34_0_OVERLAP_1_I32_SROA_CAST]], align 1, !tbaa [[TBAA7:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_0_OVERLAP_1_I64_SROA_CAST:%.*]] = bitcast [16 x i8]* [[A_SROA_34]] to i64*
; CHECK-NEXT: store i64 1, i64* [[A_SROA_34_0_OVERLAP_1_I64_SROA_CAST]], align 1, !tbaa [[TBAA9:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_1_OVERLAP_2_I64_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 1
; CHECK-NEXT: [[A_SROA_34_1_OVERLAP_2_I64_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_1_OVERLAP_2_I64_SROA_IDX]] to i64*
; CHECK-NEXT: store i64 2, i64* [[A_SROA_34_1_OVERLAP_2_I64_SROA_CAST]], align 1, !tbaa [[TBAA11:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_2_OVERLAP_3_I64_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 2
; CHECK-NEXT: [[A_SROA_34_2_OVERLAP_3_I64_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_2_OVERLAP_3_I64_SROA_IDX]] to i64*
; CHECK-NEXT: store i64 3, i64* [[A_SROA_34_2_OVERLAP_3_I64_SROA_CAST]], align 1, !tbaa [[TBAA13:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_3_OVERLAP_4_I64_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 3
; CHECK-NEXT: [[A_SROA_34_3_OVERLAP_4_I64_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_3_OVERLAP_4_I64_SROA_IDX]] to i64*
; CHECK-NEXT: store i64 4, i64* [[A_SROA_34_3_OVERLAP_4_I64_SROA_CAST]], align 1, !tbaa [[TBAA15:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_4_OVERLAP_5_I64_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 4
; CHECK-NEXT: [[A_SROA_34_4_OVERLAP_5_I64_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_4_OVERLAP_5_I64_SROA_IDX]] to i64*
; CHECK-NEXT: store i64 5, i64* [[A_SROA_34_4_OVERLAP_5_I64_SROA_CAST]], align 1, !tbaa [[TBAA17:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_5_OVERLAP_6_I64_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 5
; CHECK-NEXT: [[A_SROA_34_5_OVERLAP_6_I64_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_5_OVERLAP_6_I64_SROA_IDX]] to i64*
; CHECK-NEXT: store i64 6, i64* [[A_SROA_34_5_OVERLAP_6_I64_SROA_CAST]], align 1, !tbaa [[TBAA19:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_6_OVERLAP_7_I64_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 6
; CHECK-NEXT: [[A_SROA_34_6_OVERLAP_7_I64_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_6_OVERLAP_7_I64_SROA_IDX]] to i64*
; CHECK-NEXT: store i64 7, i64* [[A_SROA_34_6_OVERLAP_7_I64_SROA_CAST]], align 1, !tbaa [[TBAA21:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_7_OVERLAP_8_I64_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 7
; CHECK-NEXT: [[A_SROA_34_7_OVERLAP_8_I64_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_7_OVERLAP_8_I64_SROA_IDX]] to i64*
; CHECK-NEXT: store i64 8, i64* [[A_SROA_34_7_OVERLAP_8_I64_SROA_CAST]], align 1, !tbaa [[TBAA23:![0-9]+]]
; CHECK-NEXT: [[A_SROA_34_8_OVERLAP_9_I64_SROA_IDX:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 8
; CHECK-NEXT: [[A_SROA_34_8_OVERLAP_9_I64_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_8_OVERLAP_9_I64_SROA_IDX]] to i64*
; CHECK-NEXT: store i64 9, i64* [[A_SROA_34_8_OVERLAP_9_I64_SROA_CAST]], align 1, !tbaa [[TBAA25:![0-9]+]]
; CHECK-NEXT: [[A_SROA_16_0_OVERLAP2_1_0_I8_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_16]], i64 0, i64 0
; CHECK-NEXT: store i8 1, i8* [[A_SROA_16_0_OVERLAP2_1_0_I8_SROA_IDX]], align 1, !tbaa [[TBAA27:![0-9]+]]
; CHECK-NEXT: [[A_SROA_16_0_OVERLAP2_1_0_I16_SROA_CAST:%.*]] = bitcast [7 x i8]* [[A_SROA_16]] to i16*
; CHECK-NEXT: store i16 1, i16* [[A_SROA_16_0_OVERLAP2_1_0_I16_SROA_CAST]], align 1, !tbaa [[TBAA29:![0-9]+]]
; CHECK-NEXT: [[A_SROA_16_0_OVERLAP2_1_0_I32_SROA_CAST:%.*]] = bitcast [7 x i8]* [[A_SROA_16]] to i32*
; CHECK-NEXT: store i32 1, i32* [[A_SROA_16_0_OVERLAP2_1_0_I32_SROA_CAST]], align 1, !tbaa [[TBAA31:![0-9]+]]
; CHECK-NEXT: [[A_SROA_16_1_OVERLAP2_1_1_I32_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_16]], i64 0, i64 1
; CHECK-NEXT: [[A_SROA_16_1_OVERLAP2_1_1_I32_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_16_1_OVERLAP2_1_1_I32_SROA_IDX]] to i32*
; CHECK-NEXT: store i32 2, i32* [[A_SROA_16_1_OVERLAP2_1_1_I32_SROA_CAST]], align 1, !tbaa [[TBAA33:![0-9]+]]
; CHECK-NEXT: [[A_SROA_16_2_OVERLAP2_1_2_I32_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_16]], i64 0, i64 2
; CHECK-NEXT: [[A_SROA_16_2_OVERLAP2_1_2_I32_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_16_2_OVERLAP2_1_2_I32_SROA_IDX]] to i32*
; CHECK-NEXT: store i32 3, i32* [[A_SROA_16_2_OVERLAP2_1_2_I32_SROA_CAST]], align 1, !tbaa [[TBAA35:![0-9]+]]
; CHECK-NEXT: [[A_SROA_16_3_OVERLAP2_1_3_I32_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_16]], i64 0, i64 3
; CHECK-NEXT: [[A_SROA_16_3_OVERLAP2_1_3_I32_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_16_3_OVERLAP2_1_3_I32_SROA_IDX]] to i32*
; CHECK-NEXT: store i32 4, i32* [[A_SROA_16_3_OVERLAP2_1_3_I32_SROA_CAST]], align 1, !tbaa [[TBAA37:![0-9]+]]
; CHECK-NEXT: [[A_SROA_239_0_OVERLAP2_2_0_I32_SROA_CAST:%.*]] = bitcast [7 x i8]* [[A_SROA_239]] to i32*
; CHECK-NEXT: store i32 1, i32* [[A_SROA_239_0_OVERLAP2_2_0_I32_SROA_CAST]], align 1, !tbaa [[TBAA39:![0-9]+]]
; CHECK-NEXT: [[A_SROA_239_1_OVERLAP2_2_1_I8_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 1
; CHECK-NEXT: store i8 1, i8* [[A_SROA_239_1_OVERLAP2_2_1_I8_SROA_IDX]], align 1, !tbaa [[TBAA41:![0-9]+]]
; CHECK-NEXT: [[A_SROA_239_1_OVERLAP2_2_1_I16_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 1
; CHECK-NEXT: [[A_SROA_239_1_OVERLAP2_2_1_I16_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_239_1_OVERLAP2_2_1_I16_SROA_IDX]] to i16*
; CHECK-NEXT: store i16 1, i16* [[A_SROA_239_1_OVERLAP2_2_1_I16_SROA_CAST]], align 1, !tbaa [[TBAA43:![0-9]+]]
; CHECK-NEXT: [[A_SROA_239_1_OVERLAP2_2_1_I32_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 1
; CHECK-NEXT: [[A_SROA_239_1_OVERLAP2_2_1_I32_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_239_1_OVERLAP2_2_1_I32_SROA_IDX]] to i32*
; CHECK-NEXT: store i32 1, i32* [[A_SROA_239_1_OVERLAP2_2_1_I32_SROA_CAST]], align 1, !tbaa [[TBAA45:![0-9]+]]
; CHECK-NEXT: [[A_SROA_239_2_OVERLAP2_2_2_I32_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 2
; CHECK-NEXT: [[A_SROA_239_2_OVERLAP2_2_2_I32_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_239_2_OVERLAP2_2_2_I32_SROA_IDX]] to i32*
; CHECK-NEXT: store i32 3, i32* [[A_SROA_239_2_OVERLAP2_2_2_I32_SROA_CAST]], align 1, !tbaa [[TBAA47:![0-9]+]]
; CHECK-NEXT: [[A_SROA_239_3_OVERLAP2_2_3_I32_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 3
; CHECK-NEXT: [[A_SROA_239_3_OVERLAP2_2_3_I32_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_239_3_OVERLAP2_2_3_I32_SROA_IDX]] to i32*
; CHECK-NEXT: store i32 4, i32* [[A_SROA_239_3_OVERLAP2_2_3_I32_SROA_CAST]], align 1, !tbaa [[TBAA49:![0-9]+]]
; CHECK-NEXT: [[A_SROA_15_197_OVERLAP2_PREFIX_SROA_IDX:%.*]] = getelementptr inbounds [42 x i8], [42 x i8]* [[A_SROA_15]], i64 0, i64 39
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_15_197_OVERLAP2_PREFIX_SROA_IDX]], i8* align 1 [[SRC]], i32 3, i1 false), !tbaa [[TBAA51:![0-9]+]]
; CHECK-NEXT: [[A_SROA_16_197_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 3
; CHECK-NEXT: [[A_SROA_16_197_OVERLAP2_PREFIX_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_16]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_16_197_OVERLAP2_PREFIX_SROA_IDX]], i8* align 1 [[A_SROA_16_197_SRC_SROA_RAW_IDX]], i32 5, i1 false), !tbaa [[TBAA51]]
; CHECK-NEXT: [[A_SROA_16_2_OVERLAP2_1_2_I8_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_16]], i64 0, i64 2
; CHECK-NEXT: call void @llvm.memset.p0i8.i32(i8* align 1 [[A_SROA_16_2_OVERLAP2_1_2_I8_SROA_IDX]], i8 42, i32 5, i1 false), !tbaa [[TBAA53:![0-9]+]]
; CHECK-NEXT: [[A_SROA_239_0_OVERLAP2_1_2_I8_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memset.p0i8.i32(i8* align 1 [[A_SROA_239_0_OVERLAP2_1_2_I8_SROA_IDX]], i8 42, i32 2, i1 false), !tbaa [[TBAA53]]
; CHECK-NEXT: [[A_SROA_239_209_OVERLAP2_2_1_I8_SROA_IDX11:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 1
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_239_209_OVERLAP2_2_1_I8_SROA_IDX11]], i8* align 1 [[SRC]], i32 5, i1 false), !tbaa [[TBAA55:![0-9]+]]
; CHECK-NEXT: [[A_SROA_239_210_OVERLAP2_2_2_I8_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 2
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_239_210_OVERLAP2_2_2_I8_SROA_IDX]], i8* align 1 [[SRC]], i32 5, i1 false), !tbaa [[TBAA57:![0-9]+]]
; CHECK-NEXT: [[A_SROA_31_210_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 5
; CHECK-NEXT: [[A_SROA_31_210_OVERLAP2_2_2_I8_SROA_IDX:%.*]] = getelementptr inbounds [85 x i8], [85 x i8]* [[A_SROA_31]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_31_210_OVERLAP2_2_2_I8_SROA_IDX]], i8* align 1 [[A_SROA_31_210_SRC_SROA_RAW_IDX]], i32 3, i1 false), !tbaa [[TBAA57]]
; CHECK-NEXT: [[A_SROA_0_0_B_SROA_IDX1:%.*]] = getelementptr inbounds [42 x i8], [42 x i8]* [[A_SROA_0]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[DST:%.*]], i8* align 1 [[A_SROA_0_0_B_SROA_IDX1]], i32 42, i1 false), !tbaa [[TBAA59:![0-9]+]]
; CHECK-NEXT: [[A_SROA_2_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 42
; CHECK-NEXT: store i8 0, i8* [[A_SROA_2_0_DST_SROA_RAW_IDX]], align 1, !tbaa [[TBAA59]]
; CHECK-NEXT: [[A_SROA_3_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 43
; CHECK-NEXT: [[A_SROA_3_0_B_SROA_IDX3:%.*]] = getelementptr inbounds [99 x i8], [99 x i8]* [[A_SROA_3]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_3_0_DST_SROA_RAW_IDX]], i8* align 1 [[A_SROA_3_0_B_SROA_IDX3]], i32 99, i1 false), !tbaa [[TBAA59]]
; CHECK-NEXT: [[A_SROA_34_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 142
; CHECK-NEXT: [[A_SROA_34_0_B_SROA_IDX5:%.*]] = getelementptr inbounds [16 x i8], [16 x i8]* [[A_SROA_34]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_34_0_DST_SROA_RAW_IDX]], i8* align 1 [[A_SROA_34_0_B_SROA_IDX5]], i32 16, i1 false), !tbaa [[TBAA59]]
; CHECK-NEXT: [[A_SROA_15_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 158
; CHECK-NEXT: [[A_SROA_15_0_B_SROA_IDX6:%.*]] = getelementptr inbounds [42 x i8], [42 x i8]* [[A_SROA_15]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_15_0_DST_SROA_RAW_IDX]], i8* align 1 [[A_SROA_15_0_B_SROA_IDX6]], i32 42, i1 false), !tbaa [[TBAA59]]
; CHECK-NEXT: [[A_SROA_16_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 200
; CHECK-NEXT: [[A_SROA_16_0_B_SROA_IDX7:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_16]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_16_0_DST_SROA_RAW_IDX]], i8* align 1 [[A_SROA_16_0_B_SROA_IDX7]], i32 7, i1 false), !tbaa [[TBAA59]]
; CHECK-NEXT: [[A_SROA_23_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 207
; CHECK-NEXT: store i8 42, i8* [[A_SROA_23_0_DST_SROA_RAW_IDX]], align 1, !tbaa [[TBAA59]]
; CHECK-NEXT: [[A_SROA_239_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 208
; CHECK-NEXT: [[A_SROA_239_0_B_SROA_IDX10:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_239]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_239_0_DST_SROA_RAW_IDX]], i8* align 1 [[A_SROA_239_0_B_SROA_IDX10]], i32 7, i1 false), !tbaa [[TBAA59]]
; CHECK-NEXT: [[A_SROA_31_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 215
; CHECK-NEXT: [[A_SROA_31_0_B_SROA_IDX12:%.*]] = getelementptr inbounds [85 x i8], [85 x i8]* [[A_SROA_31]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_31_0_DST_SROA_RAW_IDX]], i8* align 1 [[A_SROA_31_0_B_SROA_IDX12]], i32 85, i1 false), !tbaa [[TBAA59]]
; CHECK-NEXT: ret void
;
entry:
%a = alloca [300 x i8]
%b = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 0
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %b, i8* align 8 %src, i32 300, i1 false), !tbaa !0
; Clobber a single element of the array, this should be promotable, and be deleted.
%c = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 42
store i8 0, i8* %c
; Make a sequence of overlapping stores to the array. These overlap both in
; forward strides and in shrinking accesses.
%overlap.1.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 142
%overlap.2.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 143
%overlap.3.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 144
%overlap.4.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 145
%overlap.5.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 146
%overlap.6.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 147
%overlap.7.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 148
%overlap.8.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 149
%overlap.9.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 150
%overlap.1.i16 = bitcast i8* %overlap.1.i8 to i16*
%overlap.1.i32 = bitcast i8* %overlap.1.i8 to i32*
%overlap.1.i64 = bitcast i8* %overlap.1.i8 to i64*
%overlap.2.i64 = bitcast i8* %overlap.2.i8 to i64*
%overlap.3.i64 = bitcast i8* %overlap.3.i8 to i64*
%overlap.4.i64 = bitcast i8* %overlap.4.i8 to i64*
%overlap.5.i64 = bitcast i8* %overlap.5.i8 to i64*
%overlap.6.i64 = bitcast i8* %overlap.6.i8 to i64*
%overlap.7.i64 = bitcast i8* %overlap.7.i8 to i64*
%overlap.8.i64 = bitcast i8* %overlap.8.i8 to i64*
%overlap.9.i64 = bitcast i8* %overlap.9.i8 to i64*
store i8 1, i8* %overlap.1.i8, !tbaa !3
store i16 1, i16* %overlap.1.i16, !tbaa !5
store i32 1, i32* %overlap.1.i32, !tbaa !7
store i64 1, i64* %overlap.1.i64, !tbaa !9
store i64 2, i64* %overlap.2.i64, !tbaa !11
store i64 3, i64* %overlap.3.i64, !tbaa !13
store i64 4, i64* %overlap.4.i64, !tbaa !15
store i64 5, i64* %overlap.5.i64, !tbaa !17
store i64 6, i64* %overlap.6.i64, !tbaa !19
store i64 7, i64* %overlap.7.i64, !tbaa !21
store i64 8, i64* %overlap.8.i64, !tbaa !23
store i64 9, i64* %overlap.9.i64, !tbaa !25
; Make two sequences of overlapping stores with more gaps and irregularities.
%overlap2.1.0.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 200
%overlap2.1.1.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 201
%overlap2.1.2.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 202
%overlap2.1.3.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 203
%overlap2.2.0.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 208
%overlap2.2.1.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 209
%overlap2.2.2.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 210
%overlap2.2.3.i8 = getelementptr [300 x i8], [300 x i8]* %a, i64 0, i64 211
%overlap2.1.0.i16 = bitcast i8* %overlap2.1.0.i8 to i16*
%overlap2.1.0.i32 = bitcast i8* %overlap2.1.0.i8 to i32*
%overlap2.1.1.i32 = bitcast i8* %overlap2.1.1.i8 to i32*
%overlap2.1.2.i32 = bitcast i8* %overlap2.1.2.i8 to i32*
%overlap2.1.3.i32 = bitcast i8* %overlap2.1.3.i8 to i32*
store i8 1, i8* %overlap2.1.0.i8, !tbaa !27
store i16 1, i16* %overlap2.1.0.i16, !tbaa !29
store i32 1, i32* %overlap2.1.0.i32, !tbaa !31
store i32 2, i32* %overlap2.1.1.i32, !tbaa !33
store i32 3, i32* %overlap2.1.2.i32, !tbaa !35
store i32 4, i32* %overlap2.1.3.i32, !tbaa !37
%overlap2.2.0.i32 = bitcast i8* %overlap2.2.0.i8 to i32*
%overlap2.2.1.i16 = bitcast i8* %overlap2.2.1.i8 to i16*
%overlap2.2.1.i32 = bitcast i8* %overlap2.2.1.i8 to i32*
%overlap2.2.2.i32 = bitcast i8* %overlap2.2.2.i8 to i32*
%overlap2.2.3.i32 = bitcast i8* %overlap2.2.3.i8 to i32*
store i32 1, i32* %overlap2.2.0.i32, !tbaa !39
store i8 1, i8* %overlap2.2.1.i8, !tbaa !41
store i16 1, i16* %overlap2.2.1.i16, !tbaa !43
store i32 1, i32* %overlap2.2.1.i32, !tbaa !45
store i32 3, i32* %overlap2.2.2.i32, !tbaa !47
store i32 4, i32* %overlap2.2.3.i32, !tbaa !49
%overlap2.prefix = getelementptr i8, i8* %overlap2.1.1.i8, i64 -4
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %overlap2.prefix, i8* %src, i32 8, i1 false), !tbaa !51
; Bridge between the overlapping areas
call void @llvm.memset.p0i8.i32(i8* %overlap2.1.2.i8, i8 42, i32 8, i1 false), !tbaa !53
; ...promoted i8 store...
; Entirely within the second overlap.
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %overlap2.2.1.i8, i8* %src, i32 5, i1 false), !tbaa !55
; Trailing past the second overlap.
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %overlap2.2.2.i8, i8* %src, i32 8, i1 false), !tbaa !57
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %b, i32 300, i1 false), !tbaa !59
ret void
}
define void @test4(i8* %dst, i8* %src) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_0:%.*]] = alloca [20 x i8], align 1
; CHECK-NEXT: [[A_SROA_2_SROA_4:%.*]] = alloca [7 x i8], align 1
; CHECK-NEXT: [[A_SROA_3:%.*]] = alloca [10 x i8], align 1
; CHECK-NEXT: [[A_SROA_34_SROA_5:%.*]] = alloca [7 x i8], align 1
; CHECK-NEXT: [[A_SROA_6_SROA_4:%.*]] = alloca [7 x i8], align 1
; CHECK-NEXT: [[A_SROA_7:%.*]] = alloca [40 x i8], align 1
; CHECK-NEXT: [[A_SROA_0_0_B_SROA_IDX:%.*]] = getelementptr inbounds [20 x i8], [20 x i8]* [[A_SROA_0]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_0_0_B_SROA_IDX]], i8* align 1 [[SRC:%.*]], i32 20, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_2_SROA_0_0_A_SROA_2_0_SRC_SROA_RAW_IDX_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 20
; CHECK-NEXT: [[A_SROA_2_SROA_0_0_A_SROA_2_0_SRC_SROA_RAW_IDX_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_2_SROA_0_0_A_SROA_2_0_SRC_SROA_RAW_IDX_SROA_IDX]] to i16*
; CHECK-NEXT: [[A_SROA_2_SROA_0_0_COPYLOAD:%.*]] = load i16, i16* [[A_SROA_2_SROA_0_0_A_SROA_2_0_SRC_SROA_RAW_IDX_SROA_CAST]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_2_SROA_3_0_A_SROA_2_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 22
; CHECK-NEXT: [[A_SROA_2_SROA_3_0_COPYLOAD:%.*]] = load i8, i8* [[A_SROA_2_SROA_3_0_A_SROA_2_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_2_SROA_4_0_A_SROA_2_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 23
; CHECK-NEXT: [[A_SROA_2_SROA_4_0_B_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_2_SROA_4]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_2_SROA_4_0_B_SROA_IDX]], i8* align 1 [[A_SROA_2_SROA_4_0_A_SROA_2_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX]], i32 7, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_3_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 30
; CHECK-NEXT: [[A_SROA_3_0_B_SROA_IDX:%.*]] = getelementptr inbounds [10 x i8], [10 x i8]* [[A_SROA_3]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_3_0_B_SROA_IDX]], i8* align 1 [[A_SROA_3_0_SRC_SROA_RAW_IDX]], i32 10, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_34_SROA_0_0_A_SROA_34_0_SRC_SROA_RAW_IDX_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 40
; CHECK-NEXT: [[A_SROA_34_SROA_0_0_A_SROA_34_0_SRC_SROA_RAW_IDX_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_SROA_0_0_A_SROA_34_0_SRC_SROA_RAW_IDX_SROA_IDX]] to i16*
; CHECK-NEXT: [[A_SROA_34_SROA_0_0_COPYLOAD:%.*]] = load i16, i16* [[A_SROA_34_SROA_0_0_A_SROA_34_0_SRC_SROA_RAW_IDX_SROA_CAST]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_34_SROA_4_0_A_SROA_34_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 42
; CHECK-NEXT: [[A_SROA_34_SROA_4_0_COPYLOAD:%.*]] = load i8, i8* [[A_SROA_34_SROA_4_0_A_SROA_34_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_34_SROA_5_0_A_SROA_34_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 43
; CHECK-NEXT: [[A_SROA_34_SROA_5_0_B_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_34_SROA_5]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_34_SROA_5_0_B_SROA_IDX]], i8* align 1 [[A_SROA_34_SROA_5_0_A_SROA_34_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX]], i32 7, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_6_SROA_0_0_A_SROA_6_0_SRC_SROA_RAW_IDX_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 50
; CHECK-NEXT: [[A_SROA_6_SROA_0_0_A_SROA_6_0_SRC_SROA_RAW_IDX_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_6_SROA_0_0_A_SROA_6_0_SRC_SROA_RAW_IDX_SROA_IDX]] to i16*
; CHECK-NEXT: [[A_SROA_6_SROA_0_0_COPYLOAD:%.*]] = load i16, i16* [[A_SROA_6_SROA_0_0_A_SROA_6_0_SRC_SROA_RAW_IDX_SROA_CAST]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_6_SROA_3_0_A_SROA_6_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 52
; CHECK-NEXT: [[A_SROA_6_SROA_3_0_COPYLOAD:%.*]] = load i8, i8* [[A_SROA_6_SROA_3_0_A_SROA_6_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_6_SROA_4_0_A_SROA_6_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 53
; CHECK-NEXT: [[A_SROA_6_SROA_4_0_B_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_6_SROA_4]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_6_SROA_4_0_B_SROA_IDX]], i8* align 1 [[A_SROA_6_SROA_4_0_A_SROA_6_0_SRC_SROA_RAW_IDX_SROA_RAW_IDX]], i32 7, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_7_0_SRC_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 60
; CHECK-NEXT: [[A_SROA_7_0_B_SROA_IDX:%.*]] = getelementptr inbounds [40 x i8], [40 x i8]* [[A_SROA_7]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_7_0_B_SROA_IDX]], i8* align 1 [[A_SROA_7_0_SRC_SROA_RAW_IDX]], i32 40, i1 false), !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_2_SROA_4_3_A_SROA_34_SROA_5_0_A_DST_1_SROA_IDX_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_34_SROA_5]], i64 0, i64 0
; CHECK-NEXT: [[A_SROA_2_SROA_4_3_A_SRC_1_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_2_SROA_4]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_2_SROA_4_3_A_SROA_34_SROA_5_0_A_DST_1_SROA_IDX_SROA_IDX]], i8* align 1 [[A_SROA_2_SROA_4_3_A_SRC_1_SROA_IDX]], i32 7, i1 false), !tbaa [[TBAA3]]
; CHECK-NEXT: [[A_SROA_6_SROA_4_3_A_SROA_34_SROA_5_0_A_DST_1_SROA_IDX16_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_34_SROA_5]], i64 0, i64 0
; CHECK-NEXT: [[A_SROA_6_SROA_4_3_A_SRC_2_SROA_IDX:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_6_SROA_4]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_6_SROA_4_3_A_SROA_34_SROA_5_0_A_DST_1_SROA_IDX16_SROA_IDX]], i8* align 1 [[A_SROA_6_SROA_4_3_A_SRC_2_SROA_IDX]], i32 7, i1 false), !tbaa [[TBAA5]]
; CHECK-NEXT: [[A_SROA_0_0_B_SROA_IDX1:%.*]] = getelementptr inbounds [20 x i8], [20 x i8]* [[A_SROA_0]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[DST:%.*]], i8* align 1 [[A_SROA_0_0_B_SROA_IDX1]], i32 20, i1 false), !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_2_SROA_0_0_A_SROA_2_0_DST_SROA_RAW_IDX_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 20
; CHECK-NEXT: [[A_SROA_2_SROA_0_0_A_SROA_2_0_DST_SROA_RAW_IDX_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_2_SROA_0_0_A_SROA_2_0_DST_SROA_RAW_IDX_SROA_IDX]] to i16*
; CHECK-NEXT: store i16 [[A_SROA_2_SROA_0_0_COPYLOAD]], i16* [[A_SROA_2_SROA_0_0_A_SROA_2_0_DST_SROA_RAW_IDX_SROA_CAST]], align 1, !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_2_SROA_3_0_A_SROA_2_0_DST_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 22
; CHECK-NEXT: store i8 [[A_SROA_2_SROA_3_0_COPYLOAD]], i8* [[A_SROA_2_SROA_3_0_A_SROA_2_0_DST_SROA_RAW_IDX_SROA_RAW_IDX]], align 1, !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_2_SROA_4_0_A_SROA_2_0_DST_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 23
; CHECK-NEXT: [[A_SROA_2_SROA_4_0_B_SROA_IDX22:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_2_SROA_4]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_2_SROA_4_0_A_SROA_2_0_DST_SROA_RAW_IDX_SROA_RAW_IDX]], i8* align 1 [[A_SROA_2_SROA_4_0_B_SROA_IDX22]], i32 7, i1 false), !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_3_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 30
; CHECK-NEXT: [[A_SROA_3_0_B_SROA_IDX3:%.*]] = getelementptr inbounds [10 x i8], [10 x i8]* [[A_SROA_3]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_3_0_DST_SROA_RAW_IDX]], i8* align 1 [[A_SROA_3_0_B_SROA_IDX3]], i32 10, i1 false), !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_34_SROA_0_0_A_SROA_34_0_DST_SROA_RAW_IDX_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 40
; CHECK-NEXT: [[A_SROA_34_SROA_0_0_A_SROA_34_0_DST_SROA_RAW_IDX_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_34_SROA_0_0_A_SROA_34_0_DST_SROA_RAW_IDX_SROA_IDX]] to i16*
; CHECK-NEXT: store i16 [[A_SROA_6_SROA_0_0_COPYLOAD]], i16* [[A_SROA_34_SROA_0_0_A_SROA_34_0_DST_SROA_RAW_IDX_SROA_CAST]], align 1, !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_34_SROA_4_0_A_SROA_34_0_DST_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 42
; CHECK-NEXT: store i8 [[A_SROA_6_SROA_3_0_COPYLOAD]], i8* [[A_SROA_34_SROA_4_0_A_SROA_34_0_DST_SROA_RAW_IDX_SROA_RAW_IDX]], align 1, !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_34_SROA_5_0_A_SROA_34_0_DST_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 43
; CHECK-NEXT: [[A_SROA_34_SROA_5_0_B_SROA_IDX15:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_34_SROA_5]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_34_SROA_5_0_A_SROA_34_0_DST_SROA_RAW_IDX_SROA_RAW_IDX]], i8* align 1 [[A_SROA_34_SROA_5_0_B_SROA_IDX15]], i32 7, i1 false), !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_6_SROA_0_0_A_SROA_6_0_DST_SROA_RAW_IDX_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 50
; CHECK-NEXT: [[A_SROA_6_SROA_0_0_A_SROA_6_0_DST_SROA_RAW_IDX_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_6_SROA_0_0_A_SROA_6_0_DST_SROA_RAW_IDX_SROA_IDX]] to i16*
; CHECK-NEXT: store i16 [[A_SROA_6_SROA_0_0_COPYLOAD]], i16* [[A_SROA_6_SROA_0_0_A_SROA_6_0_DST_SROA_RAW_IDX_SROA_CAST]], align 1, !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_6_SROA_3_0_A_SROA_6_0_DST_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 52
; CHECK-NEXT: store i8 [[A_SROA_6_SROA_3_0_COPYLOAD]], i8* [[A_SROA_6_SROA_3_0_A_SROA_6_0_DST_SROA_RAW_IDX_SROA_RAW_IDX]], align 1, !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_6_SROA_4_0_A_SROA_6_0_DST_SROA_RAW_IDX_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 53
; CHECK-NEXT: [[A_SROA_6_SROA_4_0_B_SROA_IDX19:%.*]] = getelementptr inbounds [7 x i8], [7 x i8]* [[A_SROA_6_SROA_4]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_6_SROA_4_0_A_SROA_6_0_DST_SROA_RAW_IDX_SROA_RAW_IDX]], i8* align 1 [[A_SROA_6_SROA_4_0_B_SROA_IDX19]], i32 7, i1 false), !tbaa [[TBAA7]]
; CHECK-NEXT: [[A_SROA_7_0_DST_SROA_RAW_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 60
; CHECK-NEXT: [[A_SROA_7_0_B_SROA_IDX8:%.*]] = getelementptr inbounds [40 x i8], [40 x i8]* [[A_SROA_7]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_7_0_DST_SROA_RAW_IDX]], i8* align 1 [[A_SROA_7_0_B_SROA_IDX8]], i32 40, i1 false), !tbaa [[TBAA7]]
; CHECK-NEXT: ret void
;
entry:
%a = alloca [100 x i8]
%b = getelementptr [100 x i8], [100 x i8]* %a, i64 0, i64 0
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %b, i8* %src, i32 100, i1 false), !tbaa !0
%a.src.1 = getelementptr [100 x i8], [100 x i8]* %a, i64 0, i64 20
%a.dst.1 = getelementptr [100 x i8], [100 x i8]* %a, i64 0, i64 40
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a.dst.1, i8* %a.src.1, i32 10, i1 false), !tbaa !3
; Clobber a single element of the array, this should be promotable, and be deleted.
%c = getelementptr [100 x i8], [100 x i8]* %a, i64 0, i64 42
store i8 0, i8* %c
%a.src.2 = getelementptr [100 x i8], [100 x i8]* %a, i64 0, i64 50
call void @llvm.memmove.p0i8.p0i8.i32(i8* %a.dst.1, i8* %a.src.2, i32 10, i1 false), !tbaa !5
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %b, i32 100, i1 false), !tbaa !7
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind
declare void @llvm.memcpy.p1i8.p0i8.i32(i8 addrspace(1)* nocapture, i8* nocapture, i32, i1) nounwind
declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i1) nounwind
define i16 @test5() {
; CHECK-LABEL: @test5(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float 0.000000e+00 to i32
; CHECK-NEXT: [[A_SROA_0_2_EXTRACT_SHIFT:%.*]] = lshr i32 [[TMP0]], 16
; CHECK-NEXT: [[A_SROA_0_2_EXTRACT_TRUNC:%.*]] = trunc i32 [[A_SROA_0_2_EXTRACT_SHIFT]] to i16
; CHECK-NEXT: ret i16 [[A_SROA_0_2_EXTRACT_TRUNC]]
;
entry:
%a = alloca [4 x i8]
%fptr = bitcast [4 x i8]* %a to float*
store float 0.0, float* %fptr
%ptr = getelementptr [4 x i8], [4 x i8]* %a, i32 0, i32 2
%iptr = bitcast i8* %ptr to i16*
%val = load i16, i16* %iptr
ret i16 %val
}
define i16 @test5_multi_addrspace_access() {
; CHECK-LABEL: @test5_multi_addrspace_access(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float 0.000000e+00 to i32
; CHECK-NEXT: [[A_SROA_0_2_EXTRACT_SHIFT:%.*]] = lshr i32 [[TMP0]], 16
; CHECK-NEXT: [[A_SROA_0_2_EXTRACT_TRUNC:%.*]] = trunc i32 [[A_SROA_0_2_EXTRACT_SHIFT]] to i16
; CHECK-NEXT: ret i16 [[A_SROA_0_2_EXTRACT_TRUNC]]
;
entry:
%a = alloca [4 x i8]
%fptr = bitcast [4 x i8]* %a to float*
%fptr.as1 = addrspacecast float* %fptr to float addrspace(1)*
store float 0.0, float addrspace(1)* %fptr.as1
%ptr = getelementptr [4 x i8], [4 x i8]* %a, i32 0, i32 2
%iptr = bitcast i8* %ptr to i16*
%val = load i16, i16* %iptr
ret i16 %val
}
define i32 @test6() {
; CHECK-LABEL: @test6(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_0:%.*]] = alloca i32, align 4
; CHECK-NEXT: store volatile i32 707406378, i32* [[A_SROA_0]], align 4
; CHECK-NEXT: [[A_SROA_0_0_A_SROA_0_0_VAL:%.*]] = load i32, i32* [[A_SROA_0]], align 4
; CHECK-NEXT: ret i32 [[A_SROA_0_0_A_SROA_0_0_VAL]]
;
entry:
%a = alloca [4 x i8]
%ptr = getelementptr [4 x i8], [4 x i8]* %a, i32 0, i32 0
call void @llvm.memset.p0i8.i32(i8* %ptr, i8 42, i32 4, i1 true)
%iptr = bitcast i8* %ptr to i32*
%val = load i32, i32* %iptr
ret i32 %val
}
define void @test7(i8* %src, i8* %dst) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_0:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[A_SROA_0_0_SRC_SROA_CAST:%.*]] = bitcast i8* [[SRC:%.*]] to i32*
; CHECK-NEXT: [[A_SROA_0_0_COPYLOAD:%.*]] = load volatile i32, i32* [[A_SROA_0_0_SRC_SROA_CAST]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: store volatile i32 [[A_SROA_0_0_COPYLOAD]], i32* [[A_SROA_0]], align 4, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_0_0_DST_SROA_CAST:%.*]] = bitcast i8* [[DST:%.*]] to i32*
; CHECK-NEXT: [[A_SROA_0_0_A_SROA_0_0_COPYLOAD1:%.*]] = load volatile i32, i32* [[A_SROA_0]], align 4, !tbaa [[TBAA3]]
; CHECK-NEXT: store volatile i32 [[A_SROA_0_0_A_SROA_0_0_COPYLOAD1]], i32* [[A_SROA_0_0_DST_SROA_CAST]], align 1, !tbaa [[TBAA3]]
; CHECK-NEXT: ret void
;
entry:
%a = alloca [4 x i8]
%ptr = getelementptr [4 x i8], [4 x i8]* %a, i32 0, i32 0
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr, i8* %src, i32 4, i1 true), !tbaa !0
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %ptr, i32 4, i1 true), !tbaa !3
ret void
}
%S1 = type { i32, i32, [16 x i8] }
%S2 = type { %S1*, %S2* }
define %S2 @test8(%S2* %arg) {
; CHECK-LABEL: @test8(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[S2_NEXT_PTR:%.*]] = getelementptr [[S2:%.*]], %S2* [[ARG:%.*]], i64 0, i32 1
; CHECK-NEXT: [[S2_NEXT:%.*]] = load %S2*, %S2** [[S2_NEXT_PTR]], align 8, !tbaa [[TBAA0]]
; CHECK-NEXT: [[S2_NEXT_S1_PTR:%.*]] = getelementptr [[S2]], %S2* [[S2_NEXT]], i64 0, i32 0
; CHECK-NEXT: [[S2_NEXT_S1:%.*]] = load %S1*, %S1** [[S2_NEXT_S1_PTR]], align 8, !tbaa [[TBAA3]]
; CHECK-NEXT: [[S2_NEXT_NEXT_PTR:%.*]] = getelementptr [[S2]], %S2* [[S2_NEXT]], i64 0, i32 1
; CHECK-NEXT: [[S2_NEXT_NEXT:%.*]] = load %S2*, %S2** [[S2_NEXT_NEXT_PTR]], align 8, !tbaa [[TBAA7]]
; CHECK-NEXT: [[RESULT1:%.*]] = insertvalue [[S2]] undef, %S1* [[S2_NEXT_S1]], 0
; CHECK-NEXT: [[RESULT2:%.*]] = insertvalue [[S2]] [[RESULT1]], %S2* [[S2_NEXT_NEXT]], 1
; CHECK-NEXT: ret [[S2]] [[RESULT2]]
;
entry:
%new = alloca %S2
%s2.next.ptr = getelementptr %S2, %S2* %arg, i64 0, i32 1
%s2.next = load %S2*, %S2** %s2.next.ptr, !tbaa !0
%s2.next.s1.ptr = getelementptr %S2, %S2* %s2.next, i64 0, i32 0
%s2.next.s1 = load %S1*, %S1** %s2.next.s1.ptr, !tbaa !3
%new.s1.ptr = getelementptr %S2, %S2* %new, i64 0, i32 0
store %S1* %s2.next.s1, %S1** %new.s1.ptr, !tbaa !5
%s2.next.next.ptr = getelementptr %S2, %S2* %s2.next, i64 0, i32 1
%s2.next.next = load %S2*, %S2** %s2.next.next.ptr, !tbaa !7
%new.next.ptr = getelementptr %S2, %S2* %new, i64 0, i32 1
store %S2* %s2.next.next, %S2** %new.next.ptr, !tbaa !9
%new.s1 = load %S1*, %S1** %new.s1.ptr
%result1 = insertvalue %S2 undef, %S1* %new.s1, 0
%new.next = load %S2*, %S2** %new.next.ptr
%result2 = insertvalue %S2 %result1, %S2* %new.next, 1
ret %S2 %result2
}
define i64 @test9() {
; Ensure we can handle loads off the end of an alloca even when wrapped in
; weird bit casts and types. This is valid IR due to the alignment and masking
; off the bits past the end of the alloca.
;
; CHECK-LABEL: @test9(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_3_0_INSERT_EXT:%.*]] = zext i8 26 to i64
; CHECK-NEXT: [[A_SROA_3_0_INSERT_SHIFT:%.*]] = shl i64 [[A_SROA_3_0_INSERT_EXT]], 16
; CHECK-NEXT: [[A_SROA_3_0_INSERT_MASK:%.*]] = and i64 undef, -16711681
; CHECK-NEXT: [[A_SROA_3_0_INSERT_INSERT:%.*]] = or i64 [[A_SROA_3_0_INSERT_MASK]], [[A_SROA_3_0_INSERT_SHIFT]]
; CHECK-NEXT: [[A_SROA_2_0_INSERT_EXT:%.*]] = zext i8 0 to i64
; CHECK-NEXT: [[A_SROA_2_0_INSERT_SHIFT:%.*]] = shl i64 [[A_SROA_2_0_INSERT_EXT]], 8
; CHECK-NEXT: [[A_SROA_2_0_INSERT_MASK:%.*]] = and i64 [[A_SROA_3_0_INSERT_INSERT]], -65281
; CHECK-NEXT: [[A_SROA_2_0_INSERT_INSERT:%.*]] = or i64 [[A_SROA_2_0_INSERT_MASK]], [[A_SROA_2_0_INSERT_SHIFT]]
; CHECK-NEXT: [[A_SROA_0_0_INSERT_EXT:%.*]] = zext i8 0 to i64
; CHECK-NEXT: [[A_SROA_0_0_INSERT_MASK:%.*]] = and i64 [[A_SROA_2_0_INSERT_INSERT]], -256
; CHECK-NEXT: [[A_SROA_0_0_INSERT_INSERT:%.*]] = or i64 [[A_SROA_0_0_INSERT_MASK]], [[A_SROA_0_0_INSERT_EXT]]
; CHECK-NEXT: [[RESULT:%.*]] = and i64 [[A_SROA_0_0_INSERT_INSERT]], 16777215
; CHECK-NEXT: ret i64 [[RESULT]]
;
entry:
%a = alloca { [3 x i8] }, align 8
%gep1 = getelementptr inbounds { [3 x i8] }, { [3 x i8] }* %a, i32 0, i32 0, i32 0
store i8 0, i8* %gep1, align 1
%gep2 = getelementptr inbounds { [3 x i8] }, { [3 x i8] }* %a, i32 0, i32 0, i32 1
store i8 0, i8* %gep2, align 1
%gep3 = getelementptr inbounds { [3 x i8] }, { [3 x i8] }* %a, i32 0, i32 0, i32 2
store i8 26, i8* %gep3, align 1
%cast = bitcast { [3 x i8] }* %a to { i64 }*
%elt = getelementptr inbounds { i64 }, { i64 }* %cast, i32 0, i32 0
%load = load i64, i64* %elt
%result = and i64 %load, 16777215
ret i64 %result
}
define %S2* @test10() {
; CHECK-LABEL: @test10(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint %S2* null to i64
; CHECK-NEXT: ret %S2* null
;
entry:
%a = alloca [8 x i8]
%ptr = getelementptr [8 x i8], [8 x i8]* %a, i32 0, i32 0
call void @llvm.memset.p0i8.i32(i8* %ptr, i8 0, i32 8, i1 false)
%s2ptrptr = bitcast i8* %ptr to %S2**
%s2ptr = load %S2*, %S2** %s2ptrptr
ret %S2* %s2ptr
}
define i32 @test11() {
; CHECK-LABEL: @test11(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 undef, label [[GOOD:%.*]], label [[BAD:%.*]]
; CHECK: good:
; CHECK-NEXT: ret i32 0
; CHECK: bad:
; CHECK-NEXT: ret i32 undef
;
entry:
%X = alloca i32
br i1 undef, label %good, label %bad
good:
%Y = getelementptr i32, i32* %X, i64 0
store i32 0, i32* %Y
%Z = load i32, i32* %Y
ret i32 %Z
bad:
%Y2 = getelementptr i32, i32* %X, i64 1
store i32 0, i32* %Y2
%Z2 = load i32, i32* %Y2
ret i32 %Z2
}
define i8 @test12() {
; We fully promote these to the i24 load or store size, resulting in just masks
; and other operations that instcombine will fold, but no alloca.
;
; CHECK-LABEL: @test12(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_3_0_INSERT_EXT:%.*]] = zext i8 0 to i24
; CHECK-NEXT: [[A_SROA_3_0_INSERT_SHIFT:%.*]] = shl i24 [[A_SROA_3_0_INSERT_EXT]], 16
; CHECK-NEXT: [[A_SROA_3_0_INSERT_MASK:%.*]] = and i24 undef, 65535
; CHECK-NEXT: [[A_SROA_3_0_INSERT_INSERT:%.*]] = or i24 [[A_SROA_3_0_INSERT_MASK]], [[A_SROA_3_0_INSERT_SHIFT]]
; CHECK-NEXT: [[A_SROA_2_0_INSERT_EXT:%.*]] = zext i8 0 to i24
; CHECK-NEXT: [[A_SROA_2_0_INSERT_SHIFT:%.*]] = shl i24 [[A_SROA_2_0_INSERT_EXT]], 8
; CHECK-NEXT: [[A_SROA_2_0_INSERT_MASK:%.*]] = and i24 [[A_SROA_3_0_INSERT_INSERT]], -65281
; CHECK-NEXT: [[A_SROA_2_0_INSERT_INSERT:%.*]] = or i24 [[A_SROA_2_0_INSERT_MASK]], [[A_SROA_2_0_INSERT_SHIFT]]
; CHECK-NEXT: [[A_SROA_0_0_INSERT_EXT:%.*]] = zext i8 0 to i24
; CHECK-NEXT: [[A_SROA_0_0_INSERT_MASK:%.*]] = and i24 [[A_SROA_2_0_INSERT_INSERT]], -256
; CHECK-NEXT: [[A_SROA_0_0_INSERT_INSERT:%.*]] = or i24 [[A_SROA_0_0_INSERT_MASK]], [[A_SROA_0_0_INSERT_EXT]]
; CHECK-NEXT: [[B_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i24 [[A_SROA_0_0_INSERT_INSERT]] to i8
; CHECK-NEXT: [[B_SROA_2_0_EXTRACT_SHIFT:%.*]] = lshr i24 [[A_SROA_0_0_INSERT_INSERT]], 8
; CHECK-NEXT: [[B_SROA_2_0_EXTRACT_TRUNC:%.*]] = trunc i24 [[B_SROA_2_0_EXTRACT_SHIFT]] to i8
; CHECK-NEXT: [[B_SROA_3_0_EXTRACT_SHIFT:%.*]] = lshr i24 [[A_SROA_0_0_INSERT_INSERT]], 16
; CHECK-NEXT: [[B_SROA_3_0_EXTRACT_TRUNC:%.*]] = trunc i24 [[B_SROA_3_0_EXTRACT_SHIFT]] to i8
; CHECK-NEXT: [[BSUM0:%.*]] = add i8 [[B_SROA_0_0_EXTRACT_TRUNC]], [[B_SROA_2_0_EXTRACT_TRUNC]]
; CHECK-NEXT: [[BSUM1:%.*]] = add i8 [[BSUM0]], [[B_SROA_3_0_EXTRACT_TRUNC]]
; CHECK-NEXT: ret i8 [[BSUM1]]
;
entry:
%a = alloca [3 x i8]
%b = alloca [3 x i8]
%a0ptr = getelementptr [3 x i8], [3 x i8]* %a, i64 0, i32 0
store i8 0, i8* %a0ptr
%a1ptr = getelementptr [3 x i8], [3 x i8]* %a, i64 0, i32 1
store i8 0, i8* %a1ptr
%a2ptr = getelementptr [3 x i8], [3 x i8]* %a, i64 0, i32 2
store i8 0, i8* %a2ptr
%aiptr = bitcast [3 x i8]* %a to i24*
%ai = load i24, i24* %aiptr
%biptr = bitcast [3 x i8]* %b to i24*
store i24 %ai, i24* %biptr
%b0ptr = getelementptr [3 x i8], [3 x i8]* %b, i64 0, i32 0
%b0 = load i8, i8* %b0ptr
%b1ptr = getelementptr [3 x i8], [3 x i8]* %b, i64 0, i32 1
%b1 = load i8, i8* %b1ptr
%b2ptr = getelementptr [3 x i8], [3 x i8]* %b, i64 0, i32 2
%b2 = load i8, i8* %b2ptr
%bsum0 = add i8 %b0, %b1
%bsum1 = add i8 %bsum0, %b2
ret i8 %bsum1
}
define i32 @test13() {
; Ensure we don't crash and handle undefined loads that straddle the end of the
; allocation.
; CHECK-LABEL: @test13(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_2_2_LOAD_EXT:%.*]] = zext i8 0 to i16
; CHECK-NEXT: [[RET:%.*]] = zext i16 [[A_SROA_2_2_LOAD_EXT]] to i32
; CHECK-NEXT: ret i32 [[RET]]
;
entry:
%a = alloca [3 x i8], align 2
%b0ptr = getelementptr [3 x i8], [3 x i8]* %a, i64 0, i32 0
store i8 0, i8* %b0ptr
%b1ptr = getelementptr [3 x i8], [3 x i8]* %a, i64 0, i32 1
store i8 0, i8* %b1ptr
%b2ptr = getelementptr [3 x i8], [3 x i8]* %a, i64 0, i32 2
store i8 0, i8* %b2ptr
%iptrcast = bitcast [3 x i8]* %a to i16*
%iptrgep = getelementptr i16, i16* %iptrcast, i64 1
%i = load i16, i16* %iptrgep
%ret = zext i16 %i to i32
ret i32 %ret
}
%test14.struct = type { [3 x i32] }
define void @test14(...) nounwind uwtable {
; This is a strange case where we split allocas into promotable partitions, but
; also gain enough data to prove they must be dead allocas due to GEPs that walk
; across two adjacent allocas. Test that we don't try to promote or otherwise
; do bad things to these dead allocas, they should just be removed.
; CHECK-LABEL: @test14(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret void
;
entry:
%a = alloca %test14.struct
%p = alloca %test14.struct*
%0 = bitcast %test14.struct* %a to i8*
%1 = getelementptr i8, i8* %0, i64 12
%2 = bitcast i8* %1 to %test14.struct*
%3 = getelementptr inbounds %test14.struct, %test14.struct* %2, i32 0, i32 0
%4 = getelementptr inbounds %test14.struct, %test14.struct* %a, i32 0, i32 0
%5 = bitcast [3 x i32]* %3 to i32*
%6 = bitcast [3 x i32]* %4 to i32*
%7 = load i32, i32* %6, align 4
store i32 %7, i32* %5, align 4
%8 = getelementptr inbounds i32, i32* %5, i32 1
%9 = getelementptr inbounds i32, i32* %6, i32 1
%10 = load i32, i32* %9, align 4
store i32 %10, i32* %8, align 4
%11 = getelementptr inbounds i32, i32* %5, i32 2
%12 = getelementptr inbounds i32, i32* %6, i32 2
%13 = load i32, i32* %12, align 4
store i32 %13, i32* %11, align 4
ret void
}
define i32 @test15(i1 %flag) nounwind uwtable {
; Ensure that when there are dead instructions using an alloca that are not
; loads or stores we still delete them during partitioning and rewriting.
; Otherwise we'll go to promote them while thy still have unpromotable uses.
; CHECK-LABEL: @test15(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: br label [[LOOP]]
;
entry:
%l0 = alloca i64
%l1 = alloca i64
%l2 = alloca i64
%l3 = alloca i64
br label %loop
loop:
%dead3 = phi i8* [ %gep3, %loop ], [ null, %entry ]
store i64 1879048192, i64* %l0, align 8
%bc0 = bitcast i64* %l0 to i8*
%gep0 = getelementptr i8, i8* %bc0, i64 3
%dead0 = bitcast i8* %gep0 to i64*
store i64 1879048192, i64* %l1, align 8
%bc1 = bitcast i64* %l1 to i8*
%gep1 = getelementptr i8, i8* %bc1, i64 3
%dead1 = getelementptr i8, i8* %gep1, i64 1
store i64 1879048192, i64* %l2, align 8
%bc2 = bitcast i64* %l2 to i8*
%gep2.1 = getelementptr i8, i8* %bc2, i64 1
%gep2.2 = getelementptr i8, i8* %bc2, i64 3
; Note that this select should get visited multiple times due to using two
; different GEPs off the same alloca. We should only delete it once.
%dead2 = select i1 %flag, i8* %gep2.1, i8* %gep2.2
store i64 1879048192, i64* %l3, align 8
%bc3 = bitcast i64* %l3 to i8*
%gep3 = getelementptr i8, i8* %bc3, i64 3
br label %loop
}
define void @test16(i8* %src, i8* %dst) {
; Ensure that we can promote an alloca of [3 x i8] to an i24 SSA value.
; CHECK-LABEL: @test16(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_0_0_SRC_SROA_CAST:%.*]] = bitcast i8* [[SRC:%.*]] to i24*
; CHECK-NEXT: [[A_SROA_0_0_COPYLOAD:%.*]] = load i24, i24* [[A_SROA_0_0_SRC_SROA_CAST]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_0_0_DST_SROA_CAST:%.*]] = bitcast i8* [[DST:%.*]] to i24*
; CHECK-NEXT: store i24 0, i24* [[A_SROA_0_0_DST_SROA_CAST]], align 1, !tbaa [[TBAA5]]
; CHECK-NEXT: ret void
;
entry:
%a = alloca [3 x i8]
%ptr = getelementptr [3 x i8], [3 x i8]* %a, i32 0, i32 0
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr, i8* %src, i32 4, i1 false), !tbaa !0
%cast = bitcast i8* %ptr to i24*
store i24 0, i24* %cast, !tbaa !3
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %ptr, i32 4, i1 false), !tbaa !5
ret void
}
define void @test17(i8* %src, i8* %dst) {
; Ensure that we can rewrite unpromotable memcpys which extend past the end of
; the alloca.
; CHECK-LABEL: @test17(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca [3 x i8], align 1
; CHECK-NEXT: [[PTR:%.*]] = getelementptr [3 x i8], [3 x i8]* [[A]], i32 0, i32 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[PTR]], i8* [[SRC:%.*]], i32 4, i1 true), !tbaa [[TBAA0]]
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[DST:%.*]], i8* [[PTR]], i32 4, i1 true), !tbaa [[TBAA3]]
; CHECK-NEXT: ret void
;
entry:
%a = alloca [3 x i8]
%ptr = getelementptr [3 x i8], [3 x i8]* %a, i32 0, i32 0
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr, i8* %src, i32 4, i1 true), !tbaa !0
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %ptr, i32 4, i1 true), !tbaa !3
ret void
}
define void @test18(i8* %src, i8* %dst, i32 %size) {
; Preserve transfer instrinsics with a variable size, even if they overlap with
; fixed size operations. Further, continue to split and promote allocas preceding
; the variable sized intrinsic.
; CHECK-LABEL: @test18(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_SROA_33:%.*]] = alloca [34 x i8], align 1
; CHECK-NEXT: [[A_SROA_0_0_SRC_SROA_CAST:%.*]] = bitcast i8* [[SRC:%.*]] to i32*
; CHECK-NEXT: [[A_SROA_0_0_COPYLOAD:%.*]] = load i32, i32* [[A_SROA_0_0_SRC_SROA_CAST]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_3_0_SRC_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[SRC]], i64 4
; CHECK-NEXT: [[A_SROA_3_0_SRC_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_3_0_SRC_SROA_IDX]] to i32*
; CHECK-NEXT: [[A_SROA_3_0_COPYLOAD:%.*]] = load i32, i32* [[A_SROA_3_0_SRC_SROA_CAST]], align 1, !tbaa [[TBAA0]]
; CHECK-NEXT: [[A_SROA_33_0_PTR2_SROA_IDX:%.*]] = getelementptr inbounds [34 x i8], [34 x i8]* [[A_SROA_33]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 [[A_SROA_33_0_PTR2_SROA_IDX]], i8* [[SRC]], i32 [[SIZE:%.*]], i1 false), !tbaa [[TBAA3]]
; CHECK-NEXT: [[A_SROA_33_0_PTR2_SROA_IDX6:%.*]] = getelementptr inbounds [34 x i8], [34 x i8]* [[A_SROA_33]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memset.p0i8.i32(i8* align 1 [[A_SROA_33_0_PTR2_SROA_IDX6]], i8 42, i32 [[SIZE]], i1 false), !tbaa [[TBAA5]]
; CHECK-NEXT: [[A_SROA_0_0_DST_SROA_CAST:%.*]] = bitcast i8* [[DST:%.*]] to i32*
; CHECK-NEXT: store i32 42, i32* [[A_SROA_0_0_DST_SROA_CAST]], align 1, !tbaa [[TBAA9]]
; CHECK-NEXT: [[A_SROA_3_0_DST_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[DST]], i64 4
; CHECK-NEXT: [[A_SROA_3_0_DST_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_3_0_DST_SROA_IDX]] to i32*
; CHECK-NEXT: store i32 [[A_SROA_3_0_COPYLOAD]], i32* [[A_SROA_3_0_DST_SROA_CAST]], align 1, !tbaa [[TBAA9]]
; CHECK-NEXT: [[A_SROA_33_0_PTR2_SROA_IDX7:%.*]] = getelementptr inbounds [34 x i8], [34 x i8]* [[A_SROA_33]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[DST]], i8* align 1 [[A_SROA_33_0_PTR2_SROA_IDX7]], i32 [[SIZE]], i1 false), !tbaa [[TBAA11]]
; CHECK-NEXT: ret void
;
entry:
%a = alloca [42 x i8]
%ptr = getelementptr [42 x i8], [42 x i8]* %a, i32 0, i32 0
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr, i8* %src, i32 8, i1 false), !tbaa !0
%ptr2 = getelementptr [42 x i8], [42 x i8]* %a, i32 0, i32 8
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr2, i8* %src, i32 %size, i1 false), !tbaa !3
call void @llvm.memset.p0i8.i32(i8* %ptr2, i8 42, i32 %size, i1 false), !tbaa !5
%cast = bitcast i8* %ptr to i32*
store i32 42, i32* %cast, !tbaa !7
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %ptr, i32 8, i1 false), !tbaa !9
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %ptr2, i32 %size, i1 false), !tbaa !11
ret void
}
%opaque = type opaque
define i32 @test19(%opaque* %x) {
; This input will cause us to try to compute a natural GEP when rewriting
; pointers in such a way that we try to GEP through the opaque type. Previously,
; a check for an unsized type was missing and this crashed. Ensure it behaves
; reasonably now.
; CHECK-LABEL: @test19(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CAST1:%.*]] = bitcast %opaque* [[X:%.*]] to i8*
; CHECK-NEXT: [[A_SROA_0_0_CAST1_SROA_CAST:%.*]] = bitcast i8* [[CAST1]] to i64*
; CHECK-NEXT: [[A_SROA_0_0_COPYLOAD:%.*]] = load i64, i64* [[A_SROA_0_0_CAST1_SROA_CAST]], align 1
; CHECK-NEXT: [[A_SROA_2_0_CAST1_SROA_IDX:%.*]] = getelementptr inbounds i8, i8* [[CAST1]], i64 8
; CHECK-NEXT: [[A_SROA_2_0_CAST1_SROA_CAST:%.*]] = bitcast i8* [[A_SROA_2_0_CAST1_SROA_IDX]] to i8**
; CHECK-NEXT: [[A_SROA_2_0_COPYLOAD:%.*]] = load i8*, i8** [[A_SROA_2_0_CAST1_SROA_CAST]], align 1
; CHECK-NEXT: ret i32 undef
;
entry:
%a = alloca { i64, i8* }
%cast1 = bitcast %opaque* %x to i8*
%cast2 = bitcast { i64, i8* }* %a to i8*
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %cast2, i8* %cast1, i32 16, i1 false)
%gep = getelementptr inbounds { i64, i8* }, { i64, i8* }* %a, i32 0, i32 0
%val = load i64, i64* %gep
ret i32 undef
}
declare void @llvm.memcpy.p0i8.p1i8.i32(i8* nocapture, i8 addrspace(1)* nocapture, i32, i32, i1) nounwind
define i32 @test19_addrspacecast(%opaque* %x) {
; This input will cause us to try to compute a natural GEP when rewriting
; pointers in such a way that we try to GEP through the opaque type. Previously,
; a check for an unsized type was missing and this crashed. Ensure it behaves
; reasonably now.
; CHECK-LABEL: @test19_addrspacecast(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CAST1:%.*]] = addrspacecast %opaque* [[X:%.*]] to i8 addrspace(1)*
; CHECK-NEXT: [[A_SROA_0_0_CAST1_SROA_CAST:%.*]] = bitcast i8 addrspace(1)* [[CAST1]] to i64 addrspace(1)*
; CHECK-NEXT: [[A_SROA_0_0_COPYLOAD:%.*]] = load i64, i64 addrspace(1)* [[A_SROA_0_0_CAST1_SROA_CAST]], align 1
; CHECK-NEXT: [[A_SROA_2_0_CAST1_SROA_IDX:%.*]] = getelementptr inbounds i8, i8 addrspace(1)* [[CAST1]], i16 8
; CHECK-NEXT: [[A_SROA_2_0_CAST1_SROA_CAST:%.*]] = bitcast i8 addrspace(1)* [[A_SROA_2_0_CAST1_SROA_IDX]] to i8* addrspace(1)*
; CHECK-NEXT: [[A_SROA_2_0_COPYLOAD:%.*]] = load i8*, i8* addrspace(1)* [[A_SROA_2_0_CAST1_SROA_CAST]], align 1
; CHECK-NEXT: ret i32 undef
;
entry:
%a = alloca { i64, i8* }
%cast1 = addrspacecast %opaque* %x to i8 addrspace(1)*
%cast2 = bitcast { i64, i8* }* %a to i8*
call void @llvm.memcpy.p0i8.p1i8.i32(i8* %cast2, i8 addrspace(1)* %cast1, i32 16, i32 1, i1 false)
%gep = getelementptr inbounds { i64, i8* }, { i64, i8* }* %a, i32 0, i32 0
%val = load i64, i64* %gep
ret i32 undef
}
define i32 @test20() {
; Ensure we can track negative offsets (before the beginning of the alloca) and
; negative relative offsets from offsets starting past the end of the alloca.
; CHECK-LABEL: @test20(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SUM1:%.*]] = add i32 1, 2
; CHECK-NEXT: [[SUM2:%.*]] = add i32 [[SUM1]], 3
; CHECK-NEXT: ret i32 [[SUM2]]
;
entry:
%a = alloca [3 x i32]
%gep1 = getelementptr [3 x i32], [3 x i32]* %a, i32 0, i32 0
store i32 1, i32* %gep1