1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=memcpyopt -S < %s -verify-memoryssa | FileCheck %s 3 4declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind 5 6@undef = internal constant i32 undef, align 4 7define void @test_undef() nounwind { 8; CHECK-LABEL: @test_undef( 9; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4 10; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 undef, i64 4, i1 false) 11; CHECK-NEXT: ret void 12; 13 %a = alloca i32, align 4 14 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @undef, i64 4, i1 false) 15 ret void 16} 17 18@i32x3 = internal constant [3 x i32] [i32 -1, i32 -1, i32 -1], align 4 19define void @test_i32x3() nounwind { 20; CHECK-LABEL: @test_i32x3( 21; CHECK-NEXT: [[A:%.*]] = alloca [3 x i32], align 4 22; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 -1, i64 12, i1 false) 23; CHECK-NEXT: ret void 24; 25 %a = alloca [3 x i32], align 4 26 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @i32x3, i64 12, i1 false) 27 ret void 28} 29 30@i32x3_undef = internal constant [3 x i32] [i32 -1, i32 undef, i32 -1], align 4 31define void @test_i32x3_undef() nounwind { 32; CHECK-LABEL: @test_i32x3_undef( 33; CHECK-NEXT: [[A:%.*]] = alloca [3 x i32], align 4 34; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 -1, i64 12, i1 false) 35; CHECK-NEXT: ret void 36; 37 %a = alloca [3 x i32], align 4 38 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @i32x3_undef, i64 12, i1 false) 39 ret void 40} 41 42%struct.bitfield = type { i8, [3 x i8] } 43@bitfield = private unnamed_addr constant %struct.bitfield { i8 -86, [3 x i8] [i8 -86, i8 -86, i8 -86] }, align 4 44define void @test_bitfield() nounwind { 45; CHECK-LABEL: @test_bitfield( 46; CHECK-NEXT: [[A:%.*]] = alloca [[STRUCT_BITFIELD:%.*]], align 4 47; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 -86, i64 4, i1 false) 48; CHECK-NEXT: ret void 49; 50 %a = alloca %struct.bitfield, align 4 51 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @bitfield, i64 4, i1 false) 52 ret void 53} 54 55@i1x16_zero = internal constant <16 x i1> <i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0, i1 0>, align 4 56define void @test_i1x16_zero() nounwind { 57; CHECK-LABEL: @test_i1x16_zero( 58; CHECK-NEXT: [[A:%.*]] = alloca <16 x i1>, align 4 59; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 0, i64 16, i1 false) 60; CHECK-NEXT: ret void 61; 62 %a = alloca <16 x i1>, align 4 63 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @i1x16_zero, i64 16, i1 false) 64 ret void 65} 66 67; i1 isn't currently handled. Should it? 68@i1x16_one = internal constant <16 x i1> <i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1>, align 4 69define void @test_i1x16_one() nounwind { 70; CHECK-LABEL: @test_i1x16_one( 71; CHECK-NEXT: [[A:%.*]] = alloca <16 x i1>, align 4 72; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 [[A]], ptr align 4 @i1x16_one, i64 16, i1 false) 73; CHECK-NEXT: ret void 74; 75 %a = alloca <16 x i1>, align 4 76 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @i1x16_one, i64 16, i1 false) 77 ret void 78} 79 80@half = internal constant half 0xH0000, align 4 81define void @test_half() nounwind { 82; CHECK-LABEL: @test_half( 83; CHECK-NEXT: [[A:%.*]] = alloca half, align 4 84; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 0, i64 2, i1 false) 85; CHECK-NEXT: ret void 86; 87 %a = alloca half, align 4 88 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @half, i64 2, i1 false) 89 ret void 90} 91