91 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=memcpyopt -S < %s -verify-memoryssa | FileCheck %s3 4declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind5 6@undef = internal constant i32 undef, align 47define void @test_undef() nounwind {8; CHECK-LABEL: @test_undef(9; CHECK-NEXT: [[A:%.*]] = alloca i32, align 410; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 undef, i64 4, i1 false)11; CHECK-NEXT: ret void12;13 %a = alloca i32, align 414 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @undef, i64 4, i1 false)15 ret void16}17 18@i32x3 = internal constant [3 x i32] [i32 -1, i32 -1, i32 -1], align 419define void @test_i32x3() nounwind {20; CHECK-LABEL: @test_i32x3(21; CHECK-NEXT: [[A:%.*]] = alloca [3 x i32], align 422; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 -1, i64 12, i1 false)23; CHECK-NEXT: ret void24;25 %a = alloca [3 x i32], align 426 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @i32x3, i64 12, i1 false)27 ret void28}29 30@i32x3_undef = internal constant [3 x i32] [i32 -1, i32 undef, i32 -1], align 431define void @test_i32x3_undef() nounwind {32; CHECK-LABEL: @test_i32x3_undef(33; CHECK-NEXT: [[A:%.*]] = alloca [3 x i32], align 434; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 -1, i64 12, i1 false)35; CHECK-NEXT: ret void36;37 %a = alloca [3 x i32], align 438 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @i32x3_undef, i64 12, i1 false)39 ret void40}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 444define void @test_bitfield() nounwind {45; CHECK-LABEL: @test_bitfield(46; CHECK-NEXT: [[A:%.*]] = alloca [[STRUCT_BITFIELD:%.*]], align 447; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 -86, i64 4, i1 false)48; CHECK-NEXT: ret void49;50 %a = alloca %struct.bitfield, align 451 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @bitfield, i64 4, i1 false)52 ret void53}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 456define void @test_i1x16_zero() nounwind {57; CHECK-LABEL: @test_i1x16_zero(58; CHECK-NEXT: [[A:%.*]] = alloca <16 x i1>, align 459; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 0, i64 16, i1 false)60; CHECK-NEXT: ret void61;62 %a = alloca <16 x i1>, align 463 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @i1x16_zero, i64 16, i1 false)64 ret void65}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 469define void @test_i1x16_one() nounwind {70; CHECK-LABEL: @test_i1x16_one(71; CHECK-NEXT: [[A:%.*]] = alloca <16 x i1>, align 472; 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 void74;75 %a = alloca <16 x i1>, align 476 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @i1x16_one, i64 16, i1 false)77 ret void78}79 80@half = internal constant half 0xH0000, align 481define void @test_half() nounwind {82; CHECK-LABEL: @test_half(83; CHECK-NEXT: [[A:%.*]] = alloca half, align 484; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[A]], i8 0, i64 2, i1 false)85; CHECK-NEXT: ret void86;87 %a = alloca half, align 488 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a, ptr align 4 @half, i64 2, i1 false)89 ret void90}91