1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=memcpyopt -mtriple=x86_64 < %s | FileCheck %s --check-prefixes=CHECK,LIBCALLS 3; RUN: opt -S -passes=memcpyopt -mtriple=amdgcn-- < %s | FileCheck %s --check-prefixes=CHECK,NO-LIBCALLS 4; RUN: opt -S -passes=memcpyopt -mtriple=amdgcn-- -enable-memcpyopt-without-libcalls < %s \ 5; RUN: | FileCheck %s --check-prefixes=CHECK,LIBCALLS 6 7; REQUIRES: amdgpu-registered-target 8; REQUIRES: x86-registered-target 9 10define void @dont_create_memset(ptr %p) { 11; LIBCALLS-LABEL: @dont_create_memset( 12; LIBCALLS-NEXT: [[P1:%.*]] = getelementptr i32, ptr [[P:%.*]], i64 1 13; LIBCALLS-NEXT: [[P2:%.*]] = getelementptr i32, ptr [[P]], i64 2 14; LIBCALLS-NEXT: [[P3:%.*]] = getelementptr i32, ptr [[P]], i64 3 15; LIBCALLS-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[P]], i8 0, i64 16, i1 false) 16; LIBCALLS-NEXT: ret void 17; 18; NO-LIBCALLS-LABEL: @dont_create_memset( 19; NO-LIBCALLS-NEXT: store i32 0, ptr [[P:%.*]], align 4 20; NO-LIBCALLS-NEXT: [[P1:%.*]] = getelementptr i32, ptr [[P]], i64 1 21; NO-LIBCALLS-NEXT: store i32 0, ptr [[P1]], align 4 22; NO-LIBCALLS-NEXT: [[P2:%.*]] = getelementptr i32, ptr [[P]], i64 2 23; NO-LIBCALLS-NEXT: store i32 0, ptr [[P2]], align 4 24; NO-LIBCALLS-NEXT: [[P3:%.*]] = getelementptr i32, ptr [[P]], i64 3 25; NO-LIBCALLS-NEXT: store i32 0, ptr [[P3]], align 4 26; NO-LIBCALLS-NEXT: ret void 27; 28 store i32 0, ptr %p 29 %p1 = getelementptr i32, ptr %p, i64 1 30 store i32 0, ptr %p1 31 %p2 = getelementptr i32, ptr %p, i64 2 32 store i32 0, ptr %p2 33 %p3 = getelementptr i32, ptr %p, i64 3 34 store i32 0, ptr %p3 35 ret void 36} 37 38%ty = type { i64 } 39 40define void @dont_create_memcpy(ptr %p1, ptr %p2) { 41; LIBCALLS-LABEL: @dont_create_memcpy( 42; LIBCALLS-NEXT: call void @llvm.memmove.p0.p0.i64(ptr align 8 [[P2:%.*]], ptr align 8 [[P1:%.*]], i64 8, i1 false) 43; LIBCALLS-NEXT: ret void 44; 45; NO-LIBCALLS-LABEL: @dont_create_memcpy( 46; NO-LIBCALLS-NEXT: [[V:%.*]] = load [[TY:%.*]], ptr [[P1:%.*]], align 8 47; NO-LIBCALLS-NEXT: store [[TY]] [[V]], ptr [[P2:%.*]], align 8 48; NO-LIBCALLS-NEXT: ret void 49; 50 %v = load %ty, ptr %p1 51 store %ty %v, ptr %p2 52 ret void 53} 54 55define void @forward_memcpy(ptr noalias %p1, ptr noalias %p2, ptr noalias %p3) { 56; CHECK-LABEL: @forward_memcpy( 57; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr [[P2:%.*]], ptr [[P1:%.*]], i64 16, i1 false) 58; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr [[P3:%.*]], ptr [[P1]], i64 16, i1 false) 59; CHECK-NEXT: ret void 60; 61 call void @llvm.memcpy.p0.p0.i64(ptr %p2, ptr %p1, i64 16, i1 false) 62 call void @llvm.memcpy.p0.p0.i64(ptr %p3, ptr %p2, i64 16, i1 false) 63 ret void 64} 65 66declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1) 67