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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -passes=memcpyopt -mtriple=x86_64 < %s | FileCheck %s --check-prefixes=CHECK,LIBCALLS3; RUN: opt -S -passes=memcpyopt -mtriple=amdgcn-- < %s | FileCheck %s --check-prefixes=CHECK,NO-LIBCALLS4; RUN: opt -S -passes=memcpyopt -mtriple=amdgcn-- -enable-memcpyopt-without-libcalls < %s \5; RUN: | FileCheck %s --check-prefixes=CHECK,LIBCALLS6 7; REQUIRES: amdgpu-registered-target8; REQUIRES: x86-registered-target9 10define void @dont_create_memset(ptr %p) {11; LIBCALLS-LABEL: @dont_create_memset(12; LIBCALLS-NEXT: [[P1:%.*]] = getelementptr i32, ptr [[P:%.*]], i64 113; LIBCALLS-NEXT: [[P2:%.*]] = getelementptr i32, ptr [[P]], i64 214; LIBCALLS-NEXT: [[P3:%.*]] = getelementptr i32, ptr [[P]], i64 315; LIBCALLS-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[P]], i8 0, i64 16, i1 false)16; LIBCALLS-NEXT: ret void17;18; NO-LIBCALLS-LABEL: @dont_create_memset(19; NO-LIBCALLS-NEXT: store i32 0, ptr [[P:%.*]], align 420; NO-LIBCALLS-NEXT: [[P1:%.*]] = getelementptr i32, ptr [[P]], i64 121; NO-LIBCALLS-NEXT: store i32 0, ptr [[P1]], align 422; NO-LIBCALLS-NEXT: [[P2:%.*]] = getelementptr i32, ptr [[P]], i64 223; NO-LIBCALLS-NEXT: store i32 0, ptr [[P2]], align 424; NO-LIBCALLS-NEXT: [[P3:%.*]] = getelementptr i32, ptr [[P]], i64 325; NO-LIBCALLS-NEXT: store i32 0, ptr [[P3]], align 426; NO-LIBCALLS-NEXT: ret void27;28 store i32 0, ptr %p29 %p1 = getelementptr i32, ptr %p, i64 130 store i32 0, ptr %p131 %p2 = getelementptr i32, ptr %p, i64 232 store i32 0, ptr %p233 %p3 = getelementptr i32, ptr %p, i64 334 store i32 0, ptr %p335 ret void36}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 void44;45; NO-LIBCALLS-LABEL: @dont_create_memcpy(46; NO-LIBCALLS-NEXT: [[V:%.*]] = load [[TY:%.*]], ptr [[P1:%.*]], align 847; NO-LIBCALLS-NEXT: store [[TY]] [[V]], ptr [[P2:%.*]], align 848; NO-LIBCALLS-NEXT: ret void49;50 %v = load %ty, ptr %p151 store %ty %v, ptr %p252 ret void53}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 void60;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 void64}65 66declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)67