| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -basic-aa -memcpyopt -S %s -verify-memoryssa -opaque-pointers | FileCheck %s |
| |
| define void @test_memset_memcpy(ptr %src, i64 %src_size, ptr noalias %dst, i64 %dst_size, i8 %c) { |
| ; CHECK-LABEL: @test_memset_memcpy( |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i64 [[DST_SIZE:%.*]], [[SRC_SIZE:%.*]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = sub i64 [[DST_SIZE]], [[SRC_SIZE]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = select i1 [[TMP1]], i64 0, i64 [[TMP2]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[DST:%.*]], i64 [[SRC_SIZE]] |
| ; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP4]], i8 [[C:%.*]], i64 [[TMP3]], i1 false) |
| ; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr [[DST]], ptr [[SRC:%.*]], i64 [[SRC_SIZE]], i1 false) |
| ; CHECK-NEXT: ret void |
| ; |
| call void @llvm.memset.p0.i64(ptr %dst, i8 %c, i64 %dst_size, i1 false) |
| call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 %src_size, i1 false) |
| ret void |
| } |
| |
| declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) |
| declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) |
