| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -memcpyopt -S -verify-memoryssa | FileCheck %s |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @test(i8* %src, i64 %size) { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: [[TMP:%.*]] = alloca i8, i64 [[SIZE:%.*]], align 1 |
| ; CHECK-NEXT: [[DST:%.*]] = alloca i8, i64 [[SIZE]], align 1 |
| ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TMP]], i8* align 8 [[SRC:%.*]], i64 [[SIZE]], i1 false) |
| ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST]], i8* align 8 [[SRC]], i64 [[SIZE]], i1 false) |
| ; CHECK-NEXT: ret void |
| ; |
| %tmp = alloca i8, i64 %size |
| %dst = alloca i8, i64 %size |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmp, i8* align 8 %src, i64 %size, i1 false) |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %tmp, i64 %size, i1 false) |
| |
| ret void |
| } |
| |
| ; Differing sizes, so left as it is. |
| define void @negative_test(i8* %src, i64 %size1, i64 %size2) { |
| ; CHECK-LABEL: @negative_test( |
| ; CHECK-NEXT: [[TMP:%.*]] = alloca i8, i64 [[SIZE1:%.*]], align 1 |
| ; CHECK-NEXT: [[DST:%.*]] = alloca i8, i64 [[SIZE2:%.*]], align 1 |
| ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TMP]], i8* align 8 [[SRC:%.*]], i64 [[SIZE1]], i1 false) |
| ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST]], i8* align 8 [[TMP]], i64 [[SIZE2]], i1 false) |
| ; CHECK-NEXT: ret void |
| ; |
| %tmp = alloca i8, i64 %size1 |
| %dst = alloca i8, i64 %size2 |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmp, i8* align 8 %src, i64 %size1, i1 false) |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %tmp, i64 %size2, i1 false) |
| |
| ret void |
| } |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i1) |
