1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=0 | FileCheck %s
3; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5
6define void @test(i64 %size) {
7; CHECK-LABEL: @test(
8; CHECK-NEXT:    [[SRC:%.*]] = alloca i8, i64 [[SIZE:%.*]], align 1
9; CHECK-NEXT:    [[DST:%.*]] = alloca i8, i64 [[SIZE]], align 1
10; CHECK-NEXT:    ret void
11;
12  %src = alloca i8, i64 %size
13  %dst = alloca i8, i64 %size
14  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %src, i64 %size, i1 false)
15
16  ret void
17}
18
19define void @test2(i64 %size1, i64 %size2, i64 %cpy_size) {
20; CHECK-LABEL: @test2(
21; CHECK-NEXT:    [[SRC:%.*]] = alloca i8, i64 [[SIZE1:%.*]], align 1
22; CHECK-NEXT:    [[DST:%.*]] = alloca i8, i64 [[SIZE2:%.*]], align 1
23; CHECK-NEXT:    ret void
24;
25  %src = alloca i8, i64 %size1
26  %dst = alloca i8, i64 %size2
27  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %src, i64 %cpy_size, i1 false)
28
29  ret void
30}
31
32declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i1)
33