1; RUN: opt < %s -basicaa -memcpyopt -S | FileCheck %s
2
3target datalayout = "e"
4
5declare void @foo(i8*)
6declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
7
8define void @test() {
9  %ptr1 = alloca i8
10  %ptr2 = alloca i8
11  call void @foo(i8* %ptr2)
12  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr1, i8* %ptr2, i32 1, i32 1, i1 false)
13  call void @foo(i8* %ptr1)
14  ret void
15
16  ; Check that the transformation isn't applied if the called function can
17  ; capture the pointer argument (i.e. the nocapture attribute isn't present)
18  ; CHECK-LABEL: @test(
19  ; CHECK: call void @foo(i8* %ptr2)
20  ; CHECK-NEXT: call void @llvm.memcpy
21  ; CHECK-NEXT: call void @foo(i8* %ptr1)
22}
23