1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -basic-aa -memcpyopt -S -enable-memcpyopt-memoryssa=0 | FileCheck %s
3; RUN: opt < %s -basic-aa -memcpyopt -S -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
4
5target datalayout = "e"
6
7declare void @foo(i8*)
8declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind
9
10define void @test() {
11; CHECK-LABEL: @test(
12; CHECK-NEXT:    [[PTR1:%.*]] = alloca i8, align 1
13; CHECK-NEXT:    [[PTR2:%.*]] = alloca i8, align 1
14; CHECK-NEXT:    call void @foo(i8* [[PTR2]])
15; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[PTR1]], i8* [[PTR2]], i32 1, i1 false)
16; CHECK-NEXT:    call void @foo(i8* [[PTR1]])
17; CHECK-NEXT:    ret void
18;
19  %ptr1 = alloca i8
20  %ptr2 = alloca i8
21  call void @foo(i8* %ptr2)
22  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr1, i8* %ptr2, i32 1, i1 false)
23  call void @foo(i8* %ptr1)
24  ret void
25
26  ; Check that the transformation isn't applied if the called function can
27  ; capture the pointer argument (i.e. the nocapture attribute isn't present)
28}
29