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