blob: 12b088b1f6518adfe0c24854d44789f263171731 [file] [log] [blame]
Dan Gohman3dcc91e2010-08-04 22:56:29 +00001; RUN: opt < %s -aa-eval -print-all-alias-modref-info -disable-output |& FileCheck %s
2
Dan Gohman13007392010-08-05 23:34:50 +00003
Dan Gohman907857d2010-08-04 23:37:55 +00004; CHECK: Just Ref: call void @ro() <-> call void @f0()
Dan Gohman3dcc91e2010-08-04 22:56:29 +00005
6declare void @f0()
7declare void @ro() readonly
8
Dan Gohman13007392010-08-05 23:34:50 +00009define void @test0() {
Dan Gohman3dcc91e2010-08-04 22:56:29 +000010 call void @f0()
11 call void @ro()
12 ret void
13}
Dan Gohman13007392010-08-05 23:34:50 +000014
15; CHECK: NoModRef: call void @llvm.memset.p0i8.i64(i8* @A, i8 0, i64 1, i32 1, i1 false) <-> call void @llvm.memset.p0i8.i64(i8* @B, i8 0, i64 1, i32 1, i1 false)
16; CHECK: NoModRef: call void @llvm.memset.p0i8.i64(i8* @B, i8 0, i64 1, i32 1, i1 false) <-> call void @llvm.memset.p0i8.i64(i8* @A, i8 0, i64 1, i32 1, i1 false)
17
18declare void @llvm.memset.i64(i8*, i8, i64, i32)
19
20@A = external global i8
21@B = external global i8
22define void @test1() {
23 call void @llvm.memset.i64(i8* @A, i8 0, i64 1, i32 1)
24 call void @llvm.memset.i64(i8* @B, i8 0, i64 1, i32 1)
25 ret void
26}