1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
; CHECK: Just Ref: call void @ro() <-> call void @f0()
declare void @f0()
declare void @ro() readonly
define void @test0() {
call void @f0()
call void @ro()
ret void
}
; CHECK: NoModRef: call void @llvm.memset.p0i8.i64(i8* @A, i8 0, i64 1, i1 false) <-> call void @llvm.memset.p0i8.i64(i8* @B, i8 0, i64 1, i1 false)
; CHECK: NoModRef: call void @llvm.memset.p0i8.i64(i8* @B, i8 0, i64 1, i1 false) <-> call void @llvm.memset.p0i8.i64(i8* @A, i8 0, i64 1, i1 false)
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
@A = external global i8
@B = external global i8
define void @test1() {
call void @llvm.memset.p0i8.i64(i8* @A, i8 0, i64 1, i1 false)
call void @llvm.memset.p0i8.i64(i8* @B, i8 0, i64 1, i1 false)
ret void
}
|
