forked from OSchip/llvm-project
27 lines
872 B
LLVM
27 lines
872 B
LLVM
; 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
|
|
}
|