mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +00:00
130073904f
of BasicAA::getModRefInfo. This allows BasicAA to say that two memset calls to non-aliasing memory locations don't interfere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110393 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
848 B
LLVM
27 lines
848 B
LLVM
; RUN: opt < %s -aa-eval -print-all-alias-modref-info -disable-output |& 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, i32 1, i1 false) <-> call void @llvm.memset.p0i8.i64(i8* @B, i8 0, i64 1, i32 1, i1 false)
|
|
; 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)
|
|
|
|
declare void @llvm.memset.i64(i8*, i8, i64, i32)
|
|
|
|
@A = external global i8
|
|
@B = external global i8
|
|
define void @test1() {
|
|
call void @llvm.memset.i64(i8* @A, i8 0, i64 1, i32 1)
|
|
call void @llvm.memset.i64(i8* @B, i8 0, i64 1, i32 1)
|
|
ret void
|
|
}
|