xref: /llvm-project/llvm/test/Analysis/BasicAA/pr31761.ll (revision 303c308e452c703c3d47940383ded3b2d3eefd56)
1; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
2
3
4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-apple-macosx10.12.0"
6
7%struct.blam = type { i32, i32 }
8
9
10; CHECK-DAG: MayAlias: i32* %arg, i32* %tmp3
11
12define i1 @ham(ptr %arg)  {
13  %isNull = icmp eq ptr %arg, null
14  %tmp2 = getelementptr  %struct.blam, ptr %arg, i64 0, i32 1
15  %select = select i1 %isNull, ptr null, ptr %tmp2
16  %tmp3 = getelementptr  i32, ptr %select, i32 -1
17  load i32, ptr %arg
18  load i32, ptr %tmp3
19  ret i1 true
20}
21