Mehdi Amini | 1726fc6 | 2017-01-27 16:12:22 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s |
| 2 | |
| 3 | |
| 4 | target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| 5 | target triple = "x86_64-apple-macosx10.12.0" |
| 6 | |
| 7 | %struct.blam = type { i32, i32 } |
| 8 | |
| 9 | |
| 10 | ; CHECK-DAG: MayAlias: i32* %tmp, i32* %tmp3 |
| 11 | |
| 12 | define i1 @ham(%struct.blam* %arg) { |
| 13 | %isNull = icmp eq %struct.blam* %arg, null |
| 14 | %tmp = getelementptr %struct.blam, %struct.blam* %arg, i64 0, i32 0 |
| 15 | %tmp2 = getelementptr %struct.blam, %struct.blam* %arg, i64 0, i32 1 |
| 16 | %select = select i1 %isNull, i32* null, i32* %tmp2 |
| 17 | %tmp3 = getelementptr i32, i32* %select, i32 -1 |
| 18 | ret i1 true |
| 19 | } |