1 ; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 %struct = type { i32, i32, i32 }
7 ; CHECK-LABEL: test_simple
9 ; CHECK-DAG: MustAlias: %struct* %st, %struct* %sta
11 ; CHECK-DAG: MayAlias: %struct* %st, i32* %x
12 ; CHECK-DAG: MayAlias: %struct* %st, i32* %y
13 ; CHECK-DAG: MayAlias: %struct* %st, i32* %z
15 ; CHECK-DAG: NoAlias: i32* %x, i32* %y
16 ; CHECK-DAG: NoAlias: i32* %x, i32* %z
17 ; CHECK-DAG: NoAlias: i32* %y, i32* %z
19 ; CHECK-DAG: MayAlias: %struct* %st, %struct* %y_12
20 ; CHECK-DAG: MayAlias: %struct* %y_12, i32* %x
21 ; CHECK-DAG: MayAlias: i32* %x, i80* %y_10
23 ; CHECK-DAG: MayAlias: %struct* %st, i64* %y_8
24 ; CHECK-DAG: MayAlias: i32* %z, i64* %y_8
25 ; CHECK-DAG: NoAlias: i32* %x, i64* %y_8
27 ; CHECK-DAG: MustAlias: %struct* %y_12, i32* %y
28 ; CHECK-DAG: MustAlias: i32* %y, i64* %y_8
29 ; CHECK-DAG: MustAlias: i32* %y, i80* %y_10
31 define void @test_simple(%struct* %st, i64 %i, i64 %j, i64 %k) {
32 %x = getelementptr %struct, %struct* %st, i64 %i, i32 0
33 %y = getelementptr %struct, %struct* %st, i64 %j, i32 1
34 %sta = call %struct* @func2(%struct* %st)
35 %z = getelementptr %struct, %struct* %sta, i64 %k, i32 2
36 %y_12 = bitcast i32* %y to %struct*
37 %y_10 = bitcast i32* %y to i80*
38 %ya = call i32* @func1(i32* %y)
39 %y_8 = bitcast i32* %ya to i64*
43 declare i32* @func1(i32* returned) nounwind
44 declare %struct* @func2(%struct* returned) nounwind