1; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4
5%struct = type { i32, i32, i32 }
6
7; CHECK-LABEL: test_simple
8
9; CHECK-DAG: MustAlias: %struct* %st, %struct* %sta
10
11; CHECK-DAG: MayAlias: %struct* %st, i32* %x
12; CHECK-DAG: MayAlias: %struct* %st, i32* %y
13; CHECK-DAG: MayAlias: %struct* %st, i32* %z
14
15; CHECK-DAG: NoAlias: i32* %x, i32* %y
16; CHECK-DAG: NoAlias: i32* %x, i32* %z
17; CHECK-DAG: NoAlias: i32* %y, i32* %z
18
19; CHECK-DAG: MayAlias: %struct* %st, %struct* %y_12
20; CHECK-DAG: MayAlias: i32* %x, %struct* %y_12
21; CHECK-DAG: MayAlias: i32* %x, i80* %y_10
22
23; CHECK-DAG: MayAlias: %struct* %st, i64* %y_8
24; CHECK-DAG: MayAlias: i64* %y_8, i32* %z
25; CHECK-DAG: NoAlias: i32* %x, i64* %y_8
26
27; CHECK-DAG: MustAlias: i32* %y, %struct* %y_12
28; CHECK-DAG: MustAlias: i32* %y, i64* %y_8
29; CHECK-DAG: MustAlias: i32* %y, i80* %y_10
30
31define void @test_simple(%struct* %st, i64 %i, i64 %j, i64 %k) {
32  %x = getelementptr inbounds %struct, %struct* %st, i64 %i, i32 0
33  %y = getelementptr inbounds %struct, %struct* %st, i64 %j, i32 1
34  %sta = call %struct* @func2(%struct* %st)
35  %z = getelementptr inbounds %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*
40  load %struct, %struct* %st
41  load %struct, %struct* %sta
42  load i32, i32* %x
43  load i32, i32* %y
44  load i32, i32* %z
45  load %struct, %struct* %y_12
46  load i80, i80* %y_10
47  load i64, i64* %y_8
48  ret void
49}
50
51declare i32* @func1(i32* returned) nounwind
52declare %struct* @func2(%struct* returned) nounwind
53
54