1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
%struct = type { i32, i32, i32 }
; CHECK-LABEL: test_simple
; CHECK-DAG: MustAlias: %struct* %st, %struct* %sta
; CHECK-DAG: MayAlias: %struct* %st, i32* %x
; CHECK-DAG: MayAlias: %struct* %st, i32* %y
; CHECK-DAG: MayAlias: %struct* %st, i32* %z
; CHECK-DAG: NoAlias: i32* %x, i32* %y
; CHECK-DAG: NoAlias: i32* %x, i32* %z
; CHECK-DAG: NoAlias: i32* %y, i32* %z
; CHECK-DAG: MayAlias: %struct* %st, %struct* %y
; CHECK-DAG: MayAlias: i32* %x, %struct* %y
; CHECK-DAG: MayAlias: i32* %x, i80* %y
; CHECK-DAG: MayAlias: %struct* %st, i64* %ya
; CHECK-DAG: MayAlias: i64* %ya, i32* %z
; CHECK-DAG: NoAlias: i32* %x, i64* %ya
; CHECK-DAG: MustAlias: %struct* %y, i32* %y
; CHECK-DAG: MustAlias: i32* %y, i64* %ya
; CHECK-DAG: MustAlias: i80* %y, i32* %y
define void @test_simple(ptr %st, i64 %i, i64 %j, i64 %k) {
%x = getelementptr inbounds %struct, ptr %st, i64 %i, i32 0
%y = getelementptr inbounds %struct, ptr %st, i64 %j, i32 1
%sta = call ptr @func2(ptr %st)
%z = getelementptr inbounds %struct, ptr %sta, i64 %k, i32 2
%ya = call ptr @func1(ptr %y)
load %struct, ptr %st
load %struct, ptr %sta
load i32, ptr %x
load i32, ptr %y
load i32, ptr %z
load %struct, ptr %y
load i80, ptr %y
load i64, ptr %ya
ret void
}
declare ptr @func1(ptr returned) nounwind
declare ptr @func2(ptr returned) nounwind
|
