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
|
; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
declare void @readonly_attr(i8* readonly nocapture)
declare void @writeonly_attr(i8* writeonly nocapture)
declare void @readnone_attr(i8* readnone nocapture)
declare void @readonly_func(i8* nocapture) readonly
declare void @writeonly_func(i8* nocapture) writeonly
declare void @readnone_func(i8* nocapture) readnone
declare void @read_write(i8* writeonly nocapture, i8* readonly nocapture, i8* readnone nocapture)
declare void @func()
define void @test(i8* noalias %p) {
entry:
load i8, i8* %p
call void @readonly_attr(i8* %p)
call void @readonly_func(i8* %p)
call void @writeonly_attr(i8* %p)
call void @writeonly_func(i8* %p)
call void @readnone_attr(i8* %p)
call void @readnone_func(i8* %p)
call void @read_write(i8* %p, i8* %p, i8* %p)
call void @func() ["deopt" (i8* %p)]
call void @writeonly_attr(i8* %p) ["deopt" (i8* %p)]
ret void
}
; CHECK: Just Ref (MustAlias): Ptr: i8* %p <-> call void @readonly_attr(i8* %p)
; CHECK: Just Ref: Ptr: i8* %p <-> call void @readonly_func(i8* %p)
; CHECK: Just Mod (MustAlias): Ptr: i8* %p <-> call void @writeonly_attr(i8* %p)
; CHECK: Just Mod: Ptr: i8* %p <-> call void @writeonly_func(i8* %p)
; CHECK: NoModRef: Ptr: i8* %p <-> call void @readnone_attr(i8* %p)
; CHECK: NoModRef: Ptr: i8* %p <-> call void @readnone_func(i8* %p)
; CHECK: Both ModRef: Ptr: i8* %p <-> call void @read_write(i8* %p, i8* %p, i8* %p)
; CHECK: Just Ref (MustAlias): Ptr: i8* %p <-> call void @func() [ "deopt"(i8* %p) ]
; CHECK: Both ModRef: Ptr: i8* %p <-> call void @writeonly_attr(i8* %p) [ "deopt"(i8* %p) ]
|
