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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=inline %s | FileCheck %s
declare ptr @get_ptr()
declare void @capture(ptr)
define void @callee_no_capture(ptr noalias %p) {
; CHECK-LABEL: define void @callee_no_capture(
; CHECK-SAME: ptr noalias [[P:%.*]]) {
; CHECK-NEXT: [[P2:%.*]] = call ptr @get_ptr()
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[P]], align 4
; CHECK-NEXT: store i32 [[V]], ptr [[P2]], align 4
; CHECK-NEXT: ret void
;
%p2 = call ptr @get_ptr()
%v = load i32, ptr %p
store i32 %v, ptr %p2
ret void
}
define void @test_no_capture(ptr %p) {
; CHECK-LABEL: define void @test_no_capture(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata [[META0:![0-9]+]])
; CHECK-NEXT: [[P2_I:%.*]] = call ptr @get_ptr(), !noalias [[META0]]
; CHECK-NEXT: [[V_I:%.*]] = load i32, ptr [[P]], align 4, !alias.scope [[META0]]
; CHECK-NEXT: store i32 [[V_I]], ptr [[P2_I]], align 4, !noalias [[META0]]
; CHECK-NEXT: ret void
;
call void @callee_no_capture(ptr %p)
ret void
}
define void @callee_capture(ptr noalias %p) {
; CHECK-LABEL: define void @callee_capture(
; CHECK-SAME: ptr noalias [[P:%.*]]) {
; CHECK-NEXT: call void @capture(ptr [[P]])
; CHECK-NEXT: [[P2:%.*]] = call ptr @get_ptr()
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[P]], align 4
; CHECK-NEXT: store i32 [[V]], ptr [[P2]], align 4
; CHECK-NEXT: ret void
;
call void @capture(ptr %p)
%p2 = call ptr @get_ptr()
%v = load i32, ptr %p
store i32 %v, ptr %p2
ret void
}
define void @test_capture(ptr %p) {
; CHECK-LABEL: define void @test_capture(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata [[META3:![0-9]+]])
; CHECK-NEXT: call void @capture(ptr [[P]])
; CHECK-NEXT: [[P2_I:%.*]] = call ptr @get_ptr()
; CHECK-NEXT: [[V_I:%.*]] = load i32, ptr [[P]], align 4, !alias.scope [[META3]]
; CHECK-NEXT: store i32 [[V_I]], ptr [[P2_I]], align 4
; CHECK-NEXT: ret void
;
call void @callee_capture(ptr %p)
ret void
}
define void @callee_addr_only_capture(ptr noalias %p) {
; CHECK-LABEL: define void @callee_addr_only_capture(
; CHECK-SAME: ptr noalias [[P:%.*]]) {
; CHECK-NEXT: call void @capture(ptr captures(address) [[P]])
; CHECK-NEXT: [[P2:%.*]] = call ptr @get_ptr()
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[P]], align 4
; CHECK-NEXT: store i32 [[V]], ptr [[P2]], align 4
; CHECK-NEXT: ret void
;
call void @capture(ptr captures(address) %p)
%p2 = call ptr @get_ptr()
%v = load i32, ptr %p
store i32 %v, ptr %p2
ret void
}
define void @test_addr_only_capture(ptr %p) {
; CHECK-LABEL: define void @test_addr_only_capture(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata [[META6:![0-9]+]])
; CHECK-NEXT: call void @capture(ptr captures(address) [[P]])
; CHECK-NEXT: [[P2_I:%.*]] = call ptr @get_ptr(), !noalias [[META6]]
; CHECK-NEXT: [[V_I:%.*]] = load i32, ptr [[P]], align 4, !alias.scope [[META6]]
; CHECK-NEXT: store i32 [[V_I]], ptr [[P2_I]], align 4, !noalias [[META6]]
; CHECK-NEXT: ret void
;
call void @callee_addr_only_capture(ptr %p)
ret void
}
;.
; CHECK: [[META0]] = !{[[META1:![0-9]+]]}
; CHECK: [[META1]] = distinct !{[[META1]], [[META2:![0-9]+]], !"callee_no_capture: %p"}
; CHECK: [[META2]] = distinct !{[[META2]], !"callee_no_capture"}
; CHECK: [[META3]] = !{[[META4:![0-9]+]]}
; CHECK: [[META4]] = distinct !{[[META4]], [[META5:![0-9]+]], !"callee_capture: %p"}
; CHECK: [[META5]] = distinct !{[[META5]], !"callee_capture"}
; CHECK: [[META6]] = !{[[META7:![0-9]+]]}
; CHECK: [[META7]] = distinct !{[[META7]], [[META8:![0-9]+]], !"callee_addr_only_capture: %p"}
; CHECK: [[META8]] = distinct !{[[META8]], !"callee_addr_only_capture"}
;.
|
