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
|
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=syncscopes --test FileCheck --test-arg --check-prefixes=INTERESTING,CHECK --test-arg %s --test-arg --input-file %s -o %t
; RUN: FileCheck -check-prefixes=RESULT,CHECK %s < %t
; CHECK-LABEL: @load_syncscope_keep(
; INTERESTING: syncscope("agent")
; RESULT: %op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4
define i32 @load_syncscope_keep(ptr %ptr) {
%op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4
ret i32 %op
}
; CHECK-LABEL: @load_syncscope_drop(
; INTERESTING: load atomic
; RESULT: %op = load atomic i32, ptr %ptr seq_cst, align 4
define i32 @load_syncscope_drop(ptr %ptr) {
%op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4
ret i32 %op
}
; CHECK-LABEL: @store_syncscope_keep(
; INTERESTING: syncscope("agent")
; RESULT: store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4
define void @store_syncscope_keep(ptr %ptr) {
store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4
ret void
}
; CHECK-LABEL: @store_syncscope_drop(
; INTERESTING: store
; RESULT: store atomic i32 0, ptr %ptr seq_cst, align 4
define void @store_syncscope_drop(ptr %ptr) {
store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4
ret void
}
; CHECK-LABEL: @atomicrmw_syncscope_keep(
; INTERESTING: syncscope("agent")
; RESULT: %val = atomicrmw add ptr %ptr, i32 3 syncscope("agent") seq_cst, align 4
define i32 @atomicrmw_syncscope_keep(ptr %ptr) {
%val = atomicrmw add ptr %ptr, i32 3 syncscope("agent") seq_cst, align 4
ret i32 %val
}
; CHECK-LABEL: @atomicrmw_syncscope_drop(
; INTERESTING: atomicrmw
; RESULT: %val = atomicrmw add ptr %ptr, i32 3 seq_cst, align 4
define i32 @atomicrmw_syncscope_drop(ptr %ptr) {
%val = atomicrmw add ptr %ptr, i32 3 seq_cst
ret i32 %val
}
; CHECK-LABEL: @cmpxchg_syncscope_keep(
; INTERESTING: syncscope("agent")
; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst, align 4
define { i32, i1 } @cmpxchg_syncscope_keep(ptr %ptr, i32 %old, i32 %in) {
%val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst
ret { i32, i1 } %val
}
; CHECK-LABEL: @cmpxchg_syncscope_drop(
; INTERESTING: = cmpxchg ptr
; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in seq_cst seq_cst, align 4
define { i32, i1 } @cmpxchg_syncscope_drop(ptr %ptr, i32 %old, i32 %in) {
%val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst
ret { i32, i1 } %val
}
; CHECK-LABEL: @fence_syncscope_keep(
; INTERESTING: syncscope("agent")
; RESULT: fence syncscope("agent") acquire
define void @fence_syncscope_keep() {
fence syncscope("agent") acquire
ret void
}
; CHECK-LABEL: @fence_syncscope_drop(
; INTERESTING: fence
; RESULT: fence acquire
define void @fence_syncscope_drop() {
fence syncscope("agent") acquire
ret void
}
|