blob: 5fd5bea7e5faae373babb9499129ba321a6c86a6 (
plain)
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
104
105
106
107
108
109
110
|
; RUN: opt %s -S -place-safepoints | FileCheck %s
declare i64 addrspace(1)* @"some_call"(i64 addrspace(1)*)
declare i32 @"personality_function"()
define i64 addrspace(1)* @test_basic(i64 addrspace(1)* %obj, i64 addrspace(1)* %obj1) gc "statepoint-example" {
; CHECK-LABEL: entry:
entry:
; CHECK: invoke
; CHECK: statepoint
; CHECK: some_call
%ret_val = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %obj)
to label %normal_return unwind label %exceptional_return
; CHECK-LABEL: normal_return:
; CHECK: gc.result
; CHECK: ret i64
normal_return:
ret i64 addrspace(1)* %ret_val
; CHECK-LABEL: exceptional_return:
; CHECK: landingpad
; CHECK: ret i64
exceptional_return:
%landing_pad4 = landingpad {i8*, i32} personality i32 ()* @"personality_function"
cleanup
ret i64 addrspace(1)* %obj1
}
define i64 addrspace(1)* @test_two_invokes(i64 addrspace(1)* %obj, i64 addrspace(1)* %obj1) gc "statepoint-example" {
; CHECK-LABEL: entry:
entry:
; CHECK: invoke
; CHECK: statepoint
; CHECK: some_call
%ret_val1 = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %obj)
to label %second_invoke unwind label %exceptional_return
; CHECK-LABEL: second_invoke:
second_invoke:
; CHECK: invoke
; CHECK: statepoint
; CHECK: some_call
%ret_val2 = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %ret_val1)
to label %normal_return unwind label %exceptional_return
; CHECK-LABEL: normal_return:
normal_return:
; CHECK: gc.result
; CHECK: ret i64
ret i64 addrspace(1)* %ret_val2
; CHECK: exceptional_return:
; CHECK: ret i64
exceptional_return:
%landing_pad4 = landingpad {i8*, i32} personality i32 ()* @"personality_function"
cleanup
ret i64 addrspace(1)* %obj1
}
define i64 addrspace(1)* @test_phi_node(i1 %cond, i64 addrspace(1)* %obj) gc "statepoint-example" {
; CHECK-LABEL: entry:
entry:
br i1 %cond, label %left, label %right
left:
%ret_val_left = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %obj)
to label %merge unwind label %exceptional_return
right:
%ret_val_right = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %obj)
to label %merge unwind label %exceptional_return
; CHECK-LABEL: merge1:
; CHECK: gc.result
; CHECK: br label %merge
; CHECK-LABEL: merge3:
; CHECK: gc.result
; CHECK: br label %merge
; CHECK-LABEL: merge:
; CHECK: phi
; CHECK: ret i64 addrspace(1)* %ret_val
merge:
%ret_val = phi i64 addrspace(1)* [%ret_val_left, %left], [%ret_val_right, %right]
ret i64 addrspace(1)* %ret_val
; CHECK-LABEL: exceptional_return:
; CHECK: ret i64 addrspace(1)*
exceptional_return:
%landing_pad4 = landingpad {i8*, i32} personality i32 ()* @"personality_function"
cleanup
ret i64 addrspace(1)* %obj
}
declare void @do_safepoint()
define void @gc.safepoint_poll() {
; CHECK-LABEL: gc.safepoint_poll
; CHECK-LABEL: entry
; CHECK-NEXT: do_safepoint
; CHECK-NEXT: ret void
entry:
call void @do_safepoint()
ret void
}
|