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
|
; RUN: llvm-as < %s | llvm-dis | llvm-as -disable-output
; PR1269
; END
; http://nondot.org/sabre/LLVMNotes/ExceptionHandlingChanges.txt
define i1 @test1(i8 %i, i8 %j) {
entry: unwinds to %target
%tmp = sub i8 %i, %j ; <i8> [#uses=1]
%b = icmp eq i8 %tmp, 0 ; <i1> [#uses=1]
ret i1 %b
target:
ret i1 false
}
define i1 @test2(i8 %i, i8 %j) {
entry:
br label %0
unwinds to %1
%tmp = sub i8 %i, %j ; <i8> [#uses=1]
%b = icmp eq i8 %tmp, 0 ; <i1> [#uses=1]
ret i1 %b
; No predecessors!
ret i1 false
}
define i1 @test3(i8 %i, i8 %j) {
entry:
br label %0
unwinds to %1
%tmp = sub i8 %i, %j ; <i8> [#uses=1]
%b = icmp eq i8 %tmp, 0 ; <i1> [#uses=1]
ret i1 %b
unwinds to %0
ret i1 false
}
define i1 @test4(i8 %i, i8 %j) {
%tmp = sub i8 %i, %j ; <i8> [#uses=1]
%b = icmp eq i8 %tmp, 0 ; <i1> [#uses=1]
br label %1
unwinds to %1
ret i1 false
}
define void @test5() {
unwind
}
define void @test6() {
entry:
br label %unwind
unwind: unwinds to %unwind
unwind
}
define i8 @test7(i1 %b) {
entry: unwinds to %cleanup
br i1 %b, label %cond_true, label %cond_false
cond_true: unwinds to %cleanup
br label %cleanup
cond_false: unwinds to %cleanup
br label %cleanup
cleanup:
%x = phi i8 [0, %entry], [1, %cond_true], [1, %cond_true],
[2, %cond_false], [2, %cond_false]
ret i8 %x
}
|
