1; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
2
3; PR1042
4define i32 @foo() {
5; CHECK: The unwind destination does not have an exception handling instruction
6	%A = invoke i32 @foo( )
7			to label %L unwind label %L		; <i32> [#uses=1]
8L:		; preds = %0, %0
9	ret i32 %A
10}
11
12; PR1042
13define i32 @bar() {
14	br i1 false, label %L1, label %L2
15L1:		; preds = %0
16	%A = invoke i32 @bar( )
17			to label %L unwind label %L		; <i32> [#uses=1]
18L2:		; preds = %0
19	br label %L
20L:		; preds = %L2, %L1, %L1
21; CHECK: The unwind destination does not have an exception handling instruction
22	ret i32 %A
23}
24
25
26declare i32 @__gxx_personality_v0(...)
27declare void @llvm.donothing()
28declare void @llvm.trap()
29declare i8 @llvm.expect.i8(i8,i8)
30declare i32 @fn(i8 (i8, i8)*)
31
32define void @f1() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
33entry:
34; OK
35  invoke void @llvm.donothing()
36  to label %conta unwind label %contb
37
38conta:
39  ret void
40
41contb:
42  %0 = landingpad { i8*, i32 }
43          filter [0 x i8*] zeroinitializer
44  ret void
45}
46
47define i8 @f2() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
48entry:
49; CHECK: Cannot invoke an intrinsic other than donothing, patchpoint, statepoint, coro_resume or coro_destroy
50  invoke void @llvm.trap()
51  to label %cont unwind label %lpad
52
53cont:
54  ret i8 3
55
56lpad:
57  %0 = landingpad { i8*, i32 }
58          filter [0 x i8*] zeroinitializer
59  ret i8 2
60}
61
62define i32 @f3() {
63entry:
64; CHECK: Cannot take the address of an intrinsic
65  %call = call i32 @fn(i8 (i8, i8)* @llvm.expect.i8)
66  ret i32 %call
67}
68
69define void @f4() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
70entry:
71  invoke void @llvm.donothing()
72  to label %cont unwind label %cont
73
74cont:
75; CHECK: Block containing LandingPadInst must be jumped to only by the unwind edge of an invoke.
76  %0 = landingpad { i8*, i32 }
77          filter [0 x i8*] zeroinitializer
78  ret void
79}
80