1 ; RUN: opt -S -winehprepare < %s | FileCheck %s
3 ; Test case based on this code:
5 ; extern "C" int _abnormal_termination();
6 ; #pragma intrinsic(_abnormal_termination)
7 ; extern "C" int printf(const char *, ...);
8 ; extern "C" void may_crash() {
9 ; *(volatile int *)0 = 42;
17 ; printf("inner finally %d\n", _abnormal_termination());
21 ; printf("outer finally %d\n", _abnormal_termination());
25 ; Note that if the inner finally crashes, the outer finally still runs. There
26 ; is nothing like a std::terminate call in this situation.
28 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
29 target triple = "i686-pc-windows-msvc"
31 $"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@" = comdat any
33 $"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@" = comdat any
35 @"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [18 x i8] c"outer finally %d\0A\00", comdat, align 1
36 @"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [18 x i8] c"inner finally %d\0A\00", comdat, align 1
38 ; Function Attrs: nounwind
39 define void @may_crash() #0 {
41 store volatile i32 42, i32* null, align 4
45 ; Function Attrs: nounwind
46 define i32 @main() #0 personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
48 %myres = alloca i32, align 4
49 %exn.slot = alloca i8*
50 %ehselector.slot = alloca i32
51 store i32 0, i32* %myres, align 4
52 invoke void @may_crash() #4
53 to label %invoke.cont unwind label %lpad
55 invoke.cont: ; preds = %entry
56 %0 = call i8* @llvm.frameaddress(i32 0)
57 invoke void @"\01?fin$1@0@main@@"(i8 zeroext 0, i8* %0) #4
58 to label %invoke.cont.2 unwind label %lpad.1
60 invoke.cont.2: ; preds = %invoke.cont
61 %1 = call i8* @llvm.frameaddress(i32 0)
62 call void @"\01?fin$0@0@main@@"(i8 zeroext 0, i8* %1)
65 lpad: ; preds = %entry
66 %2 = landingpad { i8*, i32 }
68 %3 = extractvalue { i8*, i32 } %2, 0
69 store i8* %3, i8** %exn.slot
70 %4 = extractvalue { i8*, i32 } %2, 1
71 store i32 %4, i32* %ehselector.slot
72 %5 = call i8* @llvm.frameaddress(i32 0)
73 invoke void @"\01?fin$1@0@main@@"(i8 zeroext 1, i8* %5) #4
74 to label %invoke.cont.3 unwind label %lpad.1
76 lpad.1: ; preds = %lpad, %invoke.cont
77 %6 = landingpad { i8*, i32 }
79 %7 = extractvalue { i8*, i32 } %6, 0
80 store i8* %7, i8** %exn.slot
81 %8 = extractvalue { i8*, i32 } %6, 1
82 store i32 %8, i32* %ehselector.slot
85 invoke.cont.3: ; preds = %lpad
88 ehcleanup: ; preds = %invoke.cont.3, %lpad.1
89 %9 = call i8* @llvm.frameaddress(i32 0)
90 call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %9)
93 eh.resume: ; preds = %ehcleanup
94 %exn = load i8*, i8** %exn.slot
95 %sel = load i32, i32* %ehselector.slot
96 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
97 %lpad.val.4 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1
98 resume { i8*, i32 } %lpad.val.4
101 ; CHECK-LABEL: define i32 @main()
102 ; CHECK: invoke void @may_crash()
104 ; CHECK: landingpad { i8*, i32 }
105 ; CHECK-NEXT: cleanup
106 ; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ()* @main.cleanup)
107 ; CHECK-NEXT: indirectbr
109 ; CHECK: landingpad { i8*, i32 }
110 ; CHECK-NEXT: cleanup
111 ; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ()* @main.cleanup.1)
112 ; CHECK-NEXT: indirectbr
114 ; CHECK-LABEL: define internal void @main.cleanup()
115 ; CHECK: call i8* @llvm.frameaddress(i32 1)
116 ; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %{{.*}})
117 ; CHECK: call void @"\01?fin$1@0@main@@"(i8 zeroext 1, i8* %{{.*}})
118 ; CHECK: call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %{{.*}})
120 ; CHECK-LABEL: define internal void @main.cleanup.1()
121 ; CHECK: call i8* @llvm.frameaddress(i32 1)
122 ; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %{{.*}})
123 ; CHECK: call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %{{.*}})
125 ; Function Attrs: noinline nounwind
126 define internal void @"\01?fin$0@0@main@@"(i8 zeroext %abnormal_termination, i8* %frame_pointer) #1 {
128 %frame_pointer.addr = alloca i8*, align 4
129 %abnormal_termination.addr = alloca i8, align 1
130 %0 = call i8* @llvm.frameaddress(i32 1)
131 %1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
132 store i8* %frame_pointer, i8** %frame_pointer.addr, align 4
133 store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
134 %2 = zext i8 %abnormal_termination to i32
135 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@", i32 0, i32 0), i32 %2)
139 ; Function Attrs: nounwind readnone
140 declare i8* @llvm.frameaddress(i32) #2
142 ; Function Attrs: nounwind readnone
143 declare i8* @llvm.x86.seh.recoverfp(i8*, i8*) #2
145 declare i32 @printf(i8*, ...) #3
147 ; Function Attrs: noinline nounwind
148 define internal void @"\01?fin$1@0@main@@"(i8 zeroext %abnormal_termination, i8* %frame_pointer) #1 {
150 %frame_pointer.addr = alloca i8*, align 4
151 %abnormal_termination.addr = alloca i8, align 1
152 %0 = call i8* @llvm.frameaddress(i32 1)
153 %1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
154 store i8* %frame_pointer, i8** %frame_pointer.addr, align 4
155 store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
156 %2 = zext i8 %abnormal_termination to i32
157 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@", i32 0, i32 0), i32 %2)
158 call void @may_crash()
162 declare i32 @_except_handler3(...)
164 attributes #0 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
165 attributes #1 = { noinline nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
166 attributes #2 = { nounwind readnone }
167 attributes #3 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
168 attributes #4 = { noinline }
172 !0 = !{!"clang version 3.7.0 "}