1 ; RUN: opt -S -winehprepare -sehprepare -mtriple=x86_64-windows-msvc < %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:w-i64:64-f80:128-n8:16:32:64-S128"
29 target triple = "x86_64-pc-windows-msvc"
31 @str_outer_finally = linkonce_odr unnamed_addr constant [18 x i8] c"outer finally %d\0A\00", align 1
32 @str_inner_finally = linkonce_odr unnamed_addr constant [18 x i8] c"inner finally %d\0A\00", align 1
34 ; Function Attrs: nounwind uwtable
35 define void @may_crash() #0 {
37 store volatile i32 42, i32* null, align 4
41 ; Function Attrs: uwtable
42 define i32 @main() #1 {
44 %myres = alloca i32, align 4
45 %exn.slot = alloca i8*
46 %ehselector.slot = alloca i32
47 store i32 0, i32* %myres, align 4
48 invoke void @may_crash() #4
49 to label %invoke.cont unwind label %lpad
51 invoke.cont: ; preds = %entry
52 %0 = call i8* @llvm.frameaddress(i32 0)
53 invoke void @"\01?fin$1@0@main@@"(i1 zeroext false, i8* %0) #4
54 to label %invoke.cont2 unwind label %lpad1
56 invoke.cont2: ; preds = %invoke.cont
57 %1 = call i8* @llvm.frameaddress(i32 0)
58 call void @"\01?fin$0@0@main@@"(i1 zeroext false, i8* %1)
61 lpad: ; preds = %entry
62 %2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
64 %3 = extractvalue { i8*, i32 } %2, 0
65 store i8* %3, i8** %exn.slot
66 %4 = extractvalue { i8*, i32 } %2, 1
67 store i32 %4, i32* %ehselector.slot
68 %5 = call i8* @llvm.frameaddress(i32 0)
69 invoke void @"\01?fin$1@0@main@@"(i1 zeroext true, i8* %5) #4
70 to label %invoke.cont3 unwind label %lpad1
72 lpad1: ; preds = %lpad, %invoke.cont
73 %6 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
75 %7 = extractvalue { i8*, i32 } %6, 0
76 store i8* %7, i8** %exn.slot
77 %8 = extractvalue { i8*, i32 } %6, 1
78 store i32 %8, i32* %ehselector.slot
81 invoke.cont3: ; preds = %lpad
84 ehcleanup: ; preds = %invoke.cont3, %lpad1
85 %9 = call i8* @llvm.frameaddress(i32 0)
86 call void @"\01?fin$0@0@main@@"(i1 zeroext true, i8* %9)
89 eh.resume: ; preds = %ehcleanup
90 %exn = load i8*, i8** %exn.slot
91 %sel = load i32, i32* %ehselector.slot
92 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
93 %lpad.val4 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1
94 resume { i8*, i32 } %lpad.val4
97 ; CHECK-NOT: define internal void @
99 ; CHECK-LABEL: define i32 @main()
100 ; CHECK: invoke void @may_crash()
102 ; CHECK: landingpad { i8*, i32 }
103 ; CHECK-NEXT: cleanup
104 ; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void (i1, i8*)* @"\01?fin$1@0@main@@", i32 0, void (i1, i8*)* @"\01?fin$0@0@main@@")
105 ; CHECK-NEXT: indirectbr
107 ; CHECK: landingpad { i8*, i32 }
108 ; CHECK-NEXT: cleanup
109 ; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void (i1, i8*)* @"\01?fin$0@0@main@@")
110 ; CHECK-NEXT: indirectbr
112 ; There should not be any *new* cleanup helpers, just the existing ones.
113 ; CHECK-NOT: define internal void @
114 ; CHECK: define internal void @"\01?fin$0@0@main@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer)
115 ; CHECK-NOT: define internal void @
116 ; CHECK: define internal void @"\01?fin$1@0@main@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer)
117 ; CHECK-NOT: define internal void @
119 define internal void @"\01?fin$0@0@main@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) #2 {
121 %frame_pointer.addr = alloca i8*, align 8
122 %abnormal_termination.addr = alloca i8, align 1
123 store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
124 %frombool = zext i1 %abnormal_termination to i8
125 store i8 %frombool, i8* %abnormal_termination.addr, align 1
126 %0 = zext i1 %abnormal_termination to i32
127 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @str_outer_finally, i32 0, i32 0), i32 %0)
131 declare i32 @printf(i8*, ...) #2
133 define internal void @"\01?fin$1@0@main@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) #2 {
135 %frame_pointer.addr = alloca i8*, align 8
136 %abnormal_termination.addr = alloca i8, align 1
137 store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
138 %frombool = zext i1 %abnormal_termination to i8
139 store i8 %frombool, i8* %abnormal_termination.addr, align 1
140 %0 = zext i1 %abnormal_termination to i32
141 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @str_inner_finally, i32 0, i32 0), i32 %0)
142 call void @may_crash()
146 declare i32 @__C_specific_handler(...)
148 ; Function Attrs: nounwind readnone
149 declare i8* @llvm.frameaddress(i32) #3
151 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
152 attributes #1 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
153 attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
154 attributes #3 = { nounwind readnone }
155 attributes #4 = { noinline }