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      1 ; RUN: opt -S -winehprepare -sehprepare -mtriple=x86_64-windows-msvc < %s | FileCheck %s
      2 
      3 ; Test case based on this code:
      4 ;
      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;
     10 ; }
     11 ; int main() {
     12 ;   int myres = 0;
     13 ;   __try {
     14 ;     __try {
     15 ;       may_crash();
     16 ;     } __finally {
     17 ;       printf("inner finally %d\n", _abnormal_termination());
     18 ;       may_crash();
     19 ;     }
     20 ;   } __finally {
     21 ;     printf("outer finally %d\n", _abnormal_termination());
     22 ;   }
     23 ; }
     24 ;
     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.
     27 
     28 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
     29 target triple = "x86_64-pc-windows-msvc"
     30 
     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
     33 
     34 ; Function Attrs: nounwind uwtable
     35 define void @may_crash() #0 {
     36 entry:
     37   store volatile i32 42, i32* null, align 4
     38   ret void
     39 }
     40 
     41 ; Function Attrs: uwtable
     42 define i32 @main() #1 {
     43 entry:
     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
     50 
     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
     55 
     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)
     59   ret i32 0
     60 
     61 lpad:                                             ; preds = %entry
     62   %2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
     63           cleanup
     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
     71 
     72 lpad1:                                            ; preds = %lpad, %invoke.cont
     73   %6 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*)
     74           cleanup
     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
     79   br label %ehcleanup
     80 
     81 invoke.cont3:                                     ; preds = %lpad
     82   br label %ehcleanup
     83 
     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)
     87   br label %eh.resume
     88 
     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
     95 }
     96 
     97 ; CHECK-NOT: define internal void @
     98 
     99 ; CHECK-LABEL: define i32 @main()
    100 ; CHECK: invoke void @may_crash()
    101 ;
    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
    106 ;
    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
    111 
    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 @
    118 
    119 define internal void @"\01?fin$0@0@main@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) #2 {
    120 entry:
    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)
    128   ret void
    129 }
    130 
    131 declare i32 @printf(i8*, ...) #2
    132 
    133 define internal void @"\01?fin$1@0@main@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) #2 {
    134 entry:
    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()
    143   ret void
    144 }
    145 
    146 declare i32 @__C_specific_handler(...)
    147 
    148 ; Function Attrs: nounwind readnone
    149 declare i8* @llvm.frameaddress(i32) #3
    150 
    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 }
    156