1 ; RUN: llc < %s | FileCheck %s
3 ; Started from this code:
18 ; Don't tail merge the calls.
19 ; CHECK: calll __CxxThrowException@8
20 ; CHECK: calll __CxxThrowException@8
22 ; ModuleID = 'cppeh-pingpong.cpp'
23 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
24 target triple = "i686-pc-windows-msvc"
26 %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
27 %eh.CatchableType = type { i32, i8*, i32, i32, i32, i32, i8* }
28 %eh.CatchableTypeArray.1 = type { i32, [1 x %eh.CatchableType*] }
29 %eh.ThrowInfo = type { i32, i8*, i8*, i8* }
31 $"\01??_R0H@8" = comdat any
33 $"_CT??_R0H@84" = comdat any
39 @"\01??_7type_info@@6B@" = external constant i8*
40 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
41 @"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32 0, i32 -1, i32 0, i32 4, i8* null }, section ".xdata", comdat
42 @_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x %eh.CatchableType*] [%eh.CatchableType* @"_CT??_R0H@84"] }, section ".xdata", comdat
43 @_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i8* null, i8* null, i8* bitcast (%eh.CatchableTypeArray.1* @_CTA1H to i8*) }, section ".xdata", comdat
45 define void @"\01?f@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
47 %i = alloca i32, align 4
48 %tmp = alloca i32, align 4
49 %tmp1 = alloca i32, align 4
50 store i32 0, i32* %i, align 4
51 store i32 42, i32* %tmp, align 4
52 %0 = bitcast i32* %tmp to i8*
53 invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #1
54 to label %unreachable unwind label %catch.dispatch
56 catch.dispatch: ; preds = %entry
57 %cs1 = catchswitch within none [label %catch] unwind label %catch.dispatch.7
59 catch: ; preds = %catch.dispatch
60 %1 = catchpad within %cs1 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
61 catchret from %1 to label %catchret.dest
63 catchret.dest: ; preds = %catch
66 try.cont: ; preds = %catchret.dest
67 store i32 42, i32* %tmp1, align 4
68 %2 = bitcast i32* %tmp1 to i8*
69 invoke void @_CxxThrowException(i8* %2, %eh.ThrowInfo* @_TI1H) #1
70 to label %unreachable unwind label %catch.dispatch.2
72 catch.dispatch.2: ; preds = %try.cont
73 %cs2 = catchswitch within none [label %catch.4] unwind label %catch.dispatch.7
75 catch.4: ; preds = %catch.dispatch.2
76 %3 = catchpad within %cs2 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
77 catchret from %3 to label %catchret.dest.5
79 catchret.dest.5: ; preds = %catch.4
82 try.cont.6: ; preds = %catchret.dest.5
86 %cs3 = catchswitch within none [label %catch.9] unwind to caller
88 catch.9: ; preds = %catch.dispatch.7
89 %4 = catchpad within %cs3 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
90 catchret from %4 to label %catchret.dest.10
92 catchret.dest.10: ; preds = %catch.9
95 try.cont.11: ; preds = %catchret.dest.10, %try.cont.6
98 unreachable: ; preds = %try.cont, %entry
102 declare x86_stdcallcc void @_CxxThrowException(i8*, %eh.ThrowInfo*)
104 declare i32 @__CxxFrameHandler3(...)
106 attributes #0 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
107 attributes #1 = { noreturn }