1 ; RUN: llc < %s | FileCheck %s
3 ; Started from this code:
18 ; Don't tail merge the calls.
19 ; CHECK: calll _CxxThrowException
20 ; CHECK: calll _CxxThrowException
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 %1 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
58 to label %catch unwind label %catchendblock
60 catch: ; preds = %catch.dispatch
61 catchret %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 %3 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
74 to label %catch.4 unwind label %catchendblock.3
76 catch.4: ; preds = %catch.dispatch.2
77 catchret %3 to label %catchret.dest.5
79 catchret.dest.5: ; preds = %catch.4
82 try.cont.6: ; preds = %catchret.dest.5
85 catchendblock.3: ; preds = %catch.dispatch.2
86 catchendpad unwind label %catch.dispatch.7
88 catch.dispatch.7: ; preds = %catchendblock.3, %catchendblock
89 %4 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
90 to label %catch.9 unwind label %catchendblock.8
92 catch.9: ; preds = %catch.dispatch.7
93 catchret %4 to label %catchret.dest.10
95 catchret.dest.10: ; preds = %catch.9
98 try.cont.11: ; preds = %catchret.dest.10, %try.cont.6
101 catchendblock.8: ; preds = %catch.dispatch.7
102 catchendpad unwind to caller
104 catchendblock: ; preds = %catch.dispatch
105 catchendpad unwind label %catch.dispatch.7
107 unreachable: ; preds = %try.cont, %entry
111 declare x86_stdcallcc void @_CxxThrowException(i8*, %eh.ThrowInfo*)
113 declare i32 @__CxxFrameHandler3(...)
115 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" }
116 attributes #1 = { noreturn }