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 { ptr, ptr, [3 x i8] }
27 %eh.CatchableType = type { i32, ptr, i32, i32, i32, i32, ptr }
28 %eh.CatchableTypeArray.1 = type { i32, [1 x ptr] }
29 %eh.ThrowInfo = type { i32, ptr, ptr, ptr }
31 $"\01??_R0H@8" = comdat any
33 $"_CT??_R0H@84" = comdat any
39 @"\01??_7type_info@@6B@" = external constant ptr
40 @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { ptr @"\01??_7type_info@@6B@", ptr null, [3 x i8] c".H\00" }, comdat
41 @"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, ptr @"\01??_R0H@8", i32 0, i32 -1, i32 0, i32 4, ptr null }, section ".xdata", comdat
42 @_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x ptr] [ptr @"_CT??_R0H@84"] }, section ".xdata", comdat
43 @_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, ptr null, ptr null, ptr @_CTA1H }, section ".xdata", comdat
45 define void @"\01?f@@YAXXZ"() #0 personality ptr @__CxxFrameHandler3 {
47 %i = alloca i32, align 4
48 %tmp = alloca i32, align 4
49 %tmp1 = alloca i32, align 4
50 store i32 0, ptr %i, align 4
51 store i32 42, ptr %tmp, align 4
52 invoke void @_CxxThrowException(ptr %tmp, ptr @_TI1H) #1
53 to label %unreachable unwind label %catch.dispatch
55 catch.dispatch: ; preds = %entry
56 %cs1 = catchswitch within none [label %catch] unwind label %catch.dispatch.7
58 catch: ; preds = %catch.dispatch
59 %0 = catchpad within %cs1 [ptr @"\01??_R0H@8", i32 0, ptr null]
60 catchret from %0 to label %catchret.dest
62 catchret.dest: ; preds = %catch
65 try.cont: ; preds = %catchret.dest
66 store i32 42, ptr %tmp1, align 4
67 invoke void @_CxxThrowException(ptr %tmp1, ptr @_TI1H) #1
68 to label %unreachable unwind label %catch.dispatch.2
70 catch.dispatch.2: ; preds = %try.cont
71 %cs2 = catchswitch within none [label %catch.4] unwind label %catch.dispatch.7
73 catch.4: ; preds = %catch.dispatch.2
74 %1 = catchpad within %cs2 [ptr @"\01??_R0H@8", i32 0, ptr null]
75 catchret from %1 to label %catchret.dest.5
77 catchret.dest.5: ; preds = %catch.4
80 try.cont.6: ; preds = %catchret.dest.5
84 %cs3 = catchswitch within none [label %catch.9] unwind to caller
86 catch.9: ; preds = %catch.dispatch.7
87 %2 = catchpad within %cs3 [ptr @"\01??_R0H@8", i32 0, ptr null]
88 catchret from %2 to label %catchret.dest.10
90 catchret.dest.10: ; preds = %catch.9
93 try.cont.11: ; preds = %catchret.dest.10, %try.cont.6
96 unreachable: ; preds = %try.cont, %entry
100 declare x86_stdcallcc void @_CxxThrowException(ptr, ptr)
102 declare i32 @__CxxFrameHandler3(...)
104 attributes #0 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
105 attributes #1 = { noreturn }