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117 lines
4.4 KiB
LLVM
117 lines
4.4 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; Started from this code:
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; void f() {
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; try {
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; try {
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; throw 42;
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; } catch (int) {
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; }
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; try {
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; throw 42;
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; } catch (int) {
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; }
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; } catch (int) {
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; }
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; }
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; Don't tail merge the calls.
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; CHECK: calll __CxxThrowException@8
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; CHECK: calll __CxxThrowException@8
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; ModuleID = 'cppeh-pingpong.cpp'
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "i686-pc-windows-msvc"
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%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
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%eh.CatchableType = type { i32, i8*, i32, i32, i32, i32, i8* }
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%eh.CatchableTypeArray.1 = type { i32, [1 x %eh.CatchableType*] }
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%eh.ThrowInfo = type { i32, i8*, i8*, i8* }
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$"\01??_R0H@8" = comdat any
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$"_CT??_R0H@84" = comdat any
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$_CTA1H = comdat any
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$_TI1H = comdat any
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@"\01??_7type_info@@6B@" = external constant i8*
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@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
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@"_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
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@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x %eh.CatchableType*] [%eh.CatchableType* @"_CT??_R0H@84"] }, section ".xdata", comdat
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@_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
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define void @"\01?f@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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%i = alloca i32, align 4
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%tmp = alloca i32, align 4
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%tmp1 = alloca i32, align 4
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store i32 0, i32* %i, align 4
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store i32 42, i32* %tmp, align 4
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%0 = bitcast i32* %tmp to i8*
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invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #1
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to label %unreachable unwind label %catch.dispatch
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catch.dispatch: ; preds = %entry
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%1 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
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to label %catch unwind label %catchendblock
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catch: ; preds = %catch.dispatch
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catchret %1 to label %catchret.dest
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catchret.dest: ; preds = %catch
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br label %try.cont
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try.cont: ; preds = %catchret.dest
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store i32 42, i32* %tmp1, align 4
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%2 = bitcast i32* %tmp1 to i8*
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invoke void @_CxxThrowException(i8* %2, %eh.ThrowInfo* @_TI1H) #1
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to label %unreachable unwind label %catch.dispatch.2
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catch.dispatch.2: ; preds = %try.cont
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%3 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
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to label %catch.4 unwind label %catchendblock.3
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catch.4: ; preds = %catch.dispatch.2
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catchret %3 to label %catchret.dest.5
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catchret.dest.5: ; preds = %catch.4
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br label %try.cont.6
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try.cont.6: ; preds = %catchret.dest.5
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br label %try.cont.11
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catchendblock.3: ; preds = %catch.dispatch.2
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catchendpad unwind label %catch.dispatch.7
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catch.dispatch.7: ; preds = %catchendblock.3, %catchendblock
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%4 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i8* null]
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to label %catch.9 unwind label %catchendblock.8
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catch.9: ; preds = %catch.dispatch.7
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catchret %4 to label %catchret.dest.10
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catchret.dest.10: ; preds = %catch.9
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br label %try.cont.11
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try.cont.11: ; preds = %catchret.dest.10, %try.cont.6
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ret void
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catchendblock.8: ; preds = %catch.dispatch.7
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catchendpad unwind to caller
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catchendblock: ; preds = %catch.dispatch
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catchendpad unwind label %catch.dispatch.7
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unreachable: ; preds = %try.cont, %entry
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unreachable
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}
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declare x86_stdcallcc void @_CxxThrowException(i8*, %eh.ThrowInfo*)
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declare i32 @__CxxFrameHandler3(...)
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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" }
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attributes #1 = { noreturn }
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