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https://github.com/c64scene-ar/llvm-6502.git
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cc714e2142
The personality routine currently lives in the LandingPadInst. This isn't desirable because: - All LandingPadInsts in the same function must have the same personality routine. This means that each LandingPadInst beyond the first has an operand which produces no additional information. - There is ongoing work to introduce EH IR constructs other than LandingPadInst. Moving the personality routine off of any one particular Instruction and onto the parent function seems a lot better than have N different places a personality function can sneak onto an exceptional function. Differential Revision: http://reviews.llvm.org/D10429 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239940 91177308-0d34-0410-b5e6-96231b3b80d8
290 lines
12 KiB
LLVM
290 lines
12 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; This test was generated from the following code.
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;
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; void test() {
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; try {
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; try {
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; try {
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; two();
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; throw 2;
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; } catch (int x) {
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; catch_two();
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; }
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; a();
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; throw 'a';
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; } catch (char c) {
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; catch_a();
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; }
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; one();
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; throw 1;
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; } catch(int x) {
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; catch_one();
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; } catch(...) {
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; catch_all();
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; }
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; }
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;
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; The function calls before the throws were declared as 'noexcept' and are
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; just here to make blocks easier to identify in the IR.
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; ModuleID = '<stdin>'
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
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%eh.CatchHandlerType = type { i32, i8* }
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%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
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%eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
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%eh.ThrowInfo = type { i32, i32, i32, i32 }
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$"\01??_R0H@8" = comdat any
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$"\01??_R0D@8" = comdat any
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$"_CT??_R0H@84" = comdat any
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$_CTA1H = comdat any
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$_TI1H = comdat any
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$"_CT??_R0D@81" = comdat any
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$_CTA1D = comdat any
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$_TI1D = 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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@llvm.eh.handlertype.H.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
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@"\01??_R0D@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".D\00" }, comdat
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@llvm.eh.handlertype.D.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i8*) }, section "llvm.metadata"
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@__ImageBase = external constant i8
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@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
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@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0H@84" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
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@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1H to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
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@"_CT??_R0D@81" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 1, i32 0 }, section ".xdata", comdat
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@_CTA1D = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0D@81" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
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@_TI1D = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1D to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
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; Function Attrs: nounwind uwtable
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define void @"\01?test@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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%tmp = alloca i32, align 4
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%x = alloca i32, align 4
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%tmp2 = alloca i8, align 1
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%c = alloca i8, align 1
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%tmp11 = alloca i32, align 4
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%x21 = alloca i32, align 4
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call void @"\01?two@@YAXXZ"() #3
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store i32 2, i32* %tmp
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%0 = bitcast i32* %tmp to i8*
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call void (...) @llvm.frameescape(i32* %x, i8* %c, i32* %x21)
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invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #5
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to label %unreachable unwind label %lpad
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lpad: ; preds = %entry
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%1 = landingpad { i8*, i32 }
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catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.D.0
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
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catch i8* null
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%recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch", i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1", i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch2", i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch3")
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indirectbr i8* %recover, [label %try.cont, label %try.cont10, label %try.cont22]
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try.cont: ; preds = %lpad
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call void @"\01?a@@YAXXZ"() #3
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store i8 97, i8* %tmp2
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invoke void @_CxxThrowException(i8* %tmp2, %eh.ThrowInfo* @_TI1D) #5
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to label %unreachable unwind label %lpad3
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lpad3: ; preds = %try.cont
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%2 = landingpad { i8*, i32 }
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.D.0
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
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catch i8* null
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%recover1 = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*), i32 1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch1", i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch2", i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch3")
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indirectbr i8* %recover1, [label %try.cont10, label %try.cont22]
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try.cont10: ; preds = %lpad3, %lpad
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call void @"\01?one@@YAXXZ"() #3
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store i32 1, i32* %tmp11
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%3 = bitcast i32* %tmp11 to i8*
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invoke void @_CxxThrowException(i8* %3, %eh.ThrowInfo* @_TI1H) #5
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to label %unreachable unwind label %lpad12
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lpad12: ; preds = %try.cont10
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%4 = landingpad { i8*, i32 }
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
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catch i8* null
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%recover2 = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 2, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch2", i32 1, i8* null, i32 -1, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch3")
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indirectbr i8* %recover2, [label %try.cont22]
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try.cont22: ; preds = %lpad12, %lpad3, %lpad
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ret void
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unreachable: ; preds = %try.cont10, %try.cont, %entry
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unreachable
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}
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; Function Attrs: nounwind
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declare void @"\01?two@@YAXXZ"() #1
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declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
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declare i32 @__CxxFrameHandler3(...)
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*) #2
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; Function Attrs: nounwind
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declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
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; Function Attrs: nounwind
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declare void @"\01?catch_two@@YAXXZ"() #1
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; Function Attrs: nounwind
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declare void @llvm.eh.endcatch() #3
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; Function Attrs: nounwind
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declare void @"\01?a@@YAXXZ"() #1
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; Function Attrs: nounwind
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declare void @"\01?catch_a@@YAXXZ"() #1
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; Function Attrs: nounwind
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declare void @"\01?one@@YAXXZ"() #1
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; Function Attrs: nounwind
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declare void @"\01?catch_all@@YAXXZ"() #1
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; Function Attrs: nounwind
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declare void @"\01?catch_one@@YAXXZ"() #1
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; Function Attrs: nounwind
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declare i8* @llvm.eh.actions(...) #3
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define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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%x.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
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%x = bitcast i8* %x.i8 to i32*
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%2 = bitcast i32* %x to i8*
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call void @"\01?catch_two@@YAXXZ"() #3
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invoke void @llvm.donothing()
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to label %entry.split unwind label %stub
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entry.split: ; preds = %entry
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ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont)
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stub: ; preds = %entry
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%3 = landingpad { i8*, i32 }
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cleanup
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%recover = call i8* (...) @llvm.eh.actions()
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unreachable
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.donothing() #2
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define internal i8* @"\01?test@@YAXXZ.catch1"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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call void @"\01?catch_a@@YAXXZ"() #3
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invoke void @llvm.donothing()
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to label %entry.split unwind label %stub
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entry.split: ; preds = %entry
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ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
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stub: ; preds = %entry
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%2 = landingpad { i8*, i32 }
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cleanup
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%recover = call i8* (...) @llvm.eh.actions()
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unreachable
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}
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define internal i8* @"\01?test@@YAXXZ.catch2"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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%x21.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2)
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%x21 = bitcast i8* %x21.i8 to i32*
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%2 = bitcast i32* %x21 to i8*
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call void @"\01?catch_one@@YAXXZ"() #3
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invoke void @llvm.donothing()
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to label %entry.split unwind label %stub
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entry.split: ; preds = %entry
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ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont22)
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stub: ; preds = %entry
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%3 = landingpad { i8*, i32 }
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cleanup
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%recover = call i8* (...) @llvm.eh.actions()
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unreachable
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}
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define internal i8* @"\01?test@@YAXXZ.catch3"(i8*, i8*) #4 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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call void @"\01?catch_all@@YAXXZ"() #3
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invoke void @llvm.donothing()
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to label %entry.split unwind label %stub
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entry.split: ; preds = %entry
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ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont22)
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stub: ; preds = %entry
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%2 = landingpad { i8*, i32 }
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cleanup
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%recover = call i8* (...) @llvm.eh.actions()
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unreachable
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}
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; Function Attrs: nounwind
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declare void @llvm.frameescape(...) #3
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; Function Attrs: nounwind readnone
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declare i8* @llvm.framerecover(i8*, i8*, i32) #2
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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" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" "wineh-parent"="?test@@YAXXZ" }
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attributes #1 = { nounwind "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" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone }
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attributes #3 = { nounwind }
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attributes #4 = { "wineh-parent"="?test@@YAXXZ" }
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attributes #5 = { noreturn }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"PIC Level", i32 2}
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!1 = !{!"clang version 3.7.0 (trunk 236059)"}
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; CHECK-LABEL: "$cppxdata$?test@@YAXXZ":
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; CHECK-NEXT: .long 429065506
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; CHECK-NEXT: .long
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; CHECK-NEXT: .long ("$stateUnwindMap$?test@@YAXXZ")@IMGREL
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; CHECK-NEXT: .long
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; CHECK-NEXT: .long ("$tryMap$?test@@YAXXZ")@IMGREL
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; CHECK-NEXT: .long
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; CHECK-NEXT: .long ("$ip2state$?test@@YAXXZ")@IMGREL
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; CHECK-NEXT: .long 40
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 1
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; CHECK: "$stateUnwindMap$?test@@YAXXZ":
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; CHECK: "$tryMap$?test@@YAXXZ":
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; CHECK: "$handlerMap$0$?test@@YAXXZ":
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; CHECK: "$ip2state$?test@@YAXXZ":
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; CHECK-NEXT: .long .Lfunc_begin0@IMGREL
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; CHECK-NEXT: .long -1
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; CHECK-NEXT: .long .Ltmp0@IMGREL
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; CHECK-NEXT: .long 2
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; CHECK-NEXT: .long .Ltmp3@IMGREL
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long .Ltmp6@IMGREL
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long .Lfunc_begin1@IMGREL
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; CHECK-NEXT: .long 3
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; CHECK-NEXT: .long .Lfunc_begin2@IMGREL
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; CHECK-NEXT: .long 4
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; CHECK-NEXT: .long .Lfunc_begin3@IMGREL
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; CHECK-NEXT: .long 5
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; CHECK-NEXT: .long .Lfunc_begin4@IMGREL
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; CHECK-NEXT: .long 6
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