[llvm] 0efe111 - Reland "[Windows SEH]: HARDWARE EXCEPTION HANDLING (MSVC -EHa) - Part 2"
Phoebe Wang via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 28 18:01:34 PDT 2023
Author: Phoebe Wang
Date: 2023-03-29T08:59:56+08:00
New Revision: 0efe111365ae176671e01252d24028047d807a84
URL: https://github.com/llvm/llvm-project/commit/0efe111365ae176671e01252d24028047d807a84
DIFF: https://github.com/llvm/llvm-project/commit/0efe111365ae176671e01252d24028047d807a84.diff
LOG: Reland "[Windows SEH]: HARDWARE EXCEPTION HANDLING (MSVC -EHa) - Part 2"
This reverts commit db6a979ae82410e42430e47afa488936ba8e3025.
Reland D102817 without any change. The previous revert was a mistake.
Differential Revision: https://reviews.llvm.org/D102817
Added:
llvm/test/CodeGen/X86/windows-seh-EHa-CppCatchDotDotDot.ll
llvm/test/CodeGen/X86/windows-seh-EHa-CppCondiTemps.ll
llvm/test/CodeGen/X86/windows-seh-EHa-CppDtors01.ll
llvm/test/CodeGen/X86/windows-seh-EHa-TryInFinally.ll
Modified:
llvm/include/llvm/CodeGen/SelectionDAGISel.h
llvm/include/llvm/CodeGen/WinEHFuncInfo.h
llvm/include/llvm/IR/BasicBlock.h
llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
llvm/lib/CodeGen/AsmPrinter/WinException.cpp
llvm/lib/CodeGen/BranchFolding.cpp
llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
llvm/lib/CodeGen/WinEHPrepare.cpp
llvm/lib/IR/BasicBlock.cpp
llvm/lib/IR/EHPersonalities.cpp
Removed:
################################################################################
diff --git a/llvm/include/llvm/CodeGen/SelectionDAGISel.h b/llvm/include/llvm/CodeGen/SelectionDAGISel.h
index b7c5bec910516..6c0b2cfe8ef31 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGISel.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGISel.h
@@ -337,6 +337,9 @@ class SelectionDAGISel : public MachineFunctionPass {
/// instruction selected, false if no code should be emitted for it.
bool PrepareEHLandingPad();
+ // Mark and Report IPToState for each Block under AsynchEH
+ void reportIPToStateForBlocks(MachineFunction *Fn);
+
/// Perform instruction selection on all basic blocks in the function.
void SelectAllBasicBlocks(const Function &Fn);
diff --git a/llvm/include/llvm/CodeGen/WinEHFuncInfo.h b/llvm/include/llvm/CodeGen/WinEHFuncInfo.h
index f098316de793a..c007d462e0709 100644
--- a/llvm/include/llvm/CodeGen/WinEHFuncInfo.h
+++ b/llvm/include/llvm/CodeGen/WinEHFuncInfo.h
@@ -92,6 +92,7 @@ struct WinEHFuncInfo {
DenseMap<const FuncletPadInst *, int> FuncletBaseStateMap;
DenseMap<const InvokeInst *, int> InvokeStateMap;
DenseMap<MCSymbol *, std::pair<int, MCSymbol *>> LabelToStateMap;
+ DenseMap<const BasicBlock *, int> BlockToStateMap; // for AsynchEH
SmallVector<CxxUnwindMapEntry, 4> CxxUnwindMap;
SmallVector<WinEHTryBlockMapEntry, 4> TryBlockMap;
SmallVector<SEHUnwindMapEntry, 4> SEHUnwindMap;
@@ -104,6 +105,8 @@ struct WinEHFuncInfo {
void addIPToStateRange(const InvokeInst *II, MCSymbol *InvokeBegin,
MCSymbol *InvokeEnd);
+ void addIPToStateRange(int State, MCSymbol *InvokeBegin, MCSymbol *InvokeEnd);
+
int EHRegNodeFrameIndex = std::numeric_limits<int>::max();
int EHRegNodeEndOffset = std::numeric_limits<int>::max();
int EHGuardFrameIndex = std::numeric_limits<int>::max();
@@ -123,6 +126,12 @@ void calculateSEHStateNumbers(const Function *ParentFn,
void calculateClrEHStateNumbers(const Function *Fn, WinEHFuncInfo &FuncInfo);
+// For AsynchEH (VC++ option -EHa)
+void calculateCXXStateForAsynchEH(const BasicBlock *BB, int State,
+ WinEHFuncInfo &FuncInfo);
+void calculateSEHStateForAsynchEH(const BasicBlock *BB, int State,
+ WinEHFuncInfo &FuncInfo);
+
} // end namespace llvm
#endif // LLVM_CODEGEN_WINEHFUNCINFO_H
diff --git a/llvm/include/llvm/IR/BasicBlock.h b/llvm/include/llvm/IR/BasicBlock.h
index 71d9ada691489..4e765daa916b9 100644
--- a/llvm/include/llvm/IR/BasicBlock.h
+++ b/llvm/include/llvm/IR/BasicBlock.h
@@ -213,6 +213,15 @@ class BasicBlock final : public Value, // Basic blocks are data objects also
.getNonConst();
}
+ /// Returns the first potential AsynchEH faulty instruction
+ /// currently it checks for loads/stores (which may dereference a null
+ /// pointer) and calls/invokes (which may propagate exceptions)
+ const Instruction* getFirstMayFaultInst() const;
+ Instruction* getFirstMayFaultInst() {
+ return const_cast<Instruction*>(
+ static_cast<const BasicBlock*>(this)->getFirstMayFaultInst());
+ }
+
/// Return a const iterator range over the instructions in the block, skipping
/// any debug instructions. Skip any pseudo operations as well if \c
/// SkipPseudoOp is true.
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index c8a88a11a1ef3..47623e6935b7c 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1627,6 +1627,7 @@ void AsmPrinter::emitFunctionBody() {
// Print out code for the function.
bool HasAnyRealCode = false;
int NumInstsInFunction = 0;
+ bool IsEHa = MMI->getModule()->getModuleFlag("eh-asynch");
bool CanDoExtraAnalysis = ORE->allowExtraAnalysis(DEBUG_TYPE);
for (auto &MBB : *MF) {
@@ -1665,10 +1666,25 @@ void AsmPrinter::emitFunctionBody() {
emitFrameAlloc(MI);
break;
case TargetOpcode::ANNOTATION_LABEL:
- case TargetOpcode::EH_LABEL:
case TargetOpcode::GC_LABEL:
OutStreamer->emitLabel(MI.getOperand(0).getMCSymbol());
break;
+ case TargetOpcode::EH_LABEL:
+ OutStreamer->emitLabel(MI.getOperand(0).getMCSymbol());
+ // For AsynchEH, insert a Nop if followed by a trap inst
+ // Or the exception won't be caught.
+ // (see MCConstantExpr::create(1,..) in WinException.cpp)
+ // Ignore SDiv/UDiv because a DIV with Const-0 divisor
+ // must have being turned into an UndefValue.
+ // Div with variable opnds won't be the first instruction in
+ // an EH region as it must be led by at least a Load
+ {
+ auto MI2 = std::next(MI.getIterator());
+ if (IsEHa && MI2 != MBB.end() &&
+ (MI2->mayLoadOrStore() || MI2->mayRaiseFPException()))
+ emitNops(1);
+ }
+ break;
case TargetOpcode::INLINEASM:
case TargetOpcode::INLINEASM_BR:
emitInlineAsm(&MI);
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinException.cpp b/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
index 7a800438592cb..6bfb5a6669aeb 100644
--- a/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
@@ -762,7 +762,11 @@ void WinException::emitCXXFrameHandler3Table(const MachineFunction *MF) {
OS.emitInt32(0);
AddComment("EHFlags");
- OS.emitInt32(1);
+ if (MMI->getModule()->getModuleFlag("eh-asynch")) {
+ OS.emitInt32(0);
+ } else {
+ OS.emitInt32(1);
+ }
// UnwindMapEntry {
// int32_t ToState;
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index d5bf62cbcddcf..b5ac90c2e96e3 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -1207,7 +1207,7 @@ bool BranchFolder::OptimizeBranches(MachineFunction &MF) {
MadeChange |= OptimizeBlock(&MBB);
// If it is dead, remove it.
- if (MBB.pred_empty()) {
+ if (MBB.pred_empty() && !MBB.isMachineBlockAddressTaken()) {
RemoveDeadBlock(&MBB);
MadeChange = true;
++NumDeadBlocks;
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 1abbe9b52121a..1107da1f9f5f1 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2971,6 +2971,7 @@ void SelectionDAGBuilder::visitInvoke(const InvokeInst &I) {
// catchswitch for successors.
MachineBasicBlock *Return = FuncInfo.MBBMap[I.getSuccessor(0)];
const BasicBlock *EHPadBB = I.getSuccessor(1);
+ MachineBasicBlock *EHPadMBB = FuncInfo.MBBMap[EHPadBB];
// Deopt bundles are lowered in LowerCallSiteWithDeoptBundle, and we don't
// have to do anything here to lower funclet bundles.
@@ -2995,6 +2996,10 @@ void SelectionDAGBuilder::visitInvoke(const InvokeInst &I) {
case Intrinsic::seh_scope_begin:
case Intrinsic::seh_try_end:
case Intrinsic::seh_scope_end:
+ if (EHPadMBB)
+ // a block referenced by EH table
+ // so dtor-funclet not removed by opts
+ EHPadMBB->setMachineBlockAddressTaken();
break;
case Intrinsic::experimental_patchpoint_void:
case Intrinsic::experimental_patchpoint_i64:
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 8d1cc04607bf4..bdbf32aee6fbe 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -59,6 +59,7 @@
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/CodeGen/WinEHFuncInfo.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
@@ -1292,6 +1293,43 @@ bool SelectionDAGISel::PrepareEHLandingPad() {
return true;
}
+// Mark and Report IPToState for each Block under IsEHa
+void SelectionDAGISel::reportIPToStateForBlocks(MachineFunction *MF) {
+ MachineModuleInfo &MMI = MF->getMMI();
+ llvm::WinEHFuncInfo *EHInfo = MF->getWinEHFuncInfo();
+ if (!EHInfo)
+ return;
+ for (auto MBBI = MF->begin(), E = MF->end(); MBBI != E; ++MBBI) {
+ MachineBasicBlock *MBB = &*MBBI;
+ const BasicBlock *BB = MBB->getBasicBlock();
+ int State = EHInfo->BlockToStateMap[BB];
+ if (BB->getFirstMayFaultInst()) {
+ // Report IP range only for blocks with Faulty inst
+ auto MBBb = MBB->getFirstNonPHI();
+ MachineInstr *MIb = &*MBBb;
+ if (MIb->isTerminator())
+ continue;
+
+ // Insert EH Labels
+ MCSymbol *BeginLabel = MMI.getContext().createTempSymbol();
+ MCSymbol *EndLabel = MMI.getContext().createTempSymbol();
+ EHInfo->addIPToStateRange(State, BeginLabel, EndLabel);
+ BuildMI(*MBB, MBBb, SDB->getCurDebugLoc(),
+ TII->get(TargetOpcode::EH_LABEL))
+ .addSym(BeginLabel);
+ auto MBBe = MBB->instr_end();
+ MachineInstr *MIe = &*(--MBBe);
+ // insert before (possible multiple) terminators
+ while (MIe->isTerminator())
+ MIe = &*(--MBBe);
+ ++MBBe;
+ BuildMI(*MBB, MBBe, SDB->getCurDebugLoc(),
+ TII->get(TargetOpcode::EH_LABEL))
+ .addSym(EndLabel);
+ }
+ }
+}
+
/// isFoldedOrDeadInstruction - Return true if the specified instruction is
/// side-effect free and is either dead or folded into a generated instruction.
/// Return false if it needs to be emitted.
@@ -1649,6 +1687,10 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
ElidedArgCopyInstrs.clear();
}
+ // AsynchEH: Report Block State under -AsynchEH
+ if (Fn.getParent()->getModuleFlag("eh-asynch"))
+ reportIPToStateForBlocks(MF);
+
SP.copyToMachineFrameInfo(MF->getFrameInfo());
SwiftError->propagateVRegs();
diff --git a/llvm/lib/CodeGen/WinEHPrepare.cpp b/llvm/lib/CodeGen/WinEHPrepare.cpp
index e97f64027c035..d6d4af088ff1e 100644
--- a/llvm/lib/CodeGen/WinEHPrepare.cpp
+++ b/llvm/lib/CodeGen/WinEHPrepare.cpp
@@ -216,6 +216,127 @@ static void calculateStateNumbersForInvokes(const Function *Fn,
}
}
+// See comments below for calculateSEHStateForAsynchEH().
+// State - incoming State of normal paths
+struct WorkItem {
+ const BasicBlock *Block;
+ int State;
+ WorkItem(const BasicBlock *BB, int St) {
+ Block = BB;
+ State = St;
+ }
+};
+void llvm::calculateCXXStateForAsynchEH(const BasicBlock *BB, int State,
+ WinEHFuncInfo &EHInfo) {
+ SmallVector<struct WorkItem *, 8> WorkList;
+ struct WorkItem *WI = new WorkItem(BB, State);
+ WorkList.push_back(WI);
+
+ while (!WorkList.empty()) {
+ WI = WorkList.pop_back_val();
+ const BasicBlock *BB = WI->Block;
+ int State = WI->State;
+ delete WI;
+ if (EHInfo.BlockToStateMap.count(BB) && EHInfo.BlockToStateMap[BB] <= State)
+ continue; // skip blocks already visited by lower State
+
+ const llvm::Instruction *I = BB->getFirstNonPHI();
+ const llvm::Instruction *TI = BB->getTerminator();
+ if (I->isEHPad())
+ State = EHInfo.EHPadStateMap[I];
+ EHInfo.BlockToStateMap[BB] = State; // Record state, also flag visiting
+
+ if ((isa<CleanupReturnInst>(TI) || isa<CatchReturnInst>(TI)) && State > 0) {
+ // Retrive the new State
+ State = EHInfo.CxxUnwindMap[State].ToState; // Retrive next State
+ } else if (isa<InvokeInst>(TI)) {
+ auto *Call = dyn_cast<CallBase>(TI);
+ const Function *Fn = Call->getCalledFunction();
+ if (Fn && Fn->isIntrinsic() &&
+ (Fn->getIntrinsicID() == Intrinsic::seh_scope_begin ||
+ Fn->getIntrinsicID() == Intrinsic::seh_try_begin))
+ // Retrive the new State from seh_scope_begin
+ State = EHInfo.InvokeStateMap[cast<InvokeInst>(TI)];
+ else if (Fn && Fn->isIntrinsic() &&
+ (Fn->getIntrinsicID() == Intrinsic::seh_scope_end ||
+ Fn->getIntrinsicID() == Intrinsic::seh_try_end)) {
+ // In case of conditional ctor, let's retrieve State from Invoke
+ State = EHInfo.InvokeStateMap[cast<InvokeInst>(TI)];
+ // end of current state, retrive new state from UnwindMap
+ State = EHInfo.CxxUnwindMap[State].ToState;
+ }
+ }
+ // Continue push successors into worklist
+ for (auto *SuccBB : successors(BB)) {
+ WI = new WorkItem(SuccBB, State);
+ WorkList.push_back(WI);
+ }
+ }
+}
+
+// The central theory of this routine is based on the following:
+// A _try scope is always a SEME (Single Entry Multiple Exits) region
+// as jumping into a _try is not allowed
+// The single entry must start with a seh_try_begin() invoke with a
+// correct State number that is the initial state of the SEME.
+// Through control-flow, state number is propagated into all blocks.
+// Side exits marked by seh_try_end() will unwind to parent state via
+// existing SEHUnwindMap[].
+// Side exits can ONLY jump into parent scopes (lower state number).
+// Thus, when a block succeeds various states from its predecessors,
+// the lowest State trumphs others.
+// If some exits flow to unreachable, propagation on those paths terminate,
+// not affecting remaining blocks.
+void llvm::calculateSEHStateForAsynchEH(const BasicBlock *BB, int State,
+ WinEHFuncInfo &EHInfo) {
+ SmallVector<struct WorkItem *, 8> WorkList;
+ struct WorkItem *WI = new WorkItem(BB, State);
+ WorkList.push_back(WI);
+
+ while (!WorkList.empty()) {
+ WI = WorkList.pop_back_val();
+ const BasicBlock *BB = WI->Block;
+ int State = WI->State;
+ delete WI;
+ if (EHInfo.BlockToStateMap.count(BB) && EHInfo.BlockToStateMap[BB] <= State)
+ continue; // skip blocks already visited by lower State
+
+ const llvm::Instruction *I = BB->getFirstNonPHI();
+ const llvm::Instruction *TI = BB->getTerminator();
+ if (I->isEHPad())
+ State = EHInfo.EHPadStateMap[I];
+ EHInfo.BlockToStateMap[BB] = State; // Record state
+
+ if (isa<CatchPadInst>(I) && isa<CatchReturnInst>(TI)) {
+ const Constant *FilterOrNull = cast<Constant>(
+ cast<CatchPadInst>(I)->getArgOperand(0)->stripPointerCasts());
+ const Function *Filter = dyn_cast<Function>(FilterOrNull);
+ if (!Filter || !Filter->getName().startswith("__IsLocalUnwind"))
+ State = EHInfo.SEHUnwindMap[State].ToState; // Retrive next State
+ } else if ((isa<CleanupReturnInst>(TI) || isa<CatchReturnInst>(TI)) &&
+ State > 0) {
+ // Retrive the new State.
+ State = EHInfo.SEHUnwindMap[State].ToState; // Retrive next State
+ } else if (isa<InvokeInst>(TI)) {
+ auto *Call = dyn_cast<CallBase>(TI);
+ const Function *Fn = Call->getCalledFunction();
+ if (Fn && Fn->isIntrinsic() &&
+ Fn->getIntrinsicID() == Intrinsic::seh_try_begin)
+ // Retrive the new State from seh_try_begin
+ State = EHInfo.InvokeStateMap[cast<InvokeInst>(TI)];
+ else if (Fn && Fn->isIntrinsic() &&
+ Fn->getIntrinsicID() == Intrinsic::seh_try_end)
+ // end of current state, retrive new state from UnwindMap
+ State = EHInfo.SEHUnwindMap[State].ToState;
+ }
+ // Continue push successors into worklist
+ for (auto *SuccBB : successors(BB)) {
+ WI = new WorkItem(SuccBB, State);
+ WorkList.push_back(WI);
+ }
+ }
+}
+
// Given BB which ends in an unwind edge, return the EHPad that this BB belongs
// to. If the unwind edge came from an invoke, return null.
static const BasicBlock *getEHPadFromPredecessor(const BasicBlock *BB,
@@ -276,6 +397,7 @@ static void calculateCXXStateNumbers(WinEHFuncInfo &FuncInfo,
for (const auto *CatchPad : Handlers) {
FuncInfo.FuncletBaseStateMap[CatchPad] = CatchLow;
+ FuncInfo.EHPadStateMap[CatchPad] = CatchLow;
for (const User *U : CatchPad->users()) {
const auto *UserI = cast<Instruction>(U);
if (auto *InnerCatchSwitch = dyn_cast<CatchSwitchInst>(UserI)) {
@@ -384,6 +506,7 @@ static void calculateSEHStateNumbers(WinEHFuncInfo &FuncInfo,
// Everything in the __try block uses TryState as its parent state.
FuncInfo.EHPadStateMap[CatchSwitch] = TryState;
+ FuncInfo.EHPadStateMap[CatchPad] = TryState;
LLVM_DEBUG(dbgs() << "Assigning state #" << TryState << " to BB "
<< CatchPadBB->getName() << '\n');
for (const BasicBlock *PredBlock : predecessors(BB))
@@ -464,6 +587,12 @@ void llvm::calculateSEHStateNumbers(const Function *Fn,
}
calculateStateNumbersForInvokes(Fn, FuncInfo);
+
+ bool IsEHa = Fn->getParent()->getModuleFlag("eh-asynch");
+ if (IsEHa) {
+ const BasicBlock *EntryBB = &(Fn->getEntryBlock());
+ calculateSEHStateForAsynchEH(EntryBB, -1, FuncInfo);
+ }
}
void llvm::calculateWinCXXEHStateNumbers(const Function *Fn,
@@ -482,6 +611,12 @@ void llvm::calculateWinCXXEHStateNumbers(const Function *Fn,
}
calculateStateNumbersForInvokes(Fn, FuncInfo);
+
+ bool IsEHa = Fn->getParent()->getModuleFlag("eh-asynch");
+ if (IsEHa) {
+ const BasicBlock *EntryBB = &(Fn->getEntryBlock());
+ calculateCXXStateForAsynchEH(EntryBB, -1, FuncInfo);
+ }
}
static int addClrEHHandler(WinEHFuncInfo &FuncInfo, int HandlerParentState,
@@ -1253,4 +1388,9 @@ void WinEHFuncInfo::addIPToStateRange(const InvokeInst *II,
LabelToStateMap[InvokeBegin] = std::make_pair(InvokeStateMap[II], InvokeEnd);
}
+void WinEHFuncInfo::addIPToStateRange(int State, MCSymbol* InvokeBegin,
+ MCSymbol* InvokeEnd) {
+ LabelToStateMap[InvokeBegin] = std::make_pair(State, InvokeEnd);
+}
+
WinEHFuncInfo::WinEHFuncInfo() = default;
diff --git a/llvm/lib/IR/BasicBlock.cpp b/llvm/lib/IR/BasicBlock.cpp
index 63d363e2d0823..5e900e64be1de 100644
--- a/llvm/lib/IR/BasicBlock.cpp
+++ b/llvm/lib/IR/BasicBlock.cpp
@@ -205,6 +205,15 @@ const CallInst *BasicBlock::getPostdominatingDeoptimizeCall() const {
return BB->getTerminatingDeoptimizeCall();
}
+const Instruction *BasicBlock::getFirstMayFaultInst() const {
+ if (InstList.empty())
+ return nullptr;
+ for (const Instruction &I : *this)
+ if (isa<LoadInst>(I) || isa<StoreInst>(I) || isa<CallBase>(I))
+ return &I;
+ return nullptr;
+}
+
const Instruction* BasicBlock::getFirstNonPHI() const {
for (const Instruction &I : *this)
if (!isa<PHINode>(I))
diff --git a/llvm/lib/IR/EHPersonalities.cpp b/llvm/lib/IR/EHPersonalities.cpp
index 27c88975353bd..afbb2bb8275d6 100644
--- a/llvm/lib/IR/EHPersonalities.cpp
+++ b/llvm/lib/IR/EHPersonalities.cpp
@@ -12,6 +12,7 @@
#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
+#include "llvm/IR/Module.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/Triple.h"
@@ -91,7 +92,11 @@ bool llvm::canSimplifyInvokeNoUnwind(const Function *F) {
// We can't simplify any invokes to nounwind functions if the personality
// function wants to catch asynch exceptions. The nounwind attribute only
// implies that the function does not throw synchronous exceptions.
- return !isAsynchronousEHPersonality(Personality);
+
+ // Cannot simplify CXX Personality under AsynchEH
+ const llvm::Module *M = (const llvm::Module *)F->getParent();
+ bool EHa = M->getModuleFlag("eh-asynch");
+ return !EHa && !isAsynchronousEHPersonality(Personality);
}
DenseMap<BasicBlock *, ColorVector> llvm::colorEHFunclets(Function &F) {
diff --git a/llvm/test/CodeGen/X86/windows-seh-EHa-CppCatchDotDotDot.ll b/llvm/test/CodeGen/X86/windows-seh-EHa-CppCatchDotDotDot.ll
new file mode 100644
index 0000000000000..2b09c0133c1db
--- /dev/null
+++ b/llvm/test/CodeGen/X86/windows-seh-EHa-CppCatchDotDotDot.ll
@@ -0,0 +1,290 @@
+; RUN: llc -verify-machineinstrs < %s | FileCheck %s
+
+; CHECK-LABEL: "$cppxdata$?crash@@YAXH at Z":
+; CHECK: .long ("$stateUnwindMap$?crash@@YAXH at Z")
+; CHECK: .long ("$tryMap$?crash@@YAXH at Z")@IMGREL # TryBlockMap
+; CHECK-NEXT: .long 6 # IPMapEntries
+; CHECK-NEXT: .long ("$ip2state$?crash@@YAXH at Z")
+
+; CHECK-LABEL: "$stateUnwindMap$?crash@@YAXH at Z":
+; CHECK-NEXT: .long -1
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long "?dtor$
+; CHECK-NEXT: .long -1
+; CHECK-NEXT: .long 0
+
+; CHECK-LABEL: "$tryMap$?crash@@YAXH at Z":
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long 1
+; CHECK-NEXT: .long 2
+; CHECK-NEXT: .long 1
+; CHECK-NEXT: .long ("$handlerMap$
+
+; CHECK: "$handlerMap$0$?crash@@YAXH at Z"
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long "?catch$
+
+; CHECK-LABEL: "$ip2state$?crash@@YAXH at Z":
+; CHECK-NEXT: .long .Lfunc_begin0 at IMGREL
+; CHECK-NEXT: .long -1
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 1
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long -1
+; CHECK-NEXT: .long "?catch$
+; CHECK-NEXT: .long 2
+
+; ModuleID = 'windows-seh-EHa-CppCatchDotDotDot.cpp'
+source_filename = "windows-seh-EHa-CppCatchDotDotDot.cpp"
+target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-windows-msvc"
+
+%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
+%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
+%eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
+%eh.ThrowInfo = type { i32, i32, i32, i32 }
+%struct.A = type { i8 }
+
+$"??_C at _0BJ@EIKFKKLB@?5in?5catch?$CI?4?4?4?$CJ?5funclet?5?6?$AA@" = comdat any
+
+$"??_R0H at 8" = comdat any
+
+$"_CT??_R0H at 84" = comdat any
+
+$_CTA1H = comdat any
+
+$_TI1H = comdat any
+
+$"??_C at _0CN@MKCAOFNA@?5Test?5CPP?5unwind?3?5in?5except?5hand@" = comdat any
+
+$"??_C at _0N@LJHFFAKD@?5in?5A?5ctor?5?6?$AA@" = comdat any
+
+$"??_C at _0N@HMNCGOCN@?5in?5A?5dtor?5?6?$AA@" = comdat any
+
+@"?pt1@@3PEAHEA" = dso_local global i32* null, align 8
+@"?pt2@@3PEAHEA" = dso_local global i32* null, align 8
+@"?pt3@@3PEAHEA" = dso_local global i32* null, align 8
+@"?g@@3HA" = dso_local global i32 0, align 4
+@"??_C at _0BJ@EIKFKKLB@?5in?5catch?$CI?4?4?4?$CJ?5funclet?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [25 x i8] c" in catch(...) funclet \0A\00", comdat, align 1
+@"??_7type_info@@6B@" = external constant i8*
+@"??_R0H at 8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
+ at __ImageBase = external dso_local constant i8
+@"_CT??_R0H at 84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"??_R0H at 8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
+ at _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 at 84" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
+ at _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
+@"??_C at _0CN@MKCAOFNA@?5Test?5CPP?5unwind?3?5in?5except?5hand@" = linkonce_odr dso_local unnamed_addr constant [45 x i8] c" Test CPP unwind: in except handler i = %d \0A\00", comdat, align 1
+@"??_C at _0N@LJHFFAKD@?5in?5A?5ctor?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [13 x i8] c" in A ctor \0A\00", comdat, align 1
+@"??_C at _0N@HMNCGOCN@?5in?5A?5dtor?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [13 x i8] c" in A dtor \0A\00", comdat, align 1
+
+; Function Attrs: noinline nounwind optnone
+define dso_local void @"?foo@@YAXXZ"() #0 {
+entry:
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ ret void
+}
+
+; Function Attrs: noinline optnone
+define dso_local void @"?crash@@YAXH at Z"(i32 %i) #1 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %i.addr = alloca i32, align 4
+ %ObjA = alloca %struct.A, align 1
+ %tmp = alloca i32, align 4
+ store i32 %i, i32* %i.addr, align 4
+ %0 = load i32, i32* %i.addr, align 4
+ store i32 %0, i32* @"?g@@3HA", align 4
+ invoke void @llvm.seh.try.begin()
+ to label %invoke.cont unwind label %catch.dispatch
+
+invoke.cont: ; preds = %entry
+ %call = invoke %struct.A* @"??0A@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.A* %ObjA)
+ to label %invoke.cont1 unwind label %catch.dispatch
+
+invoke.cont1: ; preds = %invoke.cont
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont2 unwind label %ehcleanup
+
+invoke.cont2: ; preds = %invoke.cont1
+ %1 = load i32, i32* %i.addr, align 4
+ %cmp = icmp eq i32 %1, 1
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %invoke.cont2
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ br label %if.end
+
+if.end: ; preds = %if.then, %invoke.cont2
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont3 unwind label %ehcleanup
+
+invoke.cont3: ; preds = %if.end
+ call void @"??1A@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.A* %ObjA) #6
+ br label %try.cont
+
+ehcleanup: ; preds = %if.end, %invoke.cont1
+ %2 = cleanuppad within none []
+ call void @"??1A@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.A* %ObjA) #6 [ "funclet"(token %2) ]
+ cleanupret from %2 unwind label %catch.dispatch
+
+catch.dispatch: ; preds = %ehcleanup, %invoke.cont, %entry
+ %3 = catchswitch within none [label %catch] unwind to caller
+
+catch: ; preds = %catch.dispatch
+ %4 = catchpad within %3 [i8* null, i32 0, i8* null]
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @"??_C at _0BJ@EIKFKKLB@?5in?5catch?$CI?4?4?4?$CJ?5funclet?5?6?$AA@", i64 0, i64 0)) [ "funclet"(token %4) ]
+ %5 = load i32, i32* %i.addr, align 4
+ %cmp4 = icmp eq i32 %5, 1
+ br i1 %cmp4, label %if.then5, label %if.end6
+
+if.then5: ; preds = %catch
+ %6 = load i32, i32* %i.addr, align 4
+ store i32 %6, i32* %tmp, align 4
+ %7 = bitcast i32* %tmp to i8*
+ call void @_CxxThrowException(i8* %7, %eh.ThrowInfo* @_TI1H) #7 [ "funclet"(token %4) ]
+ unreachable
+
+if.end6: ; preds = %catch
+ catchret from %4 to label %catchret.dest
+
+catchret.dest: ; preds = %if.end6
+ br label %try.cont
+
+try.cont: ; preds = %catchret.dest, %invoke.cont3
+ ret void
+}
+
+; Function Attrs: nounwind willreturn
+declare dso_local void @llvm.seh.try.begin() #2
+
+declare dso_local i32 @__CxxFrameHandler3(...)
+
+; Function Attrs: noinline optnone
+define internal %struct.A* @"??0A@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.A* returned %this) unnamed_addr #1 align 2 {
+entry:
+ %retval = alloca %struct.A*, align 8
+ %this.addr = alloca %struct.A*, align 8
+ store %struct.A* %this, %struct.A** %this.addr, align 8
+ %this1 = load %struct.A*, %struct.A** %this.addr, align 8
+ store %struct.A* %this1, %struct.A** %retval, align 8
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @"??_C at _0N@LJHFFAKD@?5in?5A?5ctor?5?6?$AA@", i64 0, i64 0))
+ %0 = load i32, i32* @"?g@@3HA", align 4
+ %cmp = icmp eq i32 %0, 0
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %entry
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ br label %if.end
+
+if.end: ; preds = %if.then, %entry
+ %1 = load %struct.A*, %struct.A** %retval, align 8
+ ret %struct.A* %1
+}
+
+; Function Attrs: nounwind readnone
+declare dso_local void @llvm.seh.scope.begin() #3
+
+; Function Attrs: nounwind readnone
+declare dso_local void @llvm.seh.scope.end() #3
+
+; Function Attrs: noinline nounwind optnone
+define internal void @"??1A@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.A* %this) unnamed_addr #0 align 2 {
+entry:
+ %this.addr = alloca %struct.A*, align 8
+ store %struct.A* %this, %struct.A** %this.addr, align 8
+ %this1 = load %struct.A*, %struct.A** %this.addr, align 8
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @"??_C at _0N@HMNCGOCN@?5in?5A?5dtor?5?6?$AA@", i64 0, i64 0))
+ ret void
+}
+
+declare dso_local void @"?printf@@YAXZZ"(...) #4
+
+declare dso_local void @_CxxThrowException(i8*, %eh.ThrowInfo*)
+
+; Function Attrs: noinline norecurse optnone
+define dso_local i32 @main() #5 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
+entry:
+ %retval = alloca i32, align 4
+ %i = alloca i32, align 4
+ %__exception_code = alloca i32, align 4
+ store i32 0, i32* %retval, align 4
+ store i32 0, i32* %i, align 4
+ br label %for.cond
+
+for.cond: ; preds = %for.inc, %entry
+ %0 = load i32, i32* %i, align 4
+ %cmp = icmp slt i32 %0, 2
+ br i1 %cmp, label %for.body, label %for.end
+
+for.body: ; preds = %for.cond
+ invoke void @llvm.seh.try.begin()
+ to label %invoke.cont unwind label %catch.dispatch
+
+invoke.cont: ; preds = %for.body
+ %1 = load volatile i32, i32* %i, align 4
+ invoke void @"?crash@@YAXH at Z"(i32 %1) #8
+ to label %invoke.cont1 unwind label %catch.dispatch
+
+invoke.cont1: ; preds = %invoke.cont
+ invoke void @llvm.seh.try.end()
+ to label %invoke.cont2 unwind label %catch.dispatch
+
+catch.dispatch: ; preds = %invoke.cont1, %invoke.cont, %for.body
+ %2 = catchswitch within none [label %__except] unwind to caller
+
+__except: ; preds = %catch.dispatch
+ %3 = catchpad within %2 [i8* null]
+ catchret from %3 to label %__except3
+
+__except3: ; preds = %__except
+ %4 = call i32 @llvm.eh.exceptioncode(token %3)
+ store i32 %4, i32* %__exception_code, align 4
+ %5 = load i32, i32* %i, align 4
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @"??_C at _0CN@MKCAOFNA@?5Test?5CPP?5unwind?3?5in?5except?5hand@", i64 0, i64 0), i32 %5)
+ br label %__try.cont
+
+__try.cont: ; preds = %__except3, %invoke.cont2
+ br label %for.inc
+
+for.inc: ; preds = %__try.cont
+ %6 = load i32, i32* %i, align 4
+ %inc = add nsw i32 %6, 1
+ store i32 %inc, i32* %i, align 4
+ br label %for.cond
+
+invoke.cont2: ; preds = %invoke.cont1
+ br label %__try.cont
+
+for.end: ; preds = %for.cond
+ ret i32 0
+}
+
+declare dso_local i32 @__C_specific_handler(...)
+
+; Function Attrs: nounwind willreturn
+declare dso_local void @llvm.seh.try.end() #2
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.eh.exceptioncode(token) #3
+
+attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { noinline optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #2 = { nounwind willreturn }
+attributes #3 = { nounwind readnone }
+attributes #4 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #5 = { noinline norecurse optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #6 = { nounwind }
+attributes #7 = { noreturn }
+attributes #8 = { noinline }
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 1, !"wchar_size", i32 2}
+!1 = !{i32 2, !"eh-asynch", i32 1}
+
+
diff --git a/llvm/test/CodeGen/X86/windows-seh-EHa-CppCondiTemps.ll b/llvm/test/CodeGen/X86/windows-seh-EHa-CppCondiTemps.ll
new file mode 100644
index 0000000000000..89528d096c43c
--- /dev/null
+++ b/llvm/test/CodeGen/X86/windows-seh-EHa-CppCondiTemps.ll
@@ -0,0 +1,543 @@
+; RUN: llc -verify-machineinstrs < %s | FileCheck %s
+
+; CHECK-LABEL: $ip2state$main:
+; CHECK-NEXT: .long .Lfunc_begin4 at IMGREL
+; CHECK-NEXT: .long -1 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 0 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 4 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK: .long 5 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 4 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 0 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 2 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 3 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 0 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 1 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 0 # ToState
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long -1 # ToState
+
+; ModuleID = 'windows-seh-EHa-CppCondiTemps.cpp'
+source_filename = "windows-seh-EHa-CppCondiTemps.cpp"
+target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-windows-msvc"
+
+%class.B1 = type { i32 }
+%class.B2 = type { %class.B1 }
+%class.B3 = type { %class.B2 }
+
+$"??1B1@@QEAA at XZ" = comdat any
+
+$"??1B2@@QEAA at XZ" = comdat any
+
+$"??0B2@@QEAA at XZ" = comdat any
+
+$"??0B3@@QEAA at XZ" = comdat any
+
+$"??1B3@@QEAA at XZ" = comdat any
+
+$"??0B1@@QEAA at XZ" = comdat any
+
+$"??_C at _0N@FMGAAAAM at in?5B1?5Dtor?5?6?$AA@" = comdat any
+
+$"??_C at _0N@GFONDMMJ at in?5B2?5Dtor?5?6?$AA@" = comdat any
+
+$"??_C at _0N@HCJGCIIK at in?5B3?5Dtor?5?6?$AA@" = comdat any
+
+@"?xxxx@@3HA" = dso_local global i32 0, align 4
+@"?ptr@@3PEAHEA" = dso_local global i32* null, align 8
+@"??_C at _0N@FMGAAAAM at in?5B1?5Dtor?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [13 x i8] c"in B1 Dtor \0A\00", comdat, align 1
+@"??_C at _0N@GFONDMMJ at in?5B2?5Dtor?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [13 x i8] c"in B2 Dtor \0A\00", comdat, align 1
+@"??_C at _0N@HCJGCIIK at in?5B3?5Dtor?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [13 x i8] c"in B3 Dtor \0A\00", comdat, align 1
+
+; Function Attrs: noinline nounwind optnone mustprogress
+define dso_local i32 @"?foo@@YAHH at Z"(i32 %a) #0 {
+entry:
+ %a.addr = alloca i32, align 4
+ store i32 %a, i32* %a.addr, align 4
+ %0 = load i32, i32* @"?xxxx@@3HA", align 4
+ %1 = load i32, i32* %a.addr, align 4
+ %add = add nsw i32 %0, %1
+ ret i32 %add
+}
+
+; Function Attrs: noinline optnone mustprogress
+define dso_local i32 @"?bar@@YAHHVB1@@VB2@@@Z"(i32 %j, i32 %b1Bar.coerce, i32 %b2Bar.coerce) #1 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %b1Bar = alloca %class.B1, align 4
+ %b2Bar = alloca %class.B2, align 4
+ %j.addr = alloca i32, align 4
+ %ww = alloca i32, align 4
+ %coerce.dive = getelementptr inbounds %class.B1, %class.B1* %b1Bar, i32 0, i32 0
+ store i32 %b1Bar.coerce, i32* %coerce.dive, align 4
+ %coerce.dive1 = getelementptr inbounds %class.B2, %class.B2* %b2Bar, i32 0, i32 0
+ %coerce.dive2 = getelementptr inbounds %class.B1, %class.B1* %coerce.dive1, i32 0, i32 0
+ store i32 %b2Bar.coerce, i32* %coerce.dive2, align 4
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont unwind label %ehcleanup7
+
+invoke.cont: ; preds = %entry
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont3 unwind label %ehcleanup
+
+invoke.cont3: ; preds = %invoke.cont
+ store i32 %j, i32* %j.addr, align 4
+ %0 = load i32, i32* %j.addr, align 4
+ %cmp = icmp sgt i32 %0, 0
+ br i1 %cmp, label %if.then, label %if.else
+
+if.then: ; preds = %invoke.cont3
+ %data = getelementptr inbounds %class.B1, %class.B1* %b1Bar, i32 0, i32 0
+ %1 = load i32, i32* %data, align 4
+ store i32 %1, i32* %ww, align 4
+ br label %if.end
+
+if.else: ; preds = %invoke.cont3
+ %2 = bitcast %class.B2* %b2Bar to %class.B1*
+ %data4 = getelementptr inbounds %class.B1, %class.B1* %2, i32 0, i32 0
+ %3 = load i32, i32* %data4, align 4
+ store i32 %3, i32* %ww, align 4
+ br label %if.end
+
+if.end: ; preds = %if.else, %if.then
+ %4 = load i32, i32* %ww, align 4
+ %5 = load i32*, i32** @"?ptr@@3PEAHEA", align 8
+ %6 = load i32, i32* %5, align 4
+ %add = add nsw i32 %4, %6
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont5 unwind label %ehcleanup
+
+invoke.cont5: ; preds = %if.end
+ call void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %b1Bar) #8
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont6 unwind label %ehcleanup7
+
+ehcleanup: ; preds = %if.end, %invoke.cont
+ %7 = cleanuppad within none []
+ call void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %b1Bar) #8 [ "funclet"(token %7) ]
+ cleanupret from %7 unwind label %ehcleanup7
+
+invoke.cont6: ; preds = %invoke.cont5
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %b2Bar) #8
+ ret i32 %add
+
+ehcleanup7: ; preds = %invoke.cont5, %ehcleanup, %entry
+ %8 = cleanuppad within none []
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %b2Bar) #8 [ "funclet"(token %8) ]
+ cleanupret from %8 unwind to caller
+}
+
+; Function Attrs: nounwind readnone
+declare dso_local void @llvm.seh.scope.begin() #2
+
+declare dso_local i32 @__CxxFrameHandler3(...)
+
+; Function Attrs: nounwind readnone
+declare dso_local void @llvm.seh.scope.end() #2
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr dso_local void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %this) unnamed_addr #3 comdat align 2 {
+entry:
+ %this.addr = alloca %class.B1*, align 8
+ store %class.B1* %this, %class.B1** %this.addr, align 8
+ %this1 = load %class.B1*, %class.B1** %this.addr, align 8
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @"??_C at _0N@FMGAAAAM at in?5B1?5Dtor?5?6?$AA@", i64 0, i64 0))
+ ret void
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr dso_local void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %this) unnamed_addr #3 comdat align 2 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %this.addr = alloca %class.B2*, align 8
+ store %class.B2* %this, %class.B2** %this.addr, align 8
+ %this1 = load %class.B2*, %class.B2** %this.addr, align 8
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont unwind label %ehcleanup
+
+invoke.cont: ; preds = %entry
+ invoke void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @"??_C at _0N@GFONDMMJ at in?5B2?5Dtor?5?6?$AA@", i64 0, i64 0))
+ to label %invoke.cont2 unwind label %ehcleanup
+
+invoke.cont2: ; preds = %invoke.cont
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont3 unwind label %ehcleanup
+
+invoke.cont3: ; preds = %invoke.cont2
+ %0 = bitcast %class.B2* %this1 to %class.B1*
+ call void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %0) #8
+ ret void
+
+ehcleanup: ; preds = %invoke.cont2, %invoke.cont, %entry
+ %1 = cleanuppad within none []
+ %2 = bitcast %class.B2* %this1 to %class.B1*
+ call void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %2) #8 [ "funclet"(token %1) ]
+ cleanupret from %1 unwind to caller
+}
+
+; Function Attrs: noinline optnone mustprogress
+define dso_local void @"?goo@@YA?AVB1@@H at Z"(%class.B1* noalias sret(%class.B1) align 4 %agg.result, i32 %w) #1 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %result.ptr = alloca i8*, align 8
+ %w.addr = alloca i32, align 4
+ %b2ingoo = alloca %class.B2, align 4
+ %0 = bitcast %class.B1* %agg.result to i8*
+ store i8* %0, i8** %result.ptr, align 8
+ store i32 %w, i32* %w.addr, align 4
+ %call = call %class.B2* @"??0B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %b2ingoo)
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont unwind label %ehcleanup
+
+invoke.cont: ; preds = %entry
+ %1 = load i32, i32* %w.addr, align 4
+ %2 = bitcast %class.B2* %b2ingoo to %class.B1*
+ %data = getelementptr inbounds %class.B1, %class.B1* %2, i32 0, i32 0
+ %3 = load i32, i32* %data, align 4
+ %add = add nsw i32 %3, %1
+ store i32 %add, i32* %data, align 4
+ %4 = bitcast %class.B2* %b2ingoo to %class.B1*
+ %5 = bitcast %class.B1* %agg.result to i8*
+ %6 = bitcast %class.B1* %4 to i8*
+ call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %5, i8* align 4 %6, i64 4, i1 false)
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont1 unwind label %ehcleanup
+
+invoke.cont1: ; preds = %invoke.cont
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %b2ingoo) #8
+ ret void
+
+ehcleanup: ; preds = %invoke.cont, %entry
+ %7 = cleanuppad within none []
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %b2ingoo) #8 [ "funclet"(token %7) ]
+ cleanupret from %7 unwind to caller
+}
+
+; Function Attrs: noinline optnone
+define linkonce_odr dso_local %class.B2* @"??0B2@@QEAA at XZ"(%class.B2* nonnull returned align 4 dereferenceable(4) %this) unnamed_addr #4 comdat align 2 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %this.addr = alloca %class.B2*, align 8
+ store %class.B2* %this, %class.B2** %this.addr, align 8
+ %this1 = load %class.B2*, %class.B2** %this.addr, align 8
+ %0 = bitcast %class.B2* %this1 to %class.B1*
+ %call = call %class.B1* @"??0B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %0)
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont unwind label %ehcleanup
+
+invoke.cont: ; preds = %entry
+ %1 = bitcast %class.B2* %this1 to %class.B1*
+ %data = getelementptr inbounds %class.B1, %class.B1* %1, i32 0, i32 0
+ %2 = load i32, i32* %data, align 4
+ %add = add nsw i32 %2, 222
+ %call2 = call i32 @"?foo@@YAHH at Z"(i32 %add)
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont3 unwind label %ehcleanup
+
+invoke.cont3: ; preds = %invoke.cont
+ ret %class.B2* %this1
+
+ehcleanup: ; preds = %invoke.cont, %entry
+ %3 = cleanuppad within none []
+ %4 = bitcast %class.B2* %this1 to %class.B1*
+ call void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %4) #8 [ "funclet"(token %3) ]
+ cleanupret from %3 unwind to caller
+}
+
+; Function Attrs: argmemonly nofree nosync nounwind willreturn
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg) #5
+
+; Function Attrs: noinline norecurse optnone mustprogress
+define dso_local i32 @main() #6 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %retval = alloca i32, align 4
+ %b3inmain = alloca %class.B3, align 4
+ %m = alloca i32, align 4
+ %ref.tmp = alloca %class.B2, align 4
+ %cleanup.cond = alloca i1, align 1
+ %ref.tmp5 = alloca %class.B3, align 4
+ %cleanup.cond9 = alloca i1, align 1
+ %i = alloca i32, align 4
+ %agg.tmp = alloca %class.B2, align 4
+ %agg.tmp28 = alloca %class.B1, align 4
+ %b1fromgoo = alloca %class.B1, align 4
+ store i32 0, i32* %retval, align 4
+ %call = call %class.B3* @"??0B3@@QEAA at XZ"(%class.B3* nonnull align 4 dereferenceable(4) %b3inmain)
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont unwind label %ehcleanup50
+
+invoke.cont: ; preds = %entry
+ %0 = load i32, i32* @"?xxxx@@3HA", align 4
+ %cmp = icmp sgt i32 %0, 1
+ store i1 false, i1* %cleanup.cond, align 1
+ store i1 false, i1* %cleanup.cond9, align 1
+ br i1 %cmp, label %cond.true, label %cond.false
+
+cond.true: ; preds = %invoke.cont
+ %call2 = invoke %class.B2* @"??0B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %ref.tmp)
+ to label %invoke.cont1 unwind label %ehcleanup50
+
+invoke.cont1: ; preds = %cond.true
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont3 unwind label %ehcleanup21
+
+invoke.cont3: ; preds = %invoke.cont1
+ store i1 true, i1* %cleanup.cond, align 1
+ %1 = bitcast %class.B2* %ref.tmp to %class.B1*
+ %data = getelementptr inbounds %class.B1, %class.B1* %1, i32 0, i32 0
+ %2 = load i32, i32* %data, align 4
+ %call4 = call i32 @"?foo@@YAHH at Z"(i32 99)
+ %add = add nsw i32 %2, %call4
+ br label %cond.end
+
+cond.false: ; preds = %invoke.cont
+ %call7 = invoke %class.B3* @"??0B3@@QEAA at XZ"(%class.B3* nonnull align 4 dereferenceable(4) %ref.tmp5)
+ to label %invoke.cont6 unwind label %ehcleanup21
+
+invoke.cont6: ; preds = %cond.false
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont8 unwind label %ehcleanup
+
+invoke.cont8: ; preds = %invoke.cont6
+ store i1 true, i1* %cleanup.cond9, align 1
+ %3 = bitcast %class.B3* %ref.tmp5 to %class.B1*
+ %data10 = getelementptr inbounds %class.B1, %class.B1* %3, i32 0, i32 0
+ %4 = load i32, i32* %data10, align 4
+ %call11 = call i32 @"?foo@@YAHH at Z"(i32 88)
+ %add12 = add nsw i32 %4, %call11
+ br label %cond.end
+
+cond.end: ; preds = %invoke.cont8, %invoke.cont3
+ %cond = phi i32 [ %add, %invoke.cont3 ], [ %add12, %invoke.cont8 ]
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont13 unwind label %ehcleanup
+
+invoke.cont13: ; preds = %cond.end
+ %cleanup.is_active = load i1, i1* %cleanup.cond9, align 1
+ br i1 %cleanup.is_active, label %cleanup.action, label %cleanup.done
+
+cleanup.action: ; preds = %invoke.cont13
+ call void @"??1B3@@QEAA at XZ"(%class.B3* nonnull align 4 dereferenceable(4) %ref.tmp5) #8
+ br label %cleanup.done
+
+cleanup.done: ; preds = %cleanup.action, %invoke.cont13
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont17 unwind label %ehcleanup21
+
+invoke.cont17: ; preds = %cleanup.done
+ %cleanup.is_active18 = load i1, i1* %cleanup.cond, align 1
+ br i1 %cleanup.is_active18, label %cleanup.action19, label %cleanup.done20
+
+cleanup.action19: ; preds = %invoke.cont17
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %ref.tmp) #8
+ br label %cleanup.done20
+
+cleanup.done20: ; preds = %cleanup.action19, %invoke.cont17
+ store i32 %cond, i32* %m, align 4
+ %call26 = invoke %class.B2* @"??0B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %agg.tmp)
+ to label %invoke.cont25 unwind label %ehcleanup50
+
+invoke.cont25: ; preds = %cleanup.done20
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont27 unwind label %ehcleanup38
+
+invoke.cont27: ; preds = %invoke.cont25
+ %call30 = invoke %class.B1* @"??0B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %agg.tmp28)
+ to label %invoke.cont29 unwind label %ehcleanup38
+
+invoke.cont29: ; preds = %invoke.cont27
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont31 unwind label %ehcleanup36
+
+invoke.cont31: ; preds = %invoke.cont29
+ %call32 = call i32 @"?foo@@YAHH at Z"(i32 0)
+ %coerce.dive = getelementptr inbounds %class.B1, %class.B1* %agg.tmp28, i32 0, i32 0
+ %5 = load i32, i32* %coerce.dive, align 4
+ %coerce.dive33 = getelementptr inbounds %class.B2, %class.B2* %agg.tmp, i32 0, i32 0
+ %coerce.dive34 = getelementptr inbounds %class.B1, %class.B1* %coerce.dive33, i32 0, i32 0
+ %6 = load i32, i32* %coerce.dive34, align 4
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont35 unwind label %ehcleanup36
+
+invoke.cont35: ; preds = %invoke.cont31
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont37 unwind label %ehcleanup38
+
+invoke.cont37: ; preds = %invoke.cont35
+ %call40 = invoke i32 @"?bar@@YAHHVB1@@VB2@@@Z"(i32 %call32, i32 %5, i32 %6)
+ to label %invoke.cont39 unwind label %ehcleanup50
+
+invoke.cont39: ; preds = %invoke.cont37
+ store i32 %call40, i32* %i, align 4
+ %7 = load i32, i32* %i, align 4
+ invoke void @"?goo@@YA?AVB1@@H at Z"(%class.B1* sret(%class.B1) align 4 %b1fromgoo, i32 %7)
+ to label %invoke.cont41 unwind label %ehcleanup50
+
+invoke.cont41: ; preds = %invoke.cont39
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont42 unwind label %ehcleanup48
+
+invoke.cont42: ; preds = %invoke.cont41
+ %8 = load i32, i32* %m, align 4
+ %data43 = getelementptr inbounds %class.B1, %class.B1* %b1fromgoo, i32 0, i32 0
+ %9 = load i32, i32* %data43, align 4
+ %add44 = add nsw i32 %8, %9
+ %10 = bitcast %class.B3* %b3inmain to %class.B1*
+ %data45 = getelementptr inbounds %class.B1, %class.B1* %10, i32 0, i32 0
+ %11 = load i32, i32* %data45, align 4
+ %add46 = add nsw i32 %add44, %11
+ store i32 %add46, i32* %retval, align 4
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont47 unwind label %ehcleanup48
+
+ehcleanup: ; preds = %cond.end, %invoke.cont6
+ %12 = cleanuppad within none []
+ %cleanup.is_active14 = load i1, i1* %cleanup.cond9, align 1
+ br i1 %cleanup.is_active14, label %cleanup.action15, label %cleanup.done16
+
+cleanup.action15: ; preds = %ehcleanup
+ call void @"??1B3@@QEAA at XZ"(%class.B3* nonnull align 4 dereferenceable(4) %ref.tmp5) #8 [ "funclet"(token %12) ]
+ br label %cleanup.done16
+
+cleanup.done16: ; preds = %cleanup.action15, %ehcleanup
+ cleanupret from %12 unwind label %ehcleanup21
+
+ehcleanup21: ; preds = %cleanup.done, %cleanup.done16, %cond.false, %invoke.cont1
+ %13 = cleanuppad within none []
+ %cleanup.is_active22 = load i1, i1* %cleanup.cond, align 1
+ br i1 %cleanup.is_active22, label %cleanup.action23, label %cleanup.done24
+
+cleanup.action23: ; preds = %ehcleanup21
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %ref.tmp) #8 [ "funclet"(token %13) ]
+ br label %cleanup.done24
+
+cleanup.done24: ; preds = %cleanup.action23, %ehcleanup21
+ cleanupret from %13 unwind label %ehcleanup50
+
+ehcleanup36: ; preds = %invoke.cont31, %invoke.cont29
+ %14 = cleanuppad within none []
+ call void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %agg.tmp28) #8 [ "funclet"(token %14) ]
+ cleanupret from %14 unwind label %ehcleanup38
+
+ehcleanup38: ; preds = %invoke.cont35, %ehcleanup36, %invoke.cont27, %invoke.cont25
+ %15 = cleanuppad within none []
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %agg.tmp) #8 [ "funclet"(token %15) ]
+ cleanupret from %15 unwind label %ehcleanup50
+
+invoke.cont47: ; preds = %invoke.cont42
+ call void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %b1fromgoo) #8
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont49 unwind label %ehcleanup50
+
+ehcleanup48: ; preds = %invoke.cont42, %invoke.cont41
+ %16 = cleanuppad within none []
+ call void @"??1B1@@QEAA at XZ"(%class.B1* nonnull align 4 dereferenceable(4) %b1fromgoo) #8 [ "funclet"(token %16) ]
+ cleanupret from %16 unwind label %ehcleanup50
+
+invoke.cont49: ; preds = %invoke.cont47
+ call void @"??1B3@@QEAA at XZ"(%class.B3* nonnull align 4 dereferenceable(4) %b3inmain) #8
+ %17 = load i32, i32* %retval, align 4
+ ret i32 %17
+
+ehcleanup50: ; preds = %invoke.cont47, %ehcleanup48, %invoke.cont39, %invoke.cont37, %ehcleanup38, %cleanup.done20, %cleanup.done24, %cond.true, %entry
+ %18 = cleanuppad within none []
+ call void @"??1B3@@QEAA at XZ"(%class.B3* nonnull align 4 dereferenceable(4) %b3inmain) #8 [ "funclet"(token %18) ]
+ cleanupret from %18 unwind to caller
+}
+
+; Function Attrs: noinline optnone
+define linkonce_odr dso_local %class.B3* @"??0B3@@QEAA at XZ"(%class.B3* nonnull returned align 4 dereferenceable(4) %this) unnamed_addr #4 comdat align 2 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %this.addr = alloca %class.B3*, align 8
+ store %class.B3* %this, %class.B3** %this.addr, align 8
+ %this1 = load %class.B3*, %class.B3** %this.addr, align 8
+ %0 = bitcast %class.B3* %this1 to %class.B2*
+ %call = call %class.B2* @"??0B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %0)
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont unwind label %ehcleanup
+
+invoke.cont: ; preds = %entry
+ %1 = bitcast %class.B3* %this1 to %class.B1*
+ %data = getelementptr inbounds %class.B1, %class.B1* %1, i32 0, i32 0
+ %2 = load i32, i32* %data, align 4
+ %add = add nsw i32 %2, 333
+ %call2 = call i32 @"?foo@@YAHH at Z"(i32 %add)
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont3 unwind label %ehcleanup
+
+invoke.cont3: ; preds = %invoke.cont
+ ret %class.B3* %this1
+
+ehcleanup: ; preds = %invoke.cont, %entry
+ %3 = cleanuppad within none []
+ %4 = bitcast %class.B3* %this1 to %class.B2*
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %4) #8 [ "funclet"(token %3) ]
+ cleanupret from %3 unwind to caller
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr dso_local void @"??1B3@@QEAA at XZ"(%class.B3* nonnull align 4 dereferenceable(4) %this) unnamed_addr #3 comdat align 2 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %this.addr = alloca %class.B3*, align 8
+ store %class.B3* %this, %class.B3** %this.addr, align 8
+ %this1 = load %class.B3*, %class.B3** %this.addr, align 8
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont unwind label %ehcleanup
+
+invoke.cont: ; preds = %entry
+ invoke void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @"??_C at _0N@HCJGCIIK at in?5B3?5Dtor?5?6?$AA@", i64 0, i64 0))
+ to label %invoke.cont2 unwind label %ehcleanup
+
+invoke.cont2: ; preds = %invoke.cont
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont3 unwind label %ehcleanup
+
+invoke.cont3: ; preds = %invoke.cont2
+ %0 = bitcast %class.B3* %this1 to %class.B2*
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %0) #8
+ ret void
+
+ehcleanup: ; preds = %invoke.cont2, %invoke.cont, %entry
+ %1 = cleanuppad within none []
+ %2 = bitcast %class.B3* %this1 to %class.B2*
+ call void @"??1B2@@QEAA at XZ"(%class.B2* nonnull align 4 dereferenceable(4) %2) #8 [ "funclet"(token %1) ]
+ cleanupret from %1 unwind to caller
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr dso_local %class.B1* @"??0B1@@QEAA at XZ"(%class.B1* nonnull returned align 4 dereferenceable(4) %this) unnamed_addr #3 comdat align 2 {
+entry:
+ %this.addr = alloca %class.B1*, align 8
+ store %class.B1* %this, %class.B1** %this.addr, align 8
+ %this1 = load %class.B1*, %class.B1** %this.addr, align 8
+ %data = getelementptr inbounds %class.B1, %class.B1* %this1, i32 0, i32 0
+ store i32 90, i32* %data, align 4
+ %data2 = getelementptr inbounds %class.B1, %class.B1* %this1, i32 0, i32 0
+ %0 = load i32, i32* %data2, align 4
+ %add = add nsw i32 %0, 111
+ %call = call i32 @"?foo@@YAHH at Z"(i32 %add)
+ ret %class.B1* %this1
+}
+
+declare dso_local void @"?printf@@YAXZZ"(...) #7
+
+attributes #0 = { noinline nounwind optnone mustprogress "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }
+attributes #1 = { noinline optnone mustprogress "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }
+attributes #2 = { nounwind readnone }
+attributes #3 = { noinline nounwind optnone "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }
+attributes #4 = { noinline optnone "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }
+attributes #5 = { argmemonly nofree nosync nounwind willreturn }
+attributes #6 = { noinline norecurse optnone mustprogress "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }
+attributes #7 = { "frame-pointer"="none" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }
+attributes #8 = { nounwind }
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 1, !"wchar_size", i32 2}
+!1 = !{i32 2, !"eh-asynch", i32 1}
diff --git a/llvm/test/CodeGen/X86/windows-seh-EHa-CppDtors01.ll b/llvm/test/CodeGen/X86/windows-seh-EHa-CppDtors01.ll
new file mode 100644
index 0000000000000..8981cebcf4990
--- /dev/null
+++ b/llvm/test/CodeGen/X86/windows-seh-EHa-CppDtors01.ll
@@ -0,0 +1,255 @@
+; RUN: llc -verify-machineinstrs < %s | FileCheck %s
+
+; CHECK-LABEL: "$cppxdata$?crash@@YAXH at Z":
+; CHECK: .long ("$stateUnwindMap$?crash@@YAXH at Z")
+; CHECK: .long ("$ip2state$?crash@@YAXH at Z")
+
+; CHECK-LABEL: "$stateUnwindMap$?crash@@YAXH at Z":
+; CHECK: .long -1
+; CHECK: .long "?dtor$
+; CHECK: .long 0
+; CHECK: .long "?dtor$
+; CHECK: .long 1
+; CHECK: .long "?dtor$
+
+; CHECK-LABEL: "$ip2state$?crash@@YAXH at Z":
+; CHECK-NEXT: .long .Lfunc_begin0 at IMGREL
+; CHECK-NEXT: .long -1
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 1
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 2
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 1
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long -1
+
+; ModuleID = 'windows-seh-EHa-CppDtors01.cpp'
+source_filename = "windows-seh-EHa-CppDtors01.cpp"
+target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-windows-msvc"
+
+%struct.A = type { i8 }
+%struct.B = type { i8 }
+%struct.C = type { i8 }
+
+$"??_C at _0CM@KAOHJHDK@?5Test?5CPP?5unwind?3?5in?5catch?5handl@" = comdat any
+
+$"??_C at _0N@FCCEEGKL@?5in?5C?5dtor?5?6?$AA@" = comdat any
+
+$"??_C at _0N@EFFPFCOI@?5in?5B?5dtor?5?6?$AA@" = comdat any
+
+$"??_C at _0N@HMNCGOCN@?5in?5A?5dtor?5?6?$AA@" = comdat any
+
+@"?g@@3HA" = dso_local global i32 0, align 4
+@"??_C at _0CM@KAOHJHDK@?5Test?5CPP?5unwind?3?5in?5catch?5handl@" = linkonce_odr dso_local unnamed_addr constant [44 x i8] c" Test CPP unwind: in catch handler i = %d \0A\00", comdat, align 1
+@"??_C at _0N@FCCEEGKL@?5in?5C?5dtor?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [13 x i8] c" in C dtor \0A\00", comdat, align 1
+@"??_C at _0N@EFFPFCOI@?5in?5B?5dtor?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [13 x i8] c" in B dtor \0A\00", comdat, align 1
+@"??_C at _0N@HMNCGOCN@?5in?5A?5dtor?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [13 x i8] c" in A dtor \0A\00", comdat, align 1
+
+; Function Attrs: noinline optnone
+define dso_local void @"?crash@@YAXH at Z"(i32 %i) #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+ %i.addr = alloca i32, align 4
+ %ObjA = alloca %struct.A, align 1
+ %ObjB = alloca %struct.B, align 1
+ %ObjC = alloca %struct.C, align 1
+ store i32 %i, i32* %i.addr, align 4
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont unwind label %ehcleanup13
+
+invoke.cont: ; preds = %entry
+ %0 = load i32, i32* %i.addr, align 4
+ %cmp = icmp eq i32 %0, 0
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %invoke.cont
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ br label %if.end
+
+if.end: ; preds = %if.then, %invoke.cont
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont1 unwind label %ehcleanup11
+
+invoke.cont1: ; preds = %if.end
+ %1 = load i32, i32* %i.addr, align 4
+ %cmp2 = icmp eq i32 %1, 1
+ br i1 %cmp2, label %if.then3, label %if.end4
+
+if.then3: ; preds = %invoke.cont1
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ br label %if.end4
+
+if.end4: ; preds = %if.then3, %invoke.cont1
+ invoke void @llvm.seh.scope.begin()
+ to label %invoke.cont5 unwind label %ehcleanup
+
+invoke.cont5: ; preds = %if.end4
+ %2 = load i32, i32* %i.addr, align 4
+ %cmp6 = icmp eq i32 %2, 2
+ br i1 %cmp6, label %if.then7, label %if.end8
+
+if.then7: ; preds = %invoke.cont5
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ br label %if.end8
+
+if.end8: ; preds = %if.then7, %invoke.cont5
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont9 unwind label %ehcleanup
+
+invoke.cont9: ; preds = %if.end8
+ call void @"??1C@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.C* %ObjC) #6
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont10 unwind label %ehcleanup11
+
+invoke.cont10: ; preds = %invoke.cont9
+ call void @"??1B@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.B* %ObjB) #6
+ invoke void @llvm.seh.scope.end()
+ to label %invoke.cont12 unwind label %ehcleanup13
+
+invoke.cont12: ; preds = %invoke.cont10
+ call void @"??1A@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.A* %ObjA) #6
+ ret void
+
+ehcleanup: ; preds = %if.end8, %if.end4
+ %3 = cleanuppad within none []
+ call void @"??1C@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.C* %ObjC) #6 [ "funclet"(token %3) ]
+ cleanupret from %3 unwind label %ehcleanup11
+
+ehcleanup11: ; preds = %invoke.cont9, %ehcleanup, %if.end
+ %4 = cleanuppad within none []
+ call void @"??1B@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.B* %ObjB) #6 [ "funclet"(token %4) ]
+ cleanupret from %4 unwind label %ehcleanup13
+
+ehcleanup13: ; preds = %invoke.cont10, %ehcleanup11, %entry
+ %5 = cleanuppad within none []
+ call void @"??1A@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.A* %ObjA) #6 [ "funclet"(token %5) ]
+ cleanupret from %5 unwind to caller
+}
+
+; Function Attrs: nounwind readnone
+declare dso_local void @llvm.seh.scope.begin() #1
+
+declare dso_local i32 @__CxxFrameHandler3(...)
+
+; Function Attrs: nounwind readnone
+declare dso_local void @llvm.seh.scope.end() #1
+
+; Function Attrs: noinline nounwind optnone
+define internal void @"??1C@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.C* %this) unnamed_addr #2 align 2 {
+entry:
+ %this.addr = alloca %struct.C*, align 8
+ store %struct.C* %this, %struct.C** %this.addr, align 8
+ %this1 = load %struct.C*, %struct.C** %this.addr, align 8
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @"??_C at _0N@FCCEEGKL@?5in?5C?5dtor?5?6?$AA@", i64 0, i64 0))
+ ret void
+}
+
+; Function Attrs: noinline nounwind optnone
+define internal void @"??1B@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.B* %this) unnamed_addr #2 align 2 {
+entry:
+ %this.addr = alloca %struct.B*, align 8
+ store %struct.B* %this, %struct.B** %this.addr, align 8
+ %this1 = load %struct.B*, %struct.B** %this.addr, align 8
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @"??_C at _0N@EFFPFCOI@?5in?5B?5dtor?5?6?$AA@", i64 0, i64 0))
+ ret void
+}
+
+; Function Attrs: noinline nounwind optnone
+define internal void @"??1A@?1??crash@@YAXH at Z@QEAA at XZ"(%struct.A* %this) unnamed_addr #2 align 2 {
+entry:
+ %this.addr = alloca %struct.A*, align 8
+ store %struct.A* %this, %struct.A** %this.addr, align 8
+ %this1 = load %struct.A*, %struct.A** %this.addr, align 8
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @"??_C at _0N@HMNCGOCN@?5in?5A?5dtor?5?6?$AA@", i64 0, i64 0))
+ ret void
+}
+
+; Function Attrs: noinline norecurse optnone
+define dso_local i32 @main() #3 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
+entry:
+ %retval = alloca i32, align 4
+ %i = alloca i32, align 4
+ %__exception_code = alloca i32, align 4
+ store i32 0, i32* %retval, align 4
+ store i32 0, i32* %i, align 4
+ br label %for.cond
+
+for.cond: ; preds = %for.inc, %entry
+ %0 = load i32, i32* %i, align 4
+ %cmp = icmp slt i32 %0, 3
+ br i1 %cmp, label %for.body, label %for.end
+
+for.body: ; preds = %for.cond
+ invoke void @llvm.seh.try.begin()
+ to label %invoke.cont unwind label %catch.dispatch
+
+invoke.cont: ; preds = %for.body
+ %1 = load volatile i32, i32* %i, align 4
+ invoke void @"?crash@@YAXH at Z"(i32 %1) #7
+ to label %invoke.cont1 unwind label %catch.dispatch
+
+invoke.cont1: ; preds = %invoke.cont
+ invoke void @llvm.seh.try.end()
+ to label %invoke.cont2 unwind label %catch.dispatch
+
+catch.dispatch: ; preds = %invoke.cont1, %invoke.cont, %for.body
+ %2 = catchswitch within none [label %__except] unwind to caller
+
+__except: ; preds = %catch.dispatch
+ %3 = catchpad within %2 [i8* null]
+ catchret from %3 to label %__except3
+
+__except3: ; preds = %__except
+ %4 = call i32 @llvm.eh.exceptioncode(token %3)
+ store i32 %4, i32* %__exception_code, align 4
+ %5 = load i32, i32* %i, align 4
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @"??_C at _0CM@KAOHJHDK@?5Test?5CPP?5unwind?3?5in?5catch?5handl@", i64 0, i64 0), i32 %5)
+ br label %__try.cont
+
+__try.cont: ; preds = %__except3, %invoke.cont2
+ br label %for.inc
+
+for.inc: ; preds = %__try.cont
+ %6 = load i32, i32* %i, align 4
+ %inc = add nsw i32 %6, 1
+ store i32 %inc, i32* %i, align 4
+ br label %for.cond
+
+invoke.cont2: ; preds = %invoke.cont1
+ br label %__try.cont
+
+for.end: ; preds = %for.cond
+ ret i32 0
+}
+
+; Function Attrs: nounwind willreturn
+declare dso_local void @llvm.seh.try.begin() #4
+
+declare dso_local i32 @__C_specific_handler(...)
+
+; Function Attrs: nounwind willreturn
+declare dso_local void @llvm.seh.try.end() #4
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.eh.exceptioncode(token) #1
+
+declare dso_local void @"?printf@@YAXZZ"(...) #5
+
+attributes #0 = { noinline optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+attributes #2 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #3 = { noinline norecurse optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #4 = { nounwind willreturn }
+attributes #5 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #6 = { nounwind }
+attributes #7 = { noinline }
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 1, !"wchar_size", i32 2}
+!1 = !{i32 2, !"eh-asynch", i32 1}
diff --git a/llvm/test/CodeGen/X86/windows-seh-EHa-TryInFinally.ll b/llvm/test/CodeGen/X86/windows-seh-EHa-TryInFinally.ll
new file mode 100644
index 0000000000000..4fed375649247
--- /dev/null
+++ b/llvm/test/CodeGen/X86/windows-seh-EHa-TryInFinally.ll
@@ -0,0 +1,224 @@
+; RUN: llc -verify-machineinstrs < %s | FileCheck %s
+
+; CHECK-LABEL: "?fin$0 at 0@main@@"
+; CHECK: .seh_handlerdata
+; CHECK: .set ".L?fin$0 at 0@main@@$parent_frame_offset", 48
+; CHECK-NEXT: .long (.Llsda_end1-.Llsda_begin1)/16
+; CHECK-NEXT: .Llsda_begin1:
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long .Ltmp
+; CHECK-NEXT: .long "?dtor$
+; CHECK-NEXT: .long 0
+; CHECK-NEXT: .Llsda_end1:
+
+; ModuleID = 'windows-seh-EHa-TryInFinally.cpp'
+source_filename = "windows-seh-EHa-TryInFinally.cpp"
+target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-windows-msvc"
+
+$"??_C at _0CI@MDFPIOJJ@?5?9?9?9?5Test?5_Try?5in?5_finally?5?9?9?9?5i@" = comdat any
+
+$"??_C at _0BN@HHKJHLBE@?5?5In?5Inner?5_finally?5i?5?$DN?5?$CFd?5?6?$AA@" = comdat any
+
+$"??_C at _0BN@HAIIIOKI@?5?5In?5outer?5_finally?5i?5?$DN?5?$CFd?5?6?$AA@" = comdat any
+
+$"??_C at _0BJ@OJMMAGCD@?5?5In?5outer?5_try?5i?5?$DN?5?$CFd?5?6?$AA@" = comdat any
+
+$"??_C at _0CG@ENDJHCGA@?5?9?9?9?5In?5outer?5except?5handler?5i?5?$DN@" = comdat any
+
+@"??_C at _0CI@MDFPIOJJ@?5?9?9?9?5Test?5_Try?5in?5_finally?5?9?9?9?5i@" = linkonce_odr dso_local unnamed_addr constant [40 x i8] c" --- Test _Try in _finally --- i = %d \0A\00", comdat, align 1
+@"??_C at _0BN@HHKJHLBE@?5?5In?5Inner?5_finally?5i?5?$DN?5?$CFd?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [29 x i8] c" In Inner _finally i = %d \0A\00", comdat, align 1
+@"??_C at _0BN@HAIIIOKI@?5?5In?5outer?5_finally?5i?5?$DN?5?$CFd?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [29 x i8] c" In outer _finally i = %d \0A\00", comdat, align 1
+@"??_C at _0BJ@OJMMAGCD@?5?5In?5outer?5_try?5i?5?$DN?5?$CFd?5?6?$AA@" = linkonce_odr dso_local unnamed_addr constant [25 x i8] c" In outer _try i = %d \0A\00", comdat, align 1
+@"??_C at _0CG@ENDJHCGA@?5?9?9?9?5In?5outer?5except?5handler?5i?5?$DN@" = linkonce_odr dso_local unnamed_addr constant [38 x i8] c" --- In outer except handler i = %d \0A\00", comdat, align 1
+
+; Function Attrs: noinline norecurse optnone
+define dso_local i32 @main() #0 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
+entry:
+ %retval = alloca i32, align 4
+ %i = alloca i32, align 4
+ %__exception_code = alloca i32, align 4
+ call void (...) @llvm.localescape(i32* %i)
+ store i32 0, i32* %retval, align 4
+ store i32 0, i32* %i, align 4
+ br label %for.cond
+
+for.cond: ; preds = %for.inc, %entry
+ %0 = load i32, i32* %i, align 4
+ %cmp = icmp slt i32 %0, 3
+ br i1 %cmp, label %for.body, label %for.end
+
+for.body: ; preds = %for.cond
+ %1 = load i32, i32* %i, align 4
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @"??_C at _0CI@MDFPIOJJ@?5?9?9?9?5Test?5_Try?5in?5_finally?5?9?9?9?5i@", i64 0, i64 0), i32 %1)
+ invoke void @llvm.seh.try.begin()
+ to label %invoke.cont unwind label %catch.dispatch
+
+invoke.cont: ; preds = %for.body
+ invoke void @llvm.seh.try.begin()
+ to label %invoke.cont1 unwind label %ehcleanup
+
+invoke.cont1: ; preds = %invoke.cont
+ %2 = load volatile i32, i32* %i, align 4
+ invoke void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @"??_C at _0BJ@OJMMAGCD@?5?5In?5outer?5_try?5i?5?$DN?5?$CFd?5?6?$AA@", i64 0, i64 0), i32 %2) #6
+ to label %invoke.cont2 unwind label %ehcleanup
+
+invoke.cont2: ; preds = %invoke.cont1
+ %3 = load volatile i32, i32* %i, align 4
+ %cmp3 = icmp eq i32 %3, 0
+ br i1 %cmp3, label %if.then, label %if.end
+
+if.then: ; preds = %invoke.cont2
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ br label %if.end
+
+if.end: ; preds = %if.then, %invoke.cont2
+ invoke void @llvm.seh.try.end()
+ to label %invoke.cont4 unwind label %ehcleanup
+
+invoke.cont4: ; preds = %if.end
+ %4 = call i8* @llvm.localaddress()
+ invoke void @"?fin$0 at 0@main@@"(i8 0, i8* %4) #6
+ to label %invoke.cont5 unwind label %catch.dispatch
+
+invoke.cont5: ; preds = %invoke.cont4
+ invoke void @llvm.seh.try.end()
+ to label %invoke.cont7 unwind label %catch.dispatch
+
+catch.dispatch: ; preds = %invoke.cont5, %invoke.cont6, %ehcleanup, %invoke.cont4, %for.body
+ %5 = catchswitch within none [label %__except] unwind to caller
+
+__except: ; preds = %catch.dispatch
+ %6 = catchpad within %5 [i8* null]
+ catchret from %6 to label %__except8
+
+__except8: ; preds = %__except
+ %7 = call i32 @llvm.eh.exceptioncode(token %6)
+ store i32 %7, i32* %__exception_code, align 4
+ %8 = load i32, i32* %i, align 4
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @"??_C at _0CG@ENDJHCGA@?5?9?9?9?5In?5outer?5except?5handler?5i?5?$DN@", i64 0, i64 0), i32 %8)
+ br label %__try.cont
+
+__try.cont: ; preds = %__except8, %invoke.cont7
+ br label %for.inc
+
+for.inc: ; preds = %__try.cont
+ %9 = load i32, i32* %i, align 4
+ %inc = add nsw i32 %9, 1
+ store i32 %inc, i32* %i, align 4
+ br label %for.cond
+
+invoke.cont7: ; preds = %invoke.cont5
+ br label %__try.cont
+
+ehcleanup: ; preds = %if.end, %invoke.cont1, %invoke.cont
+ %10 = cleanuppad within none []
+ %11 = call i8* @llvm.localaddress()
+ invoke void @"?fin$0 at 0@main@@"(i8 1, i8* %11) #6 [ "funclet"(token %10) ]
+ to label %invoke.cont6 unwind label %catch.dispatch
+
+invoke.cont6: ; preds = %ehcleanup
+ cleanupret from %10 unwind label %catch.dispatch
+
+for.end: ; preds = %for.cond
+ ret i32 0
+}
+
+declare dso_local void @"?printf@@YAXZZ"(...) #1
+
+; Function Attrs: nounwind willreturn
+declare dso_local void @llvm.seh.try.begin() #2
+
+declare dso_local i32 @__C_specific_handler(...)
+
+; Function Attrs: noinline
+define internal void @"?fin$0 at 0@main@@"(i8 %abnormal_termination, i8* %frame_pointer) #3 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
+entry:
+ %frame_pointer.addr = alloca i8*, align 8
+ %abnormal_termination.addr = alloca i8, align 1
+ %0 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* %frame_pointer, i32 0)
+ %i = bitcast i8* %0 to i32*
+ store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
+ store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
+ invoke void @llvm.seh.try.begin()
+ to label %invoke.cont unwind label %ehcleanup
+
+invoke.cont: ; preds = %entry
+ %1 = load volatile i32, i32* %i, align 4
+ invoke void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @"??_C at _0BN@HAIIIOKI@?5?5In?5outer?5_finally?5i?5?$DN?5?$CFd?5?6?$AA@", i64 0, i64 0), i32 %1) #6
+ to label %invoke.cont1 unwind label %ehcleanup
+
+invoke.cont1: ; preds = %invoke.cont
+ %2 = load volatile i32, i32* %i, align 4
+ %cmp = icmp eq i32 %2, 1
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %invoke.cont1
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ br label %if.end
+
+if.end: ; preds = %if.then, %invoke.cont1
+ invoke void @llvm.seh.try.end()
+ to label %invoke.cont2 unwind label %ehcleanup
+
+invoke.cont2: ; preds = %if.end
+ call void @"?fin$1 at 0@main@@"(i8 0, i8* %frame_pointer)
+ ret void
+
+ehcleanup: ; preds = %if.end, %invoke.cont, %entry
+ %3 = cleanuppad within none []
+ call void @"?fin$1 at 0@main@@"(i8 1, i8* %frame_pointer) [ "funclet"(token %3) ]
+ cleanupret from %3 unwind to caller
+}
+
+; Function Attrs: nounwind readnone
+declare i8* @llvm.localrecover(i8*, i8*, i32 immarg) #4
+
+; Function Attrs: noinline
+define internal void @"?fin$1 at 0@main@@"(i8 %abnormal_termination, i8* %frame_pointer) #3 {
+entry:
+ %frame_pointer.addr = alloca i8*, align 8
+ %abnormal_termination.addr = alloca i8, align 1
+ %0 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* %frame_pointer, i32 0)
+ %i = bitcast i8* %0 to i32*
+ store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
+ store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
+ %1 = load i32, i32* %i, align 4
+ call void (...) @"?printf@@YAXZZ"(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @"??_C at _0BN@HHKJHLBE@?5?5In?5Inner?5_finally?5i?5?$DN?5?$CFd?5?6?$AA@", i64 0, i64 0), i32 %1)
+ %2 = load i32, i32* %i, align 4
+ %cmp = icmp eq i32 %2, 2
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then: ; preds = %entry
+ store volatile i32 0, i32* inttoptr (i64 17 to i32*), align 4
+ br label %if.end
+
+if.end: ; preds = %if.then, %entry
+ ret void
+}
+
+; Function Attrs: nounwind willreturn
+declare dso_local void @llvm.seh.try.end() #2
+
+; Function Attrs: nounwind readnone
+declare i8* @llvm.localaddress() #4
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.eh.exceptioncode(token) #4
+
+; Function Attrs: nounwind
+declare void @llvm.localescape(...) #5
+
+attributes #0 = { noinline norecurse optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #2 = { nounwind willreturn }
+attributes #3 = { noinline "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #4 = { nounwind readnone }
+attributes #5 = { nounwind }
+attributes #6 = { noinline }
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 1, !"wchar_size", i32 2}
+!1 = !{i32 2, !"eh-asynch", i32 1}
+
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