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https://github.com/c64scene-ar/llvm-6502.git
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[WinEH] Update exception numbering to give handlers their own base state.
Differential Revision: http://reviews.llvm.org/D9512 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237014 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Kaylor
parent
da4dc2dadc
commit
aeeca679f7
@ -136,6 +136,7 @@ struct WinEHFuncInfo {
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DenseMap<const Function *, int> CatchHandlerParentFrameObjIdx;
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DenseMap<const Function *, int> CatchHandlerParentFrameObjOffset;
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DenseMap<const Function *, int> CatchHandlerMaxState;
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DenseMap<const Function *, int> HandlerBaseState;
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SmallVector<WinEHUnwindMapEntry, 4> UnwindMap;
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SmallVector<WinEHTryBlockMapEntry, 4> TryBlockMap;
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SmallVector<std::pair<MCSymbol *, int>, 4> IPToStateList;
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@ -299,6 +299,17 @@ void Win64Exception::emitCXXFrameHandler3Table(const MachineFunction *MF) {
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// The parent function and the catch handlers contribute to the 'ip2state'
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// table.
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// Include ip2state entries for the beginning of the main function and
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// for catch handler functions.
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if (F == ParentF) {
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FuncInfo.IPToStateList.push_back(std::make_pair(LastLabel, -1));
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LastEHState = -1;
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} else if (FuncInfo.HandlerBaseState.count(F)) {
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FuncInfo.IPToStateList.push_back(std::make_pair(LastLabel,
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FuncInfo.HandlerBaseState[F]));
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LastEHState = FuncInfo.HandlerBaseState[F];
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}
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for (const auto &MBB : *MF) {
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for (const auto &MI : MBB) {
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if (!MI.isEHLabel()) {
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@ -323,7 +334,8 @@ void Win64Exception::emitCXXFrameHandler3Table(const MachineFunction *MF) {
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assert(BeginLabel == LandingPad->BeginLabels[P.RangeIndex] &&
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"Inconsistent landing pad map!");
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if (SawPotentiallyThrowing) {
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// FIXME: Should this be using FuncInfo.HandlerBaseState?
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if (SawPotentiallyThrowing && LastEHState != -1) {
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FuncInfo.IPToStateList.push_back(std::make_pair(LastLabel, -1));
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SawPotentiallyThrowing = false;
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LastEHState = -1;
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@ -82,16 +82,18 @@ static ISD::NodeType getPreferredExtendForValue(const Value *V) {
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namespace {
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struct WinEHNumbering {
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WinEHNumbering(WinEHFuncInfo &FuncInfo) : FuncInfo(FuncInfo), NextState(0) {}
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WinEHNumbering(WinEHFuncInfo &FuncInfo) : FuncInfo(FuncInfo),
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CurrentBaseState(-1), NextState(0) {}
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WinEHFuncInfo &FuncInfo;
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int CurrentBaseState;
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int NextState;
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SmallVector<ActionHandler *, 4> HandlerStack;
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SmallPtrSet<const Function *, 4> VisitedHandlers;
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int currentEHNumber() const {
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return HandlerStack.empty() ? -1 : HandlerStack.back()->getEHState();
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return HandlerStack.empty() ? CurrentBaseState : HandlerStack.back()->getEHState();
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}
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void createUnwindMapEntry(int ToState, ActionHandler *AH);
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@ -401,17 +403,33 @@ static void print_name(const Value *V) {
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void WinEHNumbering::processCallSite(ArrayRef<ActionHandler *> Actions,
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ImmutableCallSite CS) {
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DEBUG(dbgs() << "processCallSite (EH state = " << currentEHNumber()
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<< ") for: ");
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print_name(CS ? CS.getCalledValue() : nullptr);
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DEBUG(dbgs() << '\n');
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DEBUG(dbgs() << "HandlerStack: \n");
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for (int I = 0, E = HandlerStack.size(); I < E; ++I) {
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DEBUG(dbgs() << " ");
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print_name(HandlerStack[I]->getHandlerBlockOrFunc());
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DEBUG(dbgs() << '\n');
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}
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DEBUG(dbgs() << "Actions: \n");
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for (int I = 0, E = Actions.size(); I < E; ++I) {
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DEBUG(dbgs() << " ");
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print_name(Actions[I]->getHandlerBlockOrFunc());
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DEBUG(dbgs() << '\n');
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}
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int FirstMismatch = 0;
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for (int E = std::min(HandlerStack.size(), Actions.size()); FirstMismatch < E;
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++FirstMismatch) {
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if (HandlerStack[FirstMismatch]->getHandlerBlockOrFunc() !=
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Actions[FirstMismatch]->getHandlerBlockOrFunc())
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break;
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// Delete any actions that are already represented on the handler stack.
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delete Actions[FirstMismatch];
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}
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bool EnteringScope = (int)Actions.size() > FirstMismatch;
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// Don't recurse while we are looping over the handler stack. Instead, defer
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// the numbering of the catch handlers until we are done popping.
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SmallVector<CatchHandler *, 4> PoppedCatches;
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@ -425,46 +443,75 @@ void WinEHNumbering::processCallSite(ArrayRef<ActionHandler *> Actions,
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HandlerStack.pop_back();
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}
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// We need to create a new state number if we are exiting a try scope and we
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// will not push any more actions.
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int TryHigh = NextState - 1;
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if (!EnteringScope && !PoppedCatches.empty()) {
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createUnwindMapEntry(currentEHNumber(), nullptr);
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++NextState;
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}
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int LastTryLowIdx = 0;
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for (int I = 0, E = PoppedCatches.size(); I != E; ++I) {
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CatchHandler *CH = PoppedCatches[I];
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DEBUG(dbgs() << "Popped handler with state " << CH->getEHState() << "\n");
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if (I + 1 == E || CH->getEHState() != PoppedCatches[I + 1]->getEHState()) {
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int TryLow = CH->getEHState();
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auto Handlers =
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makeArrayRef(&PoppedCatches[LastTryLowIdx], I - LastTryLowIdx + 1);
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DEBUG(dbgs() << "createTryBlockMapEntry(" << TryLow << ", " << TryHigh);
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for (int J = 0; J < Handlers.size(); ++J) {
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DEBUG(dbgs() << ", ");
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print_name(Handlers[J]->getHandlerBlockOrFunc());
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}
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DEBUG(dbgs() << ")\n");
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createTryBlockMapEntry(TryLow, TryHigh, Handlers);
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LastTryLowIdx = I + 1;
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}
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}
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for (CatchHandler *CH : PoppedCatches) {
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if (auto *F = dyn_cast<Function>(CH->getHandlerBlockOrFunc()))
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if (auto *F = dyn_cast<Function>(CH->getHandlerBlockOrFunc())) {
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DEBUG(dbgs() << "Assigning base state " << NextState << " to ");
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print_name(F);
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DEBUG(dbgs() << '\n');
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FuncInfo.HandlerBaseState[F] = NextState;
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DEBUG(dbgs() << "createUnwindMapEntry(" << currentEHNumber()
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<< ", null)\n");
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createUnwindMapEntry(currentEHNumber(), nullptr);
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++NextState;
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calculateStateNumbers(*F);
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}
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delete CH;
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}
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// The handler functions may have pushed actions onto the handler stack
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// that we expected to push here. Compare the handler stack to our
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// actions again to check for that possibility.
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if (HandlerStack.size() > FirstMismatch) {
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for (int E = std::min(HandlerStack.size(), Actions.size());
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FirstMismatch < E; ++FirstMismatch) {
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if (HandlerStack[FirstMismatch]->getHandlerBlockOrFunc() !=
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Actions[FirstMismatch]->getHandlerBlockOrFunc())
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break;
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delete Actions[FirstMismatch];
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}
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}
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DEBUG(dbgs() << "Pushing actions for CallSite: ");
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print_name(CS ? CS.getCalledValue() : nullptr);
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DEBUG(dbgs() << '\n');
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bool LastActionWasCatch = false;
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for (size_t I = FirstMismatch; I != Actions.size(); ++I) {
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// We can reuse eh states when pushing two catches for the same invoke.
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bool CurrActionIsCatch = isa<CatchHandler>(Actions[I]);
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// FIXME: Reenable this optimization!
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if (CurrActionIsCatch && LastActionWasCatch && false) {
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DEBUG(dbgs() << "setEHState for handler to " << currentEHNumber()
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<< "\n");
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Actions[I]->setEHState(currentEHNumber());
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} else {
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DEBUG(dbgs() << "createUnwindMapEntry(" << currentEHNumber() << ", ");
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print_name(Actions[I]->getHandlerBlockOrFunc());
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DEBUG(dbgs() << ")\n");
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createUnwindMapEntry(currentEHNumber(), Actions[I]);
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DEBUG(dbgs() << "setEHState for handler to " << NextState << "\n");
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Actions[I]->setEHState(NextState);
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NextState++;
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DEBUG(dbgs() << "Creating unwind map entry for: (");
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print_name(Actions[I]->getHandlerBlockOrFunc());
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DEBUG(dbgs() << ", " << currentEHNumber() << ")\n");
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}
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HandlerStack.push_back(Actions[I]);
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LastActionWasCatch = CurrActionIsCatch;
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@ -480,6 +527,11 @@ void WinEHNumbering::calculateStateNumbers(const Function &F) {
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if (!I.second)
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return; // We've already visited this handler, don't renumber it.
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int OldBaseState = CurrentBaseState;
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if (FuncInfo.HandlerBaseState.count(&F)) {
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CurrentBaseState = FuncInfo.HandlerBaseState[&F];
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}
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DEBUG(dbgs() << "Calculating state numbers for: " << F.getName() << '\n');
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SmallVector<ActionHandler *, 4> ActionList;
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for (const BasicBlock &BB : F) {
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@ -498,12 +550,19 @@ void WinEHNumbering::calculateStateNumbers(const Function &F) {
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continue;
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assert(ActionsCall->getIntrinsicID() == Intrinsic::eh_actions);
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parseEHActions(ActionsCall, ActionList);
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if (ActionList.empty())
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continue;
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processCallSite(ActionList, II);
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ActionList.clear();
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FuncInfo.LandingPadStateMap[LPI] = currentEHNumber();
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DEBUG(dbgs() << "Assigning state " << currentEHNumber()
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<< " to landing pad at " << LPI->getParent()->getName()
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<< '\n');
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}
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FuncInfo.CatchHandlerMaxState[&F] = NextState - 1;
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CurrentBaseState = OldBaseState;
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}
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/// clear - Clear out all the function-specific state. This returns this
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@ -120,7 +120,7 @@ stub: ; preds = %entry
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; CHECK-NEXT: .long ($stateUnwindMap$main)@IMGREL
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long ($tryMap$main)@IMGREL
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long 3
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; CHECK-NEXT: .long ($ip2state$main)@IMGREL
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; CHECK-NEXT: .long 40
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; CHECK-NEXT: .long 0
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@ -127,7 +127,7 @@ try.cont8: ; preds = %lpad2, %try.cont
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; CHECK-NEXT: .long ("$stateUnwindMap$?f@@YAXXZ")@IMGREL
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; CHECK-NEXT: .long 2
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; CHECK-NEXT: .long ("$tryMap$?f@@YAXXZ")@IMGREL
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; CHECK-NEXT: .long 3
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; CHECK-NEXT: .long 6
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; CHECK-NEXT: .long ("$ip2state$?f@@YAXXZ")@IMGREL
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; CHECK-NEXT: .long 32
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; CHECK-NEXT: .long 0
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@ -165,8 +165,14 @@ try.cont8: ; preds = %lpad2, %try.cont
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; CHECK-NEXT: .long "?f@@YAXXZ.catch1"@IMGREL
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; CHECK-NEXT: .long ".L?f@@YAXXZ.catch1$parent_frame_offset"
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; CHECK-NEXT:"$ip2state$?f@@YAXXZ":
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; CHECK-NEXT: .long .Lfunc_begin0@IMGREL
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; CHECK-NEXT: .long 2
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; CHECK-NEXT: .long .Ltmp0@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 -1
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; CHECK-NEXT: .long .Ltmp13@IMGREL
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long .Ltmp16@IMGREL
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@ -36,7 +36,7 @@ $_TI1H = comdat any
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; CHECK-NEXT: .long ("$stateUnwindMap$?test1@@YAXXZ")@IMGREL
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long 2
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; CHECK-NEXT: .long ("$ip2state$?test1@@YAXXZ")@IMGREL
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; CHECK-NEXT: .long 32
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; CHECK-NEXT: .long 0
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@ -45,6 +45,8 @@ $_TI1H = comdat any
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; CHECK-NEXT: .long -1
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; CHECK-NEXT: .long "?test1@@YAXXZ.cleanup"@IMGREL
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; CHECK-NEXT:"$ip2state$?test1@@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 0
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289
test/CodeGen/WinEH/cppeh-state-calc-1.ll
Normal file
289
test/CodeGen/WinEH/cppeh-state-calc-1.ll
Normal file
@ -0,0 +1,289 @@
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; 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 {
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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 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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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
|
||||
%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")
|
||||
indirectbr i8* %recover, [label %try.cont, label %try.cont10, label %try.cont22]
|
||||
|
||||
try.cont: ; preds = %lpad
|
||||
call void @"\01?a@@YAXXZ"() #3
|
||||
store i8 97, i8* %tmp2
|
||||
invoke void @_CxxThrowException(i8* %tmp2, %eh.ThrowInfo* @_TI1D) #5
|
||||
to label %unreachable unwind label %lpad3
|
||||
|
||||
lpad3: ; preds = %try.cont
|
||||
%2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
||||
catch %eh.CatchHandlerType* @llvm.eh.handlertype.D.0
|
||||
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
|
||||
catch i8* null
|
||||
%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")
|
||||
indirectbr i8* %recover1, [label %try.cont10, label %try.cont22]
|
||||
|
||||
try.cont10: ; preds = %lpad3, %lpad
|
||||
call void @"\01?one@@YAXXZ"() #3
|
||||
store i32 1, i32* %tmp11
|
||||
%3 = bitcast i32* %tmp11 to i8*
|
||||
invoke void @_CxxThrowException(i8* %3, %eh.ThrowInfo* @_TI1H) #5
|
||||
to label %unreachable unwind label %lpad12
|
||||
|
||||
lpad12: ; preds = %try.cont10
|
||||
%4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
||||
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
|
||||
catch i8* null
|
||||
%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")
|
||||
indirectbr i8* %recover2, [label %try.cont22]
|
||||
|
||||
try.cont22: ; preds = %lpad12, %lpad3, %lpad
|
||||
ret void
|
||||
|
||||
unreachable: ; preds = %try.cont10, %try.cont, %entry
|
||||
unreachable
|
||||
}
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @"\01?two@@YAXXZ"() #1
|
||||
|
||||
declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
|
||||
|
||||
declare i32 @__CxxFrameHandler3(...)
|
||||
|
||||
; Function Attrs: nounwind readnone
|
||||
declare i32 @llvm.eh.typeid.for(i8*) #2
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @"\01?catch_two@@YAXXZ"() #1
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @llvm.eh.endcatch() #3
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @"\01?a@@YAXXZ"() #1
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @"\01?catch_a@@YAXXZ"() #1
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @"\01?one@@YAXXZ"() #1
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @"\01?catch_all@@YAXXZ"() #1
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @"\01?catch_one@@YAXXZ"() #1
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare i8* @llvm.eh.actions(...) #3
|
||||
|
||||
define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) #4 {
|
||||
entry:
|
||||
%x.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 0)
|
||||
%x = bitcast i8* %x.i8 to i32*
|
||||
%2 = bitcast i32* %x to i8*
|
||||
call void @"\01?catch_two@@YAXXZ"() #3
|
||||
invoke void @llvm.donothing()
|
||||
to label %entry.split unwind label %stub
|
||||
|
||||
entry.split: ; preds = %entry
|
||||
ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont)
|
||||
|
||||
stub: ; preds = %entry
|
||||
%3 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
||||
cleanup
|
||||
%recover = call i8* (...) @llvm.eh.actions()
|
||||
unreachable
|
||||
}
|
||||
|
||||
; Function Attrs: nounwind readnone
|
||||
declare void @llvm.donothing() #2
|
||||
|
||||
define internal i8* @"\01?test@@YAXXZ.catch1"(i8*, i8*) #4 {
|
||||
entry:
|
||||
call void @"\01?catch_a@@YAXXZ"() #3
|
||||
invoke void @llvm.donothing()
|
||||
to label %entry.split unwind label %stub
|
||||
|
||||
entry.split: ; preds = %entry
|
||||
ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont10)
|
||||
|
||||
stub: ; preds = %entry
|
||||
%2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
||||
cleanup
|
||||
%recover = call i8* (...) @llvm.eh.actions()
|
||||
unreachable
|
||||
}
|
||||
|
||||
define internal i8* @"\01?test@@YAXXZ.catch2"(i8*, i8*) #4 {
|
||||
entry:
|
||||
%x21.i8 = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1, i32 2)
|
||||
%x21 = bitcast i8* %x21.i8 to i32*
|
||||
%2 = bitcast i32* %x21 to i8*
|
||||
call void @"\01?catch_one@@YAXXZ"() #3
|
||||
invoke void @llvm.donothing()
|
||||
to label %entry.split unwind label %stub
|
||||
|
||||
entry.split: ; preds = %entry
|
||||
ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont22)
|
||||
|
||||
stub: ; preds = %entry
|
||||
%3 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
||||
cleanup
|
||||
%recover = call i8* (...) @llvm.eh.actions()
|
||||
unreachable
|
||||
}
|
||||
|
||||
define internal i8* @"\01?test@@YAXXZ.catch3"(i8*, i8*) #4 {
|
||||
entry:
|
||||
call void @"\01?catch_all@@YAXXZ"() #3
|
||||
invoke void @llvm.donothing()
|
||||
to label %entry.split unwind label %stub
|
||||
|
||||
entry.split: ; preds = %entry
|
||||
ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont22)
|
||||
|
||||
stub: ; preds = %entry
|
||||
%2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
||||
cleanup
|
||||
%recover = call i8* (...) @llvm.eh.actions()
|
||||
unreachable
|
||||
}
|
||||
|
||||
; Function Attrs: nounwind
|
||||
declare void @llvm.frameescape(...) #3
|
||||
|
||||
; Function Attrs: nounwind readnone
|
||||
declare i8* @llvm.framerecover(i8*, i8*, i32) #2
|
||||
|
||||
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" }
|
||||
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" }
|
||||
attributes #2 = { nounwind readnone }
|
||||
attributes #3 = { nounwind }
|
||||
attributes #4 = { "wineh-parent"="?test@@YAXXZ" }
|
||||
attributes #5 = { noreturn }
|
||||
|
||||
!llvm.module.flags = !{!0}
|
||||
!llvm.ident = !{!1}
|
||||
|
||||
!0 = !{i32 1, !"PIC Level", i32 2}
|
||||
!1 = !{!"clang version 3.7.0 (trunk 236059)"}
|
||||
|
||||
; CHECK-LABEL: "$cppxdata$?test@@YAXXZ":
|
||||
; CHECK-NEXT: .long 429065506
|
||||
; CHECK-NEXT: .long
|
||||
; CHECK-NEXT: .long ("$stateUnwindMap$?test@@YAXXZ")@IMGREL
|
||||
; CHECK-NEXT: .long
|
||||
; CHECK-NEXT: .long ("$tryMap$?test@@YAXXZ")@IMGREL
|
||||
; CHECK-NEXT: .long
|
||||
; CHECK-NEXT: .long ("$ip2state$?test@@YAXXZ")@IMGREL
|
||||
; CHECK-NEXT: .long 40
|
||||
; CHECK-NEXT: .long 0
|
||||
; CHECK-NEXT: .long 1
|
||||
; CHECK: "$stateUnwindMap$?test@@YAXXZ":
|
||||
; CHECK: "$tryMap$?test@@YAXXZ":
|
||||
; CHECK: "$handlerMap$0$?test@@YAXXZ":
|
||||
; CHECK: "$ip2state$?test@@YAXXZ":
|
||||
; CHECK-NEXT: .long .Lfunc_begin0@IMGREL
|
||||
; CHECK-NEXT: .long -1
|
||||
; CHECK-NEXT: .long .Ltmp0@IMGREL
|
||||
; CHECK-NEXT: .long 3
|
||||
; CHECK-NEXT: .long .Ltmp3@IMGREL
|
||||
; CHECK-NEXT: .long 2
|
||||
; CHECK-NEXT: .long .Ltmp6@IMGREL
|
||||
; CHECK-NEXT: .long 1
|
||||
; CHECK-NEXT: .long .Lfunc_begin1@IMGREL
|
||||
; CHECK-NEXT: .long 4
|
||||
; CHECK-NEXT: .long .Lfunc_begin2@IMGREL
|
||||
; CHECK-NEXT: .long 5
|
||||
; CHECK-NEXT: .long .Lfunc_begin3@IMGREL
|
||||
; CHECK-NEXT: .long 6
|
||||
; CHECK-NEXT: .long .Lfunc_begin4@IMGREL
|
||||
; CHECK-NEXT: .long 7
|
||||
Loading…
Reference in New Issue
Block a user