#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/ADT/PointerUnion.h"
+#include "llvm/Analysis/LibCallSemantics.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/Passes.h"
+#include "llvm/CodeGen/WinEHFuncInfo.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GlobalVariable.h"
DbgInfoAvailable = UsesVAFloatArgument = UsesMorestackAddr = false;
// Always emit some info, by default "no personality" info.
Personalities.push_back(nullptr);
- PersonalityTypeCache = EHPersonality::None;
+ PersonalityTypeCache = EHPersonality::Unknown;
AddrLabelSymbols = nullptr;
TheModule = nullptr;
Personalities.push_back(Personality);
}
+void MachineModuleInfo::addWinEHState(MachineBasicBlock *LandingPad,
+ int State) {
+ LandingPadInfo &LP = getOrCreateLandingPadInfo(LandingPad);
+ LP.WinEHState = State;
+}
+
/// addCatchTypeInfo - Provide the catch typeinfo for a landing pad.
///
void MachineModuleInfo::
LP.TypeIds.push_back(0);
}
-MCSymbol *
-MachineModuleInfo::addClauseForLandingPad(MachineBasicBlock *LandingPad) {
- MCSymbol *ClauseLabel = Context.CreateTempSymbol();
+void MachineModuleInfo::addSEHCatchHandler(MachineBasicBlock *LandingPad,
+ const Function *Filter,
+ const BlockAddress *RecoverBA) {
+ LandingPadInfo &LP = getOrCreateLandingPadInfo(LandingPad);
+ SEHHandler Handler;
+ Handler.FilterOrFinally = Filter;
+ Handler.RecoverBA = RecoverBA;
+ LP.SEHHandlers.push_back(Handler);
+}
+
+void MachineModuleInfo::addSEHCleanupHandler(MachineBasicBlock *LandingPad,
+ const Function *Cleanup) {
LandingPadInfo &LP = getOrCreateLandingPadInfo(LandingPad);
- LP.ClauseLabels.push_back(ClauseLabel);
- return ClauseLabel;
+ SEHHandler Handler;
+ Handler.FilterOrFinally = Cleanup;
+ Handler.RecoverBA = nullptr;
+ LP.SEHHandlers.push_back(Handler);
}
/// TidyLandingPads - Remap landing pad labels and remove any deleted landing
return nullptr;
}
-EHPersonality MachineModuleInfo::getPersonalityTypeSlow() {
- const Function *Per = getPersonality();
- if (!Per)
- PersonalityTypeCache = EHPersonality::None;
- else if (Per->getName() == "__C_specific_handler")
- PersonalityTypeCache = EHPersonality::Win64SEH;
- else // Assume everything else is Itanium.
- PersonalityTypeCache = EHPersonality::Itanium;
+EHPersonality MachineModuleInfo::getPersonalityType() {
+ if (PersonalityTypeCache == EHPersonality::Unknown) {
+ if (const Function *F = getPersonality())
+ PersonalityTypeCache = classifyEHPersonality(F);
+ }
return PersonalityTypeCache;
}
// in the zero index.
return 0;
}
+
+const Function *MachineModuleInfo::getWinEHParent(const Function *F) const {
+ StringRef WinEHParentName =
+ F->getFnAttribute("wineh-parent").getValueAsString();
+ if (WinEHParentName.empty() || WinEHParentName == F->getName())
+ return F;
+ return F->getParent()->getFunction(WinEHParentName);
+}
+
+WinEHFuncInfo &MachineModuleInfo::getWinEHFuncInfo(const Function *F) {
+ auto &Ptr = FuncInfoMap[getWinEHParent(F)];
+ if (!Ptr)
+ Ptr.reset(new WinEHFuncInfo);
+ return *Ptr;
+}