class Module;
class PointerType;
class StructType;
-
+
/// MachineModuleInfoImpl - This class can be derived from and used by targets
/// to hold private target-specific information for each Module. Objects of
/// type are accessed/created with MMI::getInfo and destroyed when the
protected:
static SymbolListTy GetSortedStubs(const DenseMap<MCSymbol*, StubValueTy>&);
};
-
-
+
+
//===----------------------------------------------------------------------===//
/// LandingPadInfo - This structure is used to retain landing pad info for
};
class MMIAddrLabelMap;
-
+
//===----------------------------------------------------------------------===//
/// MachineModuleInfo - This class contains meta information specific to a
-/// module. Queries can be made by different debugging and exception handling
+/// module. Queries can be made by different debugging and exception handling
/// schemes and reformated for specific use.
///
class MachineModuleInfo : public ImmutablePass {
/// Context - This is the MCContext used for the entire code generator.
MCContext Context;
-
+
/// TheModule - This is the LLVM Module being worked on.
const Module *TheModule;
-
+
/// ObjFileMMI - This is the object-file-format-specific implementation of
/// MachineModuleInfoImpl, which lets targets accumulate whatever info they
/// want.
// FrameMoves - List of moves done by a function's prolog. Used to construct
// frame maps by debug and exception handling consumers.
std::vector<MachineMove> FrameMoves;
-
+
// LandingPads - List of LandingPadInfo describing the landing pad information
// in the current function.
std::vector<LandingPadInfo> LandingPads;
/// llvm.compiler.used.
SmallPtrSet<const Function *, 32> UsedFunctions;
-
+
/// AddrLabelSymbols - This map keeps track of which symbol is being used for
/// the specified basic block's address of label.
MMIAddrLabelMap *AddrLabelSymbols;
-
+
bool CallsEHReturn;
bool CallsUnwindInit;
-
+
/// DbgInfoAvailable - True if debugging information is available
/// in this module.
bool DbgInfoAvailable;
+ /// True if this module calls VarArg function with floating point arguments.
+ /// This is used to emit an undefined reference to fltused on Windows targets.
+ bool CallsExternalVAFunctionWithFloatingPointArguments;
+
public:
static char ID; // Pass identification, replacement for typeid
MachineModuleInfo(); // DUMMY CONSTRUCTOR, DO NOT CALL.
MachineModuleInfo(const MCAsmInfo &MAI); // Real constructor.
~MachineModuleInfo();
-
+
bool doInitialization();
bool doFinalization();
/// EndFunction - Discard function meta information.
///
void EndFunction();
-
+
const MCContext &getContext() const { return Context; }
MCContext &getContext() { return Context; }
void setModule(const Module *M) { TheModule = M; }
const Module *getModule() const { return TheModule; }
-
+
/// getInfo - Keep track of various per-function pieces of information for
/// backends that would like to do so.
///
ObjFileMMI = new Ty(*this);
return *static_cast<Ty*>(ObjFileMMI);
}
-
+
template<typename Ty>
const Ty &getObjFileInfo() const {
return const_cast<MachineModuleInfo*>(this)->getObjFileInfo<Ty>();
}
-
+
/// AnalyzeModule - Scan the module for global debug information.
///
void AnalyzeModule(const Module &M);
-
+
/// hasDebugInfo - Returns true if valid debug info is present.
///
bool hasDebugInfo() const { return DbgInfoAvailable; }
bool callsUnwindInit() const { return CallsUnwindInit; }
void setCallsUnwindInit(bool b) { CallsUnwindInit = b; }
-
+
+ bool callsExternalVAFunctionWithFloatingPointArguments() const {
+ return CallsExternalVAFunctionWithFloatingPointArguments;
+ }
+
+ void setCallsExternalVAFunctionWithFloatingPointArguments(bool b) {
+ CallsExternalVAFunctionWithFloatingPointArguments = b;
+ }
+
/// getFrameMoves - Returns a reference to a list of moves done in the current
/// function's prologue. Used to construct frame maps for debug and exception
/// handling comsumers.
std::vector<MachineMove> &getFrameMoves() { return FrameMoves; }
-
+
/// getAddrLabelSymbol - Return the symbol to be used for the specified basic
/// block when its address is taken. This cannot be its normal LBB label
/// because the block may be accessed outside its containing function.
/// basic block when its address is taken. If other blocks were RAUW'd to
/// this one, we may have to emit them as well, return the whole set.
std::vector<MCSymbol*> getAddrLabelSymbolToEmit(const BasicBlock *BB);
-
+
/// takeDeletedSymbolsForFunction - If the specified function has had any
/// references to address-taken blocks generated, but the block got deleted,
/// return the symbol now so we can emit it. This prevents emitting a
/// reference to a symbol that has no definition.
- void takeDeletedSymbolsForFunction(const Function *F,
+ void takeDeletedSymbolsForFunction(const Function *F,
std::vector<MCSymbol*> &Result);
-
+
//===- EH ---------------------------------------------------------------===//
/// getOrCreateLandingPadInfo - Find or create an LandingPadInfo for the
/// associate it with a try landing pad block.
void addInvoke(MachineBasicBlock *LandingPad,
MCSymbol *BeginLabel, MCSymbol *EndLabel);
-
- /// addLandingPad - Add a new panding pad. Returns the label ID for the
+
+ /// addLandingPad - Add a new panding pad. Returns the label ID for the
/// landing pad entry.
MCSymbol *addLandingPad(MachineBasicBlock *LandingPad);
-
+
/// addPersonality - Provide the personality function for the exception
/// information.
void addPersonality(MachineBasicBlock *LandingPad,
///
void addCleanup(MachineBasicBlock *LandingPad);
- /// getTypeIDFor - Return the type id for the specified typeinfo. This is
+ /// getTypeIDFor - Return the type id for the specified typeinfo. This is
/// function wide.
unsigned getTypeIDFor(const GlobalVariable *TI);
/// TidyLandingPads - Remap landing pad labels and remove any deleted landing
/// pads.
- void TidyLandingPads();
-
+ void TidyLandingPads(DenseMap<MCSymbol*, uintptr_t> *LPMap = 0);
+
/// getLandingPads - Return a reference to the landing pad info for the
/// current function.
const std::vector<LandingPadInfo> &getLandingPads() const {
VariableDbgInfo.push_back(std::make_pair(N, std::make_pair(Slot, Loc)));
}
- VariableDbgInfoMapTy &getVariableDbgInfo() { return VariableDbgInfo; }
+ VariableDbgInfoMapTy &getVariableDbgInfo() { return VariableDbgInfo; }
}; // End class MachineModuleInfo
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