#ifndef LLVM_CODEGEN_MACHINEMODULEINFO_H
#define LLVM_CODEGEN_MACHINEMODULEINFO_H
-#include "llvm/Pass.h"
-#include "llvm/GlobalValue.h"
-#include "llvm/Metadata.h"
-#include "llvm/CodeGen/MachineLocation.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/Support/Dwarf.h"
-#include "llvm/Support/DebugLoc.h"
-#include "llvm/Support/ValueHandle.h"
-#include "llvm/Support/DataTypes.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/ValueHandle.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MachineLocation.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/DebugLoc.h"
+#include "llvm/Support/Dwarf.h"
namespace llvm {
/// want.
MachineModuleInfoImpl *ObjFileMMI;
- // 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;
+ /// List of moves done by a function's prolog. Used to construct frame maps
+ /// by debug and exception handling consumers.
+ std::vector<MCCFIInstruction> FrameInstructions;
- // LandingPads - List of LandingPadInfo describing the landing pad information
- // in the current function.
+ /// CompactUnwindEncoding - If the target supports it, this is the compact
+ /// unwind encoding. It replaces a function's CIE and FDE.
+ uint32_t CompactUnwindEncoding;
+
+ /// LandingPads - List of LandingPadInfo describing the landing pad
+ /// information in the current function.
std::vector<LandingPadInfo> LandingPads;
- // Map of invoke call site index values to associated begin EH_LABEL for
- // the current function.
+ /// LPadToCallSiteMap - Map a landing pad's EH symbol to the call site
+ /// indexes.
+ DenseMap<MCSymbol*, SmallVector<unsigned, 4> > LPadToCallSiteMap;
+
+ /// CallSiteMap - Map of invoke call site index values to associated begin
+ /// EH_LABEL for the current function.
DenseMap<MCSymbol*, unsigned> CallSiteMap;
- // The current call site index being processed, if any. 0 if none.
+ /// CurCallSite - The current call site index being processed, if any. 0 if
+ /// none.
unsigned CurCallSite;
- // TypeInfos - List of C++ TypeInfo used in the current function.
- //
+ /// TypeInfos - List of C++ TypeInfo used in the current function.
std::vector<const GlobalVariable *> TypeInfos;
- // FilterIds - List of typeids encoding filters used in the current function.
- //
+ /// FilterIds - List of typeids encoding filters used in the current function.
std::vector<unsigned> FilterIds;
- // FilterEnds - List of the indices in FilterIds corresponding to filter
- // terminators.
- //
+ /// FilterEnds - List of the indices in FilterIds corresponding to filter
+ /// terminators.
std::vector<unsigned> FilterEnds;
- // Personalities - Vector of all personality functions ever seen. Used to emit
- // common EH frames.
+ /// Personalities - Vector of all personality functions ever seen. Used to
+ /// emit common EH frames.
std::vector<const Function *> Personalities;
/// UsedFunctions - The functions in the @llvm.used list in a more easily
/// 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;
/// 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;
+ /// UsesVAFloatArgument - 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 UsesVAFloatArgument;
public:
static char ID; // Pass identification, replacement for typeid
MachineModuleInfo(); // DUMMY CONSTRUCTOR, DO NOT CALL.
// Real constructor.
- MachineModuleInfo(const MCAsmInfo &MAI, const TargetAsmInfo *TAI);
+ MachineModuleInfo(const MCAsmInfo &MAI, const MCRegisterInfo &MRI,
+ const MCObjectFileInfo *MOFI);
~MachineModuleInfo();
- bool doInitialization();
- bool doFinalization();
+ // Initialization and Finalization
+ virtual bool doInitialization(Module &);
+ virtual bool doFinalization(Module &);
/// EndFunction - Discard function meta information.
///
bool callsUnwindInit() const { return CallsUnwindInit; }
void setCallsUnwindInit(bool b) { CallsUnwindInit = b; }
- bool callsExternalVAFunctionWithFloatingPointArguments() const {
- return CallsExternalVAFunctionWithFloatingPointArguments;
+ bool usesVAFloatArgument() const {
+ return UsesVAFloatArgument;
}
- void setCallsExternalVAFunctionWithFloatingPointArguments(bool b) {
- CallsExternalVAFunctionWithFloatingPointArguments = b;
+ void setUsesVAFloatArgument(bool b) {
+ UsesVAFloatArgument = b;
}
- /// getFrameMoves - Returns a reference to a list of moves done in the current
+ /// \brief Returns a reference to a list of cfi instructions in the current
/// function's prologue. Used to construct frame maps for debug and exception
/// handling comsumers.
- std::vector<MachineMove> &getFrameMoves() { return FrameMoves; }
+ const std::vector<MCCFIInstruction> &getFrameInstructions() const {
+ return FrameInstructions;
+ }
+
+ void addFrameInst(const MCCFIInstruction &Inst) {
+ FrameInstructions.push_back(Inst);
+ }
+
+ /// getCompactUnwindEncoding - Returns the compact unwind encoding for a
+ /// function if the target supports the encoding. This encoding replaces a
+ /// function's CIE and FDE.
+ uint32_t getCompactUnwindEncoding() const { return CompactUnwindEncoding; }
+
+ /// setCompactUnwindEncoding - Set the compact unwind encoding for a function
+ /// if the target supports the encoding.
+ void setCompactUnwindEncoding(uint32_t Enc) { CompactUnwindEncoding = Enc; }
/// getAddrLabelSymbol - Return the symbol to be used for the specified basic
/// block when its address is taken. This cannot be its normal LBB label
/// isUsedFunction - Return true if the functions in the llvm.used list. This
/// does not return true for things in llvm.compiler.used unless they are also
/// in llvm.used.
- bool isUsedFunction(const Function *F) {
+ bool isUsedFunction(const Function *F) const {
return UsedFunctions.count(F);
}
/// addCatchTypeInfo - Provide the catch typeinfo for a landing pad.
///
void addCatchTypeInfo(MachineBasicBlock *LandingPad,
- std::vector<const GlobalVariable *> &TyInfo);
+ ArrayRef<const GlobalVariable *> TyInfo);
/// addFilterTypeInfo - Provide the filter typeinfo for a landing pad.
///
void addFilterTypeInfo(MachineBasicBlock *LandingPad,
- std::vector<const GlobalVariable *> &TyInfo);
+ ArrayRef<const GlobalVariable *> TyInfo);
/// addCleanup - Add a cleanup action for a landing pad.
///
return LandingPads;
}
- /// setCallSiteBeginLabel - Map the begin label for a call site
+ /// setCallSiteLandingPad - Map the landing pad's EH symbol to the call
+ /// site indexes.
+ void setCallSiteLandingPad(MCSymbol *Sym, ArrayRef<unsigned> Sites);
+
+ /// getCallSiteLandingPad - Get the call site indexes for a landing pad EH
+ /// symbol.
+ SmallVectorImpl<unsigned> &getCallSiteLandingPad(MCSymbol *Sym) {
+ assert(hasCallSiteLandingPad(Sym) &&
+ "missing call site number for landing pad!");
+ return LPadToCallSiteMap[Sym];
+ }
+
+ /// hasCallSiteLandingPad - Return true if the landing pad Eh symbol has an
+ /// associated call site.
+ bool hasCallSiteLandingPad(MCSymbol *Sym) {
+ return !LPadToCallSiteMap[Sym].empty();
+ }
+
+ /// setCallSiteBeginLabel - Map the begin label for a call site.
void setCallSiteBeginLabel(MCSymbol *BeginLabel, unsigned Site) {
CallSiteMap[BeginLabel] = Site;
}
- /// getCallSiteBeginLabel - Get the call site number for a begin label
+ /// getCallSiteBeginLabel - Get the call site number for a begin label.
unsigned getCallSiteBeginLabel(MCSymbol *BeginLabel) {
- assert(CallSiteMap.count(BeginLabel) &&
+ assert(hasCallSiteBeginLabel(BeginLabel) &&
"Missing call site number for EH_LABEL!");
return CallSiteMap[BeginLabel];
}
+ /// hasCallSiteBeginLabel - Return true if the begin label has a call site
+ /// number associated with it.
+ bool hasCallSiteBeginLabel(MCSymbol *BeginLabel) {
+ return CallSiteMap[BeginLabel] != 0;
+ }
+
/// setCurrentCallSite - Set the call site currently being processed.
void setCurrentCallSite(unsigned Site) { CurCallSite = Site; }
/// getCurrentCallSite - Get the call site currently being processed, if any.
/// return zero if none.
- unsigned getCurrentCallSite(void) { return CurCallSite; }
+ unsigned getCurrentCallSite() { return CurCallSite; }
/// getTypeInfos - Return a reference to the C++ typeinfo for the current
/// function.
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