X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FMachineModuleInfo.h;h=b51020654af558267e05629114433a44597d5f36;hp=f8f74153f5e28a29b41301f07d8fd69c091e11fd;hb=eb3d76da81e2148ed7c577594c873ba147f4f435;hpb=1359c6d71858c0de618474e5a51efaced42deca6 diff --git a/include/llvm/CodeGen/MachineModuleInfo.h b/include/llvm/CodeGen/MachineModuleInfo.h index f8f74153f5e..b51020654af 100644 --- a/include/llvm/CodeGen/MachineModuleInfo.h +++ b/include/llvm/CodeGen/MachineModuleInfo.h @@ -31,19 +31,18 @@ #ifndef LLVM_CODEGEN_MACHINEMODULEINFO_H #define LLVM_CODEGEN_MACHINEMODULEINFO_H -#include "llvm/Pass.h" -#include "llvm/GlobalValue.h" -#include "llvm/Metadata.h" -#include "llvm/MC/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 { @@ -107,40 +106,42 @@ class MachineModuleInfo : public ImmutablePass { /// 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 FrameMoves; + /// List of moves done by a function's prolog. Used to construct frame maps + /// by debug and exception handling consumers. + std::vector FrameInstructions; - // CompactUnwindEncoding - If the target supports it, this is the compact - // unwind encoding. It replaces a function's CIE and FDE. + /// 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. + /// LandingPads - List of LandingPadInfo describing the landing pad + /// information in the current function. std::vector 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 > LPadToCallSiteMap; + + /// CallSiteMap - Map of invoke call site index values to associated begin + /// EH_LABEL for the current function. DenseMap 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 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 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 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 Personalities; /// UsedFunctions - The functions in the @llvm.used list in a more easily @@ -148,7 +149,6 @@ class MachineModuleInfo : public ImmutablePass { /// llvm.compiler.used. SmallPtrSet UsedFunctions; - /// AddrLabelSymbols - This map keeps track of which symbol is being used for /// the specified basic block's address of label. MMIAddrLabelMap *AddrLabelSymbols; @@ -160,9 +160,10 @@ class MachineModuleInfo : public ImmutablePass { /// 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 @@ -178,8 +179,9 @@ public: const MCObjectFileInfo *MOFI); ~MachineModuleInfo(); - bool doInitialization(); - bool doFinalization(); + // Initialization and Finalization + virtual bool doInitialization(Module &); + virtual bool doFinalization(Module &); /// EndFunction - Discard function meta information. /// @@ -221,18 +223,24 @@ public: 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 &getFrameMoves() { return FrameMoves; } + const std::vector &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 @@ -293,19 +301,19 @@ public: /// 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 &TyInfo); + ArrayRef TyInfo); /// addFilterTypeInfo - Provide the filter typeinfo for a landing pad. /// void addFilterTypeInfo(MachineBasicBlock *LandingPad, - std::vector &TyInfo); + ArrayRef TyInfo); /// addCleanup - Add a cleanup action for a landing pad. /// @@ -329,24 +337,48 @@ public: 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 Sites); + + /// getCallSiteLandingPad - Get the call site indexes for a landing pad EH + /// symbol. + SmallVectorImpl &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.