X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCInst.h;h=e91c6a2e8ee7b1af18af62d005059f6df342d764;hb=685d3486535dc4be65028e01a730a0b3d4803021;hp=0fc4d186b975cd03e695f0bd6f6148deb438ee28;hpb=b6a2fc080f47eabdcaabf0101e9ca7c95e9d8bdc;p=oota-llvm.git diff --git a/include/llvm/MC/MCInst.h b/include/llvm/MC/MCInst.h index 0fc4d186b97..e91c6a2e8ee 100644 --- a/include/llvm/MC/MCInst.h +++ b/include/llvm/MC/MCInst.h @@ -17,12 +17,16 @@ #define LLVM_MC_MCINST_H #include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/StringRef.h" #include "llvm/Support/DataTypes.h" +#include "llvm/Support/SMLoc.h" namespace llvm { class raw_ostream; class MCAsmInfo; +class MCInstPrinter; class MCExpr; +class MCInst; /// MCOperand - Instances of this class represent operands of the MCInst class. /// This is a simple discriminated union. @@ -31,25 +35,30 @@ class MCOperand { kInvalid, ///< Uninitialized. kRegister, ///< Register operand. kImmediate, ///< Immediate operand. - kExpr ///< Relocatable immediate operand. + kFPImmediate, ///< Floating-point immediate operand. + kExpr, ///< Relocatable immediate operand. + kInst ///< Sub-instruction operand. }; unsigned char Kind; - + union { unsigned RegVal; int64_t ImmVal; + double FPImmVal; const MCExpr *ExprVal; + const MCInst *InstVal; }; public: - - MCOperand() : Kind(kInvalid) {} - MCOperand(const MCOperand &RHS) { *this = RHS; } + + MCOperand() : Kind(kInvalid), FPImmVal(0.0) {} bool isValid() const { return Kind != kInvalid; } bool isReg() const { return Kind == kRegister; } bool isImm() const { return Kind == kImmediate; } + bool isFPImm() const { return Kind == kFPImmediate; } bool isExpr() const { return Kind == kExpr; } - + bool isInst() const { return Kind == kInst; } + /// getReg - Returns the register number. unsigned getReg() const { assert(isReg() && "This is not a register operand!"); @@ -61,7 +70,7 @@ public: assert(isReg() && "This is not a register operand!"); RegVal = Reg; } - + int64_t getImm() const { assert(isImm() && "This is not an immediate"); return ImmVal; @@ -70,7 +79,17 @@ public: assert(isImm() && "This is not an immediate"); ImmVal = Val; } - + + double getFPImm() const { + assert(isFPImm() && "This is not an FP immediate"); + return FPImmVal; + } + + void setFPImm(double Val) { + assert(isFPImm() && "This is not an FP immediate"); + FPImmVal = Val; + } + const MCExpr *getExpr() const { assert(isExpr() && "This is not an expression"); return ExprVal; @@ -79,7 +98,16 @@ public: assert(isExpr() && "This is not an expression"); ExprVal = Val; } - + + const MCInst *getInst() const { + assert(isInst() && "This is not a sub-instruction"); + return InstVal; + } + void setInst(const MCInst *Val) { + assert(isInst() && "This is not a sub-instruction"); + InstVal = Val; + } + static MCOperand CreateReg(unsigned Reg) { MCOperand Op; Op.Kind = kRegister; @@ -92,42 +120,84 @@ public: Op.ImmVal = Val; return Op; } + static MCOperand CreateFPImm(double Val) { + MCOperand Op; + Op.Kind = kFPImmediate; + Op.FPImmVal = Val; + return Op; + } static MCOperand CreateExpr(const MCExpr *Val) { MCOperand Op; Op.Kind = kExpr; Op.ExprVal = Val; return Op; } + static MCOperand CreateInst(const MCInst *Val) { + MCOperand Op; + Op.Kind = kInst; + Op.InstVal = Val; + return Op; + } void print(raw_ostream &OS, const MCAsmInfo *MAI) const; void dump() const; }; - +template <> struct isPodLike { static const bool value = true; }; + /// MCInst - Instances of this class represent a single low-level machine -/// instruction. +/// instruction. class MCInst { unsigned Opcode; + SMLoc Loc; SmallVector Operands; public: MCInst() : Opcode(0) {} - + void setOpcode(unsigned Op) { Opcode = Op; } - unsigned getOpcode() const { return Opcode; } + void setLoc(SMLoc loc) { Loc = loc; } + SMLoc getLoc() const { return Loc; } + const MCOperand &getOperand(unsigned i) const { return Operands[i]; } MCOperand &getOperand(unsigned i) { return Operands[i]; } unsigned getNumOperands() const { return Operands.size(); } - + void addOperand(const MCOperand &Op) { Operands.push_back(Op); } + void clear() { Operands.clear(); } + size_t size() { return Operands.size(); } + + typedef SmallVector::iterator iterator; + iterator begin() { return Operands.begin(); } + iterator end() { return Operands.end(); } + iterator insert(iterator I, const MCOperand &Op) { + return Operands.insert(I, Op); + } + void print(raw_ostream &OS, const MCAsmInfo *MAI) const; void dump() const; + + /// \brief Dump the MCInst as prettily as possible using the additional MC + /// structures, if given. Operators are separated by the \p Separator + /// string. + void dump_pretty(raw_ostream &OS, const MCAsmInfo *MAI = 0, + const MCInstPrinter *Printer = 0, + StringRef Separator = " ") const; }; +inline raw_ostream& operator<<(raw_ostream &OS, const MCOperand &MO) { + MO.print(OS, 0); + return OS; +} + +inline raw_ostream& operator<<(raw_ostream &OS, const MCInst &MI) { + MI.print(OS, 0); + return OS; +} } // end namespace llvm