diff --git a/include/llvm/MC/MCInst.h b/include/llvm/MC/MCInst.h index a5e4632b2e6..a2ade57fa5f 100644 --- a/include/llvm/MC/MCInst.h +++ b/include/llvm/MC/MCInst.h @@ -25,6 +25,7 @@ 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. @@ -34,7 +35,8 @@ class MCOperand { kRegister, ///< Register operand. kImmediate, ///< Immediate operand. kFPImmediate, ///< Floating-point immediate operand. - kExpr ///< Relocatable immediate operand. + kExpr, ///< Relocatable immediate operand. + kInst ///< Sub-instruction operand. }; unsigned char Kind; @@ -43,6 +45,7 @@ class MCOperand { int64_t ImmVal; double FPImmVal; const MCExpr *ExprVal; + const MCInst *InstVal; }; public: @@ -53,6 +56,7 @@ public: 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 { @@ -94,6 +98,15 @@ public: 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; @@ -118,6 +131,12 @@ public: 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;