diff options
Diffstat (limited to 'include/llvm/CodeGen/MachineOperand.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineOperand.h | 74 |
1 files changed, 51 insertions, 23 deletions
diff --git a/include/llvm/CodeGen/MachineOperand.h b/include/llvm/CodeGen/MachineOperand.h index 40f3580bfd..57bdb4c7fa 100644 --- a/include/llvm/CodeGen/MachineOperand.h +++ b/include/llvm/CodeGen/MachineOperand.h @@ -43,21 +43,23 @@ class MCSymbol; class MachineOperand { public: enum MachineOperandType { - MO_Register, ///< Register operand. - MO_Immediate, ///< Immediate operand - MO_CImmediate, ///< Immediate >64bit operand - MO_FPImmediate, ///< Floating-point immediate operand - MO_MachineBasicBlock, ///< MachineBasicBlock reference - MO_FrameIndex, ///< Abstract Stack Frame Index - MO_ConstantPoolIndex, ///< Address of indexed Constant in Constant Pool - MO_TargetIndex, ///< Target-dependent index+offset operand. - MO_JumpTableIndex, ///< Address of indexed Jump Table for switch - MO_ExternalSymbol, ///< Name of external global symbol - MO_GlobalAddress, ///< Address of a global value - MO_BlockAddress, ///< Address of a basic block - MO_RegisterMask, ///< Mask of preserved registers. - MO_Metadata, ///< Metadata reference (for debug info) - MO_MCSymbol ///< MCSymbol reference (for debug/eh info) + MO_Register, ///< Register operand. + MO_Immediate, ///< Immediate operand + MO_CImmediate, ///< Immediate >64bit operand + MO_FPImmediate, ///< Floating-point immediate operand + MO_MachineBasicBlock, ///< MachineBasicBlock reference + MO_FrameIndex, ///< Abstract Stack Frame Index + MO_ConstantPoolIndex, ///< Address of indexed Constant in Constant Pool + MO_TargetIndex, ///< Target-dependent index+offset operand. + MO_JumpTableIndex, ///< Address of indexed Jump Table for switch + MO_ExternalSymbol, ///< Name of external global symbol + MO_GlobalAddress, ///< Address of a global value + MO_BlockAddress, ///< Address of a basic block + MO_RegisterMask, ///< Mask of preserved registers. + MO_RegisterLiveOut, ///< Mask of live-out registers. + MO_Metadata, ///< Metadata reference (for debug info) + MO_MCSymbol, ///< MCSymbol reference (for debug/eh info) + MO_CFIIndex ///< MCCFIInstruction index. }; private: @@ -149,13 +151,14 @@ private: /// Contents union - This contains the payload for the various operand types. union { - MachineBasicBlock *MBB; // For MO_MachineBasicBlock. - const ConstantFP *CFP; // For MO_FPImmediate. - const ConstantInt *CI; // For MO_CImmediate. Integers > 64bit. - int64_t ImmVal; // For MO_Immediate. - const uint32_t *RegMask; // For MO_RegisterMask. - const MDNode *MD; // For MO_Metadata. - MCSymbol *Sym; // For MO_MCSymbol + MachineBasicBlock *MBB; // For MO_MachineBasicBlock. + const ConstantFP *CFP; // For MO_FPImmediate. + const ConstantInt *CI; // For MO_CImmediate. Integers > 64bit. + int64_t ImmVal; // For MO_Immediate. + const uint32_t *RegMask; // For MO_RegisterMask and MO_RegisterLiveOut. + const MDNode *MD; // For MO_Metadata. + MCSymbol *Sym; // For MO_MCSymbol. + unsigned CFIIndex; // For MO_CFI. struct { // For MO_Register. // Register number is in SmallContents.RegNo. @@ -246,10 +249,12 @@ public: bool isBlockAddress() const { return OpKind == MO_BlockAddress; } /// isRegMask - Tests if this is a MO_RegisterMask operand. bool isRegMask() const { return OpKind == MO_RegisterMask; } + /// isRegLiveOut - Tests if this is a MO_RegisterLiveOut operand. + bool isRegLiveOut() const { return OpKind == MO_RegisterLiveOut; } /// isMetadata - Tests if this is a MO_Metadata operand. bool isMetadata() const { return OpKind == MO_Metadata; } bool isMCSymbol() const { return OpKind == MO_MCSymbol; } - + bool isCFIIndex() const { return OpKind == MO_CFIIndex; } //===--------------------------------------------------------------------===// // Accessors for Register Operands @@ -440,6 +445,11 @@ public: return Contents.Sym; } + unsigned getCFIIndex() const { + assert(isCFIIndex() && "Wrong MachineOperand accessor"); + return Contents.CFIIndex; + } + /// getOffset - Return the offset from the symbol in this operand. This always /// returns 0 for ExternalSymbol operands. int64_t getOffset() const { @@ -476,6 +486,12 @@ public: return Contents.RegMask; } + /// getRegLiveOut - Returns a bit mask of live-out registers. + const uint32_t *getRegLiveOut() const { + assert(isRegLiveOut() && "Wrong MachineOperand accessor"); + return Contents.RegMask; + } + const MDNode *getMetadata() const { assert(isMetadata() && "Wrong MachineOperand accessor"); return Contents.MD; @@ -659,6 +675,12 @@ public: Op.Contents.RegMask = Mask; return Op; } + static MachineOperand CreateRegLiveOut(const uint32_t *Mask) { + assert(Mask && "Missing live-out register mask"); + MachineOperand Op(MachineOperand::MO_RegisterLiveOut); + Op.Contents.RegMask = Mask; + return Op; + } static MachineOperand CreateMetadata(const MDNode *Meta) { MachineOperand Op(MachineOperand::MO_Metadata); Op.Contents.MD = Meta; @@ -671,6 +693,12 @@ public: return Op; } + static MachineOperand CreateCFIIndex(unsigned CFIIndex) { + MachineOperand Op(MachineOperand::MO_CFIIndex); + Op.Contents.CFIIndex = CFIIndex; + return Op; + } + friend class MachineInstr; friend class MachineRegisterInfo; private: |