diff options
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAGNodes.h')
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 7c8d044eed..a289772ff0 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -55,7 +55,7 @@ namespace ISD { // Various leaf nodes. Constant, ConstantFP, GlobalAddress, FrameIndex, ConstantPool, - BasicBlock, ExternalSymbol, + BasicBlock, ExternalSymbol, VALUETYPE, // CopyToReg - This node has chain and child nodes, and an associated // register number. The instruction selector must guarantee that the value @@ -148,8 +148,8 @@ namespace ISD { // SIGN_EXTEND_INREG - This operator atomically performs a SHL/SRA pair to // sign extend a small value in a large integer register (e.g. sign // extending the low 8 bits of a 32-bit register to fill the top 24 bits - // with the 7th bit). The size of the smaller type is indicated by the - // ExtraValueType in the MVTSDNode for the operator. + // with the 7th bit). The size of the smaller type is indicated by the 1th + // operand, a ValueType node. SIGN_EXTEND_INREG, // FP_TO_[US]INT - Convert a floating point value to a signed or unsigned @@ -164,8 +164,8 @@ namespace ISD { // FP_ROUND_INREG - This operator takes a floating point register, and // rounds it to a floating point value. It then promotes it and returns it // in a register of the same size. This operation effectively just discards - // excess precision. The type to round down to is specified by the - // ExtraValueType in the MVTSDNode (currently always 64->32->64). + // excess precision. The type to round down to is specified by the 1th + // operation, a VTSDNode (currently always 64->32->64). FP_ROUND_INREG, // FP_EXTEND - Extend a smaller FP type into a larger FP type. @@ -843,6 +843,25 @@ public: } }; +/// VTSDNode - This class is used to represent MVT::ValueType's, which are used +/// to parameterize some operations. +class VTSDNode : public SDNode { + MVT::ValueType ValueType; +protected: + friend class SelectionDAG; + VTSDNode(MVT::ValueType VT) + : SDNode(ISD::VALUETYPE, MVT::Other), ValueType(VT) {} +public: + + MVT::ValueType getVT() const { return ValueType; } + + static bool classof(const VTSDNode *) { return true; } + static bool classof(const SDNode *N) { + return N->getOpcode() == ISD::VALUETYPE; + } +}; + + /// MVTSDNode - This class is used for operators that require an extra /// value-type to be kept with the node. class MVTSDNode : public SDNode { @@ -871,8 +890,6 @@ public: static bool classof(const MVTSDNode *) { return true; } static bool classof(const SDNode *N) { return - N->getOpcode() == ISD::SIGN_EXTEND_INREG || - N->getOpcode() == ISD::FP_ROUND_INREG || N->getOpcode() == ISD::EXTLOAD || N->getOpcode() == ISD::SEXTLOAD || N->getOpcode() == ISD::ZEXTLOAD || @@ -931,9 +948,6 @@ template <> struct GraphTraits<SDNode*> { } }; - - - } // end llvm namespace #endif |