X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSelectionDAG%2FLegalizeTypes.h;h=add3dcdf1bc3a540019e660930582e7659106ee9;hb=041cde26eaf4ef6171ff1a44aeedd08d7a1cba6c;hp=a472a296b5d7888be7de394e2732a1337751ef5d;hpb=69b01e92a29ce6d7e435171aeea3fbc987b81586;p=oota-llvm.git diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/lib/CodeGen/SelectionDAG/LegalizeTypes.h index a472a296b5d..add3dcdf1bc 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeTypes.h +++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.h @@ -62,7 +62,7 @@ private: Legal, // The target natively supports this type. PromoteInteger, // Replace this integer type with a larger one. ExpandInteger, // Split this integer type into two of half the size. - PromoteFloat, // Convert this float type to a same size integer type. + SoftenFloat, // Convert this float type to a same size integer type. ExpandFloat, // Split this float type into two of half the size. Scalarize, // Replace this one-element vector type with its element type. Split // This vector type should be split into smaller vectors. @@ -95,7 +95,7 @@ private: return ExpandInteger; else if (VT.getSizeInBits() == TLI.getTypeToTransformTo(VT).getSizeInBits()) - return PromoteFloat; + return SoftenFloat; else return ExpandFloat; } else if (VT.getVectorNumElements() == 1) { @@ -119,9 +119,9 @@ private: /// indicates which operands are the expanded version of the input. DenseMap > ExpandedIntegers; - /// PromotedFloats - For floating point nodes converted to integers of + /// SoftenedFloats - For floating point nodes converted to integers of /// the same size, this map indicates the converted value to use. - DenseMap PromotedFloats; + DenseMap SoftenedFloats; /// ExpandedFloats - For float nodes that need to be expanded this map /// indicates which operands are the expanded version of the input. @@ -267,30 +267,23 @@ private: void ExpandIntegerResult(SDNode *N, unsigned ResNo); void ExpandIntRes_ANY_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_AssertZext (SDNode *N, SDOperand &Lo, SDOperand &Hi); - void ExpandIntRes_BIT_CONVERT (SDNode *N, SDOperand &Lo, SDOperand &Hi); - void ExpandIntRes_BUILD_PAIR (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_Constant (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_CTLZ (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_CTPOP (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_CTTZ (SDNode *N, SDOperand &Lo, SDOperand &Hi); - void ExpandIntRes_EXTRACT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_LOAD (LoadSDNode *N, SDOperand &Lo, SDOperand &Hi); - void ExpandIntRes_MERGE_VALUES (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_SIGN_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_SIGN_EXTEND_INREG (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_TRUNCATE (SDNode *N, SDOperand &Lo, SDOperand &Hi); - void ExpandIntRes_UNDEF (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_ZERO_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_FP_TO_SINT (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_FP_TO_UINT (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_Logical (SDNode *N, SDOperand &Lo, SDOperand &Hi); - void ExpandIntRes_BSWAP (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_ADDSUB (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_ADDSUBC (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_ADDSUBE (SDNode *N, SDOperand &Lo, SDOperand &Hi); - void ExpandIntRes_SELECT (SDNode *N, SDOperand &Lo, SDOperand &Hi); - void ExpandIntRes_SELECT_CC (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandIntRes_BSWAP (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_MUL (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_SDIV (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandIntRes_SREM (SDNode *N, SDOperand &Lo, SDOperand &Hi); @@ -308,42 +301,49 @@ private: SDOperand ExpandIntOp_BR_CC(SDNode *N); SDOperand ExpandIntOp_BUILD_VECTOR(SDNode *N); SDOperand ExpandIntOp_EXTRACT_ELEMENT(SDNode *N); + SDOperand ExpandIntOp_SELECT_CC(SDNode *N); SDOperand ExpandIntOp_SETCC(SDNode *N); SDOperand ExpandIntOp_SINT_TO_FP(SDOperand Source, MVT DestTy); SDOperand ExpandIntOp_STORE(StoreSDNode *N, unsigned OpNo); SDOperand ExpandIntOp_TRUNCATE(SDNode *N); SDOperand ExpandIntOp_UINT_TO_FP(SDOperand Source, MVT DestTy); - void ExpandSetCCOperands(SDOperand &NewLHS, SDOperand &NewRHS, - ISD::CondCode &CCCode); + void IntegerExpandSetCCOperands(SDOperand &NewLHS, SDOperand &NewRHS, + ISD::CondCode &CCCode); //===--------------------------------------------------------------------===// // Float to Integer Conversion Support: LegalizeFloatTypes.cpp //===--------------------------------------------------------------------===// - SDOperand GetPromotedFloat(SDOperand Op) { - SDOperand &PromotedOp = PromotedFloats[Op]; - RemapNode(PromotedOp); - assert(PromotedOp.Val && "Operand wasn't converted to integer?"); - return PromotedOp; + SDOperand GetSoftenedFloat(SDOperand Op) { + SDOperand &SoftenedOp = SoftenedFloats[Op]; + RemapNode(SoftenedOp); + assert(SoftenedOp.Val && "Operand wasn't converted to integer?"); + return SoftenedOp; } - void SetPromotedFloat(SDOperand Op, SDOperand Result); + void SetSoftenedFloat(SDOperand Op, SDOperand Result); // Result Float to Integer Conversion. - void PromoteFloatResult(SDNode *N, unsigned OpNo); - SDOperand PromoteFloatRes_BIT_CONVERT(SDNode *N); - SDOperand PromoteFloatRes_BUILD_PAIR(SDNode *N); - SDOperand PromoteFloatRes_ConstantFP(ConstantFPSDNode *N); - SDOperand PromoteFloatRes_FADD(SDNode *N); - SDOperand PromoteFloatRes_FCOPYSIGN(SDNode *N); - SDOperand PromoteFloatRes_FMUL(SDNode *N); - SDOperand PromoteFloatRes_FSUB(SDNode *N); - SDOperand PromoteFloatRes_LOAD(SDNode *N); - SDOperand PromoteFloatRes_XINT_TO_FP(SDNode *N); + void SoftenFloatResult(SDNode *N, unsigned OpNo); + SDOperand SoftenFloatRes_BIT_CONVERT(SDNode *N); + SDOperand SoftenFloatRes_BUILD_PAIR(SDNode *N); + SDOperand SoftenFloatRes_ConstantFP(ConstantFPSDNode *N); + SDOperand SoftenFloatRes_FADD(SDNode *N); + SDOperand SoftenFloatRes_FCOPYSIGN(SDNode *N); + SDOperand SoftenFloatRes_FMUL(SDNode *N); + SDOperand SoftenFloatRes_FSUB(SDNode *N); + SDOperand SoftenFloatRes_LOAD(SDNode *N); + SDOperand SoftenFloatRes_XINT_TO_FP(SDNode *N); // Operand Float to Integer Conversion. - bool PromoteFloatOperand(SDNode *N, unsigned OpNo); - SDOperand PromoteFloatOp_BIT_CONVERT(SDNode *N); + bool SoftenFloatOperand(SDNode *N, unsigned OpNo); + SDOperand SoftenFloatOp_BIT_CONVERT(SDNode *N); + SDOperand SoftenFloatOp_BR_CC(SDNode *N); + SDOperand SoftenFloatOp_SELECT_CC(SDNode *N); + SDOperand SoftenFloatOp_SETCC(SDNode *N); + + void SoftenSetCCOperands(SDOperand &NewLHS, SDOperand &NewRHS, + ISD::CondCode &CCCode); //===--------------------------------------------------------------------===// // Float Expansion Support: LegalizeFloatTypes.cpp @@ -354,9 +354,26 @@ private: // Float Result Expansion. void ExpandFloatResult(SDNode *N, unsigned ResNo); + void ExpandFloatRes_ConstantFP(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandFloatRes_FADD (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandFloatRes_FDIV (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandFloatRes_FMUL (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandFloatRes_FSUB (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandFloatRes_LOAD (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandFloatRes_XINT_TO_FP(SDNode *N, SDOperand &Lo, SDOperand &Hi); // Float Operand Expansion. bool ExpandFloatOperand(SDNode *N, unsigned OperandNo); + SDOperand ExpandFloatOp_BR_CC(SDNode *N); + SDOperand ExpandFloatOp_FP_ROUND(SDNode *N); + SDOperand ExpandFloatOp_FP_TO_SINT(SDNode *N); + SDOperand ExpandFloatOp_FP_TO_UINT(SDNode *N); + SDOperand ExpandFloatOp_SELECT_CC(SDNode *N); + SDOperand ExpandFloatOp_SETCC(SDNode *N); + SDOperand ExpandFloatOp_STORE(SDNode *N, unsigned OpNo); + + void FloatExpandSetCCOperands(SDOperand &NewLHS, SDOperand &NewRHS, + ISD::CondCode &CCCode); //===--------------------------------------------------------------------===// // Scalarization Support: LegalizeVectorTypes.cpp @@ -372,22 +389,22 @@ private: // Vector Result Scalarization: <1 x ty> -> ty. void ScalarizeResult(SDNode *N, unsigned OpNo); - SDOperand ScalarizeRes_BinOp(SDNode *N); - SDOperand ScalarizeRes_UnaryOp(SDNode *N); + SDOperand ScalarizeVecRes_BinOp(SDNode *N); + SDOperand ScalarizeVecRes_UnaryOp(SDNode *N); - SDOperand ScalarizeRes_BIT_CONVERT(SDNode *N); - SDOperand ScalarizeRes_FPOWI(SDNode *N); - SDOperand ScalarizeRes_INSERT_VECTOR_ELT(SDNode *N); - SDOperand ScalarizeRes_LOAD(LoadSDNode *N); - SDOperand ScalarizeRes_SELECT(SDNode *N); - SDOperand ScalarizeRes_UNDEF(SDNode *N); - SDOperand ScalarizeRes_VECTOR_SHUFFLE(SDNode *N); + SDOperand ScalarizeVecRes_BIT_CONVERT(SDNode *N); + SDOperand ScalarizeVecRes_FPOWI(SDNode *N); + SDOperand ScalarizeVecRes_INSERT_VECTOR_ELT(SDNode *N); + SDOperand ScalarizeVecRes_LOAD(LoadSDNode *N); + SDOperand ScalarizeVecRes_SELECT(SDNode *N); + SDOperand ScalarizeVecRes_UNDEF(SDNode *N); + SDOperand ScalarizeVecRes_VECTOR_SHUFFLE(SDNode *N); // Vector Operand Scalarization: <1 x ty> -> ty. bool ScalarizeOperand(SDNode *N, unsigned OpNo); - SDOperand ScalarizeOp_BIT_CONVERT(SDNode *N); - SDOperand ScalarizeOp_EXTRACT_VECTOR_ELT(SDNode *N); - SDOperand ScalarizeOp_STORE(StoreSDNode *N, unsigned OpNo); + SDOperand ScalarizeVecOp_BIT_CONVERT(SDNode *N); + SDOperand ScalarizeVecOp_EXTRACT_VECTOR_ELT(SDNode *N); + SDOperand ScalarizeVecOp_STORE(StoreSDNode *N, unsigned OpNo); //===--------------------------------------------------------------------===// // Vector Splitting Support: LegalizeVectorTypes.cpp @@ -399,29 +416,86 @@ private: // Vector Result Splitting: <128 x ty> -> 2 x <64 x ty>. void SplitResult(SDNode *N, unsigned OpNo); - void SplitRes_UNDEF(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_LOAD(LoadSDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_BUILD_PAIR(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_INSERT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_VECTOR_SHUFFLE(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_UNDEF(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_LOAD(LoadSDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_BUILD_PAIR(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_INSERT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_VECTOR_SHUFFLE(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_BUILD_VECTOR(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_CONCAT_VECTORS(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_BIT_CONVERT(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_UnOp(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_BinOp(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_FPOWI(SDNode *N, SDOperand &Lo, SDOperand &Hi); - void SplitRes_SELECT(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_BUILD_VECTOR(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_CONCAT_VECTORS(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_BIT_CONVERT(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_UnOp(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_BinOp(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_FPOWI(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitVecRes_SELECT(SDNode *N, SDOperand &Lo, SDOperand &Hi); // Vector Operand Splitting: <128 x ty> -> 2 x <64 x ty>. bool SplitOperand(SDNode *N, unsigned OpNo); - SDOperand SplitOp_BIT_CONVERT(SDNode *N); - SDOperand SplitOp_EXTRACT_SUBVECTOR(SDNode *N); - SDOperand SplitOp_EXTRACT_VECTOR_ELT(SDNode *N); - SDOperand SplitOp_RET(SDNode *N, unsigned OpNo); - SDOperand SplitOp_STORE(StoreSDNode *N, unsigned OpNo); - SDOperand SplitOp_VECTOR_SHUFFLE(SDNode *N, unsigned OpNo); + SDOperand SplitVecOp_BIT_CONVERT(SDNode *N); + SDOperand SplitVecOp_EXTRACT_SUBVECTOR(SDNode *N); + SDOperand SplitVecOp_EXTRACT_VECTOR_ELT(SDNode *N); + SDOperand SplitVecOp_RET(SDNode *N, unsigned OpNo); + SDOperand SplitVecOp_STORE(StoreSDNode *N, unsigned OpNo); + SDOperand SplitVecOp_VECTOR_SHUFFLE(SDNode *N, unsigned OpNo); + + //===--------------------------------------------------------------------===// + // Generic Splitting: LegalizeTypesGeneric.cpp + //===--------------------------------------------------------------------===// + + // Legalization methods which only use that the illegal type is split into two + // not necessarily identical types. As such they can be used for splitting + // vectors and expanding integers and floats. + + void GetSplitOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi) { + if (Op.getValueType().isVector()) + GetSplitVector(Op, Lo, Hi); + else if (Op.getValueType().isInteger()) + GetExpandedInteger(Op, Lo, Hi); + else + GetExpandedFloat(Op, Lo, Hi); + } + + /// GetSplitDestVTs - Compute the VTs needed for the low/hi parts of a type + /// which is split (or expanded) into two not necessarily identical pieces. + void GetSplitDestVTs(MVT InVT, MVT &LoVT, MVT &HiVT); + + // Generic Result Splitting. + void SplitRes_MERGE_VALUES(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitRes_SELECT (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitRes_SELECT_CC (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void SplitRes_UNDEF (SDNode *N, SDOperand &Lo, SDOperand &Hi); + + //===--------------------------------------------------------------------===// + // Generic Expansion: LegalizeTypesGeneric.cpp + //===--------------------------------------------------------------------===// + + // Legalization methods which only use that the illegal type is split into two + // identical types of half the size, and that the Lo/Hi part is stored first + // in memory on little/big-endian machines, followed by the Hi/Lo part. As + // such they can be used for expanding integers and floats. + + void GetExpandedOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi) { + if (Op.getValueType().isInteger()) + GetExpandedInteger(Op, Lo, Hi); + else + GetExpandedFloat(Op, Lo, Hi); + } + + // Generic Result Expansion. + void ExpandRes_BIT_CONVERT (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandRes_BUILD_PAIR (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandRes_EXTRACT_ELEMENT (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandRes_EXTRACT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandRes_NormalLoad (SDNode *N, SDOperand &Lo, SDOperand &Hi); + + // Generic Operand Expansion. + SDOperand ExpandOp_BIT_CONVERT (SDNode *N); + SDOperand ExpandOp_BUILD_VECTOR (SDNode *N); + SDOperand ExpandOp_EXTRACT_ELEMENT(SDNode *N); + SDOperand ExpandOp_NormalStore (SDNode *N, unsigned OpNo); + }; } // end namespace llvm.