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Diffstat (limited to 'lib/Target/MBlaze/MBlazeISelLowering.h')
| -rw-r--r-- | lib/Target/MBlaze/MBlazeISelLowering.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/lib/Target/MBlaze/MBlazeISelLowering.h b/lib/Target/MBlaze/MBlazeISelLowering.h deleted file mode 100644 index f6b4095..0000000 --- a/lib/Target/MBlaze/MBlazeISelLowering.h +++ /dev/null @@ -1,179 +0,0 @@ -//===-- MBlazeISelLowering.h - MBlaze DAG Lowering Interface ----*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines the interfaces that MBlaze uses to lower LLVM code into a -// selection DAG. -// -//===----------------------------------------------------------------------===// - -#ifndef MBlazeISELLOWERING_H -#define MBlazeISELLOWERING_H - -#include "MBlaze.h" -#include "MBlazeSubtarget.h" -#include "llvm/CodeGen/SelectionDAG.h" -#include "llvm/Support/ErrorHandling.h" -#include "llvm/Target/TargetLowering.h" - -namespace llvm { - namespace MBlazeCC { - enum CC { - FIRST = 0, - EQ, - NE, - GT, - LT, - GE, - LE - }; - - inline static CC getOppositeCondition(CC cc) { - switch (cc) { - default: llvm_unreachable("Unknown condition code"); - case EQ: return NE; - case NE: return EQ; - case GT: return LE; - case LT: return GE; - case GE: return LT; - case LE: return GE; - } - } - - inline static const char *MBlazeCCToString(CC cc) { - switch (cc) { - default: llvm_unreachable("Unknown condition code"); - case EQ: return "eq"; - case NE: return "ne"; - case GT: return "gt"; - case LT: return "lt"; - case GE: return "ge"; - case LE: return "le"; - } - } - } - - namespace MBlazeISD { - enum NodeType { - // Start the numbering from where ISD NodeType finishes. - FIRST_NUMBER = ISD::BUILTIN_OP_END, - - // Jump and link (call) - JmpLink, - - // Handle gp_rel (small data/bss sections) relocation. - GPRel, - - // Select CC Pseudo Instruction - Select_CC, - - // Wrap up multiple types of instructions - Wrap, - - // Integer Compare - ICmp, - - // Return from subroutine - Ret, - - // Return from interrupt - IRet - }; - } - - //===--------------------------------------------------------------------===// - // TargetLowering Implementation - //===--------------------------------------------------------------------===// - - class MBlazeTargetLowering : public TargetLowering { - public: - explicit MBlazeTargetLowering(MBlazeTargetMachine &TM); - - /// LowerOperation - Provide custom lowering hooks for some operations. - virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; - - /// getTargetNodeName - This method returns the name of a target specific - // DAG node. - virtual const char *getTargetNodeName(unsigned Opcode) const; - - /// getSetCCResultType - get the ISD::SETCC result ValueType - EVT getSetCCResultType(EVT VT) const; - - private: - // Subtarget Info - const MBlazeSubtarget *Subtarget; - - - // Lower Operand helpers - SDValue LowerCallResult(SDValue Chain, SDValue InFlag, - CallingConv::ID CallConv, bool isVarArg, - const SmallVectorImpl<ISD::InputArg> &Ins, - DebugLoc dl, SelectionDAG &DAG, - SmallVectorImpl<SDValue> &InVals) const; - - // Lower Operand specifics - SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const; - SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const; - SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const; - SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const; - SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; - SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const; - - virtual SDValue - LowerFormalArguments(SDValue Chain, - CallingConv::ID CallConv, bool isVarArg, - const SmallVectorImpl<ISD::InputArg> &Ins, - DebugLoc dl, SelectionDAG &DAG, - SmallVectorImpl<SDValue> &InVals) const; - - virtual SDValue - LowerCall(TargetLowering::CallLoweringInfo &CLI, - SmallVectorImpl<SDValue> &InVals) const; - - virtual SDValue - LowerReturn(SDValue Chain, - CallingConv::ID CallConv, bool isVarArg, - const SmallVectorImpl<ISD::OutputArg> &Outs, - const SmallVectorImpl<SDValue> &OutVals, - DebugLoc dl, SelectionDAG &DAG) const; - - virtual MachineBasicBlock* - EmitCustomShift(MachineInstr *MI, MachineBasicBlock *MBB) const; - - virtual MachineBasicBlock* - EmitCustomSelect(MachineInstr *MI, MachineBasicBlock *MBB) const; - - virtual MachineBasicBlock* - EmitCustomAtomic(MachineInstr *MI, MachineBasicBlock *MBB) const; - - virtual MachineBasicBlock * - EmitInstrWithCustomInserter(MachineInstr *MI, - MachineBasicBlock *MBB) const; - - // Inline asm support - ConstraintType getConstraintType(const std::string &Constraint) const; - - /// Examine constraint string and operand type and determine a weight value. - /// The operand object must already have been set up with the operand type. - ConstraintWeight getSingleConstraintMatchWeight( - AsmOperandInfo &info, const char *constraint) const; - - std::pair<unsigned, const TargetRegisterClass*> - getRegForInlineAsmConstraint(const std::string &Constraint, - EVT VT) const; - - virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const; - - /// isFPImmLegal - Returns true if the target can instruction select the - /// specified FP immediate natively. If false, the legalizer will - /// materialize the FP immediate as a load from a constant pool. - virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const; - }; -} - -#endif // MBlazeISELLOWERING_H |