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Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDILISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDILISelLowering.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDILISelLowering.h b/llvm/lib/Target/AMDGPU/AMDILISelLowering.h new file mode 100644 index 00000000000..817aaf55bf7 --- /dev/null +++ b/llvm/lib/Target/AMDGPU/AMDILISelLowering.h @@ -0,0 +1,203 @@ +//===-- AMDILISelLowering.h - AMDIL 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 AMDIL uses to lower LLVM code into a +// selection DAG. +// +//===----------------------------------------------------------------------===// + +#ifndef AMDIL_ISELLOWERING_H_ +#define AMDIL_ISELLOWERING_H_ +#include "AMDIL.h" +#include "llvm/CodeGen/CallingConvLower.h" +#include "llvm/CodeGen/MachineInstrBuilder.h" +#include "llvm/CodeGen/SelectionDAG.h" +#include "llvm/Target/TargetLowering.h" + +namespace llvm +{ + namespace AMDILISD + { + enum + { + FIRST_NUMBER = ISD::BUILTIN_OP_END, + CMOVLOG, // 32bit FP Conditional move logical instruction + MAD, // 32bit Fused Multiply Add instruction + VBUILD, // scalar to vector mov instruction + CALL, // Function call based on a single integer + SELECT_CC, // Select the correct conditional instruction + UMUL, // 32bit unsigned multiplication + DIV_INF, // Divide with infinity returned on zero divisor + CMP, + IL_CC_I_GT, + IL_CC_I_LT, + IL_CC_I_GE, + IL_CC_I_LE, + IL_CC_I_EQ, + IL_CC_I_NE, + RET_FLAG, + BRANCH_COND, + LAST_ISD_NUMBER + }; + } // AMDILISD + + class MachineBasicBlock; + class MachineInstr; + class DebugLoc; + class TargetInstrInfo; + + class AMDILTargetLowering : public TargetLowering + { + public: + AMDILTargetLowering(TargetMachine &TM); + + virtual SDValue + LowerOperation(SDValue Op, SelectionDAG &DAG) const; + + /// computeMaskedBitsForTargetNode - Determine which of + /// the bits specified + /// in Mask are known to be either zero or one and return them in + /// the + /// KnownZero/KnownOne bitsets. + virtual void + computeMaskedBitsForTargetNode( + const SDValue Op, + APInt &KnownZero, + APInt &KnownOne, + const SelectionDAG &DAG, + unsigned Depth = 0 + ) const; + + virtual bool + getTgtMemIntrinsic(IntrinsicInfo &Info, + const CallInst &I, unsigned Intrinsic) const; + virtual const char* + getTargetNodeName( + unsigned Opcode + ) const; + // We want to mark f32/f64 floating point values as + // legal + bool + isFPImmLegal(const APFloat &Imm, EVT VT) const; + // We don't want to shrink f64/f32 constants because + // they both take up the same amount of space and + // we don't want to use a f2d instruction. + bool ShouldShrinkFPConstant(EVT VT) const; + + /// getFunctionAlignment - Return the Log2 alignment of this + /// function. + virtual unsigned int + getFunctionAlignment(const Function *F) const; + + private: + CCAssignFn* + CCAssignFnForNode(unsigned int CC) const; + + SDValue LowerCallResult(SDValue Chain, + SDValue InFlag, + CallingConv::ID CallConv, + bool isVarArg, + const SmallVectorImpl<ISD::InputArg> &Ins, + DebugLoc dl, + SelectionDAG &DAG, + SmallVectorImpl<SDValue> &InVals) const; + + SDValue LowerMemArgument(SDValue Chain, + CallingConv::ID CallConv, + const SmallVectorImpl<ISD::InputArg> &ArgInfo, + DebugLoc dl, SelectionDAG &DAG, + const CCValAssign &VA, MachineFrameInfo *MFI, + unsigned i) const; + + SDValue LowerMemOpCallTo(SDValue Chain, SDValue StackPtr, + SDValue Arg, + DebugLoc dl, SelectionDAG &DAG, + const CCValAssign &VA, + ISD::ArgFlagsTy Flags) 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(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; + + SDValue + LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerJumpTable(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerConstantPool(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerExternalSymbol(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerSREM(SDValue Op, SelectionDAG &DAG) const; + SDValue + LowerSREM8(SDValue Op, SelectionDAG &DAG) const; + SDValue + LowerSREM16(SDValue Op, SelectionDAG &DAG) const; + SDValue + LowerSREM32(SDValue Op, SelectionDAG &DAG) const; + SDValue + LowerSREM64(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerSDIV(SDValue Op, SelectionDAG &DAG) const; + SDValue + LowerSDIV24(SDValue Op, SelectionDAG &DAG) const; + SDValue + LowerSDIV32(SDValue Op, SelectionDAG &DAG) const; + SDValue + LowerSDIV64(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerSELECT(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerSETCC(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const; + + EVT + genIntType(uint32_t size = 32, uint32_t numEle = 1) const; + + SDValue + LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerBRCOND(SDValue Op, SelectionDAG &DAG) const; + + SDValue + LowerBR_CC(SDValue Op, SelectionDAG &DAG) const; + SDValue + LowerFP_ROUND(SDValue Op, SelectionDAG &DAG) const; + + }; // AMDILTargetLowering +} // end namespace llvm + +#endif // AMDIL_ISELLOWERING_H_ |
