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101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
//===-- NVPTXISelDAGToDAG.h - A dag to dag inst selector for NVPTX --------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines an instruction selector for the NVPTX target.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXISELDAGTODAG_H
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#define LLVM_LIB_TARGET_NVPTX_NVPTXISELDAGTODAG_H
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#include "NVPTX.h"
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#include "NVPTXISelLowering.h"
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#include "NVPTXRegisterInfo.h"
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#include "NVPTXTargetMachine.h"
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#include "llvm/CodeGen/SelectionDAGISel.h"
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#include "llvm/IR/Intrinsics.h"
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#include "llvm/Support/Compiler.h"
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using namespace llvm;
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namespace {
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class LLVM_LIBRARY_VISIBILITY NVPTXDAGToDAGISel : public SelectionDAGISel {
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const NVPTXTargetMachine &TM;
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// If true, generate mul.wide from sext and mul
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bool doMulWide;
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int getDivF32Level() const;
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bool usePrecSqrtF32() const;
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bool useF32FTZ() const;
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bool allowFMA() const;
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public:
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explicit NVPTXDAGToDAGISel(NVPTXTargetMachine &tm,
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CodeGenOpt::Level OptLevel);
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// Pass Name
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const char *getPassName() const override {
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return "NVPTX DAG->DAG Pattern Instruction Selection";
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}
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bool runOnMachineFunction(MachineFunction &MF) override;
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const NVPTXSubtarget *Subtarget;
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bool SelectInlineAsmMemoryOperand(const SDValue &Op,
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unsigned ConstraintID,
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std::vector<SDValue> &OutOps) override;
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private:
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// Include the pieces autogenerated from the target description.
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#include "NVPTXGenDAGISel.inc"
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SDNode *Select(SDNode *N) override;
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SDNode *SelectIntrinsicNoChain(SDNode *N);
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SDNode *SelectIntrinsicChain(SDNode *N);
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SDNode *SelectTexSurfHandle(SDNode *N);
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SDNode *SelectLoad(SDNode *N);
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SDNode *SelectLoadVector(SDNode *N);
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SDNode *SelectLDGLDU(SDNode *N);
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SDNode *SelectStore(SDNode *N);
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SDNode *SelectStoreVector(SDNode *N);
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SDNode *SelectLoadParam(SDNode *N);
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SDNode *SelectStoreRetval(SDNode *N);
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SDNode *SelectStoreParam(SDNode *N);
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SDNode *SelectAddrSpaceCast(SDNode *N);
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SDNode *SelectTextureIntrinsic(SDNode *N);
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SDNode *SelectSurfaceIntrinsic(SDNode *N);
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SDNode *SelectBFE(SDNode *N);
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inline SDValue getI32Imm(unsigned Imm, SDLoc DL) {
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return CurDAG->getTargetConstant(Imm, DL, MVT::i32);
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}
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// Match direct address complex pattern.
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bool SelectDirectAddr(SDValue N, SDValue &Address);
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bool SelectADDRri_imp(SDNode *OpNode, SDValue Addr, SDValue &Base,
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SDValue &Offset, MVT mvt);
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bool SelectADDRri(SDNode *OpNode, SDValue Addr, SDValue &Base,
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SDValue &Offset);
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bool SelectADDRri64(SDNode *OpNode, SDValue Addr, SDValue &Base,
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SDValue &Offset);
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bool SelectADDRsi_imp(SDNode *OpNode, SDValue Addr, SDValue &Base,
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SDValue &Offset, MVT mvt);
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bool SelectADDRsi(SDNode *OpNode, SDValue Addr, SDValue &Base,
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SDValue &Offset);
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bool SelectADDRsi64(SDNode *OpNode, SDValue Addr, SDValue &Base,
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SDValue &Offset);
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bool ChkMemSDNodeAddressSpace(SDNode *N, unsigned int spN) const;
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};
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}
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#endif
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