LLVM 19.0.0git
NVPTXISelDAGToDAG.h
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1//===-- NVPTXISelDAGToDAG.h - A dag to dag inst selector for NVPTX --------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines an instruction selector for the NVPTX target.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXISELDAGTODAG_H
14#define LLVM_LIB_TARGET_NVPTX_NVPTXISELDAGTODAG_H
15
17#include "NVPTX.h"
18#include "NVPTXISelLowering.h"
19#include "NVPTXRegisterInfo.h"
20#include "NVPTXTargetMachine.h"
22#include "llvm/IR/InlineAsm.h"
23#include "llvm/IR/Intrinsics.h"
25
26namespace llvm {
27
30
31 // If true, generate mul.wide from sext and mul
32 bool doMulWide;
33
34 int getDivF32Level() const;
35 bool usePrecSqrtF32() const;
36 bool useF32FTZ() const;
37 bool allowFMA() const;
38 bool allowUnsafeFPMath() const;
39 bool useShortPointers() const;
40
41public:
42 static char ID;
43
45
47
48 bool runOnMachineFunction(MachineFunction &MF) override;
49 const NVPTXSubtarget *Subtarget = nullptr;
50
51 bool SelectInlineAsmMemoryOperand(const SDValue &Op,
52 InlineAsm::ConstraintCode ConstraintID,
53 std::vector<SDValue> &OutOps) override;
54
55private:
56// Include the pieces autogenerated from the target description.
57#include "NVPTXGenDAGISel.inc"
58
59 void Select(SDNode *N) override;
60 bool tryIntrinsicNoChain(SDNode *N);
61 bool tryIntrinsicChain(SDNode *N);
62 void SelectTexSurfHandle(SDNode *N);
63 bool tryLoad(SDNode *N);
64 bool tryLoadVector(SDNode *N);
65 bool tryLDGLDU(SDNode *N);
66 bool tryStore(SDNode *N);
67 bool tryStoreVector(SDNode *N);
68 bool tryLoadParam(SDNode *N);
69 bool tryStoreRetval(SDNode *N);
70 bool tryStoreParam(SDNode *N);
71 void SelectAddrSpaceCast(SDNode *N);
72 bool tryTextureIntrinsic(SDNode *N);
73 bool trySurfaceIntrinsic(SDNode *N);
74 bool tryBFE(SDNode *N);
75 bool tryConstantFP(SDNode *N);
76 bool SelectSETP_F16X2(SDNode *N);
77 bool SelectSETP_BF16X2(SDNode *N);
78 bool tryEXTRACT_VECTOR_ELEMENT(SDNode *N);
79
80 inline SDValue getI32Imm(unsigned Imm, const SDLoc &DL) {
81 return CurDAG->getTargetConstant(Imm, DL, MVT::i32);
82 }
83
84 // Match direct address complex pattern.
85 bool SelectDirectAddr(SDValue N, SDValue &Address);
86
87 bool SelectADDRri_imp(SDNode *OpNode, SDValue Addr, SDValue &Base,
88 SDValue &Offset, MVT mvt);
89 bool SelectADDRri(SDNode *OpNode, SDValue Addr, SDValue &Base,
91 bool SelectADDRri64(SDNode *OpNode, SDValue Addr, SDValue &Base,
93 bool SelectADDRsi_imp(SDNode *OpNode, SDValue Addr, SDValue &Base,
94 SDValue &Offset, MVT mvt);
95 bool SelectADDRsi(SDNode *OpNode, SDValue Addr, SDValue &Base,
97 bool SelectADDRsi64(SDNode *OpNode, SDValue Addr, SDValue &Base,
99
100 bool ChkMemSDNodeAddressSpace(SDNode *N, unsigned int spN) const;
101
102 static unsigned GetConvertOpcode(MVT DestTy, MVT SrcTy, LoadSDNode *N);
103};
104} // end namespace llvm
105
106#endif
MachineBasicBlock MachineBasicBlock::iterator DebugLoc DL
amdgpu AMDGPU Register Bank Select
#define LLVM_LIBRARY_VISIBILITY
Definition: Compiler.h:131
uint64_t Addr
uint64_t Offset
Definition: ELF_riscv.cpp:478
const char LLVMTargetMachineRef TM
This class represents an Operation in the Expression.
This class is used to represent ISD::LOAD nodes.
Machine Value Type.
Wrapper class for IR location info (IR ordering and DebugLoc) to be passed into SDNode creation funct...
Represents one node in the SelectionDAG.
Unlike LLVM values, Selection DAG nodes may return multiple values as the result of a computation.
SelectionDAGISel - This is the common base class used for SelectionDAG-based pattern-matching instruc...
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
CodeGenOptLevel
Code generation optimization level.
Definition: CodeGen.h:54
#define N