/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.h
Line | Count | Source |
1 | | //===-- NVPTXISelDAGToDAG.h - A dag to dag inst selector for NVPTX --------===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This file defines an instruction selector for the NVPTX target. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXISELDAGTODAG_H |
15 | | #define LLVM_LIB_TARGET_NVPTX_NVPTXISELDAGTODAG_H |
16 | | |
17 | | #include "NVPTX.h" |
18 | | #include "NVPTXISelLowering.h" |
19 | | #include "NVPTXRegisterInfo.h" |
20 | | #include "NVPTXTargetMachine.h" |
21 | | #include "llvm/CodeGen/SelectionDAGISel.h" |
22 | | #include "llvm/IR/Intrinsics.h" |
23 | | #include "llvm/Support/Compiler.h" |
24 | | |
25 | | namespace llvm { |
26 | | |
27 | | class LLVM_LIBRARY_VISIBILITY NVPTXDAGToDAGISel : public SelectionDAGISel { |
28 | | const NVPTXTargetMachine &TM; |
29 | | |
30 | | // If true, generate mul.wide from sext and mul |
31 | | bool doMulWide; |
32 | | |
33 | | int getDivF32Level() const; |
34 | | bool usePrecSqrtF32() const; |
35 | | bool useF32FTZ() const; |
36 | | bool allowFMA() const; |
37 | | bool allowUnsafeFPMath() const; |
38 | | |
39 | | public: |
40 | | explicit NVPTXDAGToDAGISel(NVPTXTargetMachine &tm, |
41 | | CodeGenOpt::Level OptLevel); |
42 | | |
43 | | // Pass Name |
44 | 1 | StringRef getPassName() const override { |
45 | 1 | return "NVPTX DAG->DAG Pattern Instruction Selection"; |
46 | 1 | } |
47 | | bool runOnMachineFunction(MachineFunction &MF) override; |
48 | | const NVPTXSubtarget *Subtarget; |
49 | | |
50 | | bool SelectInlineAsmMemoryOperand(const SDValue &Op, |
51 | | unsigned ConstraintID, |
52 | | std::vector<SDValue> &OutOps) override; |
53 | | private: |
54 | | // Include the pieces autogenerated from the target description. |
55 | | #include "NVPTXGenDAGISel.inc" |
56 | | |
57 | | void Select(SDNode *N) override; |
58 | | bool tryIntrinsicNoChain(SDNode *N); |
59 | | bool tryIntrinsicChain(SDNode *N); |
60 | | void SelectTexSurfHandle(SDNode *N); |
61 | | void SelectMatchAll(SDNode *N); |
62 | | bool tryLoad(SDNode *N); |
63 | | bool tryLoadVector(SDNode *N); |
64 | | bool tryLDGLDU(SDNode *N); |
65 | | bool tryStore(SDNode *N); |
66 | | bool tryStoreVector(SDNode *N); |
67 | | bool tryLoadParam(SDNode *N); |
68 | | bool tryStoreRetval(SDNode *N); |
69 | | bool tryStoreParam(SDNode *N); |
70 | | void SelectAddrSpaceCast(SDNode *N); |
71 | | bool tryTextureIntrinsic(SDNode *N); |
72 | | bool trySurfaceIntrinsic(SDNode *N); |
73 | | bool tryBFE(SDNode *N); |
74 | | bool tryConstantFP16(SDNode *N); |
75 | | bool SelectSETP_F16X2(SDNode *N); |
76 | | bool tryEXTRACT_VECTOR_ELEMENT(SDNode *N); |
77 | | |
78 | 16.0k | inline SDValue getI32Imm(unsigned Imm, const SDLoc &DL) { |
79 | 16.0k | return CurDAG->getTargetConstant(Imm, DL, MVT::i32); |
80 | 16.0k | } |
81 | | |
82 | | // Match direct address complex pattern. |
83 | | bool SelectDirectAddr(SDValue N, SDValue &Address); |
84 | | |
85 | | bool SelectADDRri_imp(SDNode *OpNode, SDValue Addr, SDValue &Base, |
86 | | SDValue &Offset, MVT mvt); |
87 | | bool SelectADDRri(SDNode *OpNode, SDValue Addr, SDValue &Base, |
88 | | SDValue &Offset); |
89 | | bool SelectADDRri64(SDNode *OpNode, SDValue Addr, SDValue &Base, |
90 | | SDValue &Offset); |
91 | | |
92 | | bool SelectADDRsi_imp(SDNode *OpNode, SDValue Addr, SDValue &Base, |
93 | | SDValue &Offset, MVT mvt); |
94 | | bool SelectADDRsi(SDNode *OpNode, SDValue Addr, SDValue &Base, |
95 | | SDValue &Offset); |
96 | | bool SelectADDRsi64(SDNode *OpNode, SDValue Addr, SDValue &Base, |
97 | | SDValue &Offset); |
98 | | |
99 | | bool ChkMemSDNodeAddressSpace(SDNode *N, unsigned int spN) const; |
100 | | |
101 | | static unsigned GetConvertOpcode(MVT DestTy, MVT SrcTy, bool IsSigned); |
102 | | }; |
103 | | } // end namespace llvm |
104 | | |
105 | | #endif |