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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 | ||
1a4d82fc JJ |
14 | #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXISELDAGTODAG_H |
15 | #define LLVM_LIB_TARGET_NVPTX_NVPTXISELDAGTODAG_H | |
223e47cc LB |
16 | |
17 | #include "NVPTX.h" | |
18 | #include "NVPTXISelLowering.h" | |
19 | #include "NVPTXRegisterInfo.h" | |
20 | #include "NVPTXTargetMachine.h" | |
21 | #include "llvm/CodeGen/SelectionDAGISel.h" | |
970d7e83 | 22 | #include "llvm/IR/Intrinsics.h" |
223e47cc | 23 | #include "llvm/Support/Compiler.h" |
223e47cc LB |
24 | using namespace llvm; |
25 | ||
26 | namespace { | |
27 | ||
28 | class LLVM_LIBRARY_VISIBILITY NVPTXDAGToDAGISel : public SelectionDAGISel { | |
29 | ||
223e47cc LB |
30 | // If true, generate mul.wide from sext and mul |
31 | bool doMulWide; | |
32 | ||
1a4d82fc JJ |
33 | int getDivF32Level() const; |
34 | bool usePrecSqrtF32() const; | |
35 | bool useF32FTZ() const; | |
36 | bool allowFMA() const; | |
37 | ||
223e47cc LB |
38 | public: |
39 | explicit NVPTXDAGToDAGISel(NVPTXTargetMachine &tm, | |
1a4d82fc | 40 | CodeGenOpt::Level OptLevel); |
223e47cc LB |
41 | |
42 | // Pass Name | |
1a4d82fc | 43 | const char *getPassName() const override { |
223e47cc LB |
44 | return "NVPTX DAG->DAG Pattern Instruction Selection"; |
45 | } | |
46 | ||
47 | const NVPTXSubtarget &Subtarget; | |
48 | ||
1a4d82fc JJ |
49 | bool SelectInlineAsmMemoryOperand(const SDValue &Op, |
50 | char ConstraintCode, | |
51 | std::vector<SDValue> &OutOps) override; | |
223e47cc | 52 | private: |
1a4d82fc | 53 | // Include the pieces autogenerated from the target description. |
223e47cc LB |
54 | #include "NVPTXGenDAGISel.inc" |
55 | ||
1a4d82fc JJ |
56 | SDNode *Select(SDNode *N) override; |
57 | SDNode *SelectIntrinsicNoChain(SDNode *N); | |
58 | SDNode *SelectIntrinsicChain(SDNode *N); | |
59 | SDNode *SelectTexSurfHandle(SDNode *N); | |
970d7e83 LB |
60 | SDNode *SelectLoad(SDNode *N); |
61 | SDNode *SelectLoadVector(SDNode *N); | |
1a4d82fc | 62 | SDNode *SelectLDGLDU(SDNode *N); |
970d7e83 LB |
63 | SDNode *SelectStore(SDNode *N); |
64 | SDNode *SelectStoreVector(SDNode *N); | |
1a4d82fc JJ |
65 | SDNode *SelectLoadParam(SDNode *N); |
66 | SDNode *SelectStoreRetval(SDNode *N); | |
67 | SDNode *SelectStoreParam(SDNode *N); | |
68 | SDNode *SelectAddrSpaceCast(SDNode *N); | |
69 | SDNode *SelectTextureIntrinsic(SDNode *N); | |
70 | SDNode *SelectSurfaceIntrinsic(SDNode *N); | |
71 | SDNode *SelectBFE(SDNode *N); | |
72 | ||
223e47cc LB |
73 | inline SDValue getI32Imm(unsigned Imm) { |
74 | return CurDAG->getTargetConstant(Imm, MVT::i32); | |
75 | } | |
76 | ||
77 | // Match direct address complex pattern. | |
78 | bool SelectDirectAddr(SDValue N, SDValue &Address); | |
79 | ||
80 | bool SelectADDRri_imp(SDNode *OpNode, SDValue Addr, SDValue &Base, | |
81 | SDValue &Offset, MVT mvt); | |
82 | bool SelectADDRri(SDNode *OpNode, SDValue Addr, SDValue &Base, | |
83 | SDValue &Offset); | |
84 | bool SelectADDRri64(SDNode *OpNode, SDValue Addr, SDValue &Base, | |
85 | SDValue &Offset); | |
86 | ||
87 | bool SelectADDRsi_imp(SDNode *OpNode, SDValue Addr, SDValue &Base, | |
88 | SDValue &Offset, MVT mvt); | |
89 | bool SelectADDRsi(SDNode *OpNode, SDValue Addr, SDValue &Base, | |
90 | SDValue &Offset); | |
91 | bool SelectADDRsi64(SDNode *OpNode, SDValue Addr, SDValue &Base, | |
92 | SDValue &Offset); | |
93 | ||
223e47cc LB |
94 | bool ChkMemSDNodeAddressSpace(SDNode *N, unsigned int spN) const; |
95 | ||
223e47cc LB |
96 | }; |
97 | } | |
1a4d82fc JJ |
98 | |
99 | #endif |