1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
//===-- MipsSEISelLowering.h - MipsSE 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.
//
//===----------------------------------------------------------------------===//
//
// Subclass of MipsTargetLowering specialized for mips32/64.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSSEISELLOWERING_H
#define MIPSSEISELLOWERING_H
#include "MipsISelLowering.h"
#include "MipsRegisterInfo.h"
namespace llvm {
class MipsSETargetLowering : public MipsTargetLowering {
public:
explicit MipsSETargetLowering(MipsTargetMachine &TM);
/// \brief Enable MSA support for the given integer type and Register
/// class.
void addMSAIntType(MVT::SimpleValueType Ty, const TargetRegisterClass *RC);
/// \brief Enable MSA support for the given floating-point type and
/// Register class.
void addMSAFloatType(MVT::SimpleValueType Ty,
const TargetRegisterClass *RC);
bool allowsUnalignedMemoryAccesses(EVT VT, unsigned AS = 0,
bool *Fast = nullptr) const override;
SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override;
MachineBasicBlock *
EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *MBB) const override;
bool isShuffleMaskLegal(const SmallVectorImpl<int> &Mask,
EVT VT) const override {
return false;
}
const TargetRegisterClass *getRepRegClassFor(MVT VT) const override;
private:
bool isEligibleForTailCallOptimization(const MipsCC &MipsCCInfo,
unsigned NextStackOffset,
const MipsFunctionInfo& FI) const override;
void
getOpndList(SmallVectorImpl<SDValue> &Ops,
std::deque< std::pair<unsigned, SDValue> > &RegsToPass,
bool IsPICCall, bool GlobalOrExternal, bool InternalLinkage,
CallLoweringInfo &CLI, SDValue Callee,
SDValue Chain) const override;
SDValue lowerLOAD(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerSTORE(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerMulDiv(SDValue Op, unsigned NewOpc, bool HasLo, bool HasHi,
SelectionDAG &DAG) const;
SDValue lowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerINTRINSIC_W_CHAIN(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerINTRINSIC_VOID(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const;
/// \brief Lower VECTOR_SHUFFLE into one of a number of instructions
/// depending on the indices in the shuffle.
SDValue lowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const;
MachineBasicBlock *emitBPOSGE32(MachineInstr *MI,
MachineBasicBlock *BB) const;
MachineBasicBlock *emitMSACBranchPseudo(MachineInstr *MI,
MachineBasicBlock *BB,
unsigned BranchOp) const;
/// \brief Emit the COPY_FW pseudo instruction
MachineBasicBlock *emitCOPY_FW(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the COPY_FD pseudo instruction
MachineBasicBlock *emitCOPY_FD(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the INSERT_FW pseudo instruction
MachineBasicBlock *emitINSERT_FW(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the INSERT_FD pseudo instruction
MachineBasicBlock *emitINSERT_FD(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the INSERT_([BHWD]|F[WD])_VIDX pseudo instruction
MachineBasicBlock *emitINSERT_DF_VIDX(MachineInstr *MI,
MachineBasicBlock *BB,
unsigned EltSizeInBytes,
bool IsFP) const;
/// \brief Emit the FILL_FW pseudo instruction
MachineBasicBlock *emitFILL_FW(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the FILL_FD pseudo instruction
MachineBasicBlock *emitFILL_FD(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the FEXP2_W_1 pseudo instructions.
MachineBasicBlock *emitFEXP2_W_1(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the FEXP2_D_1 pseudo instructions.
MachineBasicBlock *emitFEXP2_D_1(MachineInstr *MI,
MachineBasicBlock *BB) const;
};
}
#endif // MipsSEISELLOWERING_H
|
