| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 1 | //===-- SIISelLowering.h - SI DAG Lowering Interface ------------*- C++ -*-===// |
| 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 | /// \file |
| 11 | /// \brief SI DAG Lowering interface definition |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #ifndef SIISELLOWERING_H |
| 16 | #define SIISELLOWERING_H |
| 17 | |
| 18 | #include "AMDGPUISelLowering.h" |
| 19 | #include "SIInstrInfo.h" |
| 20 | |
| 21 | namespace llvm { |
| 22 | |
| 23 | class SITargetLowering : public AMDGPUTargetLowering { |
| 24 | const SIInstrInfo * TII; |
| Christian Konig | f82901a | 2013-02-26 17:52:23 +0000 | [diff] [blame] | 25 | const TargetRegisterInfo * TRI; |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 26 | |
| Tom Stellard | 754f80f | 2013-04-05 23:31:51 +0000 | [diff] [blame] | 27 | SDValue LowerSTORE(SDValue Op, SelectionDAG &DAG) const; |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 28 | SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; |
| Tom Stellard | f879435 | 2012-12-19 22:10:31 +0000 | [diff] [blame] | 29 | SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const; |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 30 | |
| Christian Konig | f82901a | 2013-02-26 17:52:23 +0000 | [diff] [blame] | 31 | bool foldImm(SDValue &Operand, int32_t &Immediate, |
| 32 | bool &ScalarSlotUsed) const; |
| 33 | bool fitsRegClass(SelectionDAG &DAG, SDValue &Op, unsigned RegClass) const; |
| 34 | void ensureSRegLimit(SelectionDAG &DAG, SDValue &Operand, |
| 35 | unsigned RegClass, bool &ScalarSlotUsed) const; |
| 36 | |
| Christian Konig | 8e06e2a | 2013-04-10 08:39:08 +0000 | [diff] [blame^] | 37 | SDNode *foldOperands(MachineSDNode *N, SelectionDAG &DAG) const; |
| 38 | void adjustWritemask(MachineSDNode *&N, SelectionDAG &DAG) const; |
| 39 | |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 40 | public: |
| 41 | SITargetLowering(TargetMachine &tm); |
| Christian Konig | 2c8f6d5 | 2013-03-07 09:03:52 +0000 | [diff] [blame] | 42 | |
| 43 | SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv, |
| 44 | bool isVarArg, |
| 45 | const SmallVectorImpl<ISD::InputArg> &Ins, |
| 46 | DebugLoc DL, SelectionDAG &DAG, |
| 47 | SmallVectorImpl<SDValue> &InVals) const; |
| 48 | |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 49 | virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI, |
| 50 | MachineBasicBlock * BB) const; |
| 51 | virtual EVT getSetCCResultType(EVT VT) const; |
| Christian Konig | 082a14a | 2013-03-18 11:34:05 +0000 | [diff] [blame] | 52 | virtual MVT getScalarShiftAmountTy(EVT VT) const; |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 53 | virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; |
| 54 | virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| Christian Konig | d910b7d | 2013-02-26 17:52:16 +0000 | [diff] [blame] | 55 | virtual SDNode *PostISelFolding(MachineSDNode *N, SelectionDAG &DAG) const; |
| Christian Konig | f82901a | 2013-02-26 17:52:23 +0000 | [diff] [blame] | 56 | |
| 57 | int32_t analyzeImmediate(const SDNode *N) const; |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 58 | }; |
| 59 | |
| 60 | } // End namespace llvm |
| 61 | |
| 62 | #endif //SIISELLOWERING_H |