| 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 { |
| Tom Stellard | 94593ee | 2013-06-03 17:40:18 +0000 | [diff] [blame] | 24 | SDValue LowerParameter(SelectionDAG &DAG, EVT VT, SDLoc DL, |
| 25 | SDValue Chain, unsigned Offset) const; |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 26 | SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; |
| Tom Stellard | 046039e | 2013-06-03 17:40:03 +0000 | [diff] [blame] | 27 | SDValue LowerSIGN_EXTEND(SDValue Op, SelectionDAG &DAG) const; |
| Tom Stellard | 98f675a | 2013-08-01 15:23:26 +0000 | [diff] [blame] | 28 | SDValue LowerZERO_EXTEND(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; |
| Tom Stellard | 4c0ffcc | 2013-08-06 23:08:18 +0000 | [diff] [blame] | 33 | const TargetRegisterClass *getRegClassForNode(SelectionDAG &DAG, |
| 34 | const SDValue &Op) const; |
| Tom Stellard | b35efba | 2013-05-20 15:02:01 +0000 | [diff] [blame] | 35 | bool fitsRegClass(SelectionDAG &DAG, const SDValue &Op, |
| 36 | unsigned RegClass) const; |
| Matt Arsenault | 75865923 | 2013-05-18 00:21:46 +0000 | [diff] [blame] | 37 | void ensureSRegLimit(SelectionDAG &DAG, SDValue &Operand, |
| Christian Konig | f82901a | 2013-02-26 17:52:23 +0000 | [diff] [blame] | 38 | unsigned RegClass, bool &ScalarSlotUsed) const; |
| 39 | |
| Christian Konig | 8e06e2a | 2013-04-10 08:39:08 +0000 | [diff] [blame] | 40 | SDNode *foldOperands(MachineSDNode *N, SelectionDAG &DAG) const; |
| 41 | void adjustWritemask(MachineSDNode *&N, SelectionDAG &DAG) const; |
| Tom Stellard | 0518ff8 | 2013-06-03 17:39:58 +0000 | [diff] [blame] | 42 | MachineSDNode *AdjustRegClass(MachineSDNode *N, SelectionDAG &DAG) const; |
| Christian Konig | 8e06e2a | 2013-04-10 08:39:08 +0000 | [diff] [blame] | 43 | |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 44 | public: |
| 45 | SITargetLowering(TargetMachine &tm); |
| Tom Stellard | 0125f2a | 2013-06-25 02:39:35 +0000 | [diff] [blame] | 46 | bool allowsUnalignedMemoryAccesses(EVT VT, bool *IsFast) const; |
| Christian Konig | 2c8f6d5 | 2013-03-07 09:03:52 +0000 | [diff] [blame] | 47 | |
| 48 | SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv, |
| 49 | bool isVarArg, |
| 50 | const SmallVectorImpl<ISD::InputArg> &Ins, |
| Andrew Trick | ef9de2a | 2013-05-25 02:42:55 +0000 | [diff] [blame] | 51 | SDLoc DL, SelectionDAG &DAG, |
| Christian Konig | 2c8f6d5 | 2013-03-07 09:03:52 +0000 | [diff] [blame] | 52 | SmallVectorImpl<SDValue> &InVals) const; |
| 53 | |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 54 | virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI, |
| 55 | MachineBasicBlock * BB) const; |
| Matt Arsenault | 75865923 | 2013-05-18 00:21:46 +0000 | [diff] [blame] | 56 | virtual EVT getSetCCResultType(LLVMContext &Context, EVT VT) const; |
| Christian Konig | 082a14a | 2013-03-18 11:34:05 +0000 | [diff] [blame] | 57 | virtual MVT getScalarShiftAmountTy(EVT VT) const; |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 58 | virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; |
| 59 | virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| Christian Konig | d910b7d | 2013-02-26 17:52:16 +0000 | [diff] [blame] | 60 | virtual SDNode *PostISelFolding(MachineSDNode *N, SelectionDAG &DAG) const; |
| Christian Konig | 8b1ed28 | 2013-04-10 08:39:16 +0000 | [diff] [blame] | 61 | virtual void AdjustInstrPostInstrSelection(MachineInstr *MI, |
| 62 | SDNode *Node) const; |
| Christian Konig | f82901a | 2013-02-26 17:52:23 +0000 | [diff] [blame] | 63 | |
| 64 | int32_t analyzeImmediate(const SDNode *N) const; |
| Tom Stellard | 94593ee | 2013-06-03 17:40:18 +0000 | [diff] [blame] | 65 | SDValue CreateLiveInRegister(SelectionDAG &DAG, const TargetRegisterClass *RC, |
| 66 | unsigned Reg, EVT VT) const; |
| Tom Stellard | 75aadc2 | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 67 | }; |
| 68 | |
| 69 | } // End namespace llvm |
| 70 | |
| 71 | #endif //SIISELLOWERING_H |