MC: MCCodeGenInfo naming update. NFC.
[oota-llvm.git] / lib / Target / MSP430 / MSP430ISelLowering.h
index 87a790b047b72ef9c5b1b4c7f0ae06bcaf463536..80d3ae175fb11d1876ee9179d829f7cac38b0915 100644 (file)
@@ -1,4 +1,4 @@
-//==-- MSP430ISelLowering.h - MSP430 DAG Lowering Interface ------*- C++ -*-==//
+//===-- MSP430ISelLowering.h - MSP430 DAG Lowering Interface ----*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -12,8 +12,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_TARGET_MSP430_ISELLOWERING_H
-#define LLVM_TARGET_MSP430_ISELLOWERING_H
+#ifndef LLVM_LIB_TARGET_MSP430_MSP430ISELLOWERING_H
+#define LLVM_LIB_TARGET_MSP430_MSP430ISELLOWERING_H
 
 #include "MSP430.h"
 #include "llvm/CodeGen/SelectionDAG.h"
@@ -21,7 +21,7 @@
 
 namespace llvm {
   namespace MSP430ISD {
-    enum {
+    enum NodeType : unsigned {
       FIRST_NUMBER = ISD::BUILTIN_OP_END,
 
       /// Return with a flag operand. Operand 0 is the chain operand.
@@ -67,43 +67,46 @@ namespace llvm {
   }
 
   class MSP430Subtarget;
-  class MSP430TargetMachine;
-
   class MSP430TargetLowering : public TargetLowering {
   public:
-    explicit MSP430TargetLowering(MSP430TargetMachine &TM);
+    explicit MSP430TargetLowering(const TargetMachine &TM,
+                                  const MSP430Subtarget &STI);
+
+    MVT getScalarShiftAmountTy(EVT LHSTy) const override { return MVT::i8; }
 
     /// LowerOperation - Provide custom lowering hooks for some operations.
-    virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
+    SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
 
     /// getTargetNodeName - This method returns the name of a target specific
     /// DAG node.
-    virtual const char *getTargetNodeName(unsigned Opcode) const;
-
-    /// getFunctionAlignment - Return the Log2 alignment of this function.
-    virtual unsigned getFunctionAlignment(const Function *F) const;
-
-    SDValue LowerShifts(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerExternalSymbol(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerSIGN_EXTEND(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG);
-    SDValue getReturnAddressFrameIndex(SelectionDAG &DAG);
+    const char *getTargetNodeName(unsigned Opcode) const override;
+
+    SDValue LowerShifts(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerExternalSymbol(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerSIGN_EXTEND(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const;
+    SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const;
+    SDValue getReturnAddressFrameIndex(SelectionDAG &DAG) const;
 
     TargetLowering::ConstraintType
-    getConstraintType(const std::string &Constraint) const;
-    std::pair<unsigned, const TargetRegisterClass*>
-    getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const;
+    getConstraintType(const std::string &Constraint) const override;
+    std::pair<unsigned, const TargetRegisterClass *>
+    getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
+                                 const std::string &Constraint,
+                                 MVT VT) const override;
 
     /// isTruncateFree - Return true if it's free to truncate a value of type
     /// Ty1 to type Ty2. e.g. On msp430 it's free to truncate a i16 value in
     /// register R15W to i8 by referencing its sub-register R15B.
-    virtual bool isTruncateFree(const Type *Ty1, const Type *Ty2) const;
-    virtual bool isTruncateFree(EVT VT1, EVT VT2) const;
+    bool isTruncateFree(Type *Ty1, Type *Ty2) const override;
+    bool isTruncateFree(EVT VT1, EVT VT2) const override;
 
     /// isZExtFree - Return true if any actual instruction that defines a value
     /// of type Ty1 implicit zero-extends the value to Ty2 in the result
@@ -113,69 +116,61 @@ namespace llvm {
     /// necessarily apply to truncate instructions. e.g. on msp430, all
     /// instructions that define 8-bit values implicit zero-extend the result
     /// out to 16 bits.
-    virtual bool isZExtFree(const Type *Ty1, const Type *Ty2) const;
-    virtual bool isZExtFree(EVT VT1, EVT VT2) const;
+    bool isZExtFree(Type *Ty1, Type *Ty2) const override;
+    bool isZExtFree(EVT VT1, EVT VT2) const override;
+    bool isZExtFree(SDValue Val, EVT VT2) const override;
 
     MachineBasicBlock* EmitInstrWithCustomInserter(MachineInstr *MI,
-                                                   MachineBasicBlock *BB,
-                    DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
+                                                   MachineBasicBlock *BB) const override;
     MachineBasicBlock* EmitShiftInstr(MachineInstr *MI,
-                                      MachineBasicBlock *BB,
-                    DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
+                                      MachineBasicBlock *BB) const;
 
   private:
     SDValue LowerCCCCallTo(SDValue Chain, SDValue Callee,
                            CallingConv::ID CallConv, bool isVarArg,
                            bool isTailCall,
                            const SmallVectorImpl<ISD::OutputArg> &Outs,
+                           const SmallVectorImpl<SDValue> &OutVals,
                            const SmallVectorImpl<ISD::InputArg> &Ins,
-                           DebugLoc dl, SelectionDAG &DAG,
-                           SmallVectorImpl<SDValue> &InVals);
+                           SDLoc dl, SelectionDAG &DAG,
+                           SmallVectorImpl<SDValue> &InVals) const;
 
     SDValue LowerCCCArguments(SDValue Chain,
                               CallingConv::ID CallConv,
                               bool isVarArg,
                               const SmallVectorImpl<ISD::InputArg> &Ins,
-                              DebugLoc dl,
+                              SDLoc dl,
                               SelectionDAG &DAG,
-                              SmallVectorImpl<SDValue> &InVals);
+                              SmallVectorImpl<SDValue> &InVals) const;
 
     SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
                             CallingConv::ID CallConv, bool isVarArg,
                             const SmallVectorImpl<ISD::InputArg> &Ins,
-                            DebugLoc dl, SelectionDAG &DAG,
-                            SmallVectorImpl<SDValue> &InVals);
+                            SDLoc dl, SelectionDAG &DAG,
+                            SmallVectorImpl<SDValue> &InVals) const;
 
-    virtual SDValue
+    SDValue
       LowerFormalArguments(SDValue Chain,
                            CallingConv::ID CallConv, bool isVarArg,
                            const SmallVectorImpl<ISD::InputArg> &Ins,
-                           DebugLoc dl, SelectionDAG &DAG,
-                           SmallVectorImpl<SDValue> &InVals);
-    virtual SDValue
-      LowerCall(SDValue Chain, SDValue Callee,
-                CallingConv::ID CallConv, bool isVarArg, bool &isTailCall,
-                const SmallVectorImpl<ISD::OutputArg> &Outs,
-                const SmallVectorImpl<ISD::InputArg> &Ins,
-                DebugLoc dl, SelectionDAG &DAG,
-                SmallVectorImpl<SDValue> &InVals);
-
-    virtual SDValue
-      LowerReturn(SDValue Chain,
-                  CallingConv::ID CallConv, bool isVarArg,
-                  const SmallVectorImpl<ISD::OutputArg> &Outs,
-                  DebugLoc dl, SelectionDAG &DAG);
-
-    virtual bool getPostIndexedAddressParts(SDNode *N, SDNode *Op,
-                                            SDValue &Base,
-                                            SDValue &Offset,
-                                            ISD::MemIndexedMode &AM,
-                                            SelectionDAG &DAG) const;
-
-    const MSP430Subtarget &Subtarget;
-    const MSP430TargetMachine &TM;
-    const TargetData *TD;
+                           SDLoc dl, SelectionDAG &DAG,
+                           SmallVectorImpl<SDValue> &InVals) const override;
+    SDValue
+      LowerCall(TargetLowering::CallLoweringInfo &CLI,
+                SmallVectorImpl<SDValue> &InVals) const override;
+
+    SDValue LowerReturn(SDValue Chain,
+                        CallingConv::ID CallConv, bool isVarArg,
+                        const SmallVectorImpl<ISD::OutputArg> &Outs,
+                        const SmallVectorImpl<SDValue> &OutVals,
+                        SDLoc dl, SelectionDAG &DAG) const override;
+
+    bool getPostIndexedAddressParts(SDNode *N, SDNode *Op,
+                                    SDValue &Base,
+                                    SDValue &Offset,
+                                    ISD::MemIndexedMode &AM,
+                                    SelectionDAG &DAG) const override;
   };
 } // namespace llvm
 
-#endif // LLVM_TARGET_MSP430_ISELLOWERING_H
+#endif