Pass callsite return type to TargetLowering::LowerCall and use that to check sibcall...

[oota-llvm.git] / lib / Target / Alpha / AlphaISelLowering.h

diff --git a/lib/Target/Alpha/AlphaISelLowering.h b/lib/Target/Alpha/AlphaISelLowering.h
index 1440908c4f9c81f3f8148ce99d3941eb9509901e..9f73d77dcf3bfbd9a8a547f9efb4a608a32a17a7 100644 (file)
--- a/lib/Target/Alpha/AlphaISelLowering.h
+++ b/lib/Target/Alpha/AlphaISelLowering.h
@@ -25,7 +25,7 @@ namespace llvm {
   namespace AlphaISD {
     enum NodeType {
       // Start the numbering where the builting ops and target ops leave off.
-      FIRST_NUMBER = ISD::BUILTIN_OP_END+Alpha::INSTRUCTION_LIST_END,
+      FIRST_NUMBER = ISD::BUILTIN_OP_END,
       //These corrospond to the identical Instruction
       CVTQT_, CVTQS_, CVTTQ_,
 
@@ -62,44 +62,76 @@ namespace llvm {
   class AlphaTargetLowering : public TargetLowering {
     int VarArgsOffset;  // What is the offset to the first vaarg
     int VarArgsBase;    // What is the base FrameIndex
-    bool useITOF;
   public:
     explicit AlphaTargetLowering(TargetMachine &TM);
     
     /// getSetCCResultType - Get the SETCC result ValueType
-    virtual MVT getSetCCResultType(const SDOperand &) const;
+    virtual MVT::SimpleValueType getSetCCResultType(EVT VT) const;
 
     /// LowerOperation - Provide custom lowering hooks for some operations.
     ///
-    virtual SDOperand LowerOperation(SDOperand Op, SelectionDAG &DAG);
-    virtual SDNode *ReplaceNodeResults(SDNode *N, SelectionDAG &DAG);
+    virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
+
+    /// ReplaceNodeResults - Replace the results of node with an illegal result
+    /// type with new values built out of custom code.
+    ///
+    virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results,
+                                    SelectionDAG &DAG);
 
     // Friendly names for dumps
     const char *getTargetNodeName(unsigned Opcode) const;
 
-    /// LowerCallTo - This hook lowers an abstract call to a function into an
-    /// actual call.
-    virtual std::pair<SDOperand, SDOperand>
-    LowerCallTo(SDOperand Chain, const Type *RetTy, bool RetSExt, bool RetZExt,
-                bool isVarArg, unsigned CC, bool isTailCall, SDOperand Callee, 
-                ArgListTy &Args, SelectionDAG &DAG);
+    SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
+                            CallingConv::ID CallConv, bool isVarArg,
+                            const SmallVectorImpl<ISD::InputArg> &Ins,
+                            DebugLoc dl, SelectionDAG &DAG,
+                            SmallVectorImpl<SDValue> &InVals);
 
     ConstraintType getConstraintType(const std::string &Constraint) const;
 
     std::vector<unsigned> 
       getRegClassForInlineAsmConstraint(const std::string &Constraint,
-                                        MVT VT) const;
-
-    bool hasITOF() { return useITOF; }
+                                        EVT VT) const;
 
     MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
-                                                   MachineBasicBlock *BB);
+                                                   MachineBasicBlock *BB,
+                    DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
+
+    virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
+
+    /// getFunctionAlignment - Return the Log2 alignment of this function.
+    virtual unsigned getFunctionAlignment(const Function *F) const;
+
+    /// isFPImmLegal - Returns true if the target can instruction select the
+    /// specified FP immediate natively. If false, the legalizer will
+    /// materialize the FP immediate as a load from a constant pool.
+    virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
 
   private:
     // Helpers for custom lowering.
-    void LowerVAARG(SDNode *N, SDOperand &Chain, SDOperand &DataPtr,
+    void LowerVAARG(SDNode *N, SDValue &Chain, SDValue &DataPtr,
                     SelectionDAG &DAG);
 
+    virtual 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, const Type *RetTy,
+                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);
   };
 }