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

[oota-llvm.git] / lib / Target / Mips / MipsISelLowering.h

diff --git a/lib/Target/Mips/MipsISelLowering.h b/lib/Target/Mips/MipsISelLowering.h
index 55cd6eadd0961a072bb43407dea7b16eb2b79ac7..c8256e7430a9f9c66427f6a02802b012f2b174b8 100644 (file)
--- a/lib/Target/Mips/MipsISelLowering.h
+++ b/lib/Target/Mips/MipsISelLowering.h
@@ -66,10 +66,8 @@ namespace llvm {
   //===--------------------------------------------------------------------===//
   // TargetLowering Implementation
   //===--------------------------------------------------------------------===//
-  class MipsTargetLowering : public TargetLowering 
-  {
-    // FrameIndex for return slot.
-    int ReturnAddrIndex;
+  
+  class MipsTargetLowering : public TargetLowering  {
   public:
 
     explicit MipsTargetLowering(MipsTargetMachine &TM);
@@ -82,48 +80,77 @@ namespace llvm {
     virtual const char *getTargetNodeName(unsigned Opcode) const;
 
     /// getSetCCResultType - get the ISD::SETCC result ValueType
-    MVT getSetCCResultType(MVT VT) const;
+    MVT::SimpleValueType getSetCCResultType(EVT VT) const;
 
+    /// getFunctionAlignment - Return the Log2 alignment of this function.
+    virtual unsigned getFunctionAlignment(const Function *F) const;
   private:
     // Subtarget Info
     const MipsSubtarget *Subtarget;
 
+
     // Lower Operand helpers
-    SDNode *LowerCallResult(SDValue Chain, SDValue InFlag, CallSDNode *TheCall,
-                            unsigned CallingConv, SelectionDAG &DAG);
-    bool IsGlobalInSmallSection(GlobalValue *GV); 
-    bool IsInSmallSection(unsigned Size); 
+    SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
+                            CallingConv::ID CallConv, bool isVarArg,
+                            const SmallVectorImpl<ISD::InputArg> &Ins,
+                            DebugLoc dl, SelectionDAG &DAG,
+                            SmallVectorImpl<SDValue> &InVals);
 
     // Lower Operand specifics
     SDValue LowerANDOR(SDValue Op, SelectionDAG &DAG);
     SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerCALL(SDValue Op, SelectionDAG &DAG);
     SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG);
     SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG);
     SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG);
     SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
     SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG);
     SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerRET(SDValue Op, SelectionDAG &DAG);
     SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG);
     SDValue LowerSETCC(SDValue Op, 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);
+
     virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
-                                                   MachineBasicBlock *MBB) const;
+                                                         MachineBasicBlock *MBB,
+                    DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
 
     // Inline asm support
     ConstraintType getConstraintType(const std::string &Constraint) const;
 
     std::pair<unsigned, const TargetRegisterClass*> 
               getRegForInlineAsmConstraint(const std::string &Constraint,
-              MVT VT) const;
+              EVT VT) const;
 
     std::vector<unsigned>
     getRegClassForInlineAsmConstraint(const std::string &Constraint,
-              MVT VT) const;
+              EVT VT) const;
 
     virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) 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;
   };
 }