Move isLoadFrom/StoreToStackSlot from MRegisterInfo to TargetInstrInfo,a far more...

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

diff --git a/lib/Target/Alpha/AlphaISelLowering.h b/lib/Target/Alpha/AlphaISelLowering.h
index 6041c5d45448bd63b69654c7893791dafe7ba80b..fcbaaac190c4f7fff10aa7161735b2dc1ca5f3fc 100644 (file)
--- a/lib/Target/Alpha/AlphaISelLowering.h
+++ b/lib/Target/Alpha/AlphaISelLowering.h
@@ -21,13 +21,51 @@
 
 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,
+      //These corrospond to the identical Instruction
+      ITOFT_, FTOIT_, CVTQT_, CVTQS_, CVTTQ_,
+
+      /// GPRelHi/GPRelLo - These represent the high and low 16-bit
+      /// parts of a global address respectively.
+      GPRelHi, GPRelLo, 
+
+      /// RetLit - Literal Relocation of a Global
+      RelLit,
+
+      /// GlobalBaseReg - used to restore the GOT ptr
+      GlobalBaseReg,
+      
+      /// CALL - Normal call.
+      CALL,
+
+      /// DIVCALL - used for special library calls for div and rem
+      DivCall,
+
+      ///LD, ST
+      LDQ_, LDT_, LDS_, LDL_, LDWU_, LDBU_, 
+      STQ_, STT_, STS_, STL_, STW_, STB_, 
+    };
+  }
+
   class AlphaTargetLowering : public TargetLowering {
     int VarArgsOffset;  // What is the offset to the first vaarg
     int VarArgsBase;    // What is the base FrameIndex
     unsigned GP; //GOT vreg
     unsigned RA; //Return Address
+    bool useITOF;
   public:
     AlphaTargetLowering(TargetMachine &TM);
+    
+    /// LowerOperation - Provide custom lowering hooks for some operations.
+    ///
+    virtual SDOperand LowerOperation(SDOperand Op, SelectionDAG &DAG);
+    virtual SDOperand CustomPromoteOperation(SDOperand Op, SelectionDAG &DAG);
+
+    //Friendly names for dumps
+    const char *getTargetNodeName(unsigned Opcode) const;
 
     /// LowerArguments - This hook must be implemented to indicate how we should
     /// lower the arguments for the specified function, into the specified DAG.
@@ -41,17 +79,11 @@ namespace llvm {
                 bool isTailCall, SDOperand Callee, ArgListTy &Args,
                 SelectionDAG &DAG);
 
-    virtual SDOperand LowerVAStart(SDOperand Chain, SDOperand VAListP,
-                                   Value *VAListV, SelectionDAG &DAG);
-    virtual SDOperand LowerVACopy(SDOperand Chain, SDOperand SrcP, Value *SrcV,
-                                  SDOperand DestP, Value *DestV,
-                                  SelectionDAG &DAG);
-    virtual std::pair<SDOperand,SDOperand>
-      LowerVAArg(SDOperand Chain, SDOperand VAListP, Value *VAListV,
-                 const Type *ArgTy, SelectionDAG &DAG);
-
     void restoreGP(MachineBasicBlock* BB);
     void restoreRA(MachineBasicBlock* BB);
+    unsigned getVRegGP() { return GP; }
+    unsigned getVRegRA() { return RA; }
+    bool hasITOF() { return useITOF; }
   };
 }