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[oota-llvm.git] / lib / Target / XCore / XCoreISelLowering.h
index e7a48a97265c589dcec3fd93e4d6523a67869872..0c638aff48fedb1044c8995095d1d71526b6b19a 100644 (file)
@@ -28,7 +28,7 @@ namespace llvm {
   namespace XCoreISD {
     enum NodeType {
       // Start the numbering where the builtin ops and target ops leave off.
-      FIRST_NUMBER = ISD::BUILTIN_OP_END+XCore::INSTRUCTION_LIST_END,
+      FIRST_NUMBER = ISD::BUILTIN_OP_END,
 
       // Branch and link (call)
       BL,
@@ -52,7 +52,13 @@ namespace llvm {
       LADD,
 
       // Corresponds to LSUB instruction
-      LSUB
+      LSUB,
+
+      // Jumptable branch.
+      BR_JT,
+
+      // Jumptable branch using long branches for each entry.
+      BR_JT32
     };
   }
 
@@ -79,7 +85,8 @@ namespace llvm {
     virtual const char *getTargetNodeName(unsigned Opcode) const;
   
     virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
-                                                  MachineBasicBlock *MBB) const;
+                                                         MachineBasicBlock *MBB,
+                    DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
 
     virtual bool isLegalAddressingMode(const AddrMode &AM,
                                        const Type *Ty) const;
@@ -92,10 +99,24 @@ namespace llvm {
     const XCoreSubtarget &Subtarget;
   
     // Lower Operand helpers
-    SDValue LowerCCCArguments(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerCCCCallTo(SDValue Op, SelectionDAG &DAG, unsigned CC);
-    SDNode *LowerCallResult(SDValue Chain, SDValue InFlag, CallSDNode*TheCall,
-                            unsigned CallingConv, SelectionDAG &DAG);
+    SDValue LowerCCCArguments(SDValue Chain,
+                              CallingConv::ID CallConv,
+                              bool isVarArg,
+                              const SmallVectorImpl<ISD::InputArg> &Ins,
+                              DebugLoc dl, SelectionDAG &DAG,
+                              SmallVectorImpl<SDValue> &InVals);
+    SDValue LowerCCCCallTo(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);
+    SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
+                            CallingConv::ID CallConv, bool isVarArg,
+                            const SmallVectorImpl<ISD::InputArg> &Ins,
+                            DebugLoc dl, SelectionDAG &DAG,
+                            SmallVectorImpl<SDValue> &InVals);
     SDValue getReturnAddressFrameIndex(SelectionDAG &DAG);
     SDValue getGlobalAddressWrapper(SDValue GA, GlobalValue *GV,
                                     SelectionDAG &DAG);
@@ -103,13 +124,11 @@ namespace llvm {
     // Lower Operand specifics
     SDValue LowerLOAD(SDValue Op, SelectionDAG &DAG);
     SDValue LowerSTORE(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerRET(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerCALL(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG);
     SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
     SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG);
+    SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG);
     SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG);
-    SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG);
+    SDValue LowerBR_JT(SDValue Op, SelectionDAG &DAG);
     SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG);
     SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG);
     SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG);
@@ -118,10 +137,41 @@ namespace llvm {
     // Inline asm support
     std::vector<unsigned>
     getRegClassForInlineAsmConstraint(const std::string &Constraint,
-              MVT VT) const;
+              EVT VT) const;
   
     // Expand specifics
     SDValue ExpandADDSUB(SDNode *Op, SelectionDAG &DAG);
+
+    virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
+
+    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,
+                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
+      CanLowerReturn(CallingConv::ID CallConv, bool isVarArg,
+                     const SmallVectorImpl<EVT> &OutTys,
+                     const SmallVectorImpl<ISD::ArgFlagsTy> &ArgsFlags,
+                     SelectionDAG &DAG);
   };
 }