Cache TargetLowering on SelectionDAGISel and update previous
[oota-llvm.git] / include / llvm / CodeGen / SelectionDAGISel.h
index 5f1c636dc6e6c4eaf9144d2da203cb105cbab52c..2639402d2ed1c4361443229c59cb02203f082f8d 100644 (file)
@@ -18,6 +18,7 @@
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/IR/BasicBlock.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include "llvm/Pass.h"
 
 namespace llvm {
@@ -50,19 +51,20 @@ public:
   AliasAnalysis *AA;
   GCFunctionInfo *GFI;
   CodeGenOpt::Level OptLevel;
+  const TargetInstrInfo *TII;
+  const TargetLowering *TLI;
+
   static char ID;
 
   explicit SelectionDAGISel(TargetMachine &tm,
                             CodeGenOpt::Level OL = CodeGenOpt::Default);
   virtual ~SelectionDAGISel();
 
-  const TargetLowering *getTargetLowering() const {
-    return TM.getTargetLowering();
-  }
+  const TargetLowering *getTargetLowering() const { return TLI; }
 
-  virtual void getAnalysisUsage(AnalysisUsage &AU) const;
+  void getAnalysisUsage(AnalysisUsage &AU) const override;
 
-  virtual bool runOnMachineFunction(MachineFunction &MF);
+  bool runOnMachineFunction(MachineFunction &MF) override;
 
   virtual void EmitFunctionEntryCode() {}
 
@@ -123,6 +125,8 @@ public:
     OPC_CheckChild3Type, OPC_CheckChild4Type, OPC_CheckChild5Type,
     OPC_CheckChild6Type, OPC_CheckChild7Type,
     OPC_CheckInteger,
+    OPC_CheckChild0Integer, OPC_CheckChild1Integer, OPC_CheckChild2Integer,
+    OPC_CheckChild3Integer, OPC_CheckChild4Integer,
     OPC_CheckCondCode,
     OPC_CheckValueType,
     OPC_CheckComplexPat,
@@ -236,17 +240,25 @@ public:
                            const unsigned char *MatcherTable,
                            unsigned TableSize);
 
+  /// \brief Return true if complex patterns for this target can mutate the
+  /// DAG.
+  virtual bool ComplexPatternFuncMutatesDAG() const {
+    return false;
+  }
+
 private:
 
   // Calls to these functions are generated by tblgen.
   SDNode *Select_INLINEASM(SDNode *N);
+  SDNode *Select_READ_REGISTER(SDNode *N);
+  SDNode *Select_WRITE_REGISTER(SDNode *N);
   SDNode *Select_UNDEF(SDNode *N);
   void CannotYetSelect(SDNode *N);
 
 private:
   void DoInstructionSelection();
   SDNode *MorphNode(SDNode *Node, unsigned TargetOpc, SDVTList VTs,
-                    const SDValue *Ops, unsigned NumOps, unsigned EmitNodeInfo);
+                    ArrayRef<SDValue> Ops, unsigned EmitNodeInfo);
 
   void PrepareEHLandingPad();