X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsISelDAGToDAG.h;h=aec731e0dff48bc9aafd131b188b06e0622afffa;hb=515cc265c96317bb4275939a90a3d723f10e7a23;hp=eca89bdda18e42958f524b643a73244cc7311b98;hpb=1d905668ddaab127eb6f9668b6314afbef7bee20;p=oota-llvm.git

diff --git a/lib/Target/Mips/MipsISelDAGToDAG.h b/lib/Target/Mips/MipsISelDAGToDAG.h
index eca89bdda18..aec731e0dff 100644
--- a/lib/Target/Mips/MipsISelDAGToDAG.h
+++ b/lib/Target/Mips/MipsISelDAGToDAG.h
@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef MIPSISELDAGTODAG_H
-#define MIPSISELDAGTODAG_H
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSISELDAGTODAG_H
+#define LLVM_LIB_TARGET_MIPS_MIPSISELDAGTODAG_H
 
 #include "Mips.h"
 #include "MipsSubtarget.h"
@@ -32,21 +32,21 @@ namespace llvm {
 class MipsDAGToDAGISel : public SelectionDAGISel {
 public:
   explicit MipsDAGToDAGISel(MipsTargetMachine &TM)
-    : SelectionDAGISel(TM), Subtarget(TM.getSubtarget<MipsSubtarget>()) {}
+      : SelectionDAGISel(TM), Subtarget(nullptr) {}
 
   // Pass Name
-  virtual const char *getPassName() const {
+  const char *getPassName() const override {
     return "MIPS DAG->DAG Pattern Instruction Selection";
   }
 
-  virtual bool runOnMachineFunction(MachineFunction &MF);
+  bool runOnMachineFunction(MachineFunction &MF) override;
 
 protected:
   SDNode *getGlobalBaseReg();
 
   /// Keep a pointer to the MipsSubtarget around so that we can make the right
   /// decision when generating code for different targets.
-  const MipsSubtarget &Subtarget;
+  const MipsSubtarget *Subtarget;
 
 private:
   // Include the pieces autogenerated from the target description.
@@ -57,6 +57,11 @@ private:
   virtual bool selectAddrRegImm(SDValue Addr, SDValue &Base,
                                 SDValue &Offset) const;
 
+  // Complex Pattern.
+  /// (reg + reg).
+  virtual bool selectAddrRegReg(SDValue Addr, SDValue &Base,
+                                SDValue &Offset) const;
+
   /// Fall back on this function if all else fails.
   virtual bool selectAddrDefault(SDValue Addr, SDValue &Base,
                                  SDValue &Offset) const;
@@ -65,29 +70,64 @@ private:
   virtual bool selectIntAddr(SDValue Addr, SDValue &Base,
                              SDValue &Offset) const;
 
-  virtual bool SelectAddr16(SDNode *Parent, SDValue N, SDValue &Base,
-                            SDValue &Offset, SDValue &Alias);
+  virtual bool selectIntAddrMM(SDValue Addr, SDValue &Base,
+                               SDValue &Offset) const;
+
+  virtual bool selectIntAddrLSL2MM(SDValue Addr, SDValue &Base,
+                                   SDValue &Offset) const;
 
-  virtual SDNode *Select(SDNode *N);
+  /// Match addr+simm10 and addr
+  virtual bool selectIntAddrMSA(SDValue Addr, SDValue &Base,
+                                SDValue &Offset) const;
+
+  virtual bool selectAddr16(SDNode *Parent, SDValue N, SDValue &Base,
+                            SDValue &Offset, SDValue &Alias);
 
-  virtual std::pair<bool, SDNode*> SelectNode(SDNode *Node) = 0;
+  /// \brief Select constant vector splats.
+  virtual bool selectVSplat(SDNode *N, APInt &Imm) const;
+  /// \brief Select constant vector splats whose value fits in a uimm1.
+  virtual bool selectVSplatUimm1(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value fits in a uimm2.
+  virtual bool selectVSplatUimm2(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value fits in a uimm3.
+  virtual bool selectVSplatUimm3(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value fits in a uimm4.
+  virtual bool selectVSplatUimm4(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value fits in a uimm5.
+  virtual bool selectVSplatUimm5(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value fits in a uimm6.
+  virtual bool selectVSplatUimm6(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value fits in a uimm8.
+  virtual bool selectVSplatUimm8(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value fits in a simm5.
+  virtual bool selectVSplatSimm5(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value is a power of 2.
+  virtual bool selectVSplatUimmPow2(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value is the inverse of a
+  /// power of 2.
+  virtual bool selectVSplatUimmInvPow2(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value is a run of set bits
+  /// ending at the most significant bit
+  virtual bool selectVSplatMaskL(SDValue N, SDValue &Imm) const;
+  /// \brief Select constant vector splats whose value is a run of set bits
+  /// starting at bit zero.
+  virtual bool selectVSplatMaskR(SDValue N, SDValue &Imm) const;
+
+  SDNode *Select(SDNode *N) override;
+
+  virtual std::pair<bool, SDNode*> selectNode(SDNode *Node) = 0;
 
   // getImm - Return a target constant with the specified value.
   inline SDValue getImm(const SDNode *Node, uint64_t Imm) {
     return CurDAG->getTargetConstant(Imm, Node->getValueType(0));
   }
 
-  virtual void ProcessFunctionAfterISel(MachineFunction &MF) = 0;
+  virtual void processFunctionAfterISel(MachineFunction &MF) = 0;
 
-  virtual bool SelectInlineAsmMemoryOperand(const SDValue &Op,
-                                            char ConstraintCode,
-                                            std::vector<SDValue> &OutOps);
+  bool SelectInlineAsmMemoryOperand(const SDValue &Op,
+                                    unsigned ConstraintID,
+                                    std::vector<SDValue> &OutOps) override;
 };
-
-/// createMipsISelDag - This pass converts a legalized DAG into a
-/// MIPS-specific DAG, ready for instruction scheduling.
-FunctionPass *createMipsISelDag(MipsTargetMachine &TM);
-
 }
 
 #endif