Test commit

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

diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h
index 36c2e5948584bbdc89c797e29c8dd1f8280789c2..217f30734b29972eb95e60e15435db95e0319c60 100644 (file)
--- a/lib/Target/Mips/MipsMachineFunction.h
+++ b/lib/Target/Mips/MipsMachineFunction.h
@@ -11,26 +11,53 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef MIPS_MACHINE_FUNCTION_INFO_H
-#define MIPS_MACHINE_FUNCTION_INFO_H
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
+#define LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
 
-#include "MipsSubtarget.h"
+#include "Mips16HardFloatInfo.h"
+#include "llvm/ADT/StringMap.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
+#include "llvm/IR/GlobalValue.h"
+#include "llvm/IR/ValueMap.h"
 #include "llvm/Target/TargetFrameLowering.h"
 #include "llvm/Target/TargetMachine.h"
+#include <map>
+#include <string>
 #include <utility>
 
 namespace llvm {
 
+/// \brief A class derived from PseudoSourceValue that represents a GOT entry
+/// resolved by lazy-binding.
+class MipsCallEntry : public PseudoSourceValue {
+public:
+  explicit MipsCallEntry(StringRef N);
+  explicit MipsCallEntry(const GlobalValue *V);
+  bool isConstant(const MachineFrameInfo *) const override;
+  bool isAliased(const MachineFrameInfo *) const override;
+  bool mayAlias(const MachineFrameInfo *) const override;
+
+private:
+  void printCustom(raw_ostream &O) const override;
+#ifndef NDEBUG
+  std::string Name;
+  const GlobalValue *Val;
+#endif
+};
+
 /// MipsFunctionInfo - This class is derived from MachineFunction private
 /// Mips target-specific information for each MachineFunction.
 class MipsFunctionInfo : public MachineFunctionInfo {
 public:
-  MipsFunctionInfo(MachineFunction& MF)
-   : MF(MF), SRetReturnReg(0), GlobalBaseReg(0), Mips16SPAliasReg(0),
-     VarArgsFrameIndex(0), CallsEhReturn(false)
-  {}
+  MipsFunctionInfo(MachineFunction &MF)
+      : MF(MF), SRetReturnReg(0), GlobalBaseReg(0), Mips16SPAliasReg(0),
+        VarArgsFrameIndex(0), CallsEhReturn(false), SaveS2(false),
+        MoveF64ViaSpillFI(-1) {}
+
+  ~MipsFunctionInfo();
 
   unsigned getSRetReturnReg() const { return SRetReturnReg; }
   void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
@@ -59,6 +86,22 @@ public:
   int getEhDataRegFI(unsigned Reg) const { return EhDataRegFI[Reg]; }
   bool isEhDataRegFI(int FI) const;
 
+  /// \brief Create a MachinePointerInfo that has a MipsCallEntr object
+  /// representing a GOT entry for an external function.
+  MachinePointerInfo callPtrInfo(StringRef Name);
+
+  /// \brief Create a MachinePointerInfo that has a MipsCallEntr object
+  /// representing a GOT entry for a global function.
+  MachinePointerInfo callPtrInfo(const GlobalValue *Val);
+
+  void setSaveS2() { SaveS2 = true; }
+  bool hasSaveS2() const { return SaveS2; }
+
+  int getMoveF64ViaSpillFI(const TargetRegisterClass *RC);
+
+  std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
+  StubsNeeded;
+
 private:
   virtual void anchor();
 
@@ -92,8 +135,19 @@ private:
 
   /// Frame objects for spilling eh data registers.
   int EhDataRegFI[4];
+
+  // saveS2
+  bool SaveS2;
+
+  /// FrameIndex for expanding BuildPairF64 nodes to spill and reload when the
+  /// O32 FPXX ABI is enabled. -1 is used to denote invalid index.
+  int MoveF64ViaSpillFI;
+
+  /// MipsCallEntry maps.
+  StringMap<const MipsCallEntry *> ExternalCallEntries;
+  ValueMap<const GlobalValue *, const MipsCallEntry *> GlobalCallEntries;
 };
 
 } // end of namespace llvm
 
-#endif // MIPS_MACHINE_FUNCTION_INFO_H
+#endif