Merging r261039:

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

diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h
index 8c16f82bfb687b384eb0816e17752d1e3ff44ad1..a2f6ee03604fc0fa24d8aaa5c5f62d7c001cb20d 100644 (file)
--- a/lib/Target/Mips/MipsMachineFunction.h
+++ b/lib/Target/Mips/MipsMachineFunction.h
@@ -11,16 +11,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-#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 "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"
@@ -30,31 +28,14 @@
 
 namespace llvm {
 
-/// \brief A class derived from PseudoSourceValue that represents a GOT entry
-/// resolved by lazy-binding.
-class MipsCallEntry : public PseudoSourceValue {
-public:
-  explicit MipsCallEntry(const 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), SaveS2(false) {}
+        VarArgsFrameIndex(0), CallsEhReturn(false), IsISR(false), SaveS2(false),
+        MoveF64ViaSpillFI(-1) {}
 
   ~MipsFunctionInfo();
 
@@ -85,17 +66,27 @@ 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(const StringRef &Name);
+  /// Create a MachinePointerInfo that has an ExternalSymbolPseudoSourceValue
+  /// object representing a GOT entry for an external function.
+  MachinePointerInfo callPtrInfo(const char *ES);
 
-  /// \brief Create a MachinePointerInfo that has a MipsCallEntr object
+  // Functions with the "interrupt" attribute require special prologues,
+  // epilogues and additional spill slots.
+  bool isISR() const { return IsISR; }
+  void setISR() { IsISR = true; }
+  void createISRRegFI();
+  int getISRRegFI(unsigned Reg) const { return ISRDataRegFI[Reg]; }
+  bool isISRRegFI(int FI) const;
+
+  /// Create a MachinePointerInfo that has a GlobalValuePseudoSourceValue object
   /// representing a GOT entry for a global function.
-  MachinePointerInfo callPtrInfo(const GlobalValue *Val);
+  MachinePointerInfo callPtrInfo(const GlobalValue *GV);
 
   void setSaveS2() { SaveS2 = true; }
   bool hasSaveS2() const { return SaveS2; }
 
+  int getMoveF64ViaSpillFI(const TargetRegisterClass *RC);
+
   std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
   StubsNeeded;
 
@@ -133,14 +124,20 @@ private:
   /// Frame objects for spilling eh data registers.
   int EhDataRegFI[4];
 
+  /// ISR - Whether the function is an Interrupt Service Routine.
+  bool IsISR;
+
+  /// Frame objects for spilling C0_STATUS, C0_EPC
+  int ISRDataRegFI[2];
+
   // saveS2
   bool SaveS2;
 
-  /// MipsCallEntry maps.
-  StringMap<const MipsCallEntry *> ExternalCallEntries;
-  ValueMap<const GlobalValue *, const MipsCallEntry *> GlobalCallEntries;
+  /// 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;
 };
 
 } // end of namespace llvm
 
-#endif // MIPS_MACHINE_FUNCTION_INFO_H
+#endif