#ifndef MIPS_MACHINE_FUNCTION_INFO_H
#define MIPS_MACHINE_FUNCTION_INFO_H
+#include "Mips16HardFloatInfo.h"
#include "MipsSubtarget.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(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) {}
+
+ ~MipsFunctionInfo();
+
+ unsigned getSRetReturnReg() const { return SRetReturnReg; }
+ void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
+
+ bool globalBaseRegSet() const;
+ unsigned getGlobalBaseReg();
+
+ bool mips16SPAliasRegSet() const;
+ unsigned getMips16SPAliasReg();
+
+ int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
+ void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
+
+ bool hasByvalArg() const { return HasByvalArg; }
+ void setFormalArgInfo(unsigned Size, bool HasByval) {
+ IncomingArgSize = Size;
+ HasByvalArg = HasByval;
+ }
+
+ unsigned getIncomingArgSize() const { return IncomingArgSize; }
+
+ bool callsEhReturn() const { return CallsEhReturn; }
+ void setCallsEhReturn() { CallsEhReturn = true; }
+
+ void createEhDataRegsFI();
+ 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);
+
+ /// \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; }
+
+ std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
+ StubsNeeded;
+
+private:
virtual void anchor();
MachineFunction& MF;
/// Size of incoming argument area.
unsigned IncomingArgSize;
-public:
- MipsFunctionInfo(MachineFunction& MF)
- : MF(MF), SRetReturnReg(0), GlobalBaseReg(0), Mips16SPAliasReg(0),
- VarArgsFrameIndex(0)
- {}
+ /// CallsEhReturn - Whether the function calls llvm.eh.return.
+ bool CallsEhReturn;
- unsigned getSRetReturnReg() const { return SRetReturnReg; }
- void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
+ /// Frame objects for spilling eh data registers.
+ int EhDataRegFI[4];
- bool globalBaseRegSet() const;
- unsigned getGlobalBaseReg();
+ // saveS2
+ bool SaveS2;
- bool mips16SPAliasRegSet() const;
- unsigned getMips16SPAliasReg();
-
- int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
- void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
-
- bool hasByvalArg() const { return HasByvalArg; }
- void setFormalArgInfo(unsigned Size, bool HasByval) {
- IncomingArgSize = Size;
- HasByvalArg = HasByval;
- }
-
- unsigned getIncomingArgSize() const { return IncomingArgSize; }
+ /// MipsCallEntry maps.
+ StringMap<const MipsCallEntry *> ExternalCallEntries;
+ ValueMap<const GlobalValue *, const MipsCallEntry *> GlobalCallEntries;
};
} // end of namespace llvm