#define MIPSINSTRUCTIONINFO_H
#include "Mips.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "MipsRegisterInfo.h"
inline static const char *MipsFCCToString(Mips::CondCode CC)
{
switch (CC) {
- default: assert(0 && "Unknown condition code");
+ default: llvm_unreachable("Unknown condition code");
case FCOND_F:
case FCOND_T: return "f";
case FCOND_UN:
///
virtual const MipsRegisterInfo &getRegisterInfo() const { return RI; }
- /// Return true if the instruction is a register to register move and
- /// leave the source and dest operands in the passed parameters.
- ///
+ /// Return true if the instruction is a register to register move and return
+ /// the source and dest operands and their sub-register indices by reference.
virtual bool isMoveInstr(const MachineInstr &MI,
- unsigned &SrcReg, unsigned &DstReg) const;
+ unsigned &SrcReg, unsigned &DstReg,
+ unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
/// isLoadFromStackSlot - If the specified machine instruction is a direct
/// load from a stack slot, return the virtual or physical register number of
/// Branch Analysis
virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,
- SmallVectorImpl<MachineOperand> &Cond) const;
+ SmallVectorImpl<MachineOperand> &Cond,
+ bool AllowModify) const;
virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const;
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
/// Insert nop instruction when hazard condition is found
virtual void insertNoop(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI) const;
+
+ /// getGlobalBaseReg - Return a virtual register initialized with the
+ /// the global base register value. Output instructions required to
+ /// initialize the register in the function entry block, if necessary.
+ ///
+ unsigned getGlobalBaseReg(MachineFunction *MF) const;
};
}