diff options
Diffstat (limited to 'include/llvm/Target/TargetInstrInfo.h')
| -rw-r--r-- | include/llvm/Target/TargetInstrInfo.h | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h index 17acacec41..34a7d48e83 100644 --- a/include/llvm/Target/TargetInstrInfo.h +++ b/include/llvm/Target/TargetInstrInfo.h @@ -305,23 +305,41 @@ public: /// operand folded, otherwise NULL is returned. The client is responsible for /// removing the old instruction and adding the new one in the instruction /// stream. - virtual MachineInstr* foldMemoryOperand(MachineFunction &MF, - MachineInstr* MI, - const SmallVectorImpl<unsigned> &Ops, - int FrameIndex) const { - return 0; - } + MachineInstr* foldMemoryOperand(MachineFunction &MF, + MachineInstr* MI, + const SmallVectorImpl<unsigned> &Ops, + int FrameIndex) const; /// foldMemoryOperand - Same as the previous version except it allows folding /// of any load and store from / to any address, not just from a specific /// stack slot. - virtual MachineInstr* foldMemoryOperand(MachineFunction &MF, + MachineInstr* foldMemoryOperand(MachineFunction &MF, + MachineInstr* MI, + const SmallVectorImpl<unsigned> &Ops, + MachineInstr* LoadMI) const; + +protected: + /// foldMemoryOperandImpl - Target-dependent implementation for + /// foldMemoryOperand. Target-independent code in foldMemoryOperand will + /// take care of adding a MachineMemOperand to the newly created instruction. + virtual MachineInstr* foldMemoryOperandImpl(MachineFunction &MF, MachineInstr* MI, const SmallVectorImpl<unsigned> &Ops, - MachineInstr* LoadMI) const { + int FrameIndex) const { + return 0; + } + + /// foldMemoryOperandImpl - Target-dependent implementation for + /// foldMemoryOperand. Target-independent code in foldMemoryOperand will + /// take care of adding a MachineMemOperand to the newly created instruction. + virtual MachineInstr* foldMemoryOperandImpl(MachineFunction &MF, + MachineInstr* MI, + const SmallVectorImpl<unsigned> &Ops, + MachineInstr* LoadMI) const { return 0; } +public: /// canFoldMemoryOperand - Returns true if the specified load / store is /// folding is possible. virtual |