diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.h')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h index c6daa2514306..b83441d89eff 100644 --- a/lib/Target/X86/X86InstrInfo.h +++ b/lib/Target/X86/X86InstrInfo.h @@ -457,11 +457,14 @@ public: /// hasLoadFromStackSlot - If the specified machine instruction has /// a load from a stack slot, return true along with the FrameIndex - /// of the loaded stack slot. If not, return false. Unlike + /// of the loaded stack slot and the machine mem operand containing + /// the reference. If not, return false. Unlike /// isLoadFromStackSlot, this returns true for any instructions that /// loads from the stack. This is a hint only and may not catch all /// cases. - bool hasLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const; + bool hasLoadFromStackSlot(const MachineInstr *MI, + const MachineMemOperand *&MMO, + int &FrameIndex) const; unsigned isStoreToStackSlot(const MachineInstr *MI, int &FrameIndex) const; /// isStoreToStackSlotPostFE - Check for post-frame ptr elimination @@ -472,11 +475,13 @@ public: /// hasStoreToStackSlot - If the specified machine instruction has a /// store to a stack slot, return true along with the FrameIndex of - /// the loaded stack slot. If not, return false. Unlike - /// isStoreToStackSlot, this returns true for any instructions that - /// loads from the stack. This is a hint only and may not catch all - /// cases. - bool hasStoreToStackSlot(const MachineInstr *MI, int &FrameIndex) const; + /// the loaded stack slot and the machine mem operand containing the + /// reference. If not, return false. Unlike isStoreToStackSlot, + /// this returns true for any instructions that loads from the + /// stack. This is a hint only and may not catch all cases. + bool hasStoreToStackSlot(const MachineInstr *MI, + const MachineMemOperand *&MMO, + int &FrameIndex) const; bool isReallyTriviallyReMaterializable(const MachineInstr *MI, AliasAnalysis *AA) const; @@ -595,7 +600,6 @@ public: bool UnfoldLoad, bool UnfoldStore, unsigned *LoadRegIndex = 0) const; - virtual bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const; virtual bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const; @@ -633,6 +637,11 @@ public: unsigned getGlobalBaseReg(MachineFunction *MF) const; private: + MachineInstr * convertToThreeAddressWithLEA(unsigned MIOpc, + MachineFunction::iterator &MFI, + MachineBasicBlock::iterator &MBBI, + LiveVariables *LV) const; + MachineInstr* foldMemoryOperandImpl(MachineFunction &MF, MachineInstr* MI, unsigned OpNum, |