diff options
Diffstat (limited to 'contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.h')
| -rw-r--r-- | contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.h b/contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.h index b4706e3..d80c494 100644 --- a/contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.h +++ b/contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.h @@ -86,6 +86,18 @@ protected: RegSubRegPair &BaseReg, RegSubRegPairAndIdx &InsertedReg) const override; + /// Commutes the operands in the given instruction. + /// The commutable operands are specified by their indices OpIdx1 and OpIdx2. + /// + /// Do not call this method for a non-commutable instruction or for + /// non-commutable pair of operand indices OpIdx1 and OpIdx2. + /// Even though the instruction is commutable, the method may still + /// fail to commute the operands, null pointer is returned in such cases. + MachineInstr *commuteInstructionImpl(MachineInstr *MI, + bool NewMI, + unsigned OpIdx1, + unsigned OpIdx2) const override; + public: // Return whether the target has an explicit NOP encoding. bool hasNOP() const; @@ -188,9 +200,6 @@ public: MachineInstr *duplicate(MachineInstr *Orig, MachineFunction &MF) const override; - MachineInstr *commuteInstruction(MachineInstr*, - bool=false) const override; - const MachineInstrBuilder &AddDReg(MachineInstrBuilder &MIB, unsigned Reg, unsigned SubIdx, unsigned State, const TargetRegisterInfo *TRI) const; @@ -224,15 +233,15 @@ public: bool isProfitableToIfCvt(MachineBasicBlock &MBB, unsigned NumCycles, unsigned ExtraPredCycles, - const BranchProbability &Probability) const override; + BranchProbability Probability) const override; bool isProfitableToIfCvt(MachineBasicBlock &TMBB, unsigned NumT, unsigned ExtraT, MachineBasicBlock &FMBB, unsigned NumF, unsigned ExtraF, - const BranchProbability &Probability) const override; + BranchProbability Probability) const override; bool isProfitableToDupForIfCvt(MachineBasicBlock &MBB, unsigned NumCycles, - const BranchProbability &Probability) const override { + BranchProbability Probability) const override { return NumCycles == 1; } @@ -343,6 +352,8 @@ private: virtual void expandLoadStackGuard(MachineBasicBlock::iterator MI, Reloc::Model RM) const = 0; + void expandMEMCPY(MachineBasicBlock::iterator) const; + private: /// Modeling special VFP / NEON fp MLA / MLS hazards. |
