diff options
Diffstat (limited to 'lib/Target/ARM/ARMBaseInstrInfo.h')
| -rw-r--r-- | lib/Target/ARM/ARMBaseInstrInfo.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.h b/lib/Target/ARM/ARMBaseInstrInfo.h index 304ccc087c..8f4f47b34f 100644 --- a/lib/Target/ARM/ARMBaseInstrInfo.h +++ b/lib/Target/ARM/ARMBaseInstrInfo.h @@ -182,10 +182,13 @@ public: virtual bool isProfitableToDupForIfCvt(MachineBasicBlock &MBB, unsigned NumCycles, const BranchProbability - &Probability) const { + &Probability) const { return NumCycles == 1; } + virtual bool isProfitableToUnpredicate(MachineBasicBlock &TMBB, + MachineBasicBlock &FMBB) const; + /// analyzeCompare - For a comparison instruction, return the source registers /// in SrcReg and SrcReg2 if having two register operands, and the value it /// compares against in CmpValue. Return true if the comparison instruction @@ -235,6 +238,10 @@ public: getExecutionDomain(const MachineInstr *MI) const; void setExecutionDomain(MachineInstr *MI, unsigned Domain) const; + unsigned getPartialRegUpdateClearance(const MachineInstr*, unsigned, + const TargetRegisterInfo*) const; + void breakPartialRegDependency(MachineBasicBlock::iterator, unsigned, + const TargetRegisterInfo *TRI) const; /// Get the number of addresses by LDM or VLDM or zero for unknown. unsigned getNumLDMAddresses(const MachineInstr *MI) const; |