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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-10-21 19:17:18 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-10-21 19:17:18 +0000 |
| commit | 90593d2e1f31fd1c3be353b836b50280c3a6d243 (patch) | |
| tree | c07e729f1a16a1c152e4fdec7df2601d37efcd84 /lib/Target/MSP430/MSP430InstrInfo.h | |
| parent | 3926fb63c24ceeefc0215b8e14eb81c85403639e (diff) | |
| download | llvm-90593d2e1f31fd1c3be353b836b50280c3a6d243.tar.gz llvm-90593d2e1f31fd1c3be353b836b50280c3a6d243.tar.bz2 llvm-90593d2e1f31fd1c3be353b836b50280c3a6d243.tar.xz | |
Implement branch folding
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84774 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/MSP430/MSP430InstrInfo.h')
| -rw-r--r-- | lib/Target/MSP430/MSP430InstrInfo.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/lib/Target/MSP430/MSP430InstrInfo.h b/lib/Target/MSP430/MSP430InstrInfo.h index 06c0c71241..35e35db01c 100644 --- a/lib/Target/MSP430/MSP430InstrInfo.h +++ b/lib/Target/MSP430/MSP430InstrInfo.h @@ -59,9 +59,19 @@ public: MachineBasicBlock::iterator MI, const std::vector<CalleeSavedInfo> &CSI) const; - virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, - MachineBasicBlock *FBB, - const SmallVectorImpl<MachineOperand> &Cond) const; + // Branch folding goodness + bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const; + bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const; + bool isUnpredicatedTerminator(const MachineInstr *MI) const; + bool AnalyzeBranch(MachineBasicBlock &MBB, + MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, + SmallVectorImpl<MachineOperand> &Cond, + bool AllowModify) const; + + unsigned RemoveBranch(MachineBasicBlock &MBB) const; + unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, + MachineBasicBlock *FBB, + const SmallVectorImpl<MachineOperand> &Cond) const; }; |