diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2009-02-09 07:14:22 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-02-09 07:14:22 +0000 |
| commit | dc54d317e7a381ef8e4aca80d54ad1466bb85dda (patch) | |
| tree | f270708392612a47df3c09a023d1541097ae3147 /lib/Target/PowerPC/PPCInstrInfo.h | |
| parent | 0de5d6fce05dcdb6e9ea2368f02b936b0c50aacf (diff) | |
Turns out AnalyzeBranch can modify the mbb being analyzed. This is a nasty
suprise to some callers, e.g. register coalescer. For now, add an parameter
that tells AnalyzeBranch whether it's safe to modify the mbb. A better
solution is out there, but I don't have time to deal with it right now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64124 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.h')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h index cea68738eb..f190398463 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.h +++ b/lib/Target/PowerPC/PPCInstrInfo.h @@ -104,7 +104,8 @@ public: // Branch analysis. virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, MachineBasicBlock *&FBB, - SmallVectorImpl<MachineOperand> &Cond) const; + SmallVectorImpl<MachineOperand> &Cond, + bool AllowModify) const; virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const; virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB, |