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| author | Dan Gohman <gohman@apple.com> | 2010-05-13 20:34:42 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-05-13 20:34:42 +0000 |
| commit | e6cd757e6800b9b94a6459ec148c0624c4f2e3c1 (patch) | |
| tree | d5f6dc0117786538e247416458b5f8fb9bed5367 /include/llvm/CodeGen/MachineInstr.h | |
| parent | 1e5a6c46b8f8cca0e4e6d582289bfd13cb462e39 (diff) | |
Teach MachineLICM and MachineSink how to clear kill flags conservatively
when they move instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103737 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/MachineInstr.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineInstr.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index 2d203a0aac..eefbd36daa 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -302,6 +302,10 @@ public: /// reference if DefOpIdx is not null. bool isRegTiedToDefOperand(unsigned UseOpIdx, unsigned *DefOpIdx = 0) const; + /// clearKillInfo - Clears kill flags on all operands. + /// + void clearKillInfo(); + /// copyKillDeadInfo - Copies kill / dead operand properties from MI. /// void copyKillDeadInfo(const MachineInstr *MI); |