diff options
Diffstat (limited to 'llvm/include/llvm/CodeGen/GlobalISel/RegBankSelect.h')
| -rw-r--r-- | llvm/include/llvm/CodeGen/GlobalISel/RegBankSelect.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/RegBankSelect.h b/llvm/include/llvm/CodeGen/GlobalISel/RegBankSelect.h index 028fe95d80c..d329d529246 100644 --- a/llvm/include/llvm/CodeGen/GlobalISel/RegBankSelect.h +++ b/llvm/include/llvm/CodeGen/GlobalISel/RegBankSelect.h @@ -515,6 +515,18 @@ private: const RegisterBankInfo::InstructionMapping &InstrMapping, SmallVectorImpl<RepairingPlacement> &RepairPts); + /// When \p RepairPt involves splitting to repair \p MO for the + /// given \p ValMapping, try to change the way we repair such that + /// the splitting is not required anymore. + /// + /// \pre \p RepairPt.hasSplit() + /// \pre \p MO == MO.getParent()->getOperand(\p RepairPt.getOpIdx()) + /// \pre \p ValMapping is the mapping of \p MO for MO.getParent() + /// that implied \p RepairPt. + void tryAvoidingSplit(RegBankSelect::RepairingPlacement &RepairPt, + const MachineOperand &MO, + const RegisterBankInfo::ValueMapping &ValMapping) const; + /// Apply \p Mapping to \p MI. \p RepairPts represents the different /// mapping action that need to happen for the mapping to be /// applied. |
