diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/CodeGen/GlobalISel/RegBankSelect.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/GlobalISel/RegBankSelect.h b/include/llvm/CodeGen/GlobalISel/RegBankSelect.h index e8454e82f89..29a89dca18f 100644 --- a/include/llvm/CodeGen/GlobalISel/RegBankSelect.h +++ b/include/llvm/CodeGen/GlobalISel/RegBankSelect.h @@ -525,6 +525,15 @@ private: RegBankSelect::RepairingPlacement &RepairPt, const iterator_range<SmallVectorImpl<unsigned>::iterator> &NewVRegs); + /// Return the cost of the instruction needed to map \p MO to \p ValMapping. + /// The cost is free of basic block frequencies. + /// \pre MO.isReg() + /// \pre MO is assigned to a register bank. + /// \pre ValMapping is a valid mapping for MO. + uint64_t + getRepairCost(const MachineOperand &MO, + const RegisterBankInfo::ValueMapping &ValMapping) const; + /// Find the best mapping for \p MI from \p PossibleMappings. /// \return a reference on the best mapping in \p PossibleMappings. RegisterBankInfo::InstructionMapping & |