diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.h')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h index 260f054..332874f 100644 --- a/lib/Target/X86/X86InstrInfo.h +++ b/lib/Target/X86/X86InstrInfo.h @@ -192,6 +192,19 @@ public: const MachineInstr *Orig, const TargetRegisterInfo &TRI) const; + /// Given an operand within a MachineInstr, insert preceding code to put it + /// into the right format for a particular kind of LEA instruction. This may + /// involve using an appropriate super-register instead (with an implicit use + /// of the original) or creating a new virtual register and inserting COPY + /// instructions to get the data into the right class. + /// + /// Reference parameters are set to indicate how caller should add this + /// operand to the LEA instruction. + bool classifyLEAReg(MachineInstr *MI, const MachineOperand &Src, + unsigned LEAOpcode, bool AllowSP, + unsigned &NewSrc, bool &isKill, + bool &isUndef, MachineOperand &ImplicitOp) const; + /// convertToThreeAddress - This method must be implemented by targets that /// set the M_CONVERTIBLE_TO_3_ADDR flag. When this flag is set, the target /// may be able to convert a two-address instruction into a true |