diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCInstrInfo.h')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCInstrInfo.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.h b/llvm/lib/Target/PowerPC/PPCInstrInfo.h index 43973c627fcf1..556c95fef3bdb 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrInfo.h +++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.h @@ -570,14 +570,16 @@ public: /// up. Before calling this function, /// 1. Ensure that \p RegNo liveness is killed after instruction \p EndMI. /// 2. Ensure that there is no new definition between (\p StartMI, \p EndMI) - /// and possible definition for \p RegNo is \p StartMI or \p EndMI. + /// and possible definition for \p RegNo is \p StartMI or \p EndMI. For + /// pre-RA cases, definition may be \p StartMI through COPY, \p StartMI + /// will be adjust to true definition. /// 3. We can do accurate fixup for the case when all instructions between /// [\p StartMI, \p EndMI] are in same basic block. /// 4. For the case when \p StartMI and \p EndMI are not in same basic block, /// we conservatively clear kill flag for all uses of \p RegNo for pre-RA /// and for post-RA, we give an assertion as without reaching definition /// analysis post-RA, \p StartMI and \p EndMI are hard to keep right. - void fixupIsDeadOrKill(MachineInstr &StartMI, MachineInstr &EndMI, + void fixupIsDeadOrKill(MachineInstr *StartMI, MachineInstr *EndMI, unsigned RegNo) const; void replaceInstrWithLI(MachineInstr &MI, const LoadImmediateInfo &LII) const; void replaceInstrOperandWithImm(MachineInstr &MI, unsigned OpNo, |