diff options
Diffstat (limited to 'include/llvm')
| -rw-r--r-- | include/llvm/CodeGen/LiveIntervalAnalysis.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h index abeb0fb..da521db 100644 --- a/include/llvm/CodeGen/LiveIntervalAnalysis.h +++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h @@ -246,6 +246,10 @@ namespace llvm { /// return NULL. MachineBasicBlock *intervalIsInOneMBB(const LiveInterval &LI) const; + /// Returns true if VNI is killed by any PHI-def values in LI. + /// This may conservatively return true to avoid expensive computations. + bool hasPHIKill(const LiveInterval &LI, const VNInfo *VNI) const; + /// addKillFlags - Add kill flags to any instruction that kills a virtual /// register. void addKillFlags(); |