diff options
Diffstat (limited to 'llvm/lib/CodeGen/ReachingDefAnalysis.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/ReachingDefAnalysis.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/ReachingDefAnalysis.cpp b/llvm/lib/CodeGen/ReachingDefAnalysis.cpp index 63989bd..e94e547 100644 --- a/llvm/lib/CodeGen/ReachingDefAnalysis.cpp +++ b/llvm/lib/CodeGen/ReachingDefAnalysis.cpp @@ -635,6 +635,9 @@ void ReachingDefAnalysis::collectKilledOperands(MachineInstr *MI, InstSet &Dead) const { Dead.insert(MI); auto IsDead = [this, &Dead](MachineInstr *Def, int PhysReg) { + if (mayHaveSideEffects(*Def)) + return false; + unsigned LiveDefs = 0; for (auto &MO : Def->operands()) { if (!isValidRegDef(MO)) |