diff options
| -rw-r--r-- | lib/CodeGen/RegisterCoalescer.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index 3204eff9cb..7126bdd167 100644 --- a/lib/CodeGen/RegisterCoalescer.cpp +++ b/lib/CodeGen/RegisterCoalescer.cpp @@ -870,7 +870,9 @@ bool RegisterCoalescer::reMaterializeTrivialDef(LiveInterval &SrcInt, ++NumReMats; // The source interval can become smaller because we removed a use. - LIS->shrinkToUses(&SrcInt); + LIS->shrinkToUses(&SrcInt, &DeadDefs); + if (!DeadDefs.empty()) + eliminateDeadDefs(); return true; } |