Also delete last unused val#.

llvm-svn: 70212
2009-04-27 17:35:19 +00:00 · 2009-04-27 17:35:19 +00:00 · a630ce5fff
parent 2986972118
commit a630ce5fff
1 changed files with 6 additions and 0 deletions
--- a/llvm/lib/CodeGen/LiveInterval.cpp
+++ b/llvm/lib/CodeGen/LiveInterval.cpp
@ -629,6 +629,12 @@ void LiveInterval::MergeInClobberRanges(const LiveInterval &Clobbers,
      UnusedValNo = 0;
    }
  }
+
+  if (UnusedValNo) {
+    // Delete the last unused val#.
+    valnos.pop_back();
+    UnusedValNo->~VNInfo();
+  }
 }

 void LiveInterval::MergeInClobberRange(unsigned Start, unsigned End,