Should reset DBI_Prev if DBI_Next == 0.

llvm-svn: 65314
2009-02-23 10:14:11 +00:00 · 2009-02-23 10:14:11 +00:00 · 3a86bcf134
parent 9f8fddeed8
commit 3a86bcf134
1 changed files with 2 additions and 0 deletions
--- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
@ -12419,6 +12419,8 @@ static void AddReachableCodeToWorklist(BasicBlock *BB,
          DBI_Prev->eraseFromParent();
        }
        DBI_Prev = DBI_Next;
+      } else {
+        DBI_Prev = 0;
      }

      IC.AddToWorkList(Inst);