commit 77e03b98c70ca894bcd81075e3a279ace5c11f15
author Zhou Sheng <zhousheng00@gmail.com> Mon Feb 23 10:14:11 2009 +0000
committer Zhou Sheng <zhousheng00@gmail.com> Mon Feb 23 10:14:11 2009 +0000
tree 236213a2046e48b44c435544562f237ac02dcefc
parent ef35628e06875d527f83f5c1bfba9d5a134e3b53

Should reset DBI_Prev if DBI_Next == 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65314 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/InstructionCombining.cpp

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 1a4396b..7f2cab9 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -12419,6 +12419,8 @@
           DBI_Prev->eraseFromParent();
         }
         DBI_Prev = DBI_Next;
+      } else {
+        DBI_Prev = 0;
       }
 
       IC.AddToWorkList(Inst);