update comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1862 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/TransformInternals.cpp b/lib/Transforms/TransformInternals.cpp
index 67c25e2..a68cf87 100644
--- a/lib/Transforms/TransformInternals.cpp
+++ b/lib/Transforms/TransformInternals.cpp
@@ -50,13 +50,12 @@
"ReplaceInstWithInst: Instruction already inserted into basic block!");
// Insert the new instruction into the basic block...
- BI = BIL.insert(BI, I)+1;
+ BI = BIL.insert(BI, I)+1; // Increment BI to point to instruction to delete
// Replace all uses of the old instruction, and delete it.
ReplaceInstWithValue(BIL, BI, I);
- // Reexamine the instruction just inserted next time around the cleanup pass
- // loop.
+ // Move BI back to point to the newly inserted instruction
--BI;
}