Use do+while instead of while for loops which obviously have a
non-zero trip count. Use SmallVector's pop_back_val().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92734 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index 37f383f..5a49841 100644
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -62,8 +62,7 @@
// Propagate liveness backwards to operands.
while (!worklist.empty()) {
- Instruction* curr = worklist.back();
- worklist.pop_back();
+ Instruction* curr = worklist.pop_back_val();
for (Instruction::op_iterator OI = curr->op_begin(), OE = curr->op_end();
OI != OE; ++OI)