Use pop_back_val instead of back followed by pop_back.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122876 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/LoopInstSimplify.cpp b/lib/Transforms/Scalar/LoopInstSimplify.cpp
index 22ec48dde3f5e6955dcfff05047a6bb30c7ef990..da57e6ff4796c9a29283d3287e19d9f14c9fb8e2 100644 (file)
--- a/lib/Transforms/Scalar/LoopInstSimplify.cpp
+++ b/lib/Transforms/Scalar/LoopInstSimplify.cpp
@@ -82,8 +82,7 @@ bool LoopInstSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
     VisitStack.push_back(L->getHeader());
 
     while (!VisitStack.empty()) {
-      BasicBlock *BB = VisitStack.back();
-      VisitStack.pop_back();
+      BasicBlock *BB = VisitStack.pop_back_val();
 
       // Simplify instructions in the current basic block.
       for (BasicBlock::iterator BI = BB->begin(), BE = BB->end(); BI != BE;) {