Use do+while instead of while for loops which obviously have a

[oota-llvm.git] / lib / Transforms / Scalar / SCCVN.cpp

diff --git a/lib/Transforms/Scalar/SCCVN.cpp b/lib/Transforms/Scalar/SCCVN.cpp
index f91fbdaa4f23113df4d28cd910c05a524b82b9e9..9685a2945f8c698ae482cf5596d28981a79aa5a6 100644 (file)
--- a/lib/Transforms/Scalar/SCCVN.cpp
+++ b/lib/Transforms/Scalar/SCCVN.cpp
@@ -678,8 +678,7 @@ bool SCCVN::runOnFunction(Function& F) {
           stack.push_back(*PI);
       
       while (!stack.empty()) {
-        BasicBlock* CurrBB = stack.back();
-        stack.pop_back();
+        BasicBlock* CurrBB = stack.pop_back_val();
         visited.insert(CurrBB);
         
         ValueNumberScope* S = BBMap[CurrBB];