diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstructionCombining.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstructionCombining.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Transforms/InstCombine/InstructionCombining.cpp b/lib/Transforms/InstCombine/InstructionCombining.cpp index 218e7ae229..8e59c01da8 100644 --- a/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -1000,9 +1000,8 @@ static bool AddReachableCodeToWorklist(BasicBlock *BB, SmallPtrSet<ConstantExpr*, 64> FoldedConstants; - while (!Worklist.empty()) { - BB = Worklist.back(); - Worklist.pop_back(); + do { + BB = Worklist.pop_back_val(); // We have now visited this block! If we've already been here, ignore it. if (!Visited.insert(BB)) continue; @@ -1082,7 +1081,7 @@ static bool AddReachableCodeToWorklist(BasicBlock *BB, for (unsigned i = 0, e = TI->getNumSuccessors(); i != e; ++i) Worklist.push_back(TI->getSuccessor(i)); - } + } while (!Worklist.empty()); // Once we've found all of the instructions to add to instcombine's worklist, // add them in reverse order. This way instcombine will visit from the top |