[NFC] Fix name and clarifying comment for factored-out function
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354220 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopSimplifyCFG.cpp b/lib/Transforms/Scalar/LoopSimplifyCFG.cpp
index 124c55e..4f1213d 100644
--- a/lib/Transforms/Scalar/LoopSimplifyCFG.cpp
+++ b/lib/Transforms/Scalar/LoopSimplifyCFG.cpp
@@ -90,9 +90,10 @@
Current->removeBlockFromLoop(BB);
}
-/// Find innermost loop that is reachable from \p BBs and contains loop \p L.
-static Loop *getInnermostSuccessorLoop(SmallPtrSetImpl<BasicBlock *> &BBs,
- Loop &L, LoopInfo &LI) {
+/// Find innermost loop that contains at least one block from \p BBs and
+/// contains the header of loop \p L.
+static Loop *getInnermostLoopFor(SmallPtrSetImpl<BasicBlock *> &BBs,
+ Loop &L, LoopInfo &LI) {
Loop *StillReachable = nullptr;
for (BasicBlock *BB : BBs) {
Loop *BBL = LI.getLoopFor(BB);
@@ -383,7 +384,7 @@
// the current loop. We need to fix loop info accordingly. For this, we
// find the most nested loop that still contains L and remove L from all
// loops that are inside of it.
- Loop *StillReachable = getInnermostSuccessorLoop(LiveExitBlocks, L, LI);
+ Loop *StillReachable = getInnermostLoopFor(LiveExitBlocks, L, LI);
// Okay, our loop is no longer in the outer loop (and maybe not in some of
// its parents as well). Make the fixup.