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[NFC] Fix name and clarifying comment for factored-out function 

llvm-svn: 354220
This commit is contained in:
Max Kazantsev 2019-02-17 15:22:48 +00:00
parent 3e1193743c
commit d72c1a0c5c
1 changed files with 5 additions and 4 deletions
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9
llvm/lib/Transforms/Scalar/LoopSimplifyCFG.cpp
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@ -90,9 +90,10 @@ static void removeBlockFromLoops(BasicBlock *BB, Loop *FirstLoop,
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 @@ private:
// 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.