[LoopPass] Some minor cleanups
No functional change is intended.
llvm-svn: 275999
diff --git a/llvm/lib/Analysis/LoopPass.cpp b/llvm/lib/Analysis/LoopPass.cpp
index 222345c..98103c1 100644
--- a/llvm/lib/Analysis/LoopPass.cpp
+++ b/llvm/lib/Analysis/LoopPass.cpp
@@ -131,8 +131,8 @@
// Recurse through all subloops and all loops into LQ.
static void addLoopIntoQueue(Loop *L, std::deque<Loop *> &LQ) {
LQ.push_back(L);
- for (Loop::reverse_iterator I = L->rbegin(), E = L->rend(); I != E; ++I)
- addLoopIntoQueue(*I, LQ);
+ for (Loop *I : reverse(*L))
+ addLoopIntoQueue(I, LQ);
}
/// Pass Manager itself does not invalidate any analysis info.
@@ -162,16 +162,14 @@
// Note that LoopInfo::iterator visits loops in reverse program
// order. Here, reverse_iterator gives us a forward order, and the LoopQueue
// reverses the order a third time by popping from the back.
- for (LoopInfo::reverse_iterator I = LI->rbegin(), E = LI->rend(); I != E; ++I)
- addLoopIntoQueue(*I, LQ);
+ for (Loop *L : reverse(*LI))
+ addLoopIntoQueue(L, LQ);
if (LQ.empty()) // No loops, skip calling finalizers
return false;
// Initialization
- for (std::deque<Loop *>::const_iterator I = LQ.begin(), E = LQ.end();
- I != E; ++I) {
- Loop *L = *I;
+ for (Loop *L : LQ) {
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
LoopPass *P = getContainedPass(Index);
Changed |= P->doInitialization(L, *this);