[PATCH] D110394: [NFC] Mark LI.getLoopsInPreorder and LI.getLoopsInReverseSiblingPreorder const.

[Joachim Meyer via Phabricator via llvm-commits]

fodinabor created this revision.
fodinabor added reviewers: RKSimon, fhahn, efriedma, kazu.
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They create a new vector with the list, so they can be const.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D110394

Files:
  llvm/include/llvm/Analysis/LoopInfo.h
  llvm/include/llvm/Analysis/LoopInfoImpl.h


Index: llvm/include/llvm/Analysis/LoopInfoImpl.h
===================================================================
--- llvm/include/llvm/Analysis/LoopInfoImpl.h
+++ llvm/include/llvm/Analysis/LoopInfoImpl.h
@@ -574,7 +574,7 @@
 }
 
 template <class BlockT, class LoopT>
-SmallVector<LoopT *, 4> LoopInfoBase<BlockT, LoopT>::getLoopsInPreorder() {
+SmallVector<LoopT *, 4> LoopInfoBase<BlockT, LoopT>::getLoopsInPreorder() const {
   SmallVector<LoopT *, 4> PreOrderLoops, PreOrderWorklist;
   // The outer-most loop actually goes into the result in the same relative
   // order as we walk it. But LoopInfo stores the top level loops in reverse
@@ -592,7 +592,7 @@
 
 template <class BlockT, class LoopT>
 SmallVector<LoopT *, 4>
-LoopInfoBase<BlockT, LoopT>::getLoopsInReverseSiblingPreorder() {
+LoopInfoBase<BlockT, LoopT>::getLoopsInReverseSiblingPreorder() const {
   SmallVector<LoopT *, 4> PreOrderLoops, PreOrderWorklist;
   // The outer-most loop actually goes into the result in the same relative
   // order as we walk it. LoopInfo stores the top level loops in reverse
Index: llvm/include/llvm/Analysis/LoopInfo.h
===================================================================
--- llvm/include/llvm/Analysis/LoopInfo.h
+++ llvm/include/llvm/Analysis/LoopInfo.h
@@ -950,7 +950,7 @@
   ///
   /// Note that because loops form a forest of trees, preorder is equivalent to
   /// reverse postorder.
-  SmallVector<LoopT *, 4> getLoopsInPreorder();
+  SmallVector<LoopT *, 4> getLoopsInPreorder() const;
 
   /// Return all of the loops in the function in preorder across the loop
   /// nests, with siblings in *reverse* program order.
@@ -960,7 +960,7 @@
   ///
   /// Also note that this is *not* a reverse preorder. Only the siblings are in
   /// reverse program order.
-  SmallVector<LoopT *, 4> getLoopsInReverseSiblingPreorder();
+  SmallVector<LoopT *, 4> getLoopsInReverseSiblingPreorder() const;
 
   /// Return the inner most loop that BB lives in. If a basic block is in no
   /// loop (for example the entry node), null is returned.


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