From: Chen Li <meloli87@gmail.com>
Date: Wed, 14 Oct 2015 19:47:43 +0000 (+0000)
Subject: [LoopUnswitch] Correct misleading comments.
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=2e718249dc58c1d97e3b8d901106e91c9daa72a8

[LoopUnswitch] Correct misleading comments.

Reviewers: reames

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D13738

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250317 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index d55fad0f1fa..8c260c7c965 100644
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -487,8 +487,7 @@ bool LoopUnswitch::processCurrentLoop() {
 
   LLVMContext &Context = loopHeader->getContext();
 
-  // Probably we reach the quota of branches for this loop. If so
-  // stop unswitching.
+  // Analyze loop cost, and stop unswitching if loop content can not be duplicated.
   if (!BranchesInfo.countLoop(
           currentLoop, getAnalysis<TargetTransformInfoWrapperPass>().getTTI(
                            *currentLoop->getHeader()->getParent()),