From: Andrew Trick <atrick@apple.com>
Date: Sat, 5 Mar 2011 08:04:11 +0000 (+0000)
Subject: Missing comment.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=ab2e3e2d7074207e2a4bb15e2913fa83795bb1ca;p=oota-llvm.git

Missing comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127068 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index 035d027afeb..8821b85a852 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -2228,6 +2228,8 @@ bool ilp_ls_rr_sort::isReady(SUnit *SU, unsigned CurCycle) const {
   return true;
 }
 
+// list-ilp is currently an experimental scheduler that allows various
+// heuristics to be enabled prior to the normal register reduction logic.
 bool ilp_ls_rr_sort::operator()(SUnit *left, SUnit *right) const {
   if (left->isCall || right->isCall)
     // No way to compute latency of calls.