From 1008f8c789a9f821f6a2034781983b7747e78769 Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Fri, 14 Sep 2012 06:18:52 +0000
Subject: [PATCH] comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163876 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Target/Target.td | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/llvm/Target/Target.td b/include/llvm/Target/Target.td
index 42747af41e4..a68eb8339d2 100644
--- a/include/llvm/Target/Target.td
+++ b/include/llvm/Target/Target.td
@@ -989,6 +989,9 @@ class Processor<string n, ProcessorItineraries pi, list<SubtargetFeature> f> {
 // ProcessorModel allows subtargets to specify the more general
 // SchedMachineModel instead if a ProcessorItinerary. Subtargets will
 // gradually move to this newer form.
+//
+// Although this class always passes NoItineraries to the Processor
+// class, the SchedMachineModel may still define valid Itineraries.
 class ProcessorModel<string n, SchedMachineModel m, list<SubtargetFeature> f>
   : Processor<n, NoItineraries, f> {
   let SchedModel = m;
-- 
2.34.1