summaryrefslogtreecommitdiff
path: root/lib/CodeGen/ScheduleDAGInstrs.h
diff options
context:
space:
mode:
authorAndrew Trick <atrick@apple.com>2012-03-07 05:21:54 +0000
committerAndrew Trick <atrick@apple.com>2012-03-07 05:21:54 +0000
commit6fd7dd6ba57c1b5ba1f12e7e9da574b9dbd8ae09 (patch)
treebff2bc1e993ae3716e6b474d270811ff77130c63 /lib/CodeGen/ScheduleDAGInstrs.h
parent47c144505b9be28ed22c626b3a407c11dba2fec5 (diff)
downloadllvm-6fd7dd6ba57c1b5ba1f12e7e9da574b9dbd8ae09.tar.gz
llvm-6fd7dd6ba57c1b5ba1f12e7e9da574b9dbd8ae09.tar.bz2
llvm-6fd7dd6ba57c1b5ba1f12e7e9da574b9dbd8ae09.tar.xz
comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152209 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.h')
-rw-r--r--lib/CodeGen/ScheduleDAGInstrs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.h b/lib/CodeGen/ScheduleDAGInstrs.h
index 7830f83fff..b09840dab4 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.h
+++ b/lib/CodeGen/ScheduleDAGInstrs.h
@@ -297,6 +297,8 @@ namespace llvm {
/// Schedule - Order nodes according to selected style, filling
/// in the Sequence member.
///
+ /// Typically, a scheduling algorithm will implement Schedule() without
+ /// overriding enterRegion() or exitRegion().
virtual void Schedule() = 0;
virtual void dumpNode(const SUnit *SU) const;