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-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 c7ffed96b7..e3aaffb630 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.h
+++ b/lib/CodeGen/ScheduleDAGInstrs.h
@@ -112,6 +112,8 @@ namespace llvm {
/// Live Intervals provides reaching defs in preRA scheduling.
LiveIntervals *LIS;
+ /// After calling BuildSchedGraph, each machine instruction in the current
+ /// scheduling region is mapped to an SUnit.
DenseMap<MachineInstr*, SUnit*> MISUnitMap;
/// UnitLatencies (misnamed) flag avoids computing def-use latencies, using