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-rw-r--r--lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
index 55b68f8830..b0593a3204 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
@@ -560,6 +560,11 @@ void ScheduleDAGSimple::ScheduleForward() {
/// Schedule - Order nodes according to selected style.
///
void ScheduleDAGSimple::Schedule() {
+ // Set up minimum info for scheduling
+ PrepareNodeInfo();
+ // Construct node groups for flagged nodes
+ IdentifyGroups();
+
// Test to see if scheduling should occur
bool ShouldSchedule = NodeCount > 3 && Heuristic != noScheduling;
// Don't waste time if is only entry and return