Remove ScheduleDAG's SUnitMap altogether. Instead, use SDNode's NodeId

field, which is otherwise unused after instruction selection, as an index
into the SUnit array.

llvm-svn: 52583

1 files changed, 2 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
index 909588cad54..ab6e92db46e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
@@ -94,7 +94,7 @@ void ScheduleDAGList::Schedule() {
   // Build scheduling units.
   BuildSchedUnits();
 
-  AvailableQueue->initNodes(SUnitMap, SUnits);
+  AvailableQueue->initNodes(SUnits);
   
   ListScheduleTopDown();
   
@@ -320,8 +320,7 @@ public:
     LatencyPriorityQueue() : Queue(latency_sort(this)) {
     }
     
-    void initNodes(DenseMap<SDNode*, SUnit*> &sumap,
-                   std::vector<SUnit> &sunits) {
+    void initNodes(std::vector<SUnit> &sunits) {
       SUnits = &sunits;
       // Calculate node priorities.
       CalculatePriorities();