Changes in directory llvm/lib/CodeGen/SelectionDAG:
ScheduleDAGList.cpp updated: 1.26 -> 1.27
---
Log message:
add some comments
---
Diffs of the changes: (+13 -8)
ScheduleDAGList.cpp | 21 +++++++++++++--------
1 files changed, 13 insertions(+), 8 deletions(-)
Index: llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp:1.26
llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp:1.27
--- llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp:1.26 Thu Mar 9
00:35:14 2006
+++ llvm/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp Thu Mar 9 00:37:29 2006
@@ -119,13 +119,14 @@
}
//===----------------------------------------------------------------------===//
-// SchedulingPriorityQueue - This interface is used to plug different
-// priorities computation algorithms into the list scheduler. It implements
the
-// interface of a standard priority queue, where nodes are inserted in
arbitrary
-// order and returned in priority order. The computation of the priority and
-// the representation of the queue are totally up to the implementation to
-// decide.
-//
+/// SchedulingPriorityQueue - This interface is used to plug different
+/// priorities computation algorithms into the list scheduler. It implements
the
+/// interface of a standard priority queue, where nodes are inserted in
+/// arbitrary order and returned in priority order. The computation of the
+/// priority and the representation of the queue are totally up to the
+/// implementation to decide.
+///
+namespace {
class SchedulingPriorityQueue {
public:
virtual ~SchedulingPriorityQueue() {}
@@ -137,11 +138,15 @@
virtual void push(SUnit *U) = 0;
virtual SUnit *pop() = 0;
};
+}
namespace {
-/// ScheduleDAGList - List scheduler.
+//===----------------------------------------------------------------------===//
+/// ScheduleDAGList - The actual list scheduler implementation. This supports
+/// both top-down and bottom-up scheduling.
+///
class ScheduleDAGList : public ScheduleDAG {
private:
// SDNode to SUnit mapping (many to one).
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