Changes in directory llvm/lib/CodeGen/SelectionDAG:
ScheduleDAGRRList.cpp updated: 1.4 -> 1.5
---
Log message:
Turn on -sched-commute-nodes by default.
---
Diffs of the changes: (+2 -7)
ScheduleDAGRRList.cpp | 9 ++-------
1 files changed, 2 insertions(+), 7 deletions(-)
Index: llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp:1.4
llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp:1.5
--- llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp:1.4 Sat May 13
03:22:24 2006
+++ llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp Thu May 25 03:37:31 2006
@@ -31,10 +31,6 @@
using namespace llvm;
namespace {
- cl::opt<bool> SchedCommuteNodes("sched-commute-nodes", cl::Hidden);
-}
-
-namespace {
//===----------------------------------------------------------------------===//
/// ScheduleDAGRRList - The actual register reduction list scheduler
/// implementation. This supports both top-down and bottom-up scheduling.
@@ -100,8 +96,7 @@
AvailableQueue->releaseState();
- if (SchedCommuteNodes)
- CommuteNodesToReducePressure();
+ CommuteNodesToReducePressure();
DEBUG(std::cerr << "*** Final schedule ***\n");
DEBUG(dumpSchedule());
@@ -685,7 +680,7 @@
SUnit *SuccSU = I->first;
if (SuccSU != SU &&
(!canClobber(SuccSU, DUSU) ||
- (SchedCommuteNodes && !SU->isCommutable &&
SuccSU->isCommutable))){
+ (!SU->isCommutable && SuccSU->isCommutable))){
if (SuccSU->Depth == SU->Depth && !isReachable(SuccSU, SU)) {
DEBUG(std::cerr << "Adding an edge from SU # " << SU->NodeNum
<< " to SU #" << SuccSU->NodeNum << "\n");
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