diff options
| -rw-r--r-- | llvm/lib/CodeGen/ScheduleDAG.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/ScheduleDAG.cpp b/llvm/lib/CodeGen/ScheduleDAG.cpp index 8ebe8fa6bd6..5294c5b1c2c 100644 --- a/llvm/lib/CodeGen/ScheduleDAG.cpp +++ b/llvm/lib/CodeGen/ScheduleDAG.cpp @@ -14,6 +14,7 @@ #include "llvm/CodeGen/ScheduleDAG.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/Statistic.h" #include "llvm/ADT/iterator_range.h" #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/ScheduleHazardRecognizer.h" @@ -37,6 +38,10 @@ using namespace llvm; #define DEBUG_TYPE "pre-RA-sched" +STATISTIC(NumNewPredsAdded, "Number of times a single predecessor was added"); +STATISTIC(NumTopoInits, + "Number of times the topological order has been recomputed"); + #ifndef NDEBUG static cl::opt<bool> StressSchedOpt( "stress-sched", cl::Hidden, cl::init(false), @@ -497,6 +502,7 @@ void ScheduleDAGTopologicalSort::InitDAGTopologicalSorting() { } Visited.resize(DAGSize); + NumTopoInits++; #ifndef NDEBUG // Check correctness of the ordering @@ -523,6 +529,8 @@ void ScheduleDAGTopologicalSort::AddPred(SUnit *Y, SUnit *X) { // Recompute topological indexes. Shift(Visited, LowerBound, UpperBound); } + + NumNewPredsAdded++; } void ScheduleDAGTopologicalSort::RemovePred(SUnit *M, SUnit *N) { |
