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-rw-r--r--llvm/lib/CodeGen/MachineScheduler.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index fe4ceb2..a8ccf26 100644
--- a/llvm/lib/CodeGen/MachineScheduler.cpp
+++ b/llvm/lib/CodeGen/MachineScheduler.cpp
@@ -18,6 +18,7 @@
#include "llvm/ADT/PriorityQueue.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/LiveInterval.h"
@@ -73,6 +74,8 @@ using namespace llvm;
#define DEBUG_TYPE "machine-scheduler"
+STATISTIC(NumClustered, "Number of load/store pairs clustered");
+
namespace llvm {
cl::opt<bool> ForceTopDown("misched-topdown", cl::Hidden,
@@ -1623,6 +1626,7 @@ void BaseMemOpClusterMutation::clusterNeighboringMemOps(
LLVM_DEBUG(dbgs() << "Cluster ld/st SU(" << SUa->NodeNum << ") - SU("
<< SUb->NodeNum << ")\n");
+ ++NumClustered;
if (IsLoad) {
// Copy successor edges from SUa to SUb. Interleaving computation