[llvm] 2b2bfdb - [NFC] Add the stats for load/store cluster

[QingShan Zhang via llvm-commits]

Author: QingShan Zhang
Date: 2020-08-07T07:09:48Z
New Revision: 2b2bfdb474da0bf070a8e5a06f704a37a06500d6

URL: https://github.com/llvm/llvm-project/commit/2b2bfdb474da0bf070a8e5a06f704a37a06500d6
DIFF: https://github.com/llvm/llvm-project/commit/2b2bfdb474da0bf070a8e5a06f704a37a06500d6.diff

LOG: [NFC] Add the stats for load/store cluster

We have the stats for MacroFusion but miss it for load/store cluster.

Added: 
    

Modified: 
    llvm/lib/CodeGen/MachineScheduler.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index fe4ceb292292..a8ccf2643f20 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