commit a8d3301ee10671f6215b60ba752c808b727fb98d
author Evandro Menezes <e.menezes@samsung.com> Tue Feb 21 22:16:13 2017 +0000
committer Evandro Menezes <e.menezes@samsung.com> Tue Feb 21 22:16:13 2017 +0000
tree 8e302a2a345e34278611a99cc8d19024f5e57ba0
parent b9b7f4b8d3c804544d9764e00b365bfc8d9c793c

[AArch64, X86] Add statistics for the MacroFusion pass

llvm-svn: 295777

llvm/lib/Target/X86/X86MacroFusion.cpp

diff --git a/llvm/lib/Target/X86/X86MacroFusion.cpp b/llvm/lib/Target/X86/X86MacroFusion.cpp
index ac44d92..e1253d3 100644
--- a/llvm/lib/Target/X86/X86MacroFusion.cpp
+++ b/llvm/lib/Target/X86/X86MacroFusion.cpp
@@ -14,11 +14,14 @@
 
 #include "X86MacroFusion.h"
 #include "X86Subtarget.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Target/TargetInstrInfo.h"
 
 #define DEBUG_TYPE "misched"
 
+STATISTIC(NumFused, "Number of instr pairs fused");
+
 using namespace llvm;
 
 static cl::opt<bool> EnableMacroFusion("x86-misched-fusion", cl::Hidden,
@@ -245,6 +248,7 @@
       if (SuccDep.getSUnit() == &ExitSU)
         SuccDep.setLatency(0);
 
+    ++NumFused;
     DEBUG(dbgs() << "Macro fuse ";
           SU.print(dbgs(), DAG);
           dbgs() << " - ExitSU" << '\n');