Move library call simplification statistic to instcombine

The simplify-libcalls pass maintained a statistic to count the number
of library calls that have been simplified.  Now that library call
simplification is being carried out in instcombine the statistic should
be moved to there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168975 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp
index b7b45a2..60244c7 100644
--- a/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -14,11 +14,14 @@
 #include "InstCombine.h"
 #include "llvm/Support/CallSite.h"
 #include "llvm/DataLayout.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/MemoryBuiltins.h"
 #include "llvm/Transforms/Utils/BuildLibCalls.h"
 #include "llvm/Transforms/Utils/Local.h"
 using namespace llvm;
 
+STATISTIC(NumSimplified, "Number of library calls simplified");
+
 /// getPromotedType - Return the specified type promoted as it would be to pass
 /// though a va_arg area.
 static Type *getPromotedType(Type *Ty) {
@@ -785,8 +788,10 @@ static bool isSafeToEliminateVarargsCast(const CallSite CS,
 Instruction *InstCombiner::tryOptimizeCall(CallInst *CI, const DataLayout *TD) {
   if (CI->getCalledFunction() == 0) return 0;
 
-  if (Value *With = Simplifier->optimizeCall(CI))
+  if (Value *With = Simplifier->optimizeCall(CI)) {
+    ++NumSimplified;
     return CI->use_empty() ? CI : ReplaceInstUsesWith(*CI, With);
+  }
 
   return 0;
 }