add support for caching pointer dependence queries. Nothing uses this yet

[oota-llvm.git] / lib / Analysis / InstCount.cpp

diff --git a/lib/Analysis/InstCount.cpp b/lib/Analysis/InstCount.cpp
index 090dcdd57793ee33a3b6e5dd76503237f2971484..2dea7b3ef6878d839d6a93ddc1951a55b46398e8 100644 (file)
--- a/lib/Analysis/InstCount.cpp
+++ b/lib/Analysis/InstCount.cpp
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -15,6 +15,7 @@
 #include "llvm/Analysis/Passes.h"
 #include "llvm/Pass.h"
 #include "llvm/Function.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/InstVisitor.h"
 #include "llvm/Support/Streams.h"
 #include "llvm/ADT/Statistic.h"
@@ -33,7 +34,8 @@ STATISTIC(TotalMemInst, "Number of memory instructions");
 
 
 namespace {
-  class InstCount : public FunctionPass, public InstVisitor<InstCount> {
+  class VISIBILITY_HIDDEN InstCount 
+      : public FunctionPass, public InstVisitor<InstCount> {
     friend class InstVisitor<InstCount>;
 
     void visitFunction  (Function &F) { ++TotalFuncs; }
@@ -49,6 +51,9 @@ namespace {
       abort();
     }
   public:
+    static char ID; // Pass identification, replacement for typeid
+    InstCount() : FunctionPass(&ID) {}
+
     virtual bool runOnFunction(Function &F);
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
@@ -57,11 +62,12 @@ namespace {
     virtual void print(std::ostream &O, const Module *M) const {}
 
   };
-
-  RegisterPass<InstCount> X("instcount",
-                            "Counts the various types of Instructions");
 }
 
+char InstCount::ID = 0;
+static RegisterPass<InstCount>
+X("instcount", "Counts the various types of Instructions", false, true);
+
 FunctionPass *llvm::createInstCountPass() { return new InstCount(); }
 
 // InstCount::run - This is the main Analysis entry point for a