X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=lib%2FTransforms%2FIPO%2FStripDeadPrototypes.cpp;h=f00830aadaad001adecdca26a2a82599dabeb8de;hp=7d03ae68abf68d9dd3614cbff156eb006a53c238;hb=0b8c9a80f20772c3793201ab5b251d3520b9cea3;hpb=4a6f363491c37e0a31f462e72d640d9d4c63177e

diff --git a/lib/Transforms/IPO/StripDeadPrototypes.cpp b/lib/Transforms/IPO/StripDeadPrototypes.cpp
index 7d03ae68abf..f00830aadaa 100644
--- a/lib/Transforms/IPO/StripDeadPrototypes.cpp
+++ b/lib/Transforms/IPO/StripDeadPrototypes.cpp
@@ -1,23 +1,24 @@
-//===-- StripDeadPrototypes.cpp - Removed unused function declarations ----===//
+//===-- StripDeadPrototypes.cpp - Remove unused function declarations ----===//
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Reid Spencer 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.
 //
 //===----------------------------------------------------------------------===//
 //
 // This pass loops over all of the functions in the input module, looking for 
-// dead declarations and removes them.
+// dead declarations and removes them. Dead declarations are declarations of
+// functions for which no implementation is available (i.e., declarations for
+// unused library functions).
 //
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "strip-dead-prototypes"
 #include "llvm/Transforms/IPO.h"
-#include "llvm/Pass.h"
-#include "llvm/Module.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/Support/Compiler.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Pass.h"
 using namespace llvm;
 
 STATISTIC(NumDeadPrototypes, "Number of dead prototypes removed");
@@ -25,16 +26,21 @@ STATISTIC(NumDeadPrototypes, "Number of dead prototypes removed");
 namespace {
 
 /// @brief Pass to remove unused function declarations.
-class VISIBILITY_HIDDEN StripDeadPrototypesPass : public ModulePass {
+class StripDeadPrototypesPass : public ModulePass {
 public:
-  StripDeadPrototypesPass() { }
+  static char ID; // Pass identification, replacement for typeid
+  StripDeadPrototypesPass() : ModulePass(ID) {
+    initializeStripDeadPrototypesPassPass(*PassRegistry::getPassRegistry());
+  }
   virtual bool runOnModule(Module &M);
 };
-RegisterPass<StripDeadPrototypesPass> X("strip-dead-prototypes", 
-                                        "Strip Unused Function Prototypes");
 
 } // end anonymous namespace
 
+char StripDeadPrototypesPass::ID = 0;
+INITIALIZE_PASS(StripDeadPrototypesPass, "strip-dead-prototypes",
+                "Strip Unused Function Prototypes", false, false)
+
 bool StripDeadPrototypesPass::runOnModule(Module &M) {
   bool MadeChange = false;