//
//===----------------------------------------------------------------------===//
-#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;
+#define DEBUG_TYPE "strip-dead-prototypes"
+
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:
static char ID; // Pass identification, replacement for typeid
- StripDeadPrototypesPass() : ModulePass(&ID) { }
- virtual bool runOnModule(Module &M);
+ StripDeadPrototypesPass() : ModulePass(ID) {
+ initializeStripDeadPrototypesPassPass(*PassRegistry::getPassRegistry());
+ }
+ bool runOnModule(Module &M) override;
};
} // end anonymous namespace
char StripDeadPrototypesPass::ID = 0;
-static RegisterPass<StripDeadPrototypesPass>
-X("strip-dead-prototypes", "Strip Unused Function Prototypes");
+INITIALIZE_PASS(StripDeadPrototypesPass, "strip-dead-prototypes",
+ "Strip Unused Function Prototypes", false, false)
bool StripDeadPrototypesPass::runOnModule(Module &M) {
bool MadeChange = false;
// Erase dead function prototypes.
for (Module::iterator I = M.begin(), E = M.end(); I != E; ) {
- Function *F = I++;
+ Function *F = &*I++;
// Function must be a prototype and unused.
if (F->isDeclaration() && F->use_empty()) {
F->eraseFromParent();
// Erase dead global var prototypes.
for (Module::global_iterator I = M.global_begin(), E = M.global_end();
I != E; ) {
- GlobalVariable *GV = I++;
+ GlobalVariable *GV = &*I++;
// Global must be a prototype and unused.
if (GV->isDeclaration() && GV->use_empty())
GV->eraseFromParent();