//
//===----------------------------------------------------------------------===//
-#include "llvm/Transforms/IPO.h"
+#include "llvm/Transforms/IPO/StripDeadPrototypes.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"
+#include "llvm/Transforms/IPO.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 StripDeadPrototypesPass : public ModulePass {
-public:
- static char ID; // Pass identification, replacement for typeid
- StripDeadPrototypesPass() : ModulePass(ID) {
- initializeStripDeadPrototypesPassPass(*PassRegistry::getPassRegistry());
- }
- bool runOnModule(Module &M) override;
-};
-
-} // end anonymous namespace
-
-char StripDeadPrototypesPass::ID = 0;
-INITIALIZE_PASS(StripDeadPrototypesPass, "strip-dead-prototypes",
- "Strip Unused Function Prototypes", false, false)
-
-bool StripDeadPrototypesPass::runOnModule(Module &M) {
+static bool stripDeadPrototypes(Module &M) {
bool MadeChange = false;
// Erase dead function prototypes.
return MadeChange;
}
+PreservedAnalyses StripDeadPrototypesPass::run(Module &M) {
+ if (stripDeadPrototypes(M))
+ return PreservedAnalyses::none();
+ return PreservedAnalyses::all();
+}
+
+namespace {
+
+class StripDeadPrototypesLegacyPass : public ModulePass {
+public:
+ static char ID; // Pass identification, replacement for typeid
+ StripDeadPrototypesLegacyPass() : ModulePass(ID) {
+ initializeStripDeadPrototypesLegacyPassPass(
+ *PassRegistry::getPassRegistry());
+ }
+ bool runOnModule(Module &M) override {
+ return stripDeadPrototypes(M);
+ }
+};
+
+} // end anonymous namespace
+
+char StripDeadPrototypesLegacyPass::ID = 0;
+INITIALIZE_PASS(StripDeadPrototypesLegacyPass, "strip-dead-prototypes",
+ "Strip Unused Function Prototypes", false, false)
+
ModulePass *llvm::createStripDeadPrototypesPass() {
- return new StripDeadPrototypesPass();
+ return new StripDeadPrototypesLegacyPass();
}