1 files changed, 4 insertions, 35 deletions
diff --git a/llvm/lib/Transforms/Utils/StripNonLineTableDebugInfo.cpp b/llvm/lib/Transforms/Utils/StripNonLineTableDebugInfo.cpp
index 10fda4df51ba..618c6bab3a8f 100644
--- a/llvm/lib/Transforms/Utils/StripNonLineTableDebugInfo.cpp
+++ b/llvm/lib/Transforms/Utils/StripNonLineTableDebugInfo.cpp
@@ -8,44 +8,13 @@
 
 #include "llvm/Transforms/Utils/StripNonLineTableDebugInfo.h"
 #include "llvm/IR/DebugInfo.h"
-#include "llvm/InitializePasses.h"
-#include "llvm/Pass.h"
-#include "llvm/Transforms/Utils.h"
-using namespace llvm;
-
-namespace {
-
-/// This pass strips all debug info that is not related line tables.
-/// The result will be the same as if the program where compiled with
-/// -gline-tables-only.
-struct StripNonLineTableDebugLegacyPass : public ModulePass {
-  static char ID; // Pass identification, replacement for typeid
-  StripNonLineTableDebugLegacyPass() : ModulePass(ID) {
-    initializeStripNonLineTableDebugLegacyPassPass(
-        *PassRegistry::getPassRegistry());
-  }
 
-  void getAnalysisUsage(AnalysisUsage &AU) const override {
-    AU.setPreservesAll();
-  }
-
-  bool runOnModule(Module &M) override {
-    return llvm::stripNonLineTableDebugInfo(M);
-  }
-};
-}
-
-char StripNonLineTableDebugLegacyPass::ID = 0;
-INITIALIZE_PASS(StripNonLineTableDebugLegacyPass,
-                "strip-nonlinetable-debuginfo",
-                "Strip all debug info except linetables", false, false)
-
-ModulePass *llvm::createStripNonLineTableDebugLegacyPass() {
-  return new StripNonLineTableDebugLegacyPass();
-}
+using namespace llvm;
 
 PreservedAnalyses
 StripNonLineTableDebugInfoPass::run(Module &M, ModuleAnalysisManager &AM) {
   llvm::stripNonLineTableDebugInfo(M);
-  return PreservedAnalyses::all();
+  PreservedAnalyses PA;
+  PA.preserveSet<CFGAnalyses>();
+  return PA;
 }