3 files changed, 44 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/CMakeLists.txt b/llvm/lib/Transforms/Utils/CMakeLists.txt
index a2b3882940c..a1f98ef8aa3 100644
--- a/llvm/lib/Transforms/Utils/CMakeLists.txt
+++ b/llvm/lib/Transforms/Utils/CMakeLists.txt
@@ -41,6 +41,7 @@ add_llvm_library(LLVMTransformUtils
   SimplifyInstructions.cpp
   SimplifyLibCalls.cpp
   SplitModule.cpp
+  StripNonLineTableDebugInfo.cpp
   SymbolRewriter.cpp
   UnifyFunctionExitNodes.cpp
   Utils.cpp
diff --git a/llvm/lib/Transforms/Utils/StripNonLineTableDebugInfo.cpp b/llvm/lib/Transforms/Utils/StripNonLineTableDebugInfo.cpp
new file mode 100644
index 00000000000..66dbf335cb9
--- /dev/null
+++ b/llvm/lib/Transforms/Utils/StripNonLineTableDebugInfo.cpp
@@ -0,0 +1,42 @@
+//===- StripNonLineTableDebugInfo.cpp -- Strip parts of Debug Info --------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Transforms/IPO.h"
+#include "llvm/IR/DebugInfo.h"
+#include "llvm/Pass.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 StripNonLineTableDebugInfo : public ModulePass {
+  static char ID; // Pass identification, replacement for typeid
+  StripNonLineTableDebugInfo() : ModulePass(ID) {
+    initializeStripNonLineTableDebugInfoPass(*PassRegistry::getPassRegistry());
+  }
+
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
+    AU.setPreservesAll();
+  }
+
+  bool runOnModule(Module &M) override {
+    return llvm::stripNonLineTableDebugInfo(M);
+  }
+};
+}
+
+char StripNonLineTableDebugInfo::ID = 0;
+INITIALIZE_PASS(StripNonLineTableDebugInfo, "strip-nonlinetable-debuginfo",
+                "Strip all debug info except linetables", false, false)
+
+ModulePass *llvm::createStripNonLineTableDebugInfoPass() {
+  return new StripNonLineTableDebugInfo();
+}
diff --git a/llvm/lib/Transforms/Utils/Utils.cpp b/llvm/lib/Transforms/Utils/Utils.cpp
index aa23e805487..35502df37d3 100644
--- a/llvm/lib/Transforms/Utils/Utils.cpp
+++ b/llvm/lib/Transforms/Utils/Utils.cpp
@@ -30,6 +30,7 @@ void llvm::initializeTransformUtils(PassRegistry &Registry) {
   initializeLowerSwitchPass(Registry);
   initializeNameAnonGlobalLegacyPassPass(Registry);
   initializePromoteLegacyPassPass(Registry);
+  initializeStripNonLineTableDebugInfoPass(Registry);
   initializeUnifyFunctionExitNodesPass(Registry);
   initializeInstSimplifierPass(Registry);
   initializeMetaRenamerPass(Registry);