1 files changed, 0 insertions, 118 deletions
diff --git a/llvm/lib/Transforms/Utils/UniqueInternalLinkageNames.cpp b/llvm/lib/Transforms/Utils/UniqueInternalLinkageNames.cpp
deleted file mode 100644
index c57cec6be676..000000000000
--- a/llvm/lib/Transforms/Utils/UniqueInternalLinkageNames.cpp
+++ /dev/null
@@ -1,118 +0,0 @@
-//===- UniqueInternalLinkageNames.cpp - Unique Internal Linkage Sym Names -===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements unique naming of internal linkage symbols with option
-// -funique-internal-linkage-symbols.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/Utils/UniqueInternalLinkageNames.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/IR/DebugInfoMetadata.h"
-#include "llvm/IR/MDBuilder.h"
-#include "llvm/IR/Module.h"
-#include "llvm/InitializePasses.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/MD5.h"
-#include "llvm/Transforms/Utils/ModuleUtils.h"
-
-using namespace llvm;
-
-static bool uniqueifyInternalLinkageNames(Module &M) {
-  llvm::MD5 Md5;
-  Md5.update(M.getSourceFileName());
-  llvm::MD5::MD5Result R;
-  Md5.final(R);
-  SmallString<32> Str;
-  llvm::MD5::stringifyResult(R, Str);
-  // Convert MD5hash to Decimal. Demangler suffixes can either contain numbers
-  // or characters but not both.
-  APInt IntHash = APInt(128, Str.str(), 16);
-  // Prepend "__uniq" before the hash for tools like profilers to understand that
-  // this symbol is of internal linkage type.
-  std::string ModuleNameHash = (Twine(".__uniq.") + Twine(IntHash.toString(10, false))).str();
-  bool Changed = false;
-  MDBuilder MDB(M.getContext());
-
-  // Append the module hash to all internal linkage functions.
-  for (auto &F : M) {
-    if (F.hasInternalLinkage()) {
-      F.setName(F.getName() + ModuleNameHash);
-      F.addFnAttr("sample-profile-suffix-elision-policy", "selected");
-      // Replace linkage names in the debug metadata.
-      if (DISubprogram *SP = F.getSubprogram()) {
-        if (SP->getRawLinkageName()) {
-          auto *Name = MDB.createString(F.getName());
-          SP->replaceRawLinkageName(Name);
-          if (DISubprogram *SPDecl = SP->getDeclaration()) {
-            if (SPDecl->getRawLinkageName())
-              SPDecl->replaceRawLinkageName(Name);
-          }
-        }
-      }
-      Changed = true;
-    }
-  }
-
-  // Append the module hash to all internal linkage globals.
-  for (auto &GV : M.globals()) {
-    if (GV.hasInternalLinkage()) {
-      GV.setName(GV.getName() + ModuleNameHash);
-      Changed = true;
-    }
-  }
-  return Changed;
-}
-
-namespace {
-
-// Legacy pass that provides a name to every anon globals.
-class UniqueInternalLinkageNamesLegacyPass : public ModulePass {
-
-public:
-  /// Pass identification, replacement for typeid
-  static char ID;
-
-  /// Specify pass name for debug output
-  StringRef getPassName() const override {
-    return "Unique Internal Linkage Names";
-  }
-
-  explicit UniqueInternalLinkageNamesLegacyPass() : ModulePass(ID) {
-    initializeUniqueInternalLinkageNamesLegacyPassPass(
-        *PassRegistry::getPassRegistry());
-  }
-
-  bool runOnModule(Module &M) override {
-    return uniqueifyInternalLinkageNames(M);
-  }
-};
-
-char UniqueInternalLinkageNamesLegacyPass::ID = 0;
-} // anonymous namespace
-
-PreservedAnalyses
-UniqueInternalLinkageNamesPass::run(Module &M, ModuleAnalysisManager &AM) {
-  if (!uniqueifyInternalLinkageNames(M))
-    return PreservedAnalyses::all();
-
-  return PreservedAnalyses::none();
-}
-
-INITIALIZE_PASS_BEGIN(UniqueInternalLinkageNamesLegacyPass,
-                      "unique-internal-linkage-names",
-                      "Uniqueify internal linkage names", false, false)
-INITIALIZE_PASS_END(UniqueInternalLinkageNamesLegacyPass,
-                    "unique-internal-linkage-names",
-                    "Uniqueify Internal linkage names", false, false)
-
-namespace llvm {
-ModulePass *createUniqueInternalLinkageNamesPass() {
-  return new UniqueInternalLinkageNamesLegacyPass();
-}
-} // namespace llvm