1 files changed, 0 insertions, 371 deletions

diff --git a/contrib/llvm/tools/llvm-extract/llvm-extract.cpp b/contrib/llvm/tools/llvm-extract/llvm-extract.cpp
deleted file mode 100644
index 300bc0b4bd52..000000000000
--- a/contrib/llvm/tools/llvm-extract/llvm-extract.cpp
+++ /dev/null
@@ -1,371 +0,0 @@
-//===- llvm-extract.cpp - LLVM function extraction utility ----------------===//
-//
-// 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 utility changes the input module to only contain a single function,
-// which is primarily used for debugging transformations.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/SetVector.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/Bitcode/BitcodeWriterPass.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/IRPrintingPasses.h"
-#include "llvm/IR/Instructions.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/LegacyPassManager.h"
-#include "llvm/IR/Module.h"
-#include "llvm/IRReader/IRReader.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/InitLLVM.h"
-#include "llvm/Support/Regex.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/SystemUtils.h"
-#include "llvm/Support/ToolOutputFile.h"
-#include "llvm/Transforms/IPO.h"
-#include <memory>
-using namespace llvm;
-
-cl::OptionCategory ExtractCat("llvm-extract Options");
-
-// InputFilename - The filename to read from.
-static cl::opt<std::string> InputFilename(cl::Positional,
-                                          cl::desc("<input bitcode file>"),
-                                          cl::init("-"),
-                                          cl::value_desc("filename"));
-
-static cl::opt<std::string> OutputFilename("o",
-                                           cl::desc("Specify output filename"),
-                                           cl::value_desc("filename"),
-                                           cl::init("-"), cl::cat(ExtractCat));
-
-static cl::opt<bool> Force("f", cl::desc("Enable binary output on terminals"),
-                           cl::cat(ExtractCat));
-
-static cl::opt<bool> DeleteFn("delete",
-                              cl::desc("Delete specified Globals from Module"),
-                              cl::cat(ExtractCat));
-
-static cl::opt<bool>
-    Recursive("recursive", cl::desc("Recursively extract all called functions"),
-              cl::cat(ExtractCat));
-
-// ExtractFuncs - The functions to extract from the module.
-static cl::list<std::string>
-    ExtractFuncs("func", cl::desc("Specify function to extract"),
-                 cl::ZeroOrMore, cl::value_desc("function"),
-                 cl::cat(ExtractCat));
-
-// ExtractRegExpFuncs - The functions, matched via regular expression, to
-// extract from the module.
-static cl::list<std::string>
-    ExtractRegExpFuncs("rfunc",
-                       cl::desc("Specify function(s) to extract using a "
-                                "regular expression"),
-                       cl::ZeroOrMore, cl::value_desc("rfunction"),
-                       cl::cat(ExtractCat));
-
-// ExtractBlocks - The blocks to extract from the module.
-static cl::list<std::string> ExtractBlocks(
-    "bb", cl::desc("Specify <function, basic block> pairs to extract"),
-    cl::ZeroOrMore, cl::value_desc("function:bb"), cl::cat(ExtractCat));
-
-// ExtractAlias - The alias to extract from the module.
-static cl::list<std::string>
-    ExtractAliases("alias", cl::desc("Specify alias to extract"),
-                   cl::ZeroOrMore, cl::value_desc("alias"),
-                   cl::cat(ExtractCat));
-
-// ExtractRegExpAliases - The aliases, matched via regular expression, to
-// extract from the module.
-static cl::list<std::string>
-    ExtractRegExpAliases("ralias",
-                         cl::desc("Specify alias(es) to extract using a "
-                                  "regular expression"),
-                         cl::ZeroOrMore, cl::value_desc("ralias"),
-                         cl::cat(ExtractCat));
-
-// ExtractGlobals - The globals to extract from the module.
-static cl::list<std::string>
-    ExtractGlobals("glob", cl::desc("Specify global to extract"),
-                   cl::ZeroOrMore, cl::value_desc("global"),
-                   cl::cat(ExtractCat));
-
-// ExtractRegExpGlobals - The globals, matched via regular expression, to
-// extract from the module...
-static cl::list<std::string>
-    ExtractRegExpGlobals("rglob",
-                         cl::desc("Specify global(s) to extract using a "
-                                  "regular expression"),
-                         cl::ZeroOrMore, cl::value_desc("rglobal"),
-                         cl::cat(ExtractCat));
-
-static cl::opt<bool> OutputAssembly("S",
-                                    cl::desc("Write output as LLVM assembly"),
-                                    cl::Hidden, cl::cat(ExtractCat));
-
-static cl::opt<bool> PreserveBitcodeUseListOrder(
-    "preserve-bc-uselistorder",
-    cl::desc("Preserve use-list order when writing LLVM bitcode."),
-    cl::init(true), cl::Hidden, cl::cat(ExtractCat));
-
-static cl::opt<bool> PreserveAssemblyUseListOrder(
-    "preserve-ll-uselistorder",
-    cl::desc("Preserve use-list order when writing LLVM assembly."),
-    cl::init(false), cl::Hidden, cl::cat(ExtractCat));
-
-int main(int argc, char **argv) {
-  InitLLVM X(argc, argv);
-
-  LLVMContext Context;
-  cl::HideUnrelatedOptions(ExtractCat);
-  cl::ParseCommandLineOptions(argc, argv, "llvm extractor\n");
-
-  // Use lazy loading, since we only care about selected global values.
-  SMDiagnostic Err;
-  std::unique_ptr<Module> M = getLazyIRFileModule(InputFilename, Err, Context);
-
-  if (!M.get()) {
-    Err.print(argv[0], errs());
-    return 1;
-  }
-
-  // Use SetVector to avoid duplicates.
-  SetVector<GlobalValue *> GVs;
-
-  // Figure out which aliases we should extract.
-  for (size_t i = 0, e = ExtractAliases.size(); i != e; ++i) {
-    GlobalAlias *GA = M->getNamedAlias(ExtractAliases[i]);
-    if (!GA) {
-      errs() << argv[0] << ": program doesn't contain alias named '"
-             << ExtractAliases[i] << "'!\n";
-      return 1;
-    }
-    GVs.insert(GA);
-  }
-
-  // Extract aliases via regular expression matching.
-  for (size_t i = 0, e = ExtractRegExpAliases.size(); i != e; ++i) {
-    std::string Error;
-    Regex RegEx(ExtractRegExpAliases[i]);
-    if (!RegEx.isValid(Error)) {
-      errs() << argv[0] << ": '" << ExtractRegExpAliases[i] << "' "
-        "invalid regex: " << Error;
-    }
-    bool match = false;
-    for (Module::alias_iterator GA = M->alias_begin(), E = M->alias_end();
-         GA != E; GA++) {
-      if (RegEx.match(GA->getName())) {
-        GVs.insert(&*GA);
-        match = true;
-      }
-    }
-    if (!match) {
-      errs() << argv[0] << ": program doesn't contain global named '"
-             << ExtractRegExpAliases[i] << "'!\n";
-      return 1;
-    }
-  }
-
-  // Figure out which globals we should extract.
-  for (size_t i = 0, e = ExtractGlobals.size(); i != e; ++i) {
-    GlobalValue *GV = M->getNamedGlobal(ExtractGlobals[i]);
-    if (!GV) {
-      errs() << argv[0] << ": program doesn't contain global named '"
-             << ExtractGlobals[i] << "'!\n";
-      return 1;
-    }
-    GVs.insert(GV);
-  }
-
-  // Extract globals via regular expression matching.
-  for (size_t i = 0, e = ExtractRegExpGlobals.size(); i != e; ++i) {
-    std::string Error;
-    Regex RegEx(ExtractRegExpGlobals[i]);
-    if (!RegEx.isValid(Error)) {
-      errs() << argv[0] << ": '" << ExtractRegExpGlobals[i] << "' "
-        "invalid regex: " << Error;
-    }
-    bool match = false;
-    for (auto &GV : M->globals()) {
-      if (RegEx.match(GV.getName())) {
-        GVs.insert(&GV);
-        match = true;
-      }
-    }
-    if (!match) {
-      errs() << argv[0] << ": program doesn't contain global named '"
-             << ExtractRegExpGlobals[i] << "'!\n";
-      return 1;
-    }
-  }
-
-  // Figure out which functions we should extract.
-  for (size_t i = 0, e = ExtractFuncs.size(); i != e; ++i) {
-    GlobalValue *GV = M->getFunction(ExtractFuncs[i]);
-    if (!GV) {
-      errs() << argv[0] << ": program doesn't contain function named '"
-             << ExtractFuncs[i] << "'!\n";
-      return 1;
-    }
-    GVs.insert(GV);
-  }
-  // Extract functions via regular expression matching.
-  for (size_t i = 0, e = ExtractRegExpFuncs.size(); i != e; ++i) {
-    std::string Error;
-    StringRef RegExStr = ExtractRegExpFuncs[i];
-    Regex RegEx(RegExStr);
-    if (!RegEx.isValid(Error)) {
-      errs() << argv[0] << ": '" << ExtractRegExpFuncs[i] << "' "
-        "invalid regex: " << Error;
-    }
-    bool match = false;
-    for (Module::iterator F = M->begin(), E = M->end(); F != E;
-         F++) {
-      if (RegEx.match(F->getName())) {
-        GVs.insert(&*F);
-        match = true;
-      }
-    }
-    if (!match) {
-      errs() << argv[0] << ": program doesn't contain global named '"
-             << ExtractRegExpFuncs[i] << "'!\n";
-      return 1;
-    }
-  }
-
-  // Figure out which BasicBlocks we should extract.
-  SmallVector<SmallVector<BasicBlock *, 16>, 4> GroupOfBBs;
-  for (StringRef StrPair : ExtractBlocks) {
-    auto BBInfo = StrPair.split(':');
-    // Get the function.
-    Function *F = M->getFunction(BBInfo.first);
-    if (!F) {
-      errs() << argv[0] << ": program doesn't contain a function named '"
-             << BBInfo.first << "'!\n";
-      return 1;
-    }
-    // Do not materialize this function.
-    GVs.insert(F);
-    // Get the basic blocks.
-    SmallVector<BasicBlock *, 16> BBs;
-    SmallVector<StringRef, 16> BBNames;
-    BBInfo.second.split(BBNames, ';', /*MaxSplit=*/-1,
-                        /*KeepEmpty=*/false);
-    for (StringRef BBName : BBNames) {
-      auto Res = llvm::find_if(*F, [&](const BasicBlock &BB) {
-        return BB.getName().equals(BBName);
-      });
-      if (Res == F->end()) {
-        errs() << argv[0] << ": function " << F->getName()
-               << " doesn't contain a basic block named '" << BBInfo.second
-               << "'!\n";
-        return 1;
-      }
-      BBs.push_back(&*Res);
-    }
-    GroupOfBBs.push_back(BBs);
-  }
-
-  // Use *argv instead of argv[0] to work around a wrong GCC warning.
-  ExitOnError ExitOnErr(std::string(*argv) + ": error reading input: ");
-
-  if (Recursive) {
-    std::vector<llvm::Function *> Workqueue;
-    for (GlobalValue *GV : GVs) {
-      if (auto *F = dyn_cast<Function>(GV)) {
-        Workqueue.push_back(F);
-      }
-    }
-    while (!Workqueue.empty()) {
-      Function *F = &*Workqueue.back();
-      Workqueue.pop_back();
-      ExitOnErr(F->materialize());
-      for (auto &BB : *F) {
-        for (auto &I : BB) {
-          CallBase *CB = dyn_cast<CallBase>(&I);
-          if (!CB)
-            continue;
-          Function *CF = CB->getCalledFunction();
-          if (!CF)
-            continue;
-          if (CF->isDeclaration() || GVs.count(CF))
-            continue;
-          GVs.insert(CF);
-          Workqueue.push_back(CF);
-        }
-      }
-    }
-  }
-
-  auto Materialize = [&](GlobalValue &GV) { ExitOnErr(GV.materialize()); };
-
-  // Materialize requisite global values.
-  if (!DeleteFn) {
-    for (size_t i = 0, e = GVs.size(); i != e; ++i)
-      Materialize(*GVs[i]);
-  } else {
-    // Deleting. Materialize every GV that's *not* in GVs.
-    SmallPtrSet<GlobalValue *, 8> GVSet(GVs.begin(), GVs.end());
-    for (auto &F : *M) {
-      if (!GVSet.count(&F))
-        Materialize(F);
-    }
-  }
-
-  {
-    std::vector<GlobalValue *> Gvs(GVs.begin(), GVs.end());
-    legacy::PassManager Extract;
-    Extract.add(createGVExtractionPass(Gvs, DeleteFn));
-    Extract.run(*M);
-
-    // Now that we have all the GVs we want, mark the module as fully
-    // materialized.
-    // FIXME: should the GVExtractionPass handle this?
-    ExitOnErr(M->materializeAll());
-  }
-
-  // Extract the specified basic blocks from the module and erase the existing
-  // functions.
-  if (!ExtractBlocks.empty()) {
-    legacy::PassManager PM;
-    PM.add(createBlockExtractorPass(GroupOfBBs, true));
-    PM.run(*M);
-  }
-
-  // In addition to deleting all other functions, we also want to spiff it
-  // up a little bit.  Do this now.
-  legacy::PassManager Passes;
-
-  if (!DeleteFn)
-    Passes.add(createGlobalDCEPass());           // Delete unreachable globals
-  Passes.add(createStripDeadDebugInfoPass());    // Remove dead debug info
-  Passes.add(createStripDeadPrototypesPass());   // Remove dead func decls
-
-  std::error_code EC;
-  ToolOutputFile Out(OutputFilename, EC, sys::fs::F_None);
-  if (EC) {
-    errs() << EC.message() << '\n';
-    return 1;
-  }
-
-  if (OutputAssembly)
-    Passes.add(
-        createPrintModulePass(Out.os(), "", PreserveAssemblyUseListOrder));
-  else if (Force || !CheckBitcodeOutputToConsole(Out.os(), true))
-    Passes.add(createBitcodeWriterPass(Out.os(), PreserveBitcodeUseListOrder));
-
-  Passes.run(*M.get());
-
-  // Declare success.
-  Out.keep();
-
-  return 0;
-}