From e3b557809604d036af6e00c60f012c2025b59a5e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 11 Feb 2023 13:38:04 +0100
Subject: Vendor import of llvm-project main
 llvmorg-16-init-18548-gb0daacf58f41, the last commit before the upstream
 release/17.x branch was created.

---
 llvm/tools/llvm-dwarfutil/llvm-dwarfutil.cpp | 32 +++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 8 deletions(-)

(limited to 'llvm/tools/llvm-dwarfutil/llvm-dwarfutil.cpp')

diff --git a/llvm/tools/llvm-dwarfutil/llvm-dwarfutil.cpp b/llvm/tools/llvm-dwarfutil/llvm-dwarfutil.cpp
index a6466be37513..74b6104bc668 100644
--- a/llvm/tools/llvm-dwarfutil/llvm-dwarfutil.cpp
+++ b/llvm/tools/llvm-dwarfutil/llvm-dwarfutil.cpp
@@ -40,11 +40,14 @@ enum ID {
 #undef OPTION
 };
 
-#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
+#define PREFIX(NAME, VALUE)                                                    \
+  static constexpr StringLiteral NAME##_init[] = VALUE;                        \
+  static constexpr ArrayRef<StringLiteral> NAME(NAME##_init,                   \
+                                                std::size(NAME##_init) - 1);
 #include "Options.inc"
 #undef PREFIX
 
-const opt::OptTable::Info InfoTable[] = {
+static constexpr opt::OptTable::Info InfoTable[] = {
 #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,  \
                HELPTEXT, METAVAR, VALUES)                                      \
   {                                                                            \
@@ -56,9 +59,9 @@ const opt::OptTable::Info InfoTable[] = {
 #undef OPTION
 };
 
-class DwarfutilOptTable : public opt::OptTable {
+class DwarfutilOptTable : public opt::GenericOptTable {
 public:
-  DwarfutilOptTable() : OptTable(InfoTable) {}
+  DwarfutilOptTable() : opt::GenericOptTable(InfoTable) {}
 };
 } // namespace
 
@@ -120,6 +123,19 @@ static Error validateAndSetOptions(opt::InputArgList &Args, Options &Options) {
           formatv("unknown tombstone value: '{0}'", S).str().c_str());
   }
 
+  if (opt::Arg *BuildAccelerator = Args.getLastArg(OPT_build_accelerator)) {
+    StringRef S = BuildAccelerator->getValue();
+
+    if (S == "none")
+      Options.AccelTableKind = DwarfUtilAccelKind::None;
+    else if (S == "DWARF")
+      Options.AccelTableKind = DwarfUtilAccelKind::DWARF;
+    else
+      return createStringError(
+          std::errc::invalid_argument,
+          formatv("unknown build-accelerator value: '{0}'", S).str().c_str());
+  }
+
   if (Options.Verbose) {
     if (Options.NumThreads != 1 && Args.hasArg(OPT_threads))
       warning("--num-threads set to 1 because verbose mode is specified");
@@ -420,8 +436,9 @@ static Error saveCopyOfFile(const Options &Opts, ObjectFile &InputFile) {
 }
 
 static Error applyCLOptions(const struct Options &Opts, ObjectFile &InputFile) {
-  if (Opts.DoGarbageCollection) {
-    verbose("Do garbage collection for debug info ...", Opts.Verbose);
+  if (Opts.DoGarbageCollection ||
+      Opts.AccelTableKind != DwarfUtilAccelKind::None) {
+    verbose("Do debug info linking...", Opts.Verbose);
 
     DebugInfoBits LinkedDebugInfo;
     raw_svector_ostream OutStream(LinkedDebugInfo);
@@ -458,7 +475,7 @@ int main(int Argc, char const *Argv[]) {
   DwarfutilOptTable T;
   unsigned MAI;
   unsigned MAC;
-  ArrayRef<const char *> ArgsArr = makeArrayRef(Argv + 1, Argc - 1);
+  ArrayRef<const char *> ArgsArr = ArrayRef(Argv + 1, Argc - 1);
   opt::InputArgList Args = T.ParseArgs(ArgsArr, MAI, MAC);
 
   if (Args.hasArg(OPT_help) || Args.size() == 0) {
@@ -481,7 +498,6 @@ int main(int Argc, char const *Argv[]) {
   InitializeAllTargetMCs();
   InitializeAllTargetInfos();
   InitializeAllAsmPrinters();
-  InitializeAllAsmParsers();
 
   ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr =
       MemoryBuffer::getFileOrSTDIN(Opts.InputFileName);
-- 
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