[CodeView] Flatten cmd args in frontend for LF_BUILDINFO (#106369)

1 files changed, 5 insertions, 38 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 7700ffd..f184f32 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -893,37 +893,6 @@ static TypeIndex getStringIdTypeIdx(GlobalTypeTableBuilder &TypeTable,
   return TypeTable.writeLeafType(SIR);
 }
 
-static std::string flattenCommandLine(ArrayRef<std::string> Args,
-                                      StringRef MainFilename) {
-  std::string FlatCmdLine;
-  raw_string_ostream OS(FlatCmdLine);
-  bool PrintedOneArg = false;
-  if (!StringRef(Args[0]).contains("-cc1")) {
-    llvm::sys::printArg(OS, "-cc1", /*Quote=*/true);
-    PrintedOneArg = true;
-  }
-  for (unsigned i = 0; i < Args.size(); i++) {
-    StringRef Arg = Args[i];
-    if (Arg.empty())
-      continue;
-    if (Arg == "-main-file-name" || Arg == "-o") {
-      i++; // Skip this argument and next one.
-      continue;
-    }
-    if (Arg.starts_with("-object-file-name") || Arg == MainFilename)
-      continue;
-    // Skip fmessage-length for reproduciability.
-    if (Arg.starts_with("-fmessage-length"))
-      continue;
-    if (PrintedOneArg)
-      OS << " ";
-    llvm::sys::printArg(OS, Arg, /*Quote=*/true);
-    PrintedOneArg = true;
-  }
-  OS.flush();
-  return FlatCmdLine;
-}
-
 void CodeViewDebug::emitBuildInfo() {
   // First, make LF_BUILDINFO. It's a sequence of strings with various bits of
   // build info. The known prefix is:
@@ -947,13 +916,11 @@ void CodeViewDebug::emitBuildInfo() {
   // FIXME: PDB is intentionally blank unless we implement /Zi type servers.
   BuildInfoArgs[BuildInfoRecord::TypeServerPDB] =
       getStringIdTypeIdx(TypeTable, "");
-  if (Asm->TM.Options.MCOptions.Argv0 != nullptr) {
-    BuildInfoArgs[BuildInfoRecord::BuildTool] =
-        getStringIdTypeIdx(TypeTable, Asm->TM.Options.MCOptions.Argv0);
-    BuildInfoArgs[BuildInfoRecord::CommandLine] = getStringIdTypeIdx(
-        TypeTable, flattenCommandLine(Asm->TM.Options.MCOptions.CommandLineArgs,
-                                      MainSourceFile->getFilename()));
-  }
+  BuildInfoArgs[BuildInfoRecord::BuildTool] =
+      getStringIdTypeIdx(TypeTable, Asm->TM.Options.MCOptions.Argv0);
+  BuildInfoArgs[BuildInfoRecord::CommandLine] = getStringIdTypeIdx(
+      TypeTable, Asm->TM.Options.MCOptions.CommandlineArgs);
+
   BuildInfoRecord BIR(BuildInfoArgs);
   TypeIndex BuildInfoIndex = TypeTable.writeLeafType(BIR);