Remove the directory condition in path per discussion in #90166

Author: kyulee-com

clang/include/clang/Driver/Options.td

@@ -1896,13 +1896,13 @@ def fprofile_selected_function_group :
   MarshallingInfoInt<CodeGenOpts<"ProfileSelectedFunctionGroup">>;
 def fcodegen_data_generate_EQ : Joined<["-"], "fcodegen-data-generate=">,
     Group<f_Group>, Visibility<[ClangOption, CLOption]>, MetaVarName<"<path>">,
-    HelpText<"Emit codegen data into the object file. LLD for MachO (currently) merges them into a <path> file. If the path is a directory, it writes to <path>/default.cgdata.">;
+    HelpText<"Emit codegen data into the object file. LLD for MachO (currently) merges them into the specified <path>.">;
 def fcodegen_data_generate : Flag<["-"], "fcodegen-data-generate">,
     Group<f_Group>, Visibility<[ClangOption, CLOption]>, Alias<fcodegen_data_generate_EQ>,
     HelpText<"Emit codegen data into the object file. LLD for MachO (currently) merges them into default.cgdata.">;
 def fcodegen_data_use_EQ : Joined<["-"], "fcodegen-data-use=">,
     Group<f_Group>, Visibility<[ClangOption, CLOption]>, MetaVarName<"<path>">,
-    HelpText<"Use codegen data read from a <path> file. If the path is a directory, it reads from <path>/default.cgdata.">;
+    HelpText<"Use codegen data read from the specified <path>.">;
 def fcodegen_data_use : Flag<["-"], "fcodegen-data-use">,
     Group<f_Group>, Visibility<[ClangOption, CLOption]>, Alias<fcodegen_data_use_EQ>,
     HelpText<"Use codegen data read from default.cgdata to optimize the binary">;

clang/lib/Driver/ToolChains/CommonArgs.cpp

@@ -2776,7 +2776,7 @@ void tools::addMachineOutlinerArgs(const Driver &D,
     SmallString<128> Path(CodeGenDataUseArg->getNumValues() == 0
                               ? ""
                               : CodeGenDataUseArg->getValue());
-    if (Path.empty() || llvm::sys::fs::is_directory(Path))
+    if (Path.empty())
       llvm::sys::path::append(Path, "default.cgdata");
     addArg(Twine("-codegen-data-use-path=" + Path.str()));
   }

clang/lib/Driver/ToolChains/Darwin.cpp

@@ -484,7 +484,7 @@ void darwin::Linker::AddLinkArgs(Compilation &C, const ArgList &Args,
       SmallString<128> Path(CodeGenDataGenArg->getNumValues() == 0
                                 ? ""
                                 : CodeGenDataGenArg->getValue());
-      if (Path.empty() || llvm::sys::fs::is_directory(Path))
+      if (Path.empty())
         llvm::sys::path::append(Path, "default.cgdata");
       CmdArgs.push_back(
           Args.MakeArgString(Twine("--codegen-data-generate-path=") + Path));
@@ -672,7 +672,7 @@ void darwin::Linker::ConstructJob(Compilation &C, const JobAction &JA,
     SmallString<128> Path(CodeGenDataUseArg->getNumValues() == 0
                               ? ""
                               : CodeGenDataUseArg->getValue());
-    if (Path.empty() || llvm::sys::fs::is_directory(Path))
+    if (Path.empty())
       llvm::sys::path::append(Path, "default.cgdata");
     CmdArgs.push_back("-mllvm");
     CmdArgs.push_back(

clang/test/Driver/codegen-data.c

@@ -11,13 +11,9 @@
 // Verify the codegen-data-use-path flag (with a default value) is passed to LLVM.
 // RUN: %clang -### -S --target=aarch64-linux-gnu -fcodegen-data-use %s 2>&1| FileCheck %s --check-prefix=USE
 // RUN: %clang -### -S --target=arm64-apple-darwin -fcodegen-data-use %s 2>&1| FileCheck %s --check-prefix=USE
-// RUN: mkdir -p %t.d/some/dir
-// RUN: %clang -### -S --target=aarch64-linux-gnu -fcodegen-data-use=%t.d/some/dir %s 2>&1 | FileCheck %s --check-prefix=USE-DIR
-// RUN: %clang -### -S --target=arm64-apple-darwin -fcodegen-data-use=%t.d/some/dir %s 2>&1 | FileCheck %s --check-prefix=USE-DIR
 // RUN: %clang -### -S --target=aarch64-linux-gnu -fcodegen-data-use=file %s 2>&1 | FileCheck %s --check-prefix=USE-FILE
 // RUN: %clang -### -S --target=arm64-apple-darwin -fcodegen-data-use=file %s 2>&1 | FileCheck %s --check-prefix=USE-FILE
 // USE: "-mllvm" "-codegen-data-use-path=default.cgdata"
-// USE-DIR: "-mllvm" "-codegen-data-use-path={{.*}}.d/some/dir{{/|\\\\}}default.cgdata"
 // USE-FILE: "-mllvm" "-codegen-data-use-path=file"
 
 // Verify the codegen-data-generate (boolean) flag with a LTO.