================
@@ -458,6 +400,44 @@ phases::ID Driver::getFinalPhase(const DerivedArgList &DAL,
return FinalPhase;
}
+llvm::Expected<std::unique_ptr<llvm::MemoryBuffer>>
+Driver::executeProgram(llvm::ArrayRef<llvm::StringRef> Args) const {
+ llvm::SmallString<64> OutputFile;
+ llvm::sys::fs::createTemporaryFile("driver-program", "txt", OutputFile,
+ llvm::sys::fs::OF_Text);
+ llvm::FileRemover OutputRemover(OutputFile.c_str());
+ std::optional<llvm::StringRef> Redirects[] = {
+ {""},
+ OutputFile.str(),
+ {""},
+ };
+
+ std::string ErrorMessage;
+ int SecondsToWait = 60;
+ if (std::optional<std::string> Str =
+ llvm::sys::Process::GetEnv("CLANG_TOOLCHAIN_PROGRAM_TIMEOUT")) {
+ if (!llvm::to_integer(*Str, SecondsToWait))
+ return llvm::createStringError(std::error_code(),
+ "CLANG_TOOLCHAIN_PROGRAM_TIMEOUT expected
"
+ "an integer, got '" +
+ *Str + "'");
+ SecondsToWait = std::max(SecondsToWait, 0); // infinite
+ }
+ StringRef Executable = Args[0];
+ if (llvm::sys::ExecuteAndWait(Executable, Args, {}, Redirects, SecondsToWait,
+ /*MemoryLimit=*/0, &ErrorMessage))
+ return llvm::createStringError(std::error_code(),
+ Executable + ": " + ErrorMessage);
+
+ llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> OutputBuf =
+ llvm::MemoryBuffer::getFile(OutputFile.c_str());
+ if (!OutputBuf)
+ return llvm::createStringError(OutputBuf.getError(),
+ "Failed to read stdout of " + Executable +
----------------
jhuber6 wrote:
These were already here, could we move changing them into a follow-up?
https://github.com/llvm/llvm-project/pull/125556
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