Skip to content

[clang] Enable making CompilerInstance output backend thread-safe #10680

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 14, 2025
Merged

[clang] Enable making CompilerInstance output backend thread-safe #10680

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 7 additions & 2 deletions clang/lib/Frontend/CompilerInstance.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1418,10 +1418,15 @@ std::unique_ptr<CompilerInstance> CompilerInstance::cloneForModuleCompileImpl(
auto WrapGenModuleAction = getGenModuleActionWrapper();
Instance.setGenModuleActionWrapper(WrapGenModuleAction);

// Share an output manager.
assert(hasOutputBackend() &&
"Expected an output manager to already be set up");
Instance.setOutputBackend(&getOutputBackend());
if (ThreadSafeConfig) {
// Create a clone of the existing output (pointing to the same destination).
Instance.setOutputBackend(getOutputBackend().clone());
} else {
// Share the existing output manager.
Instance.setOutputBackend(&getOutputBackend());
}

if (ThreadSafeConfig) {
Instance.setModuleDepCollector(ThreadSafeConfig->getModuleDepCollector());
Expand Down