================
@@ -233,6 +234,20 @@ bool ExecuteCompilerInvocation(CompilerInstance *Clang) {
Clang->LoadRequestedPlugins();
+ // Load and store pass plugins for the back-end. Store the loaded pass
plugins
+ // here and store references to these in CodeGenOpts to avoid pulling in the
+ // entire PassPlugin dependency chain in CodeGenOpts.
+ std::vector<std::unique_ptr<llvm::PassPlugin>> PassPlugins;
+ for (const std::string &Path : Clang->getCodeGenOpts().PassPluginNames) {
----------------
aengelke wrote:
It seems the motivation was to add pass callbacks without loading a plugin
shared library and without recompiling Clang. This PR also almost achieves
this, the only missing part is the ability to create a PassPlugin without
loading a DSO (this could be easily added). (So instead of adding to
PassBuilderCallbacks, a user would create a new DSO-less PassPlugin and push
that to the PassPlugins list introduced here.)
https://github.com/llvm/llvm-project/pull/171868
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