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Use the existing llvm-plugins option for both legacy and new pm registration

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This commit is contained in:
Axel Cohen
2021-11-24 11:43:40 +01:00
parent 97cf461b8f
commit c4f29fa0ed
7 changed files with 24 additions and 23 deletions
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20
compiler/rustc_codegen_llvm/src/llvm_util.rs
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@@ -119,14 +119,20 @@ unsafe fn configure_llvm(sess: &Session) {
llvm::LLVMInitializePasses();
// Register LLVM plugins by loading them into the compiler process.
for plugin in &sess.opts.debugging_opts.llvm_plugins {
let lib = Library::new(plugin).unwrap_or_else(|e| bug!("couldn't load plugin: {}", e));
debug!("LLVM plugin loaded successfully {:?} ({})", lib, plugin);
let use_new_llvm_pm_plugin_register =
sess.opts.debugging_opts.new_llvm_pass_manager.unwrap_or(false);
// Intentionally leak the dynamic library. We can't ever unload it
// since the library can make things that will live arbitrarily long.
mem::forget(lib);
// Use the legacy pm registration if the new_llvm_pass_manager option isn't explicitly enabled
if use_new_llvm_pm_plugin_register {
// Register LLVM plugins by loading them into the compiler process.
for plugin in &sess.opts.debugging_opts.llvm_plugins {
let lib = Library::new(plugin).unwrap_or_else(|e| bug!("couldn't load plugin: {}", e));
debug!("LLVM plugin loaded successfully {:?} ({})", lib, plugin);
// Intentionally leak the dynamic library. We can't ever unload it
// since the library can make things that will live arbitrarily long.
mem::forget(lib);
}
}
rustc_llvm::initialize_available_targets();