mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
377c03fa7e
Allow dynamic loading of LLVM passes via `load-pass-plugin` option passed to the Swift compiler driver.
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
//===---------------------- TestPlugin.cpp --------------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2023 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Used by -load-pass-plugin
|
|
|
|
#include "llvm/Pass.h"
|
|
#include "llvm/Passes/PassBuilder.h"
|
|
#include "llvm/Passes/PassPlugin.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
void runTestPlugin(Function &F) {
|
|
errs() << "TestPlugin: ";
|
|
errs().write_escaped(F.getName()) << '\n';
|
|
}
|
|
|
|
struct TestPluginPass : PassInfoMixin<TestPluginPass> {
|
|
PreservedAnalyses run(Function &F, FunctionAnalysisManager &) {
|
|
runTestPlugin(F);
|
|
return PreservedAnalyses::all();
|
|
}
|
|
};
|
|
|
|
} // namespace
|
|
|
|
PassPluginLibraryInfo getTestPluginInfo() {
|
|
return {LLVM_PLUGIN_API_VERSION, "TestPlugin", LLVM_VERSION_STRING,
|
|
[](PassBuilder &PB) {
|
|
PB.registerVectorizerStartEPCallback(
|
|
[](llvm::FunctionPassManager &PM, OptimizationLevel Level) {
|
|
PM.addPass(TestPluginPass());
|
|
});
|
|
}};
|
|
}
|
|
|
|
extern "C" LLVM_ATTRIBUTE_WEAK ::llvm::PassPluginLibraryInfo
|
|
llvmGetPassPluginInfo() {
|
|
return getTestPluginInfo();
|
|
}
|