55 lines
2.2 KiB
C++
55 lines
2.2 KiB
C++
/* @file IrPipeline.cpp */
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#include "IrPipeline.hpp"
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namespace xo {
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namespace jit {
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IrPipeline::IrPipeline(ref::rp<LlvmContext> llvm_cx)
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{
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using std::make_unique;
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this->llvm_cx_ = std::move(llvm_cx);
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this->llvm_fpmgr_ = make_unique<llvm::FunctionPassManager>();
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this->llvm_lamgr_ = std::make_unique<llvm::LoopAnalysisManager>();
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this->llvm_famgr_ = std::make_unique<llvm::FunctionAnalysisManager>();
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this->llvm_cgamgr_ = std::make_unique<llvm::CGSCCAnalysisManager>();
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this->llvm_mamgr_ = std::make_unique<llvm::ModuleAnalysisManager>();
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this->llvm_pic_ = std::make_unique<llvm::PassInstrumentationCallbacks>();
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/* reference kept alive by @ref llvm_cx_ */
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this->llvm_si_ = std::make_unique<llvm::StandardInstrumentations>(llvm_cx_->llvm_cx_ref(),
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/*DebugLogging*/ true);
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this->llvm_si_->registerCallbacks(*llvm_pic_, llvm_mamgr_.get());
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/** transform passes **/
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this->llvm_fpmgr_->addPass(llvm::InstCombinePass());
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/* NOTE: llvm 19 adds mem2reg transform here.
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* speculating that PromotePass() does same/goodenough thing in llvm 18.
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* This pays off, works first try!
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*/
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this->llvm_fpmgr_->addPass(llvm::PromotePass());
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this->llvm_fpmgr_->addPass(llvm::ReassociatePass());
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this->llvm_fpmgr_->addPass(llvm::GVNPass());
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this->llvm_fpmgr_->addPass(llvm::SimplifyCFGPass());
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/** tracking for analysis passes that share info? **/
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llvm::PassBuilder llvm_pass_builder;
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llvm_pass_builder.registerModuleAnalyses(*llvm_mamgr_);
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llvm_pass_builder.registerFunctionAnalyses(*llvm_famgr_);
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llvm_pass_builder.crossRegisterProxies(*llvm_lamgr_, *llvm_famgr_, *llvm_cgamgr_, *llvm_mamgr_);
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} /*ctor*/
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void
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IrPipeline::run_pipeline(llvm::Function & fn)
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{
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llvm_fpmgr_->run(fn, *llvm_famgr_);
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} /*run_pipeline*/
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} /*namespace jit*/
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} /*namespace xo*/
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/* end IrPipeline.cpp */
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