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/*========================== begin_copyright_notice ============================
Copyright (C) 2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Analysis/LoopInfo.h>
#include "common/LLVMWarningsPop.hpp"
#include <Compiler/CISACodeGen/RegisterPressureEstimate.hpp>
#include <Compiler/CodeGenContextWrapper.hpp>
#include <Compiler/CodeGenPublic.h>
namespace IGC {
class RegPressureLoopControl : public llvm::FunctionPass {
public:
static char ID;
const static int MaxRegPressureLoopHdr;
RegPressureLoopControl();
virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<CodeGenContextWrapper>();
AU.addRequired<RegisterPressureEstimate>();
AU.addRequired<llvm::LoopInfoWrapperPass>();
}
bool runOnFunction(llvm::Function &F) override;
llvm::StringRef getPassName() const override {
return "IGC Register pressure loop control";
}
private:
RegisterPressureEstimate *m_pRegisterPressureEstimate = nullptr;
};
} // namespace IGC
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