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/*========================== begin_copyright_notice ============================
Copyright (C) 2023 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "Compiler/MetaDataUtilsWrapper.h"
#include "Compiler/CodeGenContextWrapper.hpp"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include "common/LLVMWarningsPop.hpp"
namespace IGC {
/// @brief This inserts calls to stack overflow detection builtins.
///
class StackOverflowDetectionPass : public llvm::ModulePass {
public:
enum class Mode {
Initialize,
AnalyzeAndCleanup,
RemoveDummyCalls,
};
/// @brief Pass identification.
static char ID;
static constexpr const char *STACK_OVERFLOW_INIT_BUILTIN_NAME = "__stackoverflow_init";
static constexpr const char *STACK_OVERFLOW_DETECTION_BUILTIN_NAME = "__stackoverflow_detection";
Mode mode = Mode::Initialize;
StackOverflowDetectionPass();
StackOverflowDetectionPass(Mode mode_);
virtual llvm::StringRef getPassName() const override { return "StackOverflowDetectionPass"; }
virtual bool runOnModule(llvm::Module &M) override;
virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
AU.addRequired<CodeGenContextWrapper>();
AU.addRequired<MetaDataUtilsWrapper>();
}
bool removeDummyCalls(llvm::Module &M);
bool removeCallsAndFunctionsIfNoStackCallsOrVLA(llvm::Module &M, IGCMD::MetaDataUtils *pMdUtils,
ModuleMetaData *pModMD);
};
} // namespace IGC
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