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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "AdaptorCommon/ImplicitArgs.hpp"
#include "Compiler/MetaDataUtilsWrapper.h"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/InstVisitor.h>
#include "common/LLVMWarningsPop.hpp"
namespace IGC
{
/// @brief ExtensionFuncsResolution pass used for resolving VME functions.
/// This pass depends on the ExtensionFuncsAnalysis and AddImplicitArgs passes running before it
class ExtensionFuncsResolution : public llvm::FunctionPass, public llvm::InstVisitor<ExtensionFuncsResolution>
{
public:
// Pass identification, replacement for typeid
static char ID;
/// @brief Constructor
ExtensionFuncsResolution();
/// @brief Destructor
~ExtensionFuncsResolution() {}
/// @brief Provides name of pass
virtual llvm::StringRef getPassName() const override
{
return "ExtensionFuncsResolution";
}
void getAnalysisUsage(llvm::AnalysisUsage& AU) const override
{
AU.setPreservesCFG();
AU.addRequired<MetaDataUtilsWrapper>();
AU.addRequired<CodeGenContextWrapper>();
}
/// @brief Main entry point.
/// Finds all VME function calls and resolve them into an llvm sequence
/// @param F The destination function.
virtual bool runOnFunction(llvm::Function& F) override;
/// @brief Call instructions visitor.
/// Checks for VME functions and resolves them into appropriate sequence of code
/// @param CI The call instruction.
void visitCallInst(llvm::CallInst& CI);
private:
/// @brief The implicit arguments of the current function
ImplicitArgs m_implicitArgs;
/// @brief Indicates if the pass changed the processed function
bool m_changed = false;
};
} // namespace IGC
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