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/*========================== begin_copyright_notice ============================
Copyright (C) 2019-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/InstVisitor.h>
#include "common/LLVMWarningsPop.hpp"
namespace IGC
{
// This pass replaces all occurences of frem instructions with proper builtin calls
// This is needed, because new SPIRV-LLVM translator outputs frem instructions
// which are not fully handled by IGC.
class HandleFRemInstructions : public llvm::ModulePass, public llvm::InstVisitor<HandleFRemInstructions>
{
public:
static char ID;
HandleFRemInstructions();
/// @brief Provides name of pass
virtual llvm::StringRef getPassName() const override
{
return "HandleFremInstructions";
}
/// @brief Main entry point.
/// Find all frem instructions and replace them with proper builtin calls
/// @param M The destination module.
bool runOnModule(llvm::Module& M) override;
void visitFRem(llvm::BinaryOperator& I);
private:
llvm::Module* m_module = nullptr;
bool m_changed = false;
};
}
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