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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 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
{
// A pass that walks over call instructions and replaces all __builtin_IB_work_group
// with corresponding GenISA intrinsics.
//
class WGFuncResolution : public llvm::ModulePass, public llvm::InstVisitor<WGFuncResolution>
{
public:
// Pass identification, replacement for typeid
static char ID;
/// @brief Constructor
WGFuncResolution();
/// @brief Destructor
~WGFuncResolution() {}
/// @brief Provides name of pass
virtual llvm::StringRef getPassName() const override
{
return "WGFuncResolution";
}
virtual void getAnalysisUsage(llvm::AnalysisUsage& AU) const override
{
AU.setPreservesCFG();
}
// Entry point of the pass.
virtual bool runOnModule(llvm::Module& M) override;
// Call instructions visitor.
void visitCallInst(llvm::CallInst& callInst);
private:
llvm::Module* m_pModule;
/// @brief Indicates if the pass changed the processed function
bool m_changed;
};
} // namespace IGC
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