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/*========================== begin_copyright_notice ============================
Copyright (C) 2025 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
//===----------------------------------------------------------------------===//
///
/// \file
/// This file contains declaration of PrepareInlineSamplerForBindless llvm pass.
/// This pass searches for __bindless_sampler_initializer(int32) calls, maps
/// them to inline sampler implicit args that will be added in AddImplicitArgs
/// pass and creates metadata for the inline samplers.
///
//===----------------------------------------------------------------------===//
#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 {
class PrepareInlineSamplerForBindless : public llvm::FunctionPass,
public llvm::InstVisitor<PrepareInlineSamplerForBindless> {
public:
static char ID;
PrepareInlineSamplerForBindless();
~PrepareInlineSamplerForBindless() override = default;
llvm::StringRef getPassName() const override { return "PrepareInlineSamplerForBindless"; }
void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<MetaDataUtilsWrapper>();
AU.addRequired<CodeGenContextWrapper>();
}
void visitCallInst(llvm::CallInst &CI);
bool runOnFunction(llvm::Function &F) override;
private:
IGC::IGCMD::MetaDataUtils *mMDUtils = nullptr;
ImplicitArg::ArgMap mArgMap{};
int mInlineSamplerIndex = 0;
bool mChanged = false;
};
} // namespace IGC
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