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/*========================== begin_copyright_notice ============================
Copyright (C) 2019-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "IGC/common/StringMacros.hpp"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/InstVisitor.h>
#include "common/LLVMWarningsPop.hpp"
#include "Compiler/CodeGenContextWrapper.hpp"
#include "Compiler/CodeGenPublic.h"
#include "GenISAIntrinsics/GenIntrinsics.h"
#include "visa/include/visa_igc_common_header.h"
namespace llvm {
class RTBuilder;
}
namespace IGC {
class ResolveOCLRaytracingBuiltins : public llvm::ModulePass, public llvm::InstVisitor<ResolveOCLRaytracingBuiltins> {
public:
// Pass identification, replacement for typeid
static char ID;
ResolveOCLRaytracingBuiltins();
virtual llvm::StringRef getPassName() const override { return "ResolveOCLRaytracingBuiltins"; }
void getAnalysisUsage(llvm::AnalysisUsage &AU) const override { AU.addRequired<CodeGenContextWrapper>(); }
virtual bool runOnModule(llvm::Module &M) override;
void visitCallInst(llvm::CallInst &callInst);
void handleGetRtStack(llvm::CallInst &callInst);
void handleGetThreadBTDStack(llvm::CallInst &callInst);
void handleGetGlobalBTDStack(llvm::CallInst &callInst);
void handleDispatchTraceRayQuery(llvm::CallInst &callInst);
void handleRTSync(llvm::CallInst &callInst);
void handleGetRTGlobalBuffer(llvm::CallInst &callInst);
void handleInitRayQuery(llvm::CallInst &callInst);
void handleUpdateRayQuery(llvm::CallInst &callInst);
void handleQuery(llvm::CallInst &callInst);
private:
CodeGenContext *m_pCtx = nullptr;
std::vector<llvm::CallInst *> m_callsToReplace;
llvm::RTBuilder *m_builder = nullptr;
void handleGetBTDStack(llvm::CallInst &callInst, const bool isGlobal);
void defineOpaqueTypes();
llvm::Value *getIntrinsicValue(llvm::GenISAIntrinsic::ID intrinsicId,
llvm::ArrayRef<llvm::Value *> args = llvm::ArrayRef<llvm::Value *>());
};
} // namespace IGC
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