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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 IGC {
class ResolveOCLRaytracingBuiltins : public llvm::ModulePass, public llvm::InstVisitor<ResolveOCLRaytracingBuiltins> {
public:
// Pass identification, replacement for typeid
static char ID;
ResolveOCLRaytracingBuiltins();
~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 handleGetImplicitDG(llvm::CallInst& callInst);
void handleInitRayQuery(llvm::CallInst& callInst);
void handleUpdateRayQuery(llvm::CallInst& callInst);
void handleQuery(llvm::CallInst& callInst);
private:
CodeGenContext* m_pCtx;
std::vector<llvm::CallInst*> m_callsToReplace;
IGCLLVM::IRBuilder<>* m_builder;
llvm::Instruction* loadFromOffset(llvm::Value* basePtr, const size_t offset, const size_t typeSizeInBytes, llvm::StringRef valName);
void handleGetBTDStack(llvm::CallInst& callInst, const bool isGlobal);
void defineOpaqueTypes();
llvm::CallInst* CreateLSCFence(
llvm::IRBuilder<>* IRB,
LSC_SFID SFID,
LSC_SCOPE Scope,
LSC_FENCE_OP FenceOp);
#define RT_DISPATCH_GETTER_DECL(FieldName) \
llvm::Instruction* FieldName##Getter(llvm::Value* rtDispatchGlobalsValue);
RT_DISPATCH_GETTER_DECL(rtMemBasePtr)
RT_DISPATCH_GETTER_DECL(maxBVHLevels)
RT_DISPATCH_GETTER_DECL(stackSizePerRay)
RT_DISPATCH_GETTER_DECL(numDSSRTStacks)
#undef RT_DISPATCH_GETTER_DECL
llvm::Value* getIntrinsicValue(llvm::GenISAIntrinsic::ID intrinsicId, llvm::ArrayRef<llvm::Value*> args = llvm::None);
};
}
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