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/*========================== begin_copyright_notice ============================
Copyright (C) 2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "Compiler/CodeGenPublic.h"
#include "common/LLVMWarningsPush.hpp"
#include "llvm/Config/llvm-config.h"
#include <llvm/Pass.h>
#include <llvmWrapper/Analysis/AliasAnalysis.h>
#include <llvm/Analysis/BasicAliasAnalysis.h>
#include <llvmWrapper/Analysis/TargetLibraryInfo.h>
#include "llvmWrapper/Analysis/AliasAnalysis.h"
#include "llvm/IR/Instruction.h"
#include "common/LLVMWarningsPop.hpp"
namespace IGC {
class RayTracingAddressSpaceAAResult : public IGCLLVM::AAResultBaseWrapper<RayTracingAddressSpaceAAResult> {
using BaseT = IGCLLVM::AAResultBaseWrapper<RayTracingAddressSpaceAAResult>;
friend BaseT;
const llvm::TargetLibraryInfo &TLI;
const CodeGenContext &CGC;
public:
explicit RayTracingAddressSpaceAAResult(const llvm::TargetLibraryInfo &TLI, const CodeGenContext &ctx)
: BaseT(), TLI(TLI), CGC(ctx), allStateful(checkStateful(ctx)) {}
RayTracingAddressSpaceAAResult(RayTracingAddressSpaceAAResult &&Arg)
: BaseT(std::move(Arg)), TLI(Arg.TLI), CGC(Arg.CGC), allStateful(checkStateful(Arg.CGC)) {}
RayTracingAddressSpaceAAResult(const RayTracingAddressSpaceAAResult &) = delete;
RayTracingAddressSpaceAAResult &operator=(const RayTracingAddressSpaceAAResult &) = delete;
RayTracingAddressSpaceAAResult &operator=(RayTracingAddressSpaceAAResult &&) = delete;
IGCLLVM::AliasResultEnum alias(const llvm::MemoryLocation &LocA, const llvm::MemoryLocation &LocB,
llvm::AAQueryInfo &AAQI,
#if LLVM_VERSION_MAJOR < 16
const llvm::Instruction *CtxI = nullptr
#else
const llvm::Instruction *CtxI
#endif
);
llvm::ModRefInfo getModRefInfo(const llvm::CallBase *Call, const llvm::MemoryLocation &Loc, llvm::AAQueryInfo &AAQI);
llvm::ModRefInfo getModRefInfo(const llvm::CallBase *Call1, const llvm::CallBase *Call2, llvm::AAQueryInfo &AAQI);
static bool isRTAS(unsigned AS, const CodeGenContext &Ctx);
private:
bool allStateful = false;
private:
bool noRTASAlias(unsigned AS1, unsigned AS2) const;
bool isRTAS(unsigned AS) const;
static bool checkStateful(const CodeGenContext &Ctx);
};
class RayTracingAddressSpaceAAWrapperPass : public llvm::ImmutablePass {
std::unique_ptr<RayTracingAddressSpaceAAResult> Result;
public:
static char ID;
RayTracingAddressSpaceAAWrapperPass();
void getAnalysisUsage(llvm::AnalysisUsage &AU) const override;
bool doInitialization(llvm::Module &M) override;
bool doFinalization(llvm::Module &M) override;
RayTracingAddressSpaceAAResult &getResult();
const RayTracingAddressSpaceAAResult &getResult() const;
};
llvm::ImmutablePass *createRayTracingAddressSpaceAAWrapperPass();
void addRayTracingAddressSpaceAAResult(llvm::Pass &, llvm::Function &, llvm::AAResults &);
} // namespace IGC
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