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/*========================== begin_copyright_notice ============================
Copyright (C) 2019-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "Compiler/CodeGenContextWrapper.hpp"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/InstVisitor.h>
#include <llvm/IR/Constants.h>
#include <llvm/IR/Function.h>
#include <llvm/IR/Instructions.h>
#include <llvm/IR/InstrTypes.h>
#include <llvm/IR/Dominators.h>
#include "common/LLVMWarningsPop.hpp"
namespace IGC
{
class DynamicTextureFolding : public llvm::FunctionPass, public llvm::InstVisitor<DynamicTextureFolding>
{
public:
static char ID;
DynamicTextureFolding();
~DynamicTextureFolding() {}
virtual llvm::StringRef getPassName() const override
{
return "Dynamic Texture Folding";
}
virtual void getAnalysisUsage(llvm::AnalysisUsage& AU) const override
{
AU.addRequired<CodeGenContextWrapper>();
}
enum GFXSURFACESTATE_SURFACETYPE
{
GFXSURFACESTATE_SURFACETYPE_1D = 0x0,
GFXSURFACESTATE_SURFACETYPE_2D,
GFXSURFACESTATE_SURFACETYPE_3D,
GFXSURFACESTATE_SURFACETYPE_CUBE,
GFXSURFACESTATE_SURFACETYPE_BUFFER,
GFXSURFACESTATE_SURFACETYPE_STRBUF,
GFXSURFACESTATE_SURFACETYPE_SCRATCH,
GFXSURFACESTATE_SURFACETYPE_NULL
};
virtual bool runOnFunction(llvm::Function& F) override;
bool doFinalization(llvm::Module&) override;
void visitCallInst(llvm::CallInst& I);
private:
CodeGenContext* m_context = nullptr;
llvm::Module* m_module = nullptr;
std::unordered_map<unsigned, SResInfoFoldingOutput> m_ResInfoFoldingOutput;
void FoldSingleTextureValue(llvm::CallInst& I);
template<typename ContextT>
void copyResInfoData(ContextT* pShaderCtx);
void FoldResInfoValue(llvm::GenIntrinsicInst* pCall);
llvm::Value* ShiftByLOD(llvm::Instruction* pCall, unsigned int dimension, llvm::Value* val);
llvm::SmallVector<llvm::Instruction*,4> InstsToRemove;
};
}
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