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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "Compiler/MetaDataUtilsWrapper.h"
#include "Compiler/CodeGenContextWrapper.hpp"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/DataLayout.h>
#include <llvm/IR/Function.h>
#include <llvm/IR/InstVisitor.h>
#include <llvm/IR/IRBuilder.h>
#include "llvm/ADT/SmallVector.h"
#include "common/LLVMWarningsPop.hpp"
#include "GenISAIntrinsics/GenIntrinsicInst.h"
#include "Compiler/CISACodeGen/helper.h"
#include "common/IGCIRBuilder.h"
namespace IGC {
class CodeGenContext;
}
namespace IGC {
class LowPrecisionOpt : public llvm::FunctionPass, public llvm::InstVisitor<LowPrecisionOpt> {
private:
llvm::IGCIRBuilder<> *m_builder = nullptr;
bool m_changed{};
llvm::Function *m_func_llvm_GenISA_DCL_inputVec_f16;
llvm::Function *m_func_llvm_GenISA_DCL_inputVec_f32;
llvm::Function *m_currFunction;
llvm::Function *func_llvm_floor_f32;
ShaderType shdrType{};
typedef struct _moveBundle {
uint index;
llvm::GenIntrinsicInst *cInst;
llvm::FPTruncInst *fpTrunc;
} moveBundle;
struct _cmpOperator {
bool operator()(const moveBundle &obj1, const moveBundle &obj2) { return obj1.index > obj2.index; };
} cmpOperator;
llvm::SmallVector<moveBundle, 11> bundles;
bool m_changeSample = false;
bool m_simplifyAlu = false;
public:
static char ID;
LowPrecisionOpt();
~LowPrecisionOpt() {}
virtual bool runOnFunction(llvm::Function &F) override;
virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<MetaDataUtilsWrapper>();
AU.addRequired<CodeGenContextWrapper>();
}
virtual llvm::StringRef getPassName() const override { return "LowPrecisionOpt Pass"; }
void visitFPExtInst(llvm::FPExtInst &I);
void visitFPTruncInst(llvm::FPTruncInst &I);
void visitIntrinsicInst(llvm::IntrinsicInst &I);
void visitCallInst(llvm::CallInst &I);
bool propagateSamplerType(llvm::GenIntrinsicInst &I);
};
} // namespace IGC
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