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/*========================== begin_copyright_notice ============================
Copyright (C) 2020-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/ADT/StringRef.h>
#include "common/LLVMWarningsPop.hpp"
namespace IGC
{
llvm::FunctionPass* createLoopCountAnalysisPass();
class CollectLoopCount : public llvm::ImmutablePass
{
public:
CollectLoopCount();
virtual llvm::StringRef getPassName() const override
{
return "collectLoopCount";
}
struct ArgSym {
int argNo;
int byteOffset;
int sizeInBytes;
bool isInDirect;
ArgSym(int num, int offset, int bytes, bool direct) :argNo(num), byteOffset(offset), sizeInBytes(bytes), isInDirect(direct) {}
bool operator==(const ArgSym& argsym) const {
return argNo == argsym.argNo && byteOffset == argsym.byteOffset && sizeInBytes == argsym.sizeInBytes && isInDirect == argsym.isInDirect;
}
};
struct LCE {
float factor;
int argIndex;
float C;
LCE(float loopFactor, int argInd, float constant) : factor(loopFactor), argIndex(argInd), C(constant) {}
};
static char ID;
void addLCE(int argNo, int byteOffset, int sizeInBytes, bool isInDirect, float factor, float C);
std::vector<LCE>& getLCE();
std::vector<ArgSym>& getloopArgs();
private:
std::vector<ArgSym> loopArgs;
std::vector<LCE> loopCountExpressions;
};
}
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