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/*
* Copyright (C) 2019-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/utilities/arrayref.h"
#include "shared/source/utilities/const_stringref.h"
#include <algorithm>
#include <cstdint>
namespace NEO {
static constexpr ConstStringRef llvmBcMagic = "BC\xc0\xde";
static constexpr ConstStringRef spirvMagic = "\x07\x23\x02\x03";
static constexpr ConstStringRef spirvMagicInv = "\x03\x02\x23\x07";
inline bool hasSameMagic(ConstStringRef expectedMagic, ArrayRef<const uint8_t> binary) {
auto binaryMagicLen = std::min(expectedMagic.size(), binary.size());
ConstStringRef binaryMagic(reinterpret_cast<const char *>(binary.begin()), binaryMagicLen);
return expectedMagic == binaryMagic;
}
inline bool isLlvmBitcode(ArrayRef<const uint8_t> binary) {
return hasSameMagic(llvmBcMagic, binary);
}
inline bool isSpirVBitcode(ArrayRef<const uint8_t> binary) {
return hasSameMagic(spirvMagic, binary) || hasSameMagic(spirvMagicInv, binary);
}
} // namespace NEO
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