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//===- AArch64GlobalISelUtils.h ----------------------------------*- C++ -*-==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
/// \file APIs for AArch64-specific helper functions used in the GlobalISel
/// pipeline.
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AARCH64_GISEL_AARCH64GLOBALISELUTILS_H
#define LLVM_LIB_TARGET_AARCH64_GISEL_AARCH64GLOBALISELUTILS_H
#include <cstdint>
namespace llvm {
namespace AArch64GISelUtils {
/// \returns true if \p C is a legal immediate operand for an arithmetic
/// instruction.
constexpr bool isLegalArithImmed(const uint64_t C) {
return (C >> 12 == 0) || ((C & 0xFFFULL) == 0 && C >> 24 == 0);
}
} // namespace AArch64GISelUtils
} // namespace llvm
#endif
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