//===- LLVMSPIRVOpts.cpp - Defines LLVM/SPIR-V options ----------*- C++ -*-===//
//
//                     The LLVM/SPIR-V Translator
//
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// License. See LICENSE.TXT for details.
//
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//===----------------------------------------------------------------------===//
/// \file
///
/// This file provides definitions for LLVM/SPIR-V Translator's CLI
/// functionality.
///
//===----------------------------------------------------------------------===//

#include "LLVMSPIRVOpts.h"

#include <llvm/ADT/SmallVector.h>
#include <llvm/ADT/StringRef.h>
#include <llvm/IR/IntrinsicInst.h>

using namespace llvm;
using namespace SPIRV;

bool TranslatorOpts::isUnknownIntrinsicAllowed(IntrinsicInst *II) const
    noexcept {
  if (!SPIRVAllowUnknownIntrinsics.has_value())
    return false;
  const auto &IntrinsicPrefixList = SPIRVAllowUnknownIntrinsics.value();
  StringRef IntrinsicName = II->getCalledOperand()->getName();
  for (const auto &Prefix : IntrinsicPrefixList) {
    if (IntrinsicName.startswith(Prefix)) // Also true if `Prefix` is empty
      return true;
  }
  return false;
}

bool TranslatorOpts::isSPIRVAllowUnknownIntrinsicsEnabled() const noexcept {
  return SPIRVAllowUnknownIntrinsics.has_value();
}

void TranslatorOpts::setSPIRVAllowUnknownIntrinsics(
    TranslatorOpts::ArgList IntrinsicPrefixList) noexcept {
  SPIRVAllowUnknownIntrinsics = IntrinsicPrefixList;
}
