llvm-project

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//===-- llvm/CodeGenTypes/LowLevelType.cpp
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//---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file This file implements the more header-heavy bits of the LLT class to
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/// avoid polluting users' namespaces.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGenTypes/LowLevelType.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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LLT::LLT(MVT VT) {
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  if (VT.isVector()) {
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    bool asVector = VT.getVectorMinNumElements() > 1 || VT.isScalableVector();
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    init(/*IsPointer=*/false, asVector, /*IsScalar=*/!asVector,
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         VT.getVectorElementCount(), VT.getVectorElementType().getSizeInBits(),
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         /*AddressSpace=*/0);
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  } else if (VT.isValid() && !VT.isScalableTargetExtVT()) {
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    // Aggregates are no different from real scalars as far as GlobalISel is
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    // concerned.
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    init(/*IsPointer=*/false, /*IsVector=*/false, /*IsScalar=*/true,
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         ElementCount::getFixed(0), VT.getSizeInBits(), /*AddressSpace=*/0);
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  } else {
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    IsScalar = false;
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    IsPointer = false;
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    IsVector = false;
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    RawData = 0;
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  }
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}
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void LLT::print(raw_ostream &OS) const {
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  if (isVector()) {
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    OS << "<";
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    OS << getElementCount() << " x " << getElementType() << ">";
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  } else if (isPointer())
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    OS << "p" << getAddressSpace();
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  else if (isValid()) {
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    assert(isScalar() && "unexpected type");
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    OS << "s" << getScalarSizeInBits();
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  } else
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    OS << "LLT_invalid";
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}
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#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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LLVM_DUMP_METHOD void LLT::dump() const {
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  print(dbgs());
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  dbgs() << '\n';
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}
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#endif
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const constexpr LLT::BitFieldInfo LLT::ScalarSizeFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::PointerSizeFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::PointerAddressSpaceFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::VectorElementsFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::VectorScalableFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::VectorSizeFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::PointerVectorElementsFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::PointerVectorScalableFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::PointerVectorSizeFieldInfo;
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const constexpr LLT::BitFieldInfo LLT::PointerVectorAddressSpaceFieldInfo;
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