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//===-- llvm/Support/LowLevelType.cpp -------------------------------------===//
//
// 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 This file implements the more header-heavy bits of the LLT class to
/// avoid polluting users' namespaces.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/LowLevelTypeImpl.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
LLT::LLT(MVT VT) {
if (VT.isVector()) {
init(/*IsPointer=*/false, VT.getVectorNumElements() > 1,
VT.getVectorNumElements(), VT.getVectorElementType().getSizeInBits(),
/*AddressSpace=*/0);
} else if (VT.isValid()) {
// Aggregates are no different from real scalars as far as GlobalISel is
// concerned.
assert(VT.getSizeInBits() != 0 && "invalid zero-sized type");
init(/*IsPointer=*/false, /*IsVector=*/false, /*NumElements=*/0,
VT.getSizeInBits(), /*AddressSpace=*/0);
} else {
IsPointer = false;
IsVector = false;
RawData = 0;
}
}
void LLT::print(raw_ostream &OS) const {
if (isVector())
OS << "<" << getNumElements() << " x " << getElementType() << ">";
else if (isPointer())
OS << "p" << getAddressSpace();
else if (isValid()) {
assert(isScalar() && "unexpected type");
OS << "s" << getScalarSizeInBits();
} else
OS << "LLT_invalid";
}
const constexpr LLT::BitFieldInfo LLT::ScalarSizeFieldInfo;
const constexpr LLT::BitFieldInfo LLT::PointerSizeFieldInfo;
const constexpr LLT::BitFieldInfo LLT::PointerAddressSpaceFieldInfo;
const constexpr LLT::BitFieldInfo LLT::VectorElementsFieldInfo;
const constexpr LLT::BitFieldInfo LLT::VectorSizeFieldInfo;
const constexpr LLT::BitFieldInfo LLT::PointerVectorElementsFieldInfo;
const constexpr LLT::BitFieldInfo LLT::PointerVectorSizeFieldInfo;
const constexpr LLT::BitFieldInfo LLT::PointerVectorAddressSpaceFieldInfo;
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