1//===-- llvm/CodeGenTypes/LowLevelType.cpp
2//---------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9//
10/// \file This file implements the more header-heavy bits of the LLT class to
11/// avoid polluting users' namespaces.
12//
13//===----------------------------------------------------------------------===//
14
15#include "llvm/CodeGenTypes/LowLevelType.h"
16#include "llvm/Support/raw_ostream.h"
17using namespace llvm;
18
19LLT::LLT(MVT VT) {
20 if (VT.isVector()) {
21 bool asVector = VT.getVectorMinNumElements() > 1 || VT.isScalableVector();
22 init(/*IsPointer=*/false, IsVector: asVector, /*IsScalar=*/!asVector,
23 EC: VT.getVectorElementCount(), SizeInBits: VT.getVectorElementType().getSizeInBits(),
24 /*AddressSpace=*/0);
25 } else if (VT.isValid() && !VT.isScalableTargetExtVT()) {
26 // Aggregates are no different from real scalars as far as GlobalISel is
27 // concerned.
28 init(/*IsPointer=*/false, /*IsVector=*/false, /*IsScalar=*/true,
29 EC: ElementCount::getFixed(MinVal: 0), SizeInBits: VT.getSizeInBits(), /*AddressSpace=*/0);
30 } else {
31 IsScalar = false;
32 IsPointer = false;
33 IsVector = false;
34 RawData = 0;
35 }
36}
37
38void LLT::print(raw_ostream &OS) const {
39 if (isVector()) {
40 OS << "<";
41 OS << getElementCount() << " x " << getElementType() << ">";
42 } else if (isPointer())
43 OS << "p" << getAddressSpace();
44 else if (isValid()) {
45 assert(isScalar() && "unexpected type");
46 OS << "s" << getScalarSizeInBits();
47 } else
48 OS << "LLT_invalid";
49}
50
51#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
52LLVM_DUMP_METHOD void LLT::dump() const {
53 print(dbgs());
54 dbgs() << '\n';
55}
56#endif
57
58const constexpr LLT::BitFieldInfo LLT::ScalarSizeFieldInfo;
59const constexpr LLT::BitFieldInfo LLT::PointerSizeFieldInfo;
60const constexpr LLT::BitFieldInfo LLT::PointerAddressSpaceFieldInfo;
61const constexpr LLT::BitFieldInfo LLT::VectorElementsFieldInfo;
62const constexpr LLT::BitFieldInfo LLT::VectorScalableFieldInfo;
63