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"
17 using namespace llvm;
18
LLT(MVT VT)19 LLT::LLT(MVT VT) {
20 if (VT.isVector()) {
21 bool asVector = VT.getVectorMinNumElements() > 1 || VT.isScalableVector();
22 init(/*IsPointer=*/false, asVector, /*IsScalar=*/!asVector,
23 VT.getVectorElementCount(), 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 ElementCount::getFixed(0), VT.getSizeInBits(), /*AddressSpace=*/0);
30 } else {
31 IsScalar = false;
32 IsPointer = false;
33 IsVector = false;
34 RawData = 0;
35 }
36 }
37
print(raw_ostream & OS) const38 void 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)
dump() const52 LLVM_DUMP_METHOD void LLT::dump() const {
53 print(dbgs());
54 dbgs() << '\n';
55 }
56 #endif
57
58 const constexpr LLT::BitFieldInfo LLT::ScalarSizeFieldInfo;
59 const constexpr LLT::BitFieldInfo LLT::PointerSizeFieldInfo;
60 const constexpr LLT::BitFieldInfo LLT::PointerAddressSpaceFieldInfo;
61 const constexpr LLT::BitFieldInfo LLT::VectorElementsFieldInfo;
62 const constexpr LLT::BitFieldInfo LLT::VectorScalableFieldInfo;
63 const constexpr LLT::BitFieldInfo LLT::VectorSizeFieldInfo;
64 const constexpr LLT::BitFieldInfo LLT::PointerVectorElementsFieldInfo;
65 const constexpr LLT::BitFieldInfo LLT::PointerVectorScalableFieldInfo;
66 const constexpr LLT::BitFieldInfo LLT::PointerVectorSizeFieldInfo;
67 const constexpr LLT::BitFieldInfo LLT::PointerVectorAddressSpaceFieldInfo;
68