xref: /llvm-project/llvm/lib/CodeGenTypes/LowLevelType.cpp (revision 2fe296965930932be9b7b155bf8c10a0f81c58cf)
1*184ca395SNico Weber //===-- llvm/CodeGenTypes/LowLevelType.cpp
2*184ca395SNico Weber //---------------------------------===//
3*184ca395SNico Weber //
4*184ca395SNico Weber // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5*184ca395SNico Weber // See https://llvm.org/LICENSE.txt for license information.
6*184ca395SNico Weber // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7*184ca395SNico Weber //
8*184ca395SNico Weber //===----------------------------------------------------------------------===//
9*184ca395SNico Weber //
10*184ca395SNico Weber /// \file This file implements the more header-heavy bits of the LLT class to
11*184ca395SNico Weber /// avoid polluting users' namespaces.
12*184ca395SNico Weber //
13*184ca395SNico Weber //===----------------------------------------------------------------------===//
14*184ca395SNico Weber 
15*184ca395SNico Weber #include "llvm/CodeGenTypes/LowLevelType.h"
16*184ca395SNico Weber #include "llvm/Support/raw_ostream.h"
17*184ca395SNico Weber using namespace llvm;
18*184ca395SNico Weber 
19*184ca395SNico Weber LLT::LLT(MVT VT) {
20*184ca395SNico Weber   if (VT.isVector()) {
21*184ca395SNico Weber     bool asVector = VT.getVectorMinNumElements() > 1 || VT.isScalableVector();
22*184ca395SNico Weber     init(/*IsPointer=*/false, asVector, /*IsScalar=*/!asVector,
23*184ca395SNico Weber          VT.getVectorElementCount(), VT.getVectorElementType().getSizeInBits(),
24*184ca395SNico Weber          /*AddressSpace=*/0);
25*184ca395SNico Weber   } else if (VT.isValid() && !VT.isScalableTargetExtVT()) {
26*184ca395SNico Weber     // Aggregates are no different from real scalars as far as GlobalISel is
27*184ca395SNico Weber     // concerned.
28*184ca395SNico Weber     init(/*IsPointer=*/false, /*IsVector=*/false, /*IsScalar=*/true,
29*184ca395SNico Weber          ElementCount::getFixed(0), VT.getSizeInBits(), /*AddressSpace=*/0);
30*184ca395SNico Weber   } else {
31*184ca395SNico Weber     IsScalar = false;
32*184ca395SNico Weber     IsPointer = false;
33*184ca395SNico Weber     IsVector = false;
34*184ca395SNico Weber     RawData = 0;
35*184ca395SNico Weber   }
36*184ca395SNico Weber }
37*184ca395SNico Weber 
38*184ca395SNico Weber void LLT::print(raw_ostream &OS) const {
39*184ca395SNico Weber   if (isVector()) {
40*184ca395SNico Weber     OS << "<";
41*184ca395SNico Weber     OS << getElementCount() << " x " << getElementType() << ">";
42*184ca395SNico Weber   } else if (isPointer())
43*184ca395SNico Weber     OS << "p" << getAddressSpace();
44*184ca395SNico Weber   else if (isValid()) {
45*184ca395SNico Weber     assert(isScalar() && "unexpected type");
46*184ca395SNico Weber     OS << "s" << getScalarSizeInBits();
47*184ca395SNico Weber   } else
48*184ca395SNico Weber     OS << "LLT_invalid";
49*184ca395SNico Weber }
50*184ca395SNico Weber 
51*184ca395SNico Weber #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
52*184ca395SNico Weber LLVM_DUMP_METHOD void LLT::dump() const {
53*184ca395SNico Weber   print(dbgs());
54*184ca395SNico Weber   dbgs() << '\n';
55*184ca395SNico Weber }
56*184ca395SNico Weber #endif
57*184ca395SNico Weber 
58*184ca395SNico Weber const constexpr LLT::BitFieldInfo LLT::ScalarSizeFieldInfo;
59*184ca395SNico Weber const constexpr LLT::BitFieldInfo LLT::PointerSizeFieldInfo;
60*184ca395SNico Weber const constexpr LLT::BitFieldInfo LLT::PointerAddressSpaceFieldInfo;
61*184ca395SNico Weber const constexpr LLT::BitFieldInfo LLT::VectorElementsFieldInfo;
62*184ca395SNico Weber const constexpr LLT::BitFieldInfo LLT::VectorScalableFieldInfo;
63