1//== llvm/CodeGen/LowLevelType.h ------------------------------- -*- C++ -*-==//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9/// Implement a low-level type suitable for MachineInstr level instruction
10/// selection.
11///
12/// This provides the CodeGen aspects of LowLevelType, such as Type conversion.
13//
14//===----------------------------------------------------------------------===//
15
16#ifndef LLVM_CODEGEN_LOWLEVELTYPE_H
17#define LLVM_CODEGEN_LOWLEVELTYPE_H
18
19#include "llvm/Support/LowLevelTypeImpl.h"
20#include "llvm/Support/MachineValueType.h"
21
22namespace llvm {
23
24class DataLayout;
25class Type;
26
27/// Construct a low-level type based on an LLVM type.
28LLT getLLTForType(Type &Ty, const DataLayout &DL);
29
30/// Get a rough equivalent of an MVT for a given LLT. MVT can't distinguish
31/// pointers, so these will convert to a plain integer.
32MVT getMVTForLLT(LLT Ty);
33
34/// Get a rough equivalent of an LLT for a given MVT. LLT does not yet support
35/// scalarable vector types, and will assert if used.
36LLT getLLTForMVT(MVT Ty);
37
38}
39
40#endif // LLVM_CODEGEN_LOWLEVELTYPE_H
41