LLVM  10.0.0svn
Types.h
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1 //===- llvm/CodeGen/GlobalISel/Types.h - Types used by GISel ----*- 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 /// \file
10 /// This file describes high level types that are used by several passes or
11 /// APIs involved in the GlobalISel pipeline.
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CODEGEN_GLOBALISEL_TYPES_H
15 #define LLVM_CODEGEN_GLOBALISEL_TYPES_H
16 
17 #include "llvm/ADT/DenseMap.h"
18 
19 namespace llvm {
20 
21 class Value;
22 
23 /// Map a value to a virtual register.
24 /// For now, we chose to map aggregate types to on single virtual
25 /// register. This might be revisited if it turns out to be inefficient.
26 /// PR26161 tracks that.
27 /// Note: We need to expose this type to the target hooks for thing like
28 /// ABI lowering that would be used during IRTranslation.
30 
31 } // end namespace llvm
32 
33 #endif // LLVM_CODEGEN_GLOBALISEL_TYPES_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23