| //===- llvm/CodeGen/GlobalISel/Types.h - Types used by GISel ----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// This file describes high level types that are used by several passes or |
| /// APIs involved in the GlobalISel pipeline. |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CODEGEN_GLOBALISEL_TYPES_H |
| #define LLVM_CODEGEN_GLOBALISEL_TYPES_H |
| |
| #include "llvm/ADT/DenseMap.h" |
| |
| namespace llvm { |
| |
| class Value; |
| |
| /// Map a value to a virtual register. |
| /// For now, we chose to map aggregate types to on single virtual |
| /// register. This might be revisited if it turns out to be inefficient. |
| /// PR26161 tracks that. |
| /// Note: We need to expose this type to the target hooks for thing like |
| /// ABI lowering that would be used during IRTranslation. |
| using ValueToVReg = DenseMap<const Value *, unsigned>; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_CODEGEN_GLOBALISEL_TYPES_H |
