1 //===------ Primitives.h - Types for the constexpr VM -----------*- 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 // Utilities and helper functions for all primitive types:
10 //  - Integral
11 //  - Floating
12 //  - Boolean
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_CLANG_AST_INTERP_PRIMITIVES_H
17 #define LLVM_CLANG_AST_INTERP_PRIMITIVES_H
18 
19 #include "clang/AST/ComparisonCategories.h"
20 
21 namespace clang {
22 namespace interp {
23 
24 /// Helper to compare two comparable types.
Compare(const T & X,const T & Y)25 template <typename T> ComparisonCategoryResult Compare(const T &X, const T &Y) {
26   if (X < Y)
27     return ComparisonCategoryResult::Less;
28   if (X > Y)
29     return ComparisonCategoryResult::Greater;
30   return ComparisonCategoryResult::Equal;
31 }
32 
33 } // namespace interp
34 } // namespace clang
35 
36 #endif
37