1 //===- llvm/TextAPI/Target.h - TAPI Target ----------------------*- 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 #ifndef LLVM_TEXTAPI_TARGET_H
10 #define LLVM_TEXTAPI_TARGET_H
11 
12 #include "llvm/Support/Error.h"
13 #include "llvm/Support/VersionTuple.h"
14 #include "llvm/TargetParser/Triple.h"
15 #include "llvm/TextAPI/Architecture.h"
16 #include "llvm/TextAPI/ArchitectureSet.h"
17 #include "llvm/TextAPI/Platform.h"
18 
19 namespace llvm {
20 
21 class Triple;
22 
23 namespace MachO {
24 
25 // This is similar to a llvm Triple, but the triple doesn't have all the
26 // information we need. For example there is no enum value for x86_64h. The
27 // only way to get that information is to parse the triple string.
28 class Target {
29 public:
30   Target() = default;
31   Target(Architecture Arch, PlatformType Platform,
32          VersionTuple MinDeployment = {})
Arch(Arch)33       : Arch(Arch), Platform(Platform), MinDeployment(MinDeployment) {}
Target(const llvm::Triple & Triple)34   explicit Target(const llvm::Triple &Triple)
35       : Arch(mapToArchitecture(Triple)), Platform(mapToPlatformType(Triple)),
36         MinDeployment(mapToSupportedOSVersion(Triple)) {}
37 
38   static llvm::Expected<Target> create(StringRef Target);
39 
40   operator std::string() const;
41 
42   Architecture Arch;
43   PlatformType Platform;
44   VersionTuple MinDeployment;
45 };
46 
47 inline bool operator==(const Target &LHS, const Target &RHS) {
48   // In most cases the deployment version is not useful to compare.
49   return std::tie(LHS.Arch, LHS.Platform) == std::tie(RHS.Arch, RHS.Platform);
50 }
51 
52 inline bool operator!=(const Target &LHS, const Target &RHS) {
53   return !(LHS == RHS);
54 }
55 
56 inline bool operator<(const Target &LHS, const Target &RHS) {
57   // In most cases the deployment version is not useful to compare.
58   return std::tie(LHS.Arch, LHS.Platform) < std::tie(RHS.Arch, RHS.Platform);
59 }
60 
61 inline bool operator==(const Target &LHS, const Architecture &RHS) {
62   return LHS.Arch == RHS;
63 }
64 
65 inline bool operator!=(const Target &LHS, const Architecture &RHS) {
66   return LHS.Arch != RHS;
67 }
68 
69 PlatformVersionSet mapToPlatformVersionSet(ArrayRef<Target> Targets);
70 PlatformSet mapToPlatformSet(ArrayRef<Target> Targets);
71 ArchitectureSet mapToArchitectureSet(ArrayRef<Target> Targets);
72 
73 std::string getTargetTripleName(const Target &Targ);
74 
75 raw_ostream &operator<<(raw_ostream &OS, const Target &Target);
76 
77 } // namespace MachO
78 } // namespace llvm
79 
80 #endif // LLVM_TEXTAPI_TARGET_H
81