1 //===--- ARC.h - Declare ARC target feature support -------------*- 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 // This file declares ARC TargetInfo objects.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_ARC_H
14 #define LLVM_CLANG_LIB_BASIC_TARGETS_ARC_H
15 
16 #include "clang/Basic/TargetInfo.h"
17 #include "clang/Basic/TargetOptions.h"
18 #include "llvm/Support/Compiler.h"
19 #include "llvm/TargetParser/Triple.h"
20 
21 namespace clang {
22 namespace targets {
23 
24 class LLVM_LIBRARY_VISIBILITY ARCTargetInfo : public TargetInfo {
25 public:
26   ARCTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
27       : TargetInfo(Triple) {
28     NoAsmVariants = true;
29     LongLongAlign = 32;
30     SuitableAlign = 32;
31     DoubleAlign = LongDoubleAlign = 32;
32     SizeType = UnsignedInt;
33     PtrDiffType = SignedInt;
34     IntPtrType = SignedInt;
35     UseZeroLengthBitfieldAlignment = true;
36     resetDataLayout("e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-"
37                     "i32:32:32-f32:32:32-i64:32-f64:32-a:0:32-n32");
38   }
39 
40   void getTargetDefines(const LangOptions &Opts,
41                         MacroBuilder &Builder) const override;
42 
43   ArrayRef<Builtin::Info> getTargetBuiltins() const override {
44     return std::nullopt;
45   }
46 
47   BuiltinVaListKind getBuiltinVaListKind() const override {
48     return TargetInfo::VoidPtrBuiltinVaList;
49   }
50 
51   std::string_view getClobbers() const override { return ""; }
52 
53   ArrayRef<const char *> getGCCRegNames() const override {
54     static const char *const GCCRegNames[] = {
55         "r0",  "r1",  "r2",  "r3",  "r4",  "r5",     "r6",  "r7",
56         "r8",  "r9",  "r10", "r11", "r12", "r13",    "r14", "r15",
57         "r16", "r17", "r18", "r19", "r20", "r21",    "r22", "r23",
58         "r24", "r25", "gp",  "sp",  "fp",  "ilink1", "r30", "blink"};
59     return llvm::ArrayRef(GCCRegNames);
60   }
61 
62   ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
63     return std::nullopt;
64   }
65 
66   bool validateAsmConstraint(const char *&Name,
67                              TargetInfo::ConstraintInfo &Info) const override {
68     return false;
69   }
70 
71   bool hasBitIntType() const override { return true; }
72 
73   bool isCLZForZeroUndef() const override { return false; }
74 };
75 
76 } // namespace targets
77 } // namespace clang
78 
79 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_ARC_H
80