clang 17.0.0git
ARC.h
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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
18#include "llvm/ADT/Triple.h"
19#include "llvm/Support/Compiler.h"
20
21namespace clang {
22namespace targets {
23
24class LLVM_LIBRARY_VISIBILITY ARCTargetInfo : public TargetInfo {
25public:
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
44 return std::nullopt;
45 }
46
48 return TargetInfo::VoidPtrBuiltinVaList;
49 }
50
51 const char *getClobbers() const override { return ""; }
52
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
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
Defines the clang::TargetOptions class.
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:82
Exposes information about the current target.
Definition: TargetInfo.h:206
BuiltinVaListKind
The different kinds of __builtin_va_list types defined by the target implementation.
Definition: TargetInfo.h:288
Options for controlling the target.
Definition: TargetOptions.h:26
bool validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &Info) const override
Definition: ARC.h:66
bool isCLZForZeroUndef() const override
The __builtin_clz* and __builtin_ctz* built-in functions are specified to have undefined results for ...
Definition: ARC.h:73
ArrayRef< TargetInfo::GCCRegAlias > getGCCRegAliases() const override
Definition: ARC.h:62
bool hasBitIntType() const override
Determine whether the _BitInt type is supported on this target.
Definition: ARC.h:71
const char * getClobbers() const override
Returns a string of target-specific clobbers, in LLVM format.
Definition: ARC.h:51
ArrayRef< Builtin::Info > getTargetBuiltins() const override
Return information about target-specific builtins for the current primary target, and info about whic...
Definition: ARC.h:43
ArrayRef< const char * > getGCCRegNames() const override
Definition: ARC.h:53
ARCTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
Definition: ARC.h:26
BuiltinVaListKind getBuiltinVaListKind() const override
Returns the kind of __builtin_va_list type that should be used with this target.
Definition: ARC.h:47
Defines the clang::TargetInfo interface.