1 //===--- XCore.h - Declare XCore 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 XCore TargetInfo objects.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_H
14 #define LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_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 XCoreTargetInfo : public TargetInfo {
25 
26 public:
27   XCoreTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
28       : TargetInfo(Triple) {
29     NoAsmVariants = true;
30     LongLongAlign = 32;
31     SuitableAlign = 32;
32     DoubleAlign = LongDoubleAlign = 32;
33     SizeType = UnsignedInt;
34     PtrDiffType = SignedInt;
35     IntPtrType = SignedInt;
36     WCharType = UnsignedChar;
37     WIntType = UnsignedInt;
38     UseZeroLengthBitfieldAlignment = true;
39     resetDataLayout("e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32"
40                     "-f64:32-a:0:32-n32");
41   }
42 
43   void getTargetDefines(const LangOptions &Opts,
44                         MacroBuilder &Builder) const override;
45 
46   ArrayRef<Builtin::Info> getTargetBuiltins() const override;
47 
48   BuiltinVaListKind getBuiltinVaListKind() const override {
49     return TargetInfo::VoidPtrBuiltinVaList;
50   }
51 
52   std::string_view getClobbers() const override { return ""; }
53 
54   ArrayRef<const char *> getGCCRegNames() const override {
55     static const char *const GCCRegNames[] = {
56         "r0", "r1", "r2",  "r3",  "r4", "r5", "r6", "r7",
57         "r8", "r9", "r10", "r11", "cp", "dp", "sp", "lr"
58     };
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   int getEHDataRegisterNumber(unsigned RegNo) const override {
72     // R0=ExceptionPointerRegister R1=ExceptionSelectorRegister
73     return (RegNo < 2) ? RegNo : -1;
74   }
75 
76   bool allowsLargerPreferedTypeAlignment() const override { return false; }
77 
78   bool hasBitIntType() const override { return true; }
79 };
80 } // namespace targets
81 } // namespace clang
82 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_H
83