1//===--- TCE.h - Declare TCE 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 TCE TargetInfo objects.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_TCE_H
14#define LLVM_CLANG_LIB_BASIC_TARGETS_TCE_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
21namespace clang {
22namespace targets {
23
24// llvm and clang cannot be used directly to output native binaries for
25// target, but is used to compile C code to llvm bitcode with correct
26// type and alignment information.
27//
28// TCE uses the llvm bitcode as input and uses it for generating customized
29// target processor and program binary. TCE co-design environment is
30// publicly available in http://tce.cs.tut.fi
31
32static const unsigned TCEOpenCLAddrSpaceMap[] = {
33    0, // Default
34    3, // opencl_global
35    4, // opencl_local
36    5, // opencl_constant
37    0, // opencl_private
38    1, // opencl_global_device
39    1, // opencl_global_host
40    // FIXME: generic has to be added to the target
41    0, // opencl_generic
42    0, // cuda_device
43    0, // cuda_constant
44    0, // cuda_shared
45    0, // sycl_global
46    0, // sycl_global_device
47    0, // sycl_global_host
48    0, // sycl_local
49    0, // sycl_private
50    0, // ptr32_sptr
51    0, // ptr32_uptr
52    0, // ptr64
53    0, // hlsl_groupshared
54    // Wasm address space values for this target are dummy values,
55    // as it is only enabled for Wasm targets.
56    20, // wasm_funcref
57};
58
59class LLVM_LIBRARY_VISIBILITY TCETargetInfo : public TargetInfo {
60public:
61  TCETargetInfo(const llvm::Triple &Triple, const TargetOptions &)
62      : TargetInfo(Triple) {
63    TLSSupported = false;
64    IntWidth = 32;
65    LongWidth = LongLongWidth = 32;
66    PointerWidth = 32;
67    IntAlign = 32;
68    LongAlign = LongLongAlign = 32;
69    PointerAlign = 32;
70    SuitableAlign = 32;
71    SizeType = UnsignedInt;
72    IntMaxType = SignedLong;
73    IntPtrType = SignedInt;
74    PtrDiffType = SignedInt;
75    FloatWidth = 32;
76    FloatAlign = 32;
77    DoubleWidth = 32;
78    DoubleAlign = 32;
79    LongDoubleWidth = 32;
80    LongDoubleAlign = 32;
81    FloatFormat = &llvm::APFloat::IEEEsingle();
82    DoubleFormat = &llvm::APFloat::IEEEsingle();
83    LongDoubleFormat = &llvm::APFloat::IEEEsingle();
84    resetDataLayout("E-p:32:32:32-i1:8:8-i8:8:32-"
85                    "i16:16:32-i32:32:32-i64:32:32-"
86                    "f32:32:32-f64:32:32-v64:32:32-"
87                    "v128:32:32-v256:32:32-v512:32:32-"
88                    "v1024:32:32-a0:0:32-n32");
89    AddrSpaceMap = &TCEOpenCLAddrSpaceMap;
90    UseAddrSpaceMapMangling = true;
91  }
92
93  void getTargetDefines(const LangOptions &Opts,
94                        MacroBuilder &Builder) const override;
95
96  bool hasFeature(StringRef Feature) const override { return Feature == "tce"; }
97
98  ArrayRef<Builtin::Info> getTargetBuiltins() const override {
99    return std::nullopt;
100  }
101
102  std::string_view getClobbers() const override { return ""; }
103
104  BuiltinVaListKind getBuiltinVaListKind() const override {
105    return TargetInfo::VoidPtrBuiltinVaList;
106  }
107
108  ArrayRef<const char *> getGCCRegNames() const override {
109    return std::nullopt;
110  }
111
112  bool validateAsmConstraint(const char *&Name,
113                             TargetInfo::ConstraintInfo &info) const override {
114    return true;
115  }
116
117  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
118    return std::nullopt;
119  }
120};
121
122class LLVM_LIBRARY_VISIBILITY TCELETargetInfo : public TCETargetInfo {
123public:
124  TCELETargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
125      : TCETargetInfo(Triple, Opts) {
126    BigEndian = false;
127
128    resetDataLayout("e-p:32:32:32-i1:8:8-i8:8:32-"
129                    "i16:16:32-i32:32:32-i64:32:32-"
130                    "f32:32:32-f64:32:32-v64:32:32-"
131                    "v128:32:32-v256:32:32-v512:32:32-"
132                    "v1024:32:32-a0:0:32-n32");
133  }
134
135  void getTargetDefines(const LangOptions &Opts,
136                        MacroBuilder &Builder) const override;
137};
138} // namespace targets
139} // namespace clang
140#endif // LLVM_CLANG_LIB_BASIC_TARGETS_TCE_H
141