Clang Project

clang_source_code/lib/Basic/Targets/TCE.h
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/ADT/Triple.h"
19#include "llvm/Support/Compiler.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    // FIXME: generic has to be added to the target
39    0// opencl_generic
40    0// cuda_device
41    0// cuda_constant
42    0  // cuda_shared
43};
44
45class LLVM_LIBRARY_VISIBILITY TCETargetInfo : public TargetInfo {
46public:
47  TCETargetInfo(const llvm::Triple &Triple, const TargetOptions &)
48      : TargetInfo(Triple) {
49    TLSSupported = false;
50    IntWidth = 32;
51    LongWidth = LongLongWidth = 32;
52    PointerWidth = 32;
53    IntAlign = 32;
54    LongAlign = LongLongAlign = 32;
55    PointerAlign = 32;
56    SuitableAlign = 32;
57    SizeType = UnsignedInt;
58    IntMaxType = SignedLong;
59    IntPtrType = SignedInt;
60    PtrDiffType = SignedInt;
61    FloatWidth = 32;
62    FloatAlign = 32;
63    DoubleWidth = 32;
64    DoubleAlign = 32;
65    LongDoubleWidth = 32;
66    LongDoubleAlign = 32;
67    FloatFormat = &llvm::APFloat::IEEEsingle();
68    DoubleFormat = &llvm::APFloat::IEEEsingle();
69    LongDoubleFormat = &llvm::APFloat::IEEEsingle();
70    resetDataLayout("E-p:32:32:32-i1:8:8-i8:8:32-"
71                    "i16:16:32-i32:32:32-i64:32:32-"
72                    "f32:32:32-f64:32:32-v64:32:32-"
73                    "v128:32:32-v256:32:32-v512:32:32-"
74                    "v1024:32:32-a0:0:32-n32");
75    AddrSpaceMap = &TCEOpenCLAddrSpaceMap;
76    UseAddrSpaceMapMangling = true;
77  }
78
79  void getTargetDefines(const LangOptions &Opts,
80                        MacroBuilder &Builder) const override;
81
82  bool hasFeature(StringRef Feature) const override { return Feature == "tce"; }
83
84  ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
85
86  const char *getClobbers() const override { return ""; }
87
88  BuiltinVaListKind getBuiltinVaListKind() const override {
89    return TargetInfo::VoidPtrBuiltinVaList;
90  }
91
92  ArrayRef<const char *> getGCCRegNames() const override { return None; }
93
94  bool validateAsmConstraint(const char *&Name,
95                             TargetInfo::ConstraintInfo &info) const override {
96    return true;
97  }
98
99  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
100    return None;
101  }
102};
103
104class LLVM_LIBRARY_VISIBILITY TCELETargetInfo : public TCETargetInfo {
105public:
106  TCELETargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
107      : TCETargetInfo(Triple, Opts) {
108    BigEndian = false;
109
110    resetDataLayout("e-p:32:32:32-i1:8:8-i8:8:32-"
111                    "i16:16:32-i32:32:32-i64:32:32-"
112                    "f32:32:32-f64:32:32-v64:32:32-"
113                    "v128:32:32-v256:32:32-v512:32:32-"
114                    "v1024:32:32-a0:0:32-n32");
115  }
116
117  void getTargetDefines(const LangOptions &Opts,
118                        MacroBuilder &Builder) const override;
119};
120// namespace targets
121// namespace clang
122#endif // LLVM_CLANG_LIB_BASIC_TARGETS_TCE_H
123