clang  9.0.0svn
TCE.h
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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"
18 #include "llvm/ADT/Triple.h"
19 #include "llvm/Support/Compiler.h"
20 
21 namespace clang {
22 namespace 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 
32 static 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 
45 class LLVM_LIBRARY_VISIBILITY TCETargetInfo : public TargetInfo {
46 public:
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 
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 
100  return None;
101  }
102 };
103 
104 class LLVM_LIBRARY_VISIBILITY TCELETargetInfo : public TCETargetInfo {
105 public:
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
static const unsigned TCEOpenCLAddrSpaceMap[]
Definition: TCE.h:32
bool hasFeature(StringRef Feature) const override
Determine whether the given target has the given feature.
Definition: TCE.h:82
TCELETargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
Definition: TCE.h:106
Options for controlling the target.
Definition: TargetOptions.h:26
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:49
TCETargetInfo(const llvm::Triple &Triple, const TargetOptions &)
Definition: TCE.h:47
typedef void* __builtin_va_list;
Definition: TargetInfo.h:228
Exposes information about the current target.
Definition: TargetInfo.h:161
const char * getClobbers() const override
Returns a string of target-specific clobbers, in LLVM format.
Definition: TCE.h:86
ArrayRef< TargetInfo::GCCRegAlias > getGCCRegAliases() const override
Definition: TCE.h:99
Defines the clang::TargetOptions class.
bool validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &info) const override
Definition: TCE.h:94
ArrayRef< const char * > getGCCRegNames() const override
Definition: TCE.h:92
Dataflow Directional Tag Classes.
BuiltinVaListKind
The different kinds of __builtin_va_list types defined by the target implementation.
Definition: TargetInfo.h:223
ArrayRef< Builtin::Info > getTargetBuiltins() const override
Return information about target-specific builtins for the current primary target, and info about whic...
Definition: TCE.h:84
Defines the clang::TargetInfo interface.
BuiltinVaListKind getBuiltinVaListKind() const override
Returns the kind of __builtin_va_list type that should be used with this target.
Definition: TCE.h:88