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annotate bindings/ocaml/target/llvm_target.mli @ 0:95c75e76d11b

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 60c9769439b8
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1 (*===-- llvm_target.mli - LLVM OCaml Interface -----------------*- OCaml -*-===*
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2 *
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3 * The LLVM Compiler Infrastructure
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4 *
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5 * This file is distributed under the University of Illinois Open Source
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6 * License. See LICENSE.TXT for details.
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7 *
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8 *===----------------------------------------------------------------------===*)
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9
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10 (** Target Information.
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11
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12 This interface provides an OCaml API for LLVM target information,
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13 the classes in the Target library. *)
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14
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15 module Endian : sig
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16 type t =
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17 | Big
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18 | Little
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19 end
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20
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21 module CodeGenOptLevel : sig
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22 type t =
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23 | None
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24 | Less
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25 | Default
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26 | Aggressive
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27 end
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28
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29 module RelocMode : sig
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30 type t =
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31 | Default
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32 | Static
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33 | PIC
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34 | DynamicNoPIC
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35 end
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36
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37 module CodeModel : sig
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38 type t =
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39 | Default
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40 | JITDefault
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41 | Small
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42 | Kernel
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43 | Medium
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44 | Large
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45 end
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46
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47 module CodeGenFileType : sig
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48 type t =
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49 | AssemblyFile
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50 | ObjectFile
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51 end
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52
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53 (** {6 Exceptions} *)
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54
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55 exception Error of string
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56
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57 (** {6 Data Layout} *)
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58
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59 module DataLayout : sig
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60 type t
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61
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62 (** [of_string rep] parses the data layout string representation [rep].
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63 See the constructor [llvm::DataLayout::DataLayout]. *)
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64 val of_string : string -> t
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65
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66 (** [as_string dl] is the string representation of the data layout [dl].
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67 See the method [llvm::DataLayout::getStringRepresentation]. *)
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68 val as_string : t -> string
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69
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70 (** [add_to_pass_manager dl pm] adds the target data [dl] to
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71 the pass manager [pm].
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72 See the method [llvm::PassManagerBase::add]. *)
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73 val add_to_pass_manager : [<Llvm.PassManager.any] Llvm.PassManager.t ->
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74 t -> unit
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75
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76 (** Returns the byte order of a target, either [Endian.Big] or
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77 [Endian.Little].
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78 See the method [llvm::DataLayout::isLittleEndian]. *)
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79 val byte_order : t -> Endian.t
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80
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81 (** Returns the pointer size in bytes for a target.
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82 See the method [llvm::DataLayout::getPointerSize]. *)
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83 val pointer_size : t -> int
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84
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85 (** Returns the integer type that is the same size as a pointer on a target.
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86 See the method [llvm::DataLayout::getIntPtrType]. *)
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87 val intptr_type : Llvm.llcontext -> t -> Llvm.lltype
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88
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89 (** Returns the pointer size in bytes for a target in a given address space.
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90 See the method [llvm::DataLayout::getPointerSize]. *)
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91 val qualified_pointer_size : int -> t -> int
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92
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93 (** Returns the integer type that is the same size as a pointer on a target
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94 in a given address space.
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95 See the method [llvm::DataLayout::getIntPtrType]. *)
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96 val qualified_intptr_type : Llvm.llcontext -> int -> t -> Llvm.lltype
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97
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98 (** Computes the size of a type in bits for a target.
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99 See the method [llvm::DataLayout::getTypeSizeInBits]. *)
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100 val size_in_bits : Llvm.lltype -> t -> Int64.t
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101
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102 (** Computes the storage size of a type in bytes for a target.
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103 See the method [llvm::DataLayout::getTypeStoreSize]. *)
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104 val store_size : Llvm.lltype -> t -> Int64.t
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105
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106 (** Computes the ABI size of a type in bytes for a target.
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107 See the method [llvm::DataLayout::getTypeAllocSize]. *)
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108 val abi_size : Llvm.lltype -> t -> Int64.t
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109
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110 (** Computes the ABI alignment of a type in bytes for a target.
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111 See the method [llvm::DataLayout::getTypeABISize]. *)
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112 val abi_align : Llvm.lltype -> t -> int
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113
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114 (** Computes the call frame alignment of a type in bytes for a target.
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115 See the method [llvm::DataLayout::getTypeABISize]. *)
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116 val stack_align : Llvm.lltype -> t -> int
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117
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118 (** Computes the preferred alignment of a type in bytes for a target.
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119 See the method [llvm::DataLayout::getTypeABISize]. *)
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120 val preferred_align : Llvm.lltype -> t -> int
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121
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122 (** Computes the preferred alignment of a global variable in bytes for
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123 a target. See the method [llvm::DataLayout::getPreferredAlignment]. *)
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124 val preferred_align_of_global : Llvm.llvalue -> t -> int
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125
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126 (** Computes the structure element that contains the byte offset for a target.
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127 See the method [llvm::StructLayout::getElementContainingOffset]. *)
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128 val element_at_offset : Llvm.lltype -> Int64.t -> t -> int
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129
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130 (** Computes the byte offset of the indexed struct element for a target.
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131 See the method [llvm::StructLayout::getElementContainingOffset]. *)
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132 val offset_of_element : Llvm.lltype -> int -> t -> Int64.t
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133 end
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134
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135 (** {6 Target} *)
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136
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137 module Target : sig
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138 type t
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139
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140 (** [default_triple ()] returns the default target triple for current
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141 platform. *)
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142 val default_triple : unit -> string
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143
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144 (** [first ()] returns the first target in the registered targets
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145 list, or [None]. *)
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146 val first : unit -> t option
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147
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148 (** [succ t] returns the next target after [t], or [None]
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149 if [t] was the last target. *)
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150 val succ : t -> t option
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151
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152 (** [all ()] returns a list of known targets. *)
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153 val all : unit -> t list
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154
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155 (** [by_name name] returns [Some t] if a target [t] named [name] is
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156 registered, or [None] otherwise. *)
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157 val by_name : string -> t option
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158
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159 (** [by_triple triple] returns a target for a triple [triple], or raises
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160 [Error] if [triple] does not correspond to a registered target. *)
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161 val by_triple : string -> t
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162
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163 (** Returns the name of a target. See [llvm::Target::getName]. *)
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164 val name : t -> string
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165
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166 (** Returns the description of a target.
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167 See [llvm::Target::getDescription]. *)
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168 val description : t -> string
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169
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170 (** Returns [true] if the target has a JIT. *)
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171 val has_jit : t -> bool
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172
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173 (** Returns [true] if the target has a target machine associated. *)
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174 val has_target_machine : t -> bool
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175
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176 (** Returns [true] if the target has an ASM backend (required for
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177 emitting output). *)
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178 val has_asm_backend : t -> bool
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179 end
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180
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181 (** {6 Target Machine} *)
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182
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183 module TargetMachine : sig
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184 type t
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185
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186 (** Creates a new target machine.
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187 See [llvm::Target::createTargetMachine]. *)
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188 val create : triple:string -> ?cpu:string -> ?features:string ->
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189 ?level:CodeGenOptLevel.t -> ?reloc_mode:RelocMode.t ->
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190 ?code_model:CodeModel.t -> Target.t -> t
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191
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192 (** Returns the Target used in a TargetMachine *)
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193 val target : t -> Target.t
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194
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195 (** Returns the triple used while creating this target machine. See
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196 [llvm::TargetMachine::getTriple]. *)
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197 val triple : t -> string
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198
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199 (** Returns the CPU used while creating this target machine. See
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200 [llvm::TargetMachine::getCPU]. *)
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201 val cpu : t -> string
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202
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203 (** Returns the feature string used while creating this target machine. See
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204 [llvm::TargetMachine::getFeatureString]. *)
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205 val features : t -> string
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206
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207 (** Returns the data layout of this target machine. *)
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208 val data_layout : t -> DataLayout.t
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209
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210 (** Sets the assembly verbosity of this target machine.
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211 See [llvm::TargetMachine::setAsmVerbosity]. *)
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212 val set_verbose_asm : bool -> t -> unit
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213
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214 (** Emits assembly or object data for the given module to the given
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215 file or raise [Error]. *)
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216 val emit_to_file : Llvm.llmodule -> CodeGenFileType.t -> string -> t -> unit
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217
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218 (** Emits assembly or object data for the given module to a fresh memory
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219 buffer or raise [Error]. *)
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220 val emit_to_memory_buffer : Llvm.llmodule -> CodeGenFileType.t -> t ->
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221 Llvm.llmemorybuffer
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222 end