contrib/llvm/lib/Target/WebAssembly/WebAssemblyRuntimeLibcallSignatures.cpp

   1 // CodeGen/RuntimeLibcallSignatures.cpp - R.T. Lib. Call Signatures -*- C++ -*--
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 ///
  10 /// \file
  11 /// \brief This file contains signature information for runtime libcalls.
  12 ///
  13 /// CodeGen uses external symbols, which it refers to by name. The WebAssembly
  14 /// target needs type information for all functions. This file contains a big
  15 /// table providing type signatures for all runtime library functions that LLVM
  16 /// uses.
  17 ///
  18 /// This is currently a fairly heavy-handed solution.
  19 ///
  20 //===----------------------------------------------------------------------===//
  21
  22 #include "WebAssemblyRuntimeLibcallSignatures.h"
  23 #include "WebAssemblySubtarget.h"
  24 #include "llvm/CodeGen/RuntimeLibcalls.h"
  25
  26 using namespace llvm;
  27
  28 namespace {
  29
  30 enum RuntimeLibcallSignature {
  31   func,
  32   f32_func_f32,
  33   f32_func_f64,
  34   f32_func_i32,
  35   f32_func_i64,
  36   f32_func_i16,
  37   f64_func_f32,
  38   f64_func_f64,
  39   f64_func_i32,
  40   f64_func_i64,
  41   i32_func_f32,
  42   i32_func_f64,
  43   i32_func_i32,
  44   i64_func_f32,
  45   i64_func_f64,
  46   i64_func_i64,
  47   f32_func_f32_f32,
  48   f32_func_f32_i32,
  49   f32_func_i64_i64,
  50   f64_func_f64_f64,
  51   f64_func_f64_i32,
  52   f64_func_i64_i64,
  53   i16_func_f32,
  54   i8_func_i8_i8,
  55   func_f32_iPTR_iPTR,
  56   func_f64_iPTR_iPTR,
  57   i16_func_i16_i16,
  58   i32_func_f32_f32,
  59   i32_func_f64_f64,
  60   i32_func_i32_i32,
  61   i64_func_i64_i64,
  62   i64_i64_func_f32,
  63   i64_i64_func_f64,
  64   i16_i16_func_i16_i16,
  65   i32_i32_func_i32_i32,
  66   i64_i64_func_i64_i64,
  67   i64_i64_func_i64_i64_i64_i64,
  68   i64_i64_i64_i64_func_i64_i64_i64_i64,
  69   i64_i64_func_i64_i64_i32,
  70   iPTR_func_iPTR_i32_iPTR,
  71   iPTR_func_iPTR_iPTR_iPTR,
  72   f32_func_f32_f32_f32,
  73   f64_func_f64_f64_f64,
  74   func_i64_i64_iPTR_iPTR,
  75   func_iPTR_f32,
  76   func_iPTR_f64,
  77   func_iPTR_i32,
  78   func_iPTR_i64,
  79   func_iPTR_i64_i64,
  80   func_iPTR_i64_i64_i64_i64,
  81   func_iPTR_i64_i64_i64_i64_i64_i64,
  82   i32_func_i64_i64,
  83   i32_func_i64_i64_i64_i64,
  84   unsupported
  85 };
  86
  87 } // end anonymous namespace
  88
  89 static const RuntimeLibcallSignature
  90 RuntimeLibcallSignatures[RTLIB::UNKNOWN_LIBCALL] = {
  91 // Integer
  92 /* SHL_I16 */ i16_func_i16_i16,
  93 /* SHL_I32 */ i32_func_i32_i32,
  94 /* SHL_I64 */ i64_func_i64_i64,
  95 /* SHL_I128 */ i64_i64_func_i64_i64_i32,
  96 /* SRL_I16 */ i16_func_i16_i16,
  97 /* SRL_I32 */ i32_func_i32_i32,
  98 /* SRL_I64 */ i64_func_i64_i64,
  99 /* SRL_I128 */ i64_i64_func_i64_i64_i32,
 100 /* SRA_I16 */ i16_func_i16_i16,
 101 /* SRA_I32 */ i32_func_i32_i32,
 102 /* SRA_I64 */ i64_func_i64_i64,
 103 /* SRA_I128 */ i64_i64_func_i64_i64_i32,
 104 /* MUL_I8 */ i8_func_i8_i8,
 105 /* MUL_I16 */ i16_func_i16_i16,
 106 /* MUL_I32 */ i32_func_i32_i32,
 107 /* MUL_I64 */ i64_func_i64_i64,
 108 /* MUL_I128 */ i64_i64_func_i64_i64_i64_i64,
 109 /* MULO_I32 */ i32_func_i32_i32,
 110 /* MULO_I64 */ i64_func_i64_i64,
 111 /* MULO_I128 */ i64_i64_func_i64_i64_i64_i64,
 112 /* SDIV_I8 */ i8_func_i8_i8,
 113 /* SDIV_I16 */ i16_func_i16_i16,
 114 /* SDIV_I32 */ i32_func_i32_i32,
 115 /* SDIV_I64 */ i64_func_i64_i64,
 116 /* SDIV_I128 */ i64_i64_func_i64_i64_i64_i64,
 117 /* UDIV_I8 */ i8_func_i8_i8,
 118 /* UDIV_I16 */ i16_func_i16_i16,
 119 /* UDIV_I32 */ i32_func_i32_i32,
 120 /* UDIV_I64 */ i64_func_i64_i64,
 121 /* UDIV_I128 */ i64_i64_func_i64_i64_i64_i64,
 122 /* SREM_I8 */ i8_func_i8_i8,
 123 /* SREM_I16 */ i16_func_i16_i16,
 124 /* SREM_I32 */ i32_func_i32_i32,
 125 /* SREM_I64 */ i64_func_i64_i64,
 126 /* SREM_I128 */ i64_i64_func_i64_i64_i64_i64,
 127 /* UREM_I8 */ i8_func_i8_i8,
 128 /* UREM_I16 */ i16_func_i16_i16,
 129 /* UREM_I32 */ i32_func_i32_i32,
 130 /* UREM_I64 */ i64_func_i64_i64,
 131 /* UREM_I128 */ i64_i64_func_i64_i64_i64_i64,
 132 /* SDIVREM_I8 */ i8_func_i8_i8,
 133 /* SDIVREM_I16 */ i16_i16_func_i16_i16,
 134 /* SDIVREM_I32 */ i32_i32_func_i32_i32,
 135 /* SDIVREM_I64 */ i64_func_i64_i64,
 136 /* SDIVREM_I128 */ i64_i64_i64_i64_func_i64_i64_i64_i64,
 137 /* UDIVREM_I8 */ i8_func_i8_i8,
 138 /* UDIVREM_I16 */ i16_i16_func_i16_i16,
 139 /* UDIVREM_I32 */ i32_i32_func_i32_i32,
 140 /* UDIVREM_I64 */ i64_i64_func_i64_i64,
 141 /* UDIVREM_I128 */ i64_i64_i64_i64_func_i64_i64_i64_i64,
 142 /* NEG_I32 */ i32_func_i32,
 143 /* NEG_I64 */ i64_func_i64,
 144
 145 // FLOATING POINT
 146 /* ADD_F32 */ f32_func_f32_f32,
 147 /* ADD_F64 */ f64_func_f64_f64,
 148 /* ADD_F80 */ unsupported,
 149 /* ADD_F128 */ func_iPTR_i64_i64_i64_i64,
 150 /* ADD_PPCF128 */ unsupported,
 151 /* SUB_F32 */ f32_func_f32_f32,
 152 /* SUB_F64 */ f64_func_f64_f64,
 153 /* SUB_F80 */ unsupported,
 154 /* SUB_F128 */ func_iPTR_i64_i64_i64_i64,
 155 /* SUB_PPCF128 */ unsupported,
 156 /* MUL_F32 */ f32_func_f32_f32,
 157 /* MUL_F64 */ f64_func_f64_f64,
 158 /* MUL_F80 */ unsupported,
 159 /* MUL_F128 */ func_iPTR_i64_i64_i64_i64,
 160 /* MUL_PPCF128 */ unsupported,
 161 /* DIV_F32 */ f32_func_f32_f32,
 162 /* DIV_F64 */ f64_func_f64_f64,
 163 /* DIV_F80 */ unsupported,
 164 /* DIV_F128 */ func_iPTR_i64_i64_i64_i64,
 165 /* DIV_PPCF128 */ unsupported,
 166 /* REM_F32 */ f32_func_f32_f32,
 167 /* REM_F64 */ f64_func_f64_f64,
 168 /* REM_F80 */ unsupported,
 169 /* REM_F128 */ func_iPTR_i64_i64_i64_i64,
 170 /* REM_PPCF128 */ unsupported,
 171 /* FMA_F32 */ f32_func_f32_f32_f32,
 172 /* FMA_F64 */ f64_func_f64_f64_f64,
 173 /* FMA_F80 */ unsupported,
 174 /* FMA_F128 */ func_iPTR_i64_i64_i64_i64_i64_i64,
 175 /* FMA_PPCF128 */ unsupported,
 176 /* POWI_F32 */ f32_func_f32_i32,
 177 /* POWI_F64 */ f64_func_f64_i32,
 178 /* POWI_F80 */ unsupported,
 179 /* POWI_F128 */ func_iPTR_i64_i64_i64_i64,
 180 /* POWI_PPCF128 */ unsupported,
 181 /* SQRT_F32 */ f32_func_f32,
 182 /* SQRT_F64 */ f64_func_f64,
 183 /* SQRT_F80 */ unsupported,
 184 /* SQRT_F128 */ func_iPTR_i64_i64,
 185 /* SQRT_PPCF128 */ unsupported,
 186 /* LOG_F32 */ f32_func_f32,
 187 /* LOG_F64 */ f64_func_f64,
 188 /* LOG_F80 */ unsupported,
 189 /* LOG_F128 */ func_iPTR_i64_i64,
 190 /* LOG_PPCF128 */ unsupported,
 191 /* LOG2_F32 */ f32_func_f32,
 192 /* LOG2_F64 */ f64_func_f64,
 193 /* LOG2_F80 */ unsupported,
 194 /* LOG2_F128 */ func_iPTR_i64_i64,
 195 /* LOG2_PPCF128 */ unsupported,
 196 /* LOG10_F32 */ f32_func_f32,
 197 /* LOG10_F64 */ f64_func_f64,
 198 /* LOG10_F80 */ unsupported,
 199 /* LOG10_F128 */ func_iPTR_i64_i64,
 200 /* LOG10_PPCF128 */ unsupported,
 201 /* EXP_F32 */ f32_func_f32,
 202 /* EXP_F64 */ f64_func_f64,
 203 /* EXP_F80 */ unsupported,
 204 /* EXP_F128 */ func_iPTR_i64_i64,
 205 /* EXP_PPCF128 */ unsupported,
 206 /* EXP2_F32 */ f32_func_f32,
 207 /* EXP2_F64 */ f64_func_f64,
 208 /* EXP2_F80 */ unsupported,
 209 /* EXP2_F128 */ func_iPTR_i64_i64,
 210 /* EXP2_PPCF128 */ unsupported,
 211 /* SIN_F32 */ f32_func_f32,
 212 /* SIN_F64 */ f64_func_f64,
 213 /* SIN_F80 */ unsupported,
 214 /* SIN_F128 */ func_iPTR_i64_i64,
 215 /* SIN_PPCF128 */ unsupported,
 216 /* COS_F32 */ f32_func_f32,
 217 /* COS_F64 */ f64_func_f64,
 218 /* COS_F80 */ unsupported,
 219 /* COS_F128 */ func_iPTR_i64_i64,
 220 /* COS_PPCF128 */ unsupported,
 221 /* SINCOS_F32 */ func_f32_iPTR_iPTR,
 222 /* SINCOS_F64 */ func_f64_iPTR_iPTR,
 223 /* SINCOS_F80 */ unsupported,
 224 /* SINCOS_F128 */ func_i64_i64_iPTR_iPTR,
 225 /* SINCOS_PPCF128 */ unsupported,
 226 /* SINCOS_STRET_F32 */ unsupported,
 227 /* SINCOS_STRET_F64 */ unsupported,
 228 /* POW_F32 */ f32_func_f32_f32,
 229 /* POW_F64 */ f64_func_f64_f64,
 230 /* POW_F80 */ unsupported,
 231 /* POW_F128 */ func_iPTR_i64_i64_i64_i64,
 232 /* POW_PPCF128 */ unsupported,
 233 /* CEIL_F32 */ f32_func_f32,
 234 /* CEIL_F64 */ f64_func_f64,
 235 /* CEIL_F80 */ unsupported,
 236 /* CEIL_F128 */ func_iPTR_i64_i64,
 237 /* CEIL_PPCF128 */ unsupported,
 238 /* TRUNC_F32 */ f32_func_f32,
 239 /* TRUNC_F64 */ f64_func_f64,
 240 /* TRUNC_F80 */ unsupported,
 241 /* TRUNC_F128 */ func_iPTR_i64_i64,
 242 /* TRUNC_PPCF128 */ unsupported,
 243 /* RINT_F32 */ f32_func_f32,
 244 /* RINT_F64 */ f64_func_f64,
 245 /* RINT_F80 */ unsupported,
 246 /* RINT_F128 */ func_iPTR_i64_i64,
 247 /* RINT_PPCF128 */ unsupported,
 248 /* NEARBYINT_F32 */ f32_func_f32,
 249 /* NEARBYINT_F64 */ f64_func_f64,
 250 /* NEARBYINT_F80 */ unsupported,
 251 /* NEARBYINT_F128 */ func_iPTR_i64_i64,
 252 /* NEARBYINT_PPCF128 */ unsupported,
 253 /* ROUND_F32 */ f32_func_f32,
 254 /* ROUND_F64 */ f64_func_f64,
 255 /* ROUND_F80 */ unsupported,
 256 /* ROUND_F128 */ func_iPTR_i64_i64,
 257 /* ROUND_PPCF128 */ unsupported,
 258 /* FLOOR_F32 */ f32_func_f32,
 259 /* FLOOR_F64 */ f64_func_f64,
 260 /* FLOOR_F80 */ unsupported,
 261 /* FLOOR_F128 */ func_iPTR_i64_i64,
 262 /* FLOOR_PPCF128 */ unsupported,
 263 /* COPYSIGN_F32 */ f32_func_f32_f32,
 264 /* COPYSIGN_F64 */ f64_func_f64_f64,
 265 /* COPYSIGN_F80 */ unsupported,
 266 /* COPYSIGN_F128 */ func_iPTR_i64_i64_i64_i64,
 267 /* COPYSIGN_PPCF128 */ unsupported,
 268 /* FMIN_F32 */ f32_func_f32_f32,
 269 /* FMIN_F64 */ f64_func_f64_f64,
 270 /* FMIN_F80 */ unsupported,
 271 /* FMIN_F128 */ func_iPTR_i64_i64_i64_i64,
 272 /* FMIN_PPCF128 */ unsupported,
 273 /* FMAX_F32 */ f32_func_f32_f32,
 274 /* FMAX_F64 */ f64_func_f64_f64,
 275 /* FMAX_F80 */ unsupported,
 276 /* FMAX_F128 */ func_iPTR_i64_i64_i64_i64,
 277 /* FMAX_PPCF128 */ unsupported,
 278
 279 // CONVERSION
 280 /* FPEXT_F32_PPCF128 */ unsupported,
 281 /* FPEXT_F64_PPCF128 */ unsupported,
 282 /* FPEXT_F64_F128 */ func_iPTR_f64,
 283 /* FPEXT_F32_F128 */ func_iPTR_f32,
 284 /* FPEXT_F32_F64 */ f64_func_f32,
 285 /* FPEXT_F16_F32 */ f32_func_i16,
 286 /* FPROUND_F32_F16 */ i16_func_f32,
 287 /* FPROUND_F64_F16 */ unsupported,
 288 /* FPROUND_F80_F16 */ unsupported,
 289 /* FPROUND_F128_F16 */ unsupported,
 290 /* FPROUND_PPCF128_F16 */ unsupported,
 291 /* FPROUND_F64_F32 */ f32_func_f64,
 292 /* FPROUND_F80_F32 */ unsupported,
 293 /* FPROUND_F128_F32 */ f32_func_i64_i64,
 294 /* FPROUND_PPCF128_F32 */ unsupported,
 295 /* FPROUND_F80_F64 */ unsupported,
 296 /* FPROUND_F128_F64 */ f64_func_i64_i64,
 297 /* FPROUND_PPCF128_F64 */ unsupported,
 298 /* FPTOSINT_F32_I32 */ i32_func_f32,
 299 /* FPTOSINT_F32_I64 */ i64_func_f32,
 300 /* FPTOSINT_F32_I128 */ i64_i64_func_f32,
 301 /* FPTOSINT_F64_I32 */ i32_func_f64,
 302 /* FPTOSINT_F64_I64 */ i64_func_f64,
 303 /* FPTOSINT_F64_I128 */ i64_i64_func_f64,
 304 /* FPTOSINT_F80_I32 */ unsupported,
 305 /* FPTOSINT_F80_I64 */ unsupported,
 306 /* FPTOSINT_F80_I128 */ unsupported,
 307 /* FPTOSINT_F128_I32 */ i32_func_i64_i64,
 308 /* FPTOSINT_F128_I64 */ i64_func_i64_i64,
 309 /* FPTOSINT_F128_I128 */ i64_i64_func_i64_i64,
 310 /* FPTOSINT_PPCF128_I32 */ unsupported,
 311 /* FPTOSINT_PPCF128_I64 */ unsupported,
 312 /* FPTOSINT_PPCF128_I128 */ unsupported,
 313 /* FPTOUINT_F32_I32 */ i32_func_f32,
 314 /* FPTOUINT_F32_I64 */ i64_func_f32,
 315 /* FPTOUINT_F32_I128 */ i64_i64_func_f32,
 316 /* FPTOUINT_F64_I32 */ i32_func_f64,
 317 /* FPTOUINT_F64_I64 */ i64_func_f64,
 318 /* FPTOUINT_F64_I128 */ i64_i64_func_f64,
 319 /* FPTOUINT_F80_I32 */ unsupported,
 320 /* FPTOUINT_F80_I64 */ unsupported,
 321 /* FPTOUINT_F80_I128 */ unsupported,
 322 /* FPTOUINT_F128_I32 */ i32_func_i64_i64,
 323 /* FPTOUINT_F128_I64 */ i64_func_i64_i64,
 324 /* FPTOUINT_F128_I128 */ i64_i64_func_i64_i64,
 325 /* FPTOUINT_PPCF128_I32 */ unsupported,
 326 /* FPTOUINT_PPCF128_I64 */ unsupported,
 327 /* FPTOUINT_PPCF128_I128 */ unsupported,
 328 /* SINTTOFP_I32_F32 */ f32_func_i32,
 329 /* SINTTOFP_I32_F64 */ f64_func_i32,
 330 /* SINTTOFP_I32_F80 */ unsupported,
 331 /* SINTTOFP_I32_F128 */ func_iPTR_i32,
 332 /* SINTTOFP_I32_PPCF128 */ unsupported,
 333 /* SINTTOFP_I64_F32 */ f32_func_i64,
 334 /* SINTTOFP_I64_F64 */ f64_func_i64,
 335 /* SINTTOFP_I64_F80 */ unsupported,
 336 /* SINTTOFP_I64_F128 */ func_iPTR_i64,
 337 /* SINTTOFP_I64_PPCF128 */ unsupported,
 338 /* SINTTOFP_I128_F32 */ f32_func_i64_i64,
 339 /* SINTTOFP_I128_F64 */ f64_func_i64_i64,
 340 /* SINTTOFP_I128_F80 */ unsupported,
 341 /* SINTTOFP_I128_F128 */ func_iPTR_i64_i64,
 342 /* SINTTOFP_I128_PPCF128 */ unsupported,
 343 /* UINTTOFP_I32_F32 */ f32_func_i32,
 344 /* UINTTOFP_I32_F64 */ f64_func_i64,
 345 /* UINTTOFP_I32_F80 */ unsupported,
 346 /* UINTTOFP_I32_F128 */ func_iPTR_i32,
 347 /* UINTTOFP_I32_PPCF128 */ unsupported,
 348 /* UINTTOFP_I64_F32 */ f32_func_i64,
 349 /* UINTTOFP_I64_F64 */ f64_func_i64,
 350 /* UINTTOFP_I64_F80 */ unsupported,
 351 /* UINTTOFP_I64_F128 */ func_iPTR_i64,
 352 /* UINTTOFP_I64_PPCF128 */ unsupported,
 353 /* UINTTOFP_I128_F32 */ f32_func_i64_i64,
 354 /* UINTTOFP_I128_F64 */ f64_func_i64_i64,
 355 /* UINTTOFP_I128_F80 */ unsupported,
 356 /* UINTTOFP_I128_F128 */ func_iPTR_i64_i64,
 357 /* UINTTOFP_I128_PPCF128 */ unsupported,
 358
 359 // COMPARISON
 360 /* OEQ_F32 */ i32_func_f32_f32,
 361 /* OEQ_F64 */ i32_func_f64_f64,
 362 /* OEQ_F128 */ i32_func_i64_i64_i64_i64,
 363 /* OEQ_PPCF128 */ unsupported,
 364 /* UNE_F32 */ i32_func_f32_f32,
 365 /* UNE_F64 */ i32_func_f64_f64,
 366 /* UNE_F128 */ i32_func_i64_i64_i64_i64,
 367 /* UNE_PPCF128 */ unsupported,
 368 /* OGE_F32 */ i32_func_f32_f32,
 369 /* OGE_F64 */ i32_func_f64_f64,
 370 /* OGE_F128 */ i32_func_i64_i64_i64_i64,
 371 /* OGE_PPCF128 */ unsupported,
 372 /* OLT_F32 */ i32_func_f32_f32,
 373 /* OLT_F64 */ i32_func_f64_f64,
 374 /* OLT_F128 */ i32_func_i64_i64_i64_i64,
 375 /* OLT_PPCF128 */ unsupported,
 376 /* OLE_F32 */ i32_func_f32_f32,
 377 /* OLE_F64 */ i32_func_f64_f64,
 378 /* OLE_F128 */ i32_func_i64_i64_i64_i64,
 379 /* OLE_PPCF128 */ unsupported,
 380 /* OGT_F32 */ i32_func_f32_f32,
 381 /* OGT_F64 */ i32_func_f64_f64,
 382 /* OGT_F128 */ i32_func_i64_i64_i64_i64,
 383 /* OGT_PPCF128 */ unsupported,
 384 /* UO_F32 */ i32_func_f32_f32,
 385 /* UO_F64 */ i32_func_f64_f64,
 386 /* UO_F128 */ i32_func_i64_i64_i64_i64,
 387 /* UO_PPCF128 */ unsupported,
 388 /* O_F32 */ i32_func_f32_f32,
 389 /* O_F64 */ i32_func_f64_f64,
 390 /* O_F128 */ i32_func_i64_i64_i64_i64,
 391 /* O_PPCF128 */ unsupported,
 392
 393 // MEMORY
 394 /* MEMCPY */ iPTR_func_iPTR_iPTR_iPTR,
 395 /* MEMMOVE */ iPTR_func_iPTR_iPTR_iPTR,
 396 /* MEMSET */ iPTR_func_iPTR_i32_iPTR,
 397 /* BZERO */ unsupported,
 398
 399 // ELEMENT-WISE ATOMIC MEMORY
 400 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_1 */ unsupported,
 401 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_2 */ unsupported,
 402 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_4 */ unsupported,
 403 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_8 */ unsupported,
 404 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_16 */ unsupported,
 405 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1 */ unsupported,
 406 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2 */ unsupported,
 407 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4 */ unsupported,
 408 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8 */ unsupported,
 409 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16 */ unsupported,
 410
 411 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_1 */ unsupported,
 412 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_2 */ unsupported,
 413 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_4 */ unsupported,
 414 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_8 */ unsupported,
 415 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_16 */ unsupported,
 416
 417 // EXCEPTION HANDLING
 418 /* UNWIND_RESUME */ unsupported,
 419
 420 // Note: there's two sets of atomics libcalls; see
 421 // <http://llvm.org/docs/Atomics.html> for more info on the
 422 // difference between them.
 423
 424 // Atomic '__sync_*' libcalls.
 425 /* SYNC_VAL_COMPARE_AND_SWAP_1 */ unsupported,
 426 /* SYNC_VAL_COMPARE_AND_SWAP_2 */ unsupported,
 427 /* SYNC_VAL_COMPARE_AND_SWAP_4 */ unsupported,
 428 /* SYNC_VAL_COMPARE_AND_SWAP_8 */ unsupported,
 429 /* SYNC_VAL_COMPARE_AND_SWAP_16 */ unsupported,
 430 /* SYNC_LOCK_TEST_AND_SET_1 */ unsupported,
 431 /* SYNC_LOCK_TEST_AND_SET_2 */ unsupported,
 432 /* SYNC_LOCK_TEST_AND_SET_4 */ unsupported,
 433 /* SYNC_LOCK_TEST_AND_SET_8 */ unsupported,
 434 /* SYNC_LOCK_TEST_AND_SET_16 */ unsupported,
 435 /* SYNC_FETCH_AND_ADD_1 */ unsupported,
 436 /* SYNC_FETCH_AND_ADD_2 */ unsupported,
 437 /* SYNC_FETCH_AND_ADD_4 */ unsupported,
 438 /* SYNC_FETCH_AND_ADD_8 */ unsupported,
 439 /* SYNC_FETCH_AND_ADD_16 */ unsupported,
 440 /* SYNC_FETCH_AND_SUB_1 */ unsupported,
 441 /* SYNC_FETCH_AND_SUB_2 */ unsupported,
 442 /* SYNC_FETCH_AND_SUB_4 */ unsupported,
 443 /* SYNC_FETCH_AND_SUB_8 */ unsupported,
 444 /* SYNC_FETCH_AND_SUB_16 */ unsupported,
 445 /* SYNC_FETCH_AND_AND_1 */ unsupported,
 446 /* SYNC_FETCH_AND_AND_2 */ unsupported,
 447 /* SYNC_FETCH_AND_AND_4 */ unsupported,
 448 /* SYNC_FETCH_AND_AND_8 */ unsupported,
 449 /* SYNC_FETCH_AND_AND_16 */ unsupported,
 450 /* SYNC_FETCH_AND_OR_1 */ unsupported,
 451 /* SYNC_FETCH_AND_OR_2 */ unsupported,
 452 /* SYNC_FETCH_AND_OR_4 */ unsupported,
 453 /* SYNC_FETCH_AND_OR_8 */ unsupported,
 454 /* SYNC_FETCH_AND_OR_16 */ unsupported,
 455 /* SYNC_FETCH_AND_XOR_1 */ unsupported,
 456 /* SYNC_FETCH_AND_XOR_2 */ unsupported,
 457 /* SYNC_FETCH_AND_XOR_4 */ unsupported,
 458 /* SYNC_FETCH_AND_XOR_8 */ unsupported,
 459 /* SYNC_FETCH_AND_XOR_16 */ unsupported,
 460 /* SYNC_FETCH_AND_NAND_1 */ unsupported,
 461 /* SYNC_FETCH_AND_NAND_2 */ unsupported,
 462 /* SYNC_FETCH_AND_NAND_4 */ unsupported,
 463 /* SYNC_FETCH_AND_NAND_8 */ unsupported,
 464 /* SYNC_FETCH_AND_NAND_16 */ unsupported,
 465 /* SYNC_FETCH_AND_MAX_1 */ unsupported,
 466 /* SYNC_FETCH_AND_MAX_2 */ unsupported,
 467 /* SYNC_FETCH_AND_MAX_4 */ unsupported,
 468 /* SYNC_FETCH_AND_MAX_8 */ unsupported,
 469 /* SYNC_FETCH_AND_MAX_16 */ unsupported,
 470 /* SYNC_FETCH_AND_UMAX_1 */ unsupported,
 471 /* SYNC_FETCH_AND_UMAX_2 */ unsupported,
 472 /* SYNC_FETCH_AND_UMAX_4 */ unsupported,
 473 /* SYNC_FETCH_AND_UMAX_8 */ unsupported,
 474 /* SYNC_FETCH_AND_UMAX_16 */ unsupported,
 475 /* SYNC_FETCH_AND_MIN_1 */ unsupported,
 476 /* SYNC_FETCH_AND_MIN_2 */ unsupported,
 477 /* SYNC_FETCH_AND_MIN_4 */ unsupported,
 478 /* SYNC_FETCH_AND_MIN_8 */ unsupported,
 479 /* SYNC_FETCH_AND_MIN_16 */ unsupported,
 480 /* SYNC_FETCH_AND_UMIN_1 */ unsupported,
 481 /* SYNC_FETCH_AND_UMIN_2 */ unsupported,
 482 /* SYNC_FETCH_AND_UMIN_4 */ unsupported,
 483 /* SYNC_FETCH_AND_UMIN_8 */ unsupported,
 484 /* SYNC_FETCH_AND_UMIN_16 */ unsupported,
 485
 486 // Atomic '__atomic_*' libcalls.
 487 /* ATOMIC_LOAD */ unsupported,
 488 /* ATOMIC_LOAD_1 */ unsupported,
 489 /* ATOMIC_LOAD_2 */ unsupported,
 490 /* ATOMIC_LOAD_4 */ unsupported,
 491 /* ATOMIC_LOAD_8 */ unsupported,
 492 /* ATOMIC_LOAD_16 */ unsupported,
 493
 494 /* ATOMIC_STORE */ unsupported,
 495 /* ATOMIC_STORE_1 */ unsupported,
 496 /* ATOMIC_STORE_2 */ unsupported,
 497 /* ATOMIC_STORE_4 */ unsupported,
 498 /* ATOMIC_STORE_8 */ unsupported,
 499 /* ATOMIC_STORE_16 */ unsupported,
 500
 501 /* ATOMIC_EXCHANGE */ unsupported,
 502 /* ATOMIC_EXCHANGE_1 */ unsupported,
 503 /* ATOMIC_EXCHANGE_2 */ unsupported,
 504 /* ATOMIC_EXCHANGE_4 */ unsupported,
 505 /* ATOMIC_EXCHANGE_8 */ unsupported,
 506 /* ATOMIC_EXCHANGE_16 */ unsupported,
 507
 508 /* ATOMIC_COMPARE_EXCHANGE */ unsupported,
 509 /* ATOMIC_COMPARE_EXCHANGE_1 */ unsupported,
 510 /* ATOMIC_COMPARE_EXCHANGE_2 */ unsupported,
 511 /* ATOMIC_COMPARE_EXCHANGE_4 */ unsupported,
 512 /* ATOMIC_COMPARE_EXCHANGE_8 */ unsupported,
 513 /* ATOMIC_COMPARE_EXCHANGE_16 */ unsupported,
 514
 515 /* ATOMIC_FETCH_ADD_1 */ unsupported,
 516 /* ATOMIC_FETCH_ADD_2 */ unsupported,
 517 /* ATOMIC_FETCH_ADD_4 */ unsupported,
 518 /* ATOMIC_FETCH_ADD_8 */ unsupported,
 519 /* ATOMIC_FETCH_ADD_16 */ unsupported,
 520
 521 /* ATOMIC_FETCH_SUB_1 */ unsupported,
 522 /* ATOMIC_FETCH_SUB_2 */ unsupported,
 523 /* ATOMIC_FETCH_SUB_4 */ unsupported,
 524 /* ATOMIC_FETCH_SUB_8 */ unsupported,
 525 /* ATOMIC_FETCH_SUB_16 */ unsupported,
 526
 527 /* ATOMIC_FETCH_AND_1 */ unsupported,
 528 /* ATOMIC_FETCH_AND_2 */ unsupported,
 529 /* ATOMIC_FETCH_AND_4 */ unsupported,
 530 /* ATOMIC_FETCH_AND_8 */ unsupported,
 531 /* ATOMIC_FETCH_AND_16 */ unsupported,
 532
 533 /* ATOMIC_FETCH_OR_1 */ unsupported,
 534 /* ATOMIC_FETCH_OR_2 */ unsupported,
 535 /* ATOMIC_FETCH_OR_4 */ unsupported,
 536 /* ATOMIC_FETCH_OR_8 */ unsupported,
 537 /* ATOMIC_FETCH_OR_16 */ unsupported,
 538
 539 /* ATOMIC_FETCH_XOR_1 */ unsupported,
 540 /* ATOMIC_FETCH_XOR_2 */ unsupported,
 541 /* ATOMIC_FETCH_XOR_4 */ unsupported,
 542 /* ATOMIC_FETCH_XOR_8 */ unsupported,
 543 /* ATOMIC_FETCH_XOR_16 */ unsupported,
 544
 545 /* ATOMIC_FETCH_NAND_1 */ unsupported,
 546 /* ATOMIC_FETCH_NAND_2 */ unsupported,
 547 /* ATOMIC_FETCH_NAND_4 */ unsupported,
 548 /* ATOMIC_FETCH_NAND_8 */ unsupported,
 549 /* ATOMIC_FETCH_NAND_16 */ unsupported,
 550
 551 // Stack Protector Fail.
 552 /* STACKPROTECTOR_CHECK_FAIL */ func,
 553
 554 // Deoptimization.
 555 /* DEOPTIMIZE */ unsupported,
 556
 557 };
 558
 559 static const char *
 560 RuntimeLibcallNames[RTLIB::UNKNOWN_LIBCALL] = {
 561 /* SHL_I16 */ "__ashlhi3",
 562 /* SHL_I32 */ "__ashlsi3",
 563 /* SHL_I64 */ "__ashldi3",
 564 /* SHL_I128 */ "__ashlti3",
 565 /* SRL_I16 */ "__lshrhi3",
 566 /* SRL_I32 */ "__lshrsi3",
 567 /* SRL_I64 */ "__lshrdi3",
 568 /* SRL_I128 */ "__lshrti3",
 569 /* SRA_I16 */ "__ashrhi3",
 570 /* SRA_I32 */ "__ashrsi3",
 571 /* SRA_I64 */ "__ashrdi3",
 572 /* SRA_I128 */ "__ashrti3",
 573 /* MUL_I8 */ "__mulqi3",
 574 /* MUL_I16 */ "__mulhi3",
 575 /* MUL_I32 */ "__mulsi3",
 576 /* MUL_I64 */ "__muldi3",
 577 /* MUL_I128 */ "__multi3",
 578 /* MULO_I32 */ "__mulosi4",
 579 /* MULO_I64 */ "__mulodi4",
 580 /* MULO_I128 */ "__muloti4",
 581 /* SDIV_I8 */ "__divqi3",
 582 /* SDIV_I16 */ "__divhi3",
 583 /* SDIV_I32 */ "__divsi3",
 584 /* SDIV_I64 */ "__divdi3",
 585 /* SDIV_I128 */ "__divti3",
 586 /* UDIV_I8 */ "__udivqi3",
 587 /* UDIV_I16 */ "__udivhi3",
 588 /* UDIV_I32 */ "__udivsi3",
 589 /* UDIV_I64 */ "__udivdi3",
 590 /* UDIV_I128 */ "__udivti3",
 591 /* SREM_I8 */ "__modqi3",
 592 /* SREM_I16 */ "__modhi3",
 593 /* SREM_I32 */ "__modsi3",
 594 /* SREM_I64 */ "__moddi3",
 595 /* SREM_I128 */ "__modti3",
 596 /* UREM_I8 */ "__umodqi3",
 597 /* UREM_I16 */ "__umodhi3",
 598 /* UREM_I32 */ "__umodsi3",
 599 /* UREM_I64 */ "__umoddi3",
 600 /* UREM_I128 */ "__umodti3",
 601 /* SDIVREM_I8 */ nullptr,
 602 /* SDIVREM_I16 */ nullptr,
 603 /* SDIVREM_I32 */ nullptr,
 604 /* SDIVREM_I64 */ nullptr,
 605 /* SDIVREM_I128 */ nullptr,
 606 /* UDIVREM_I8 */ nullptr,
 607 /* UDIVREM_I16 */ nullptr,
 608 /* UDIVREM_I32 */ nullptr,
 609 /* UDIVREM_I64 */ nullptr,
 610 /* UDIVREM_I128 */ nullptr,
 611 /* NEG_I32 */ "__negsi2",
 612 /* NEG_I64 */ "__negdi2",
 613 /* ADD_F32 */ "__addsf3",
 614 /* ADD_F64 */ "__adddf3",
 615 /* ADD_F80 */ nullptr,
 616 /* ADD_F128 */ "__addtf3",
 617 /* ADD_PPCF128 */ nullptr,
 618 /* SUB_F32 */ "__subsf3",
 619 /* SUB_F64 */ "__subdf3",
 620 /* SUB_F80 */ nullptr,
 621 /* SUB_F128 */ "__subtf3",
 622 /* SUB_PPCF128 */ nullptr,
 623 /* MUL_F32 */ "__mulsf3",
 624 /* MUL_F64 */ "__muldf3",
 625 /* MUL_F80 */ nullptr,
 626 /* MUL_F128 */ "__multf3",
 627 /* MUL_PPCF128 */ nullptr,
 628 /* DIV_F32 */ "__divsf3",
 629 /* DIV_F64 */ "__divdf3",
 630 /* DIV_F80 */ nullptr,
 631 /* DIV_F128 */ "__divtf3",
 632 /* DIV_PPCF128 */ nullptr,
 633 /* REM_F32 */ "fmodf",
 634 /* REM_F64 */ "fmod",
 635 /* REM_F80 */ nullptr,
 636 /* REM_F128 */ "fmodl",
 637 /* REM_PPCF128 */ nullptr,
 638 /* FMA_F32 */ "fmaf",
 639 /* FMA_F64 */ "fma",
 640 /* FMA_F80 */ nullptr,
 641 /* FMA_F128 */ "fmal",
 642 /* FMA_PPCF128 */ nullptr,
 643 /* POWI_F32 */ "__powisf2",
 644 /* POWI_F64 */ "__powidf2",
 645 /* POWI_F80 */ nullptr,
 646 /* POWI_F128 */ "__powitf2",
 647 /* POWI_PPCF128 */ nullptr,
 648 /* SQRT_F32 */ "sqrtf",
 649 /* SQRT_F64 */ "sqrt",
 650 /* SQRT_F80 */ nullptr,
 651 /* SQRT_F128 */ "sqrtl",
 652 /* SQRT_PPCF128 */ nullptr,
 653 /* LOG_F32 */ "logf",
 654 /* LOG_F64 */ "log",
 655 /* LOG_F80 */ nullptr,
 656 /* LOG_F128 */ "logl",
 657 /* LOG_PPCF128 */ nullptr,
 658 /* LOG2_F32 */ "log2f",
 659 /* LOG2_F64 */ "log2",
 660 /* LOG2_F80 */ nullptr,
 661 /* LOG2_F128 */ "log2l",
 662 /* LOG2_PPCF128 */ nullptr,
 663 /* LOG10_F32 */ "log10f",
 664 /* LOG10_F64 */ "log10",
 665 /* LOG10_F80 */ nullptr,
 666 /* LOG10_F128 */ "log10l",
 667 /* LOG10_PPCF128 */ nullptr,
 668 /* EXP_F32 */ "expf",
 669 /* EXP_F64 */ "exp",
 670 /* EXP_F80 */ nullptr,
 671 /* EXP_F128 */ "expl",
 672 /* EXP_PPCF128 */ nullptr,
 673 /* EXP2_F32 */ "exp2f",
 674 /* EXP2_F64 */ "exp2",
 675 /* EXP2_F80 */ nullptr,
 676 /* EXP2_F128 */ "exp2l",
 677 /* EXP2_PPCF128 */ nullptr,
 678 /* SIN_F32 */ "sinf",
 679 /* SIN_F64 */ "sin",
 680 /* SIN_F80 */ nullptr,
 681 /* SIN_F128 */ "sinl",
 682 /* SIN_PPCF128 */ nullptr,
 683 /* COS_F32 */ "cosf",
 684 /* COS_F64 */ "cos",
 685 /* COS_F80 */ nullptr,
 686 /* COS_F128 */ "cosl",
 687 /* COS_PPCF128 */ nullptr,
 688 /* SINCOS_F32 */ "sincosf",
 689 /* SINCOS_F64 */ "sincos",
 690 /* SINCOS_F80 */ nullptr,
 691 /* SINCOS_F128 */ "sincosl",
 692 /* SINCOS_PPCF128 */ nullptr,
 693 /* SINCOS_STRET_F32 */ nullptr,
 694 /* SINCOS_STRET_F64 */ nullptr,
 695 /* POW_F32 */ "powf",
 696 /* POW_F64 */ "pow",
 697 /* POW_F80 */ nullptr,
 698 /* POW_F128 */ "powl",
 699 /* POW_PPCF128 */ nullptr,
 700 /* CEIL_F32 */ "ceilf",
 701 /* CEIL_F64 */ "ceil",
 702 /* CEIL_F80 */ nullptr,
 703 /* CEIL_F128 */ "ceill",
 704 /* CEIL_PPCF128 */ nullptr,
 705 /* TRUNC_F32 */ "truncf",
 706 /* TRUNC_F64 */ "trunc",
 707 /* TRUNC_F80 */ nullptr,
 708 /* TRUNC_F128 */ "truncl",
 709 /* TRUNC_PPCF128 */ nullptr,
 710 /* RINT_F32 */ "rintf",
 711 /* RINT_F64 */ "rint",
 712 /* RINT_F80 */ nullptr,
 713 /* RINT_F128 */ "rintl",
 714 /* RINT_PPCF128 */ nullptr,
 715 /* NEARBYINT_F32 */ "nearbyintf",
 716 /* NEARBYINT_F64 */ "nearbyint",
 717 /* NEARBYINT_F80 */ nullptr,
 718 /* NEARBYINT_F128 */ "nearbyintl",
 719 /* NEARBYINT_PPCF128 */ nullptr,
 720 /* ROUND_F32 */ "roundf",
 721 /* ROUND_F64 */ "round",
 722 /* ROUND_F80 */ nullptr,
 723 /* ROUND_F128 */ "roundl",
 724 /* ROUND_PPCF128 */ nullptr,
 725 /* FLOOR_F32 */ "floorf",
 726 /* FLOOR_F64 */ "floor",
 727 /* FLOOR_F80 */ nullptr,
 728 /* FLOOR_F128 */ "floorl",
 729 /* FLOOR_PPCF128 */ nullptr,
 730 /* COPYSIGN_F32 */ "copysignf",
 731 /* COPYSIGN_F64 */ "copysign",
 732 /* COPYSIGN_F80 */ nullptr,
 733 /* COPYSIGN_F128 */ "copysignl",
 734 /* COPYSIGN_PPCF128 */ nullptr,
 735 /* FMIN_F32 */ "fminf",
 736 /* FMIN_F64 */ "fmin",
 737 /* FMIN_F80 */ nullptr,
 738 /* FMIN_F128 */ "fminl",
 739 /* FMIN_PPCF128 */ nullptr,
 740 /* FMAX_F32 */ "fmaxf",
 741 /* FMAX_F64 */ "fmax",
 742 /* FMAX_F80 */ nullptr,
 743 /* FMAX_F128 */ "fmaxl",
 744 /* FMAX_PPCF128 */ nullptr,
 745 /* FPEXT_F32_PPCF128 */ nullptr,
 746 /* FPEXT_F64_PPCF128 */ nullptr,
 747 /* FPEXT_F64_F128 */ "__extenddftf2",
 748 /* FPEXT_F32_F128 */ "__extendsftf2",
 749 /* FPEXT_F32_F64 */ "__extendsfdf2",
 750 /* FPEXT_F16_F32 */ "__gnu_h2f_ieee",
 751 /* FPROUND_F32_F16 */ "__gnu_f2h_ieee",
 752 /* FPROUND_F64_F16 */ nullptr,
 753 /* FPROUND_F80_F16 */ nullptr,
 754 /* FPROUND_F128_F16 */ nullptr,
 755 /* FPROUND_PPCF128_F16 */ nullptr,
 756 /* FPROUND_F64_F32 */ "__truncdfsf2",
 757 /* FPROUND_F80_F32 */ "__truncxfsf2",
 758 /* FPROUND_F128_F32 */ "__trunctfsf2",
 759 /* FPROUND_PPCF128_F32 */ nullptr,
 760 /* FPROUND_F80_F64 */ "__truncxfdf2",
 761 /* FPROUND_F128_F64 */ "__trunctfdf2",
 762 /* FPROUND_PPCF128_F64 */ nullptr,
 763 /* FPTOSINT_F32_I32 */ "__fixsfsi",
 764 /* FPTOSINT_F32_I64 */ "__fixsfdi",
 765 /* FPTOSINT_F32_I128 */ "__fixsfti",
 766 /* FPTOSINT_F64_I32 */ "__fixdfsi",
 767 /* FPTOSINT_F64_I64 */ "__fixdfdi",
 768 /* FPTOSINT_F64_I128 */ "__fixdfti",
 769 /* FPTOSINT_F80_I32 */ "__fixxfsi",
 770 /* FPTOSINT_F80_I64 */ "__fixxfdi",
 771 /* FPTOSINT_F80_I128 */ "__fixxfti",
 772 /* FPTOSINT_F128_I32 */ "__fixtfsi",
 773 /* FPTOSINT_F128_I64 */ "__fixtfdi",
 774 /* FPTOSINT_F128_I128 */ "__fixtfti",
 775 /* FPTOSINT_PPCF128_I32 */ nullptr,
 776 /* FPTOSINT_PPCF128_I64 */ nullptr,
 777 /* FPTOSINT_PPCF128_I128 */ nullptr,
 778 /* FPTOUINT_F32_I32 */ "__fixunssfsi",
 779 /* FPTOUINT_F32_I64 */ "__fixunssfdi",
 780 /* FPTOUINT_F32_I128 */ "__fixunssfti",
 781 /* FPTOUINT_F64_I32 */ "__fixunsdfsi",
 782 /* FPTOUINT_F64_I64 */ "__fixunsdfdi",
 783 /* FPTOUINT_F64_I128 */ "__fixunsdfti",
 784 /* FPTOUINT_F80_I32 */ "__fixunsxfsi",
 785 /* FPTOUINT_F80_I64 */ "__fixunsxfdi",
 786 /* FPTOUINT_F80_I128 */ "__fixunsxfti",
 787 /* FPTOUINT_F128_I32 */ "__fixunstfsi",
 788 /* FPTOUINT_F128_I64 */ "__fixunstfdi",
 789 /* FPTOUINT_F128_I128 */ "__fixunstfti",
 790 /* FPTOUINT_PPCF128_I32 */ nullptr,
 791 /* FPTOUINT_PPCF128_I64 */ nullptr,
 792 /* FPTOUINT_PPCF128_I128 */ nullptr,
 793 /* SINTTOFP_I32_F32 */ "__floatsisf",
 794 /* SINTTOFP_I32_F64 */ "__floatsidf",
 795 /* SINTTOFP_I32_F80 */ nullptr,
 796 /* SINTTOFP_I32_F128 */ "__floatsitf",
 797 /* SINTTOFP_I32_PPCF128 */ nullptr,
 798 /* SINTTOFP_I64_F32 */ "__floatdisf",
 799 /* SINTTOFP_I64_F64 */ "__floatdidf",
 800 /* SINTTOFP_I64_F80 */ nullptr,
 801 /* SINTTOFP_I64_F128 */ "__floatditf",
 802 /* SINTTOFP_I64_PPCF128 */ nullptr,
 803 /* SINTTOFP_I128_F32 */ "__floattisf",
 804 /* SINTTOFP_I128_F64 */ "__floattidf",
 805 /* SINTTOFP_I128_F80 */ nullptr,
 806 /* SINTTOFP_I128_F128 */ "__floattitf",
 807 /* SINTTOFP_I128_PPCF128 */ nullptr,
 808 /* UINTTOFP_I32_F32 */ "__floatunsisf",
 809 /* UINTTOFP_I32_F64 */ "__floatunsidf",
 810 /* UINTTOFP_I32_F80 */ nullptr,
 811 /* UINTTOFP_I32_F128 */ "__floatunsitf",
 812 /* UINTTOFP_I32_PPCF128 */ nullptr,
 813 /* UINTTOFP_I64_F32 */ "__floatundisf",
 814 /* UINTTOFP_I64_F64 */ "__floatundidf",
 815 /* UINTTOFP_I64_F80 */ nullptr,
 816 /* UINTTOFP_I64_F128 */ "__floatunditf",
 817 /* UINTTOFP_I64_PPCF128 */ nullptr,
 818 /* UINTTOFP_I128_F32 */ "__floatuntisf",
 819 /* UINTTOFP_I128_F64 */ "__floatuntidf",
 820 /* UINTTOFP_I128_F80 */ nullptr,
 821 /* UINTTOFP_I128_F128 */ "__floatuntitf",
 822 /* UINTTOFP_I128_PPCF128 */ nullptr,
 823 /* OEQ_F32 */ "__eqsf2",
 824 /* OEQ_F64 */ "__eqdf2",
 825 /* OEQ_F128 */ "__eqtf2",
 826 /* OEQ_PPCF128 */ nullptr,
 827 /* UNE_F32 */ "__nesf2",
 828 /* UNE_F64 */ "__nedf2",
 829 /* UNE_F128 */ "__netf2",
 830 /* UNE_PPCF128 */ nullptr,
 831 /* OGE_F32 */ "__gesf2",
 832 /* OGE_F64 */ "__gedf2",
 833 /* OGE_F128 */ "__getf2",
 834 /* OGE_PPCF128 */ nullptr,
 835 /* OLT_F32 */ "__ltsf2",
 836 /* OLT_F64 */ "__ltdf2",
 837 /* OLT_F128 */ "__lttf2",
 838 /* OLT_PPCF128 */ nullptr,
 839 /* OLE_F32 */ "__lesf2",
 840 /* OLE_F64 */ "__ledf2",
 841 /* OLE_F128 */ "__letf2",
 842 /* OLE_PPCF128 */ nullptr,
 843 /* OGT_F32 */ "__gtsf2",
 844 /* OGT_F64 */ "__gtdf2",
 845 /* OGT_F128 */ "__gttf2",
 846 /* OGT_PPCF128 */ nullptr,
 847 /* UO_F32 */ "__unordsf2",
 848 /* UO_F64 */ "__unorddf2",
 849 /* UO_F128 */ "__unordtf2",
 850 /* UO_PPCF128 */ nullptr,
 851 /* O_F32 */ "__unordsf2",
 852 /* O_F64 */ "__unorddf2",
 853 /* O_F128 */ "__unordtf2",
 854 /* O_PPCF128 */ nullptr,
 855 /* MEMCPY */ "memcpy",
 856 /* MEMMOVE */ "memset",
 857 /* MEMSET */ "memmove",
 858 /* BZERO */ nullptr,
 859 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_1 */ nullptr,
 860 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_2 */ nullptr,
 861 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_4 */ nullptr,
 862 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_8 */ nullptr,
 863 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_16 */ nullptr,
 864 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1 */ nullptr,
 865 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2 */ nullptr,
 866 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4 */ nullptr,
 867 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8 */ nullptr,
 868 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16 */ nullptr,
 869 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_1 */ nullptr,
 870 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_2 */ nullptr,
 871 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_4 */ nullptr,
 872 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_8 */ nullptr,
 873 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_16 */ nullptr,
 874 /* UNWIND_RESUME */ "_Unwind_Resume",
 875 /* SYNC_VAL_COMPARE_AND_SWAP_1 */ "__sync_val_compare_and_swap_1",
 876 /* SYNC_VAL_COMPARE_AND_SWAP_2 */ "__sync_val_compare_and_swap_2",
 877 /* SYNC_VAL_COMPARE_AND_SWAP_4 */ "__sync_val_compare_and_swap_4",
 878 /* SYNC_VAL_COMPARE_AND_SWAP_8 */ "__sync_val_compare_and_swap_8",
 879 /* SYNC_VAL_COMPARE_AND_SWAP_16 */ "__sync_val_compare_and_swap_16",
 880 /* SYNC_LOCK_TEST_AND_SET_1 */ "__sync_lock_test_and_set_1",
 881 /* SYNC_LOCK_TEST_AND_SET_2 */ "__sync_lock_test_and_set_2",
 882 /* SYNC_LOCK_TEST_AND_SET_4 */ "__sync_lock_test_and_set_4",
 883 /* SYNC_LOCK_TEST_AND_SET_8 */ "__sync_lock_test_and_set_8",
 884 /* SYNC_LOCK_TEST_AND_SET_16 */ "__sync_lock_test_and_set_16",
 885 /* SYNC_FETCH_AND_ADD_1 */ "__sync_fetch_and_add_1",
 886 /* SYNC_FETCH_AND_ADD_2 */ "__sync_fetch_and_add_2",
 887 /* SYNC_FETCH_AND_ADD_4 */ "__sync_fetch_and_add_4",
 888 /* SYNC_FETCH_AND_ADD_8 */ "__sync_fetch_and_add_8",
 889 /* SYNC_FETCH_AND_ADD_16 */ "__sync_fetch_and_add_16",
 890 /* SYNC_FETCH_AND_SUB_1 */ "__sync_fetch_and_sub_1",
 891 /* SYNC_FETCH_AND_SUB_2 */ "__sync_fetch_and_sub_2",
 892 /* SYNC_FETCH_AND_SUB_4 */ "__sync_fetch_and_sub_4",
 893 /* SYNC_FETCH_AND_SUB_8 */ "__sync_fetch_and_sub_8",
 894 /* SYNC_FETCH_AND_SUB_16 */ "__sync_fetch_and_sub_16",
 895 /* SYNC_FETCH_AND_AND_1 */ "__sync_fetch_and_and_1",
 896 /* SYNC_FETCH_AND_AND_2 */ "__sync_fetch_and_and_2",
 897 /* SYNC_FETCH_AND_AND_4 */ "__sync_fetch_and_and_4",
 898 /* SYNC_FETCH_AND_AND_8 */ "__sync_fetch_and_and_8",
 899 /* SYNC_FETCH_AND_AND_16 */ "__sync_fetch_and_and_16",
 900 /* SYNC_FETCH_AND_OR_1 */ "__sync_fetch_and_or_1",
 901 /* SYNC_FETCH_AND_OR_2 */ "__sync_fetch_and_or_2",
 902 /* SYNC_FETCH_AND_OR_4 */ "__sync_fetch_and_or_4",
 903 /* SYNC_FETCH_AND_OR_8 */ "__sync_fetch_and_or_8",
 904 /* SYNC_FETCH_AND_OR_16 */ "__sync_fetch_and_or_16",
 905 /* SYNC_FETCH_AND_XOR_1 */ "__sync_fetch_and_xor_1",
 906 /* SYNC_FETCH_AND_XOR_2 */ "__sync_fetch_and_xor_2",
 907 /* SYNC_FETCH_AND_XOR_4 */ "__sync_fetch_and_xor_4",
 908 /* SYNC_FETCH_AND_XOR_8 */ "__sync_fetch_and_xor_8",
 909 /* SYNC_FETCH_AND_XOR_16 */ "__sync_fetch_and_xor_16",
 910 /* SYNC_FETCH_AND_NAND_1 */ "__sync_fetch_and_nand_1",
 911 /* SYNC_FETCH_AND_NAND_2 */ "__sync_fetch_and_nand_2",
 912 /* SYNC_FETCH_AND_NAND_4 */ "__sync_fetch_and_nand_4",
 913 /* SYNC_FETCH_AND_NAND_8 */ "__sync_fetch_and_nand_8",
 914 /* SYNC_FETCH_AND_NAND_16 */ "__sync_fetch_and_nand_16",
 915 /* SYNC_FETCH_AND_MAX_1 */ "__sync_fetch_and_max_1",
 916 /* SYNC_FETCH_AND_MAX_2 */ "__sync_fetch_and_max_2",
 917 /* SYNC_FETCH_AND_MAX_4 */ "__sync_fetch_and_max_4",
 918 /* SYNC_FETCH_AND_MAX_8 */ "__sync_fetch_and_max_8",
 919 /* SYNC_FETCH_AND_MAX_16 */ "__sync_fetch_and_max_16",
 920 /* SYNC_FETCH_AND_UMAX_1 */ "__sync_fetch_and_umax_1",
 921 /* SYNC_FETCH_AND_UMAX_2 */ "__sync_fetch_and_umax_2",
 922 /* SYNC_FETCH_AND_UMAX_4 */ "__sync_fetch_and_umax_4",
 923 /* SYNC_FETCH_AND_UMAX_8 */ "__sync_fetch_and_umax_8",
 924 /* SYNC_FETCH_AND_UMAX_16 */ "__sync_fetch_and_umax_16",
 925 /* SYNC_FETCH_AND_MIN_1 */ "__sync_fetch_and_min_1",
 926 /* SYNC_FETCH_AND_MIN_2 */ "__sync_fetch_and_min_2",
 927 /* SYNC_FETCH_AND_MIN_4 */ "__sync_fetch_and_min_4",
 928 /* SYNC_FETCH_AND_MIN_8 */ "__sync_fetch_and_min_8",
 929 /* SYNC_FETCH_AND_MIN_16 */ "__sync_fetch_and_min_16",
 930 /* SYNC_FETCH_AND_UMIN_1 */ "__sync_fetch_and_umin_1",
 931 /* SYNC_FETCH_AND_UMIN_2 */ "__sync_fetch_and_umin_2",
 932 /* SYNC_FETCH_AND_UMIN_4 */ "__sync_fetch_and_umin_4",
 933 /* SYNC_FETCH_AND_UMIN_8 */ "__sync_fetch_and_umin_8",
 934 /* SYNC_FETCH_AND_UMIN_16 */ "__sync_fetch_and_umin_16",
 935
 936 /* ATOMIC_LOAD */ "__atomic_load",
 937 /* ATOMIC_LOAD_1 */ "__atomic_load_1",
 938 /* ATOMIC_LOAD_2 */ "__atomic_load_2",
 939 /* ATOMIC_LOAD_4 */ "__atomic_load_4",
 940 /* ATOMIC_LOAD_8 */ "__atomic_load_8",
 941 /* ATOMIC_LOAD_16 */ "__atomic_load_16",
 942
 943 /* ATOMIC_STORE */ "__atomic_store",
 944 /* ATOMIC_STORE_1 */ "__atomic_store_1",
 945 /* ATOMIC_STORE_2 */ "__atomic_store_2",
 946 /* ATOMIC_STORE_4 */ "__atomic_store_4",
 947 /* ATOMIC_STORE_8 */ "__atomic_store_8",
 948 /* ATOMIC_STORE_16 */ "__atomic_store_16",
 949
 950 /* ATOMIC_EXCHANGE */ "__atomic_exchange",
 951 /* ATOMIC_EXCHANGE_1 */ "__atomic_exchange_1",
 952 /* ATOMIC_EXCHANGE_2 */ "__atomic_exchange_2",
 953 /* ATOMIC_EXCHANGE_4 */ "__atomic_exchange_4",
 954 /* ATOMIC_EXCHANGE_8 */ "__atomic_exchange_8",
 955 /* ATOMIC_EXCHANGE_16 */ "__atomic_exchange_16",
 956
 957 /* ATOMIC_COMPARE_EXCHANGE */ "__atomic_compare_exchange",
 958 /* ATOMIC_COMPARE_EXCHANGE_1 */ "__atomic_compare_exchange_1",
 959 /* ATOMIC_COMPARE_EXCHANGE_2 */ "__atomic_compare_exchange_2",
 960 /* ATOMIC_COMPARE_EXCHANGE_4 */ "__atomic_compare_exchange_4",
 961 /* ATOMIC_COMPARE_EXCHANGE_8 */ "__atomic_compare_exchange_8",
 962 /* ATOMIC_COMPARE_EXCHANGE_16 */ "__atomic_compare_exchange_16",
 963
 964 /* ATOMIC_FETCH_ADD_1 */ "__atomic_fetch_add_1",
 965 /* ATOMIC_FETCH_ADD_2 */ "__atomic_fetch_add_2",
 966 /* ATOMIC_FETCH_ADD_4 */ "__atomic_fetch_add_4",
 967 /* ATOMIC_FETCH_ADD_8 */ "__atomic_fetch_add_8",
 968 /* ATOMIC_FETCH_ADD_16 */ "__atomic_fetch_add_16",
 969 /* ATOMIC_FETCH_SUB_1 */ "__atomic_fetch_sub_1",
 970 /* ATOMIC_FETCH_SUB_2 */ "__atomic_fetch_sub_2",
 971 /* ATOMIC_FETCH_SUB_4 */ "__atomic_fetch_sub_4",
 972 /* ATOMIC_FETCH_SUB_8 */ "__atomic_fetch_sub_8",
 973 /* ATOMIC_FETCH_SUB_16 */ "__atomic_fetch_sub_16",
 974 /* ATOMIC_FETCH_AND_1 */ "__atomic_fetch_and_1",
 975 /* ATOMIC_FETCH_AND_2 */ "__atomic_fetch_and_2",
 976 /* ATOMIC_FETCH_AND_4 */ "__atomic_fetch_and_4",
 977 /* ATOMIC_FETCH_AND_8 */ "__atomic_fetch_and_8",
 978 /* ATOMIC_FETCH_AND_16 */ "__atomic_fetch_and_16",
 979 /* ATOMIC_FETCH_OR_1 */ "__atomic_fetch_or_1",
 980 /* ATOMIC_FETCH_OR_2 */ "__atomic_fetch_or_2",
 981 /* ATOMIC_FETCH_OR_4 */ "__atomic_fetch_or_4",
 982 /* ATOMIC_FETCH_OR_8 */ "__atomic_fetch_or_8",
 983 /* ATOMIC_FETCH_OR_16 */ "__atomic_fetch_or_16",
 984 /* ATOMIC_FETCH_XOR_1 */ "__atomic_fetch_xor_1",
 985 /* ATOMIC_FETCH_XOR_2 */ "__atomic_fetch_xor_2",
 986 /* ATOMIC_FETCH_XOR_4 */ "__atomic_fetch_xor_4",
 987 /* ATOMIC_FETCH_XOR_8 */ "__atomic_fetch_xor_8",
 988 /* ATOMIC_FETCH_XOR_16 */ "__atomic_fetch_xor_16",
 989 /* ATOMIC_FETCH_NAND_1 */ "__atomic_fetch_nand_1",
 990 /* ATOMIC_FETCH_NAND_2 */ "__atomic_fetch_nand_2",
 991 /* ATOMIC_FETCH_NAND_4 */ "__atomic_fetch_nand_4",
 992 /* ATOMIC_FETCH_NAND_8 */ "__atomic_fetch_nand_8",
 993 /* ATOMIC_FETCH_NAND_16 */ "__atomic_fetch_nand_16",
 994
 995 /* STACKPROTECTOR_CHECK_FAIL */ "__stack_chk_fail",
 996
 997 /* DEOPTIMIZE */ "__llvm_deoptimize",
 998 };
 999
1000 void llvm::GetSignature(const WebAssemblySubtarget &Subtarget,
1001                         RTLIB::Libcall LC, SmallVectorImpl<wasm::ValType> &Rets,
1002                         SmallVectorImpl<wasm::ValType> &Params) {
1003   assert(Rets.empty());
1004   assert(Params.empty());
1005
1006   WebAssembly::ExprType iPTR = Subtarget.hasAddr64() ?
1007                                WebAssembly::ExprType::I64 :
1008                                WebAssembly::ExprType::I32;
1009
1010   switch (RuntimeLibcallSignatures[LC]) {
1011   case func:
1012     break;
1013   case f32_func_f32:
1014     Rets.push_back(wasm::ValType::F32);
1015     Params.push_back(wasm::ValType::F32);
1016     break;
1017   case f32_func_f64:
1018     Rets.push_back(wasm::ValType::F32);
1019     Params.push_back(wasm::ValType::F64);
1020     break;
1021   case f32_func_i32:
1022     Rets.push_back(wasm::ValType::F32);
1023     Params.push_back(wasm::ValType::I32);
1024     break;
1025   case f32_func_i64:
1026     Rets.push_back(wasm::ValType::F32);
1027     Params.push_back(wasm::ValType::I64);
1028     break;
1029   case f32_func_i16:
1030     Rets.push_back(wasm::ValType::F32);
1031     Params.push_back(wasm::ValType::I32);
1032     break;
1033   case f64_func_f32:
1034     Rets.push_back(wasm::ValType::F64);
1035     Params.push_back(wasm::ValType::F32);
1036     break;
1037   case f64_func_f64:
1038     Rets.push_back(wasm::ValType::F64);
1039     Params.push_back(wasm::ValType::F64);
1040     break;
1041   case f64_func_i32:
1042     Rets.push_back(wasm::ValType::F64);
1043     Params.push_back(wasm::ValType::I32);
1044     break;
1045   case f64_func_i64:
1046     Rets.push_back(wasm::ValType::F64);
1047     Params.push_back(wasm::ValType::I64);
1048     break;
1049   case i32_func_f32:
1050     Rets.push_back(wasm::ValType::I32);
1051     Params.push_back(wasm::ValType::F32);
1052     break;
1053   case i32_func_f64:
1054     Rets.push_back(wasm::ValType::I32);
1055     Params.push_back(wasm::ValType::F64);
1056     break;
1057   case i32_func_i32:
1058     Rets.push_back(wasm::ValType::I32);
1059     Params.push_back(wasm::ValType::I32);
1060     break;
1061   case i64_func_f32:
1062     Rets.push_back(wasm::ValType::I64);
1063     Params.push_back(wasm::ValType::F32);
1064     break;
1065   case i64_func_f64:
1066     Rets.push_back(wasm::ValType::I64);
1067     Params.push_back(wasm::ValType::F64);
1068     break;
1069   case i64_func_i64:
1070     Rets.push_back(wasm::ValType::I64);
1071     Params.push_back(wasm::ValType::I64);
1072     break;
1073   case f32_func_f32_f32:
1074     Rets.push_back(wasm::ValType::F32);
1075     Params.push_back(wasm::ValType::F32);
1076     Params.push_back(wasm::ValType::F32);
1077     break;
1078   case f32_func_f32_i32:
1079     Rets.push_back(wasm::ValType::F32);
1080     Params.push_back(wasm::ValType::F32);
1081     Params.push_back(wasm::ValType::I32);
1082     break;
1083   case f32_func_i64_i64:
1084     Rets.push_back(wasm::ValType::F32);
1085     Params.push_back(wasm::ValType::I64);
1086     Params.push_back(wasm::ValType::I64);
1087     break;
1088   case f64_func_f64_f64:
1089     Rets.push_back(wasm::ValType::F64);
1090     Params.push_back(wasm::ValType::F64);
1091     Params.push_back(wasm::ValType::F64);
1092     break;
1093   case f64_func_f64_i32:
1094     Rets.push_back(wasm::ValType::F64);
1095     Params.push_back(wasm::ValType::F64);
1096     Params.push_back(wasm::ValType::I32);
1097     break;
1098   case f64_func_i64_i64:
1099     Rets.push_back(wasm::ValType::F64);
1100     Params.push_back(wasm::ValType::I64);
1101     Params.push_back(wasm::ValType::I64);
1102     break;
1103   case i16_func_f32:
1104     Rets.push_back(wasm::ValType::I32);
1105     Params.push_back(wasm::ValType::F32);
1106     break;
1107   case i8_func_i8_i8:
1108     Rets.push_back(wasm::ValType::I32);
1109     Params.push_back(wasm::ValType::I32);
1110     Params.push_back(wasm::ValType::I32);
1111     break;
1112   case func_f32_iPTR_iPTR:
1113     Params.push_back(wasm::ValType::F32);
1114     Params.push_back(wasm::ValType(iPTR));
1115     Params.push_back(wasm::ValType(iPTR));
1116     break;
1117   case func_f64_iPTR_iPTR:
1118     Params.push_back(wasm::ValType::F64);
1119     Params.push_back(wasm::ValType(iPTR));
1120     Params.push_back(wasm::ValType(iPTR));
1121     break;
1122   case i16_func_i16_i16:
1123     Rets.push_back(wasm::ValType::I32);
1124     Params.push_back(wasm::ValType::I32);
1125     Params.push_back(wasm::ValType::I32);
1126     break;
1127   case i32_func_f32_f32:
1128     Rets.push_back(wasm::ValType::I32);
1129     Params.push_back(wasm::ValType::F32);
1130     Params.push_back(wasm::ValType::F32);
1131     break;
1132   case i32_func_f64_f64:
1133     Rets.push_back(wasm::ValType::I32);
1134     Params.push_back(wasm::ValType::F64);
1135     Params.push_back(wasm::ValType::F64);
1136     break;
1137   case i32_func_i32_i32:
1138     Rets.push_back(wasm::ValType::I32);
1139     Params.push_back(wasm::ValType::I32);
1140     Params.push_back(wasm::ValType::I32);
1141     break;
1142   case i64_func_i64_i64:
1143     Rets.push_back(wasm::ValType::I64);
1144     Params.push_back(wasm::ValType::I64);
1145     Params.push_back(wasm::ValType::I64);
1146     break;
1147   case i64_i64_func_f32:
1148 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1149     Rets.push_back(wasm::ValType::I64);
1150     Rets.push_back(wasm::ValType::I64);
1151 #else
1152     Params.push_back(wasm::ValType(iPTR));
1153 #endif
1154     Params.push_back(wasm::ValType::F32);
1155     break;
1156   case i64_i64_func_f64:
1157 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1158     Rets.push_back(wasm::ValType::I64);
1159     Rets.push_back(wasm::ValType::I64);
1160 #else
1161     Params.push_back(wasm::ValType(iPTR));
1162 #endif
1163     Params.push_back(wasm::ValType::F64);
1164     break;
1165   case i16_i16_func_i16_i16:
1166 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1167     Rets.push_back(wasm::ValType::I32);
1168     Rets.push_back(wasm::ValType::I32);
1169 #else
1170     Params.push_back(wasm::ValType(iPTR));
1171 #endif
1172     Params.push_back(wasm::ValType::I32);
1173     Params.push_back(wasm::ValType::I32);
1174     break;
1175   case i32_i32_func_i32_i32:
1176 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1177     Rets.push_back(wasm::ValType::I32);
1178     Rets.push_back(wasm::ValType::I32);
1179 #else
1180     Params.push_back(wasm::ValType(iPTR));
1181 #endif
1182     Params.push_back(wasm::ValType::I32);
1183     Params.push_back(wasm::ValType::I32);
1184     break;
1185   case i64_i64_func_i64_i64:
1186 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1187     Rets.push_back(wasm::ValType::I64);
1188     Rets.push_back(wasm::ValType::I64);
1189 #else
1190     Params.push_back(wasm::ValType(iPTR));
1191 #endif
1192     Params.push_back(wasm::ValType::I64);
1193     Params.push_back(wasm::ValType::I64);
1194     break;
1195   case i64_i64_func_i64_i64_i64_i64:
1196 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1197     Rets.push_back(wasm::ValType::I64);
1198     Rets.push_back(wasm::ValType::I64);
1199 #else
1200     Params.push_back(wasm::ValType(iPTR));
1201 #endif
1202     Params.push_back(wasm::ValType::I64);
1203     Params.push_back(wasm::ValType::I64);
1204     Params.push_back(wasm::ValType::I64);
1205     Params.push_back(wasm::ValType::I64);
1206     break;
1207   case i64_i64_i64_i64_func_i64_i64_i64_i64:
1208 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1209     Rets.push_back(wasm::ValType::I64);
1210     Rets.push_back(wasm::ValType::I64);
1211     Rets.push_back(wasm::ValType::I64);
1212     Rets.push_back(wasm::ValType::I64);
1213 #else
1214     Params.push_back(wasm::ValType(iPTR));
1215 #endif
1216     Params.push_back(wasm::ValType::I64);
1217     Params.push_back(wasm::ValType::I64);
1218     Params.push_back(wasm::ValType::I64);
1219     Params.push_back(wasm::ValType::I64);
1220     break;
1221   case i64_i64_func_i64_i64_i32:
1222 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1223     Rets.push_back(wasm::ValType::I64);
1224     Rets.push_back(wasm::ValType::I64);
1225     Rets.push_back(wasm::ValType::I64);
1226     Rets.push_back(wasm::ValType::I64);
1227 #else
1228     Params.push_back(wasm::ValType(iPTR));
1229 #endif
1230     Params.push_back(wasm::ValType::I64);
1231     Params.push_back(wasm::ValType::I64);
1232     Params.push_back(wasm::ValType::I32);
1233     break;
1234   case iPTR_func_iPTR_i32_iPTR:
1235     Rets.push_back(wasm::ValType(iPTR));
1236     Params.push_back(wasm::ValType(iPTR));
1237     Params.push_back(wasm::ValType::I32);
1238     Params.push_back(wasm::ValType(iPTR));
1239     break;
1240   case iPTR_func_iPTR_iPTR_iPTR:
1241     Rets.push_back(wasm::ValType(iPTR));
1242     Params.push_back(wasm::ValType(iPTR));
1243     Params.push_back(wasm::ValType(iPTR));
1244     Params.push_back(wasm::ValType(iPTR));
1245     break;
1246   case f32_func_f32_f32_f32:
1247     Rets.push_back(wasm::ValType::F32);
1248     Params.push_back(wasm::ValType::F32);
1249     Params.push_back(wasm::ValType::F32);
1250     Params.push_back(wasm::ValType::F32);
1251     break;
1252   case f64_func_f64_f64_f64:
1253     Rets.push_back(wasm::ValType::F64);
1254     Params.push_back(wasm::ValType::F64);
1255     Params.push_back(wasm::ValType::F64);
1256     Params.push_back(wasm::ValType::F64);
1257     break;
1258   case func_i64_i64_iPTR_iPTR:
1259     Params.push_back(wasm::ValType::I64);
1260     Params.push_back(wasm::ValType::I64);
1261     Params.push_back(wasm::ValType(iPTR));
1262     Params.push_back(wasm::ValType(iPTR));
1263     break;
1264   case func_iPTR_f32:
1265     Params.push_back(wasm::ValType(iPTR));
1266     Params.push_back(wasm::ValType::F32);
1267     break;
1268   case func_iPTR_f64:
1269     Params.push_back(wasm::ValType(iPTR));
1270     Params.push_back(wasm::ValType::F64);
1271     break;
1272   case func_iPTR_i32:
1273     Params.push_back(wasm::ValType(iPTR));
1274     Params.push_back(wasm::ValType::I32);
1275     break;
1276   case func_iPTR_i64:
1277     Params.push_back(wasm::ValType(iPTR));
1278     Params.push_back(wasm::ValType::I64);
1279     break;
1280   case func_iPTR_i64_i64:
1281     Params.push_back(wasm::ValType(iPTR));
1282     Params.push_back(wasm::ValType::I64);
1283     Params.push_back(wasm::ValType::I64);
1284     break;
1285   case func_iPTR_i64_i64_i64_i64:
1286     Params.push_back(wasm::ValType(iPTR));
1287     Params.push_back(wasm::ValType::I64);
1288     Params.push_back(wasm::ValType::I64);
1289     Params.push_back(wasm::ValType::I64);
1290     Params.push_back(wasm::ValType::I64);
1291     break;
1292   case func_iPTR_i64_i64_i64_i64_i64_i64:
1293     Params.push_back(wasm::ValType(iPTR));
1294     Params.push_back(wasm::ValType::I64);
1295     Params.push_back(wasm::ValType::I64);
1296     Params.push_back(wasm::ValType::I64);
1297     Params.push_back(wasm::ValType::I64);
1298     Params.push_back(wasm::ValType::I64);
1299     Params.push_back(wasm::ValType::I64);
1300     break;
1301   case i32_func_i64_i64:
1302     Rets.push_back(wasm::ValType::I32);
1303     Params.push_back(wasm::ValType::I64);
1304     Params.push_back(wasm::ValType::I64);
1305     break;
1306   case i32_func_i64_i64_i64_i64:
1307     Rets.push_back(wasm::ValType::I32);
1308     Params.push_back(wasm::ValType::I64);
1309     Params.push_back(wasm::ValType::I64);
1310     Params.push_back(wasm::ValType::I64);
1311     Params.push_back(wasm::ValType::I64);
1312     break;
1313   case unsupported:
1314     llvm_unreachable("unsupported runtime library signature");
1315   }
1316 }
1317
1318 void llvm::GetSignature(const WebAssemblySubtarget &Subtarget, const char *Name,
1319                         SmallVectorImpl<wasm::ValType> &Rets,
1320                         SmallVectorImpl<wasm::ValType> &Params) {
1321   assert(strcmp(RuntimeLibcallNames[RTLIB::DEOPTIMIZE], "__llvm_deoptimize") ==
1322          0);
1323
1324   for (size_t i = 0, e = RTLIB::UNKNOWN_LIBCALL; i < e; ++i)
1325     if (RuntimeLibcallNames[i] && strcmp(RuntimeLibcallNames[i], Name) == 0)
1326       return GetSignature(Subtarget, RTLIB::Libcall(i), Rets, Params);
1327
1328   llvm_unreachable("unexpected runtime library name");
1329 }