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 /// 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 #include "llvm/Support/ManagedStatic.h" 26 27 using namespace llvm; 28 29 namespace { 30 31 enum RuntimeLibcallSignature { 32 func, 33 f32_func_f32, 34 f32_func_f64, 35 f32_func_i32, 36 f32_func_i64, 37 f32_func_i16, 38 f64_func_f32, 39 f64_func_f64, 40 f64_func_i32, 41 f64_func_i64, 42 i32_func_f32, 43 i32_func_f64, 44 i32_func_i32, 45 i64_func_f32, 46 i64_func_f64, 47 i64_func_i64, 48 f32_func_f32_f32, 49 f32_func_f32_i32, 50 f32_func_i64_i64, 51 f64_func_f64_f64, 52 f64_func_f64_i32, 53 f64_func_i64_i64, 54 i16_func_f32, 55 i8_func_i8_i8, 56 func_f32_iPTR_iPTR, 57 func_f64_iPTR_iPTR, 58 i16_func_i16_i16, 59 i32_func_f32_f32, 60 i32_func_f64_f64, 61 i32_func_i32_i32, 62 i32_func_i32_i32_iPTR, 63 i64_func_i64_i64, 64 i64_func_i64_i64_iPTR, 65 i64_i64_func_f32, 66 i64_i64_func_f64, 67 i16_i16_func_i16_i16, 68 i32_i32_func_i32_i32, 69 i64_i64_func_i64_i64, 70 i64_i64_func_i64_i64_i64_i64, 71 i64_i64_func_i64_i64_i64_i64_iPTR, 72 i64_i64_i64_i64_func_i64_i64_i64_i64, 73 i64_i64_func_i64_i64_i32, 74 iPTR_func_iPTR_i32_iPTR, 75 iPTR_func_iPTR_iPTR_iPTR, 76 f32_func_f32_f32_f32, 77 f64_func_f64_f64_f64, 78 func_i64_i64_iPTR_iPTR, 79 func_iPTR_f32, 80 func_iPTR_f64, 81 func_iPTR_i32, 82 func_iPTR_i64, 83 func_iPTR_i64_i64, 84 func_iPTR_i64_i64_i64_i64, 85 func_iPTR_i64_i64_i64_i64_i64_i64, 86 i32_func_i64_i64, 87 i32_func_i64_i64_i64_i64, 88 unsupported 89 }; 90 91 struct RuntimeLibcallSignatureTable { 92 std::vector<RuntimeLibcallSignature> Table; 93 94 // Any newly-added libcalls will be unsupported by default. 95 RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) { 96 // Integer 97 Table[RTLIB::SHL_I16] = i16_func_i16_i16; 98 Table[RTLIB::SHL_I32] = i32_func_i32_i32; 99 Table[RTLIB::SHL_I64] = i64_func_i64_i64; 100 Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32; 101 Table[RTLIB::SRL_I16] = i16_func_i16_i16; 102 Table[RTLIB::SRL_I32] = i32_func_i32_i32; 103 Table[RTLIB::SRL_I64] = i64_func_i64_i64; 104 Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32; 105 Table[RTLIB::SRA_I16] = i16_func_i16_i16; 106 Table[RTLIB::SRA_I32] = i32_func_i32_i32; 107 Table[RTLIB::SRA_I64] = i64_func_i64_i64; 108 Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32; 109 Table[RTLIB::MUL_I8] = i8_func_i8_i8; 110 Table[RTLIB::MUL_I16] = i16_func_i16_i16; 111 Table[RTLIB::MUL_I32] = i32_func_i32_i32; 112 Table[RTLIB::MUL_I64] = i64_func_i64_i64; 113 Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64; 114 Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR; 115 Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR; 116 Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR; 117 Table[RTLIB::SDIV_I8] = i8_func_i8_i8; 118 Table[RTLIB::SDIV_I16] = i16_func_i16_i16; 119 Table[RTLIB::SDIV_I32] = i32_func_i32_i32; 120 Table[RTLIB::SDIV_I64] = i64_func_i64_i64; 121 Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64; 122 Table[RTLIB::UDIV_I8] = i8_func_i8_i8; 123 Table[RTLIB::UDIV_I16] = i16_func_i16_i16; 124 Table[RTLIB::UDIV_I32] = i32_func_i32_i32; 125 Table[RTLIB::UDIV_I64] = i64_func_i64_i64; 126 Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64; 127 Table[RTLIB::SREM_I8] = i8_func_i8_i8; 128 Table[RTLIB::SREM_I16] = i16_func_i16_i16; 129 Table[RTLIB::SREM_I32] = i32_func_i32_i32; 130 Table[RTLIB::SREM_I64] = i64_func_i64_i64; 131 Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64; 132 Table[RTLIB::UREM_I8] = i8_func_i8_i8; 133 Table[RTLIB::UREM_I16] = i16_func_i16_i16; 134 Table[RTLIB::UREM_I32] = i32_func_i32_i32; 135 Table[RTLIB::UREM_I64] = i64_func_i64_i64; 136 Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64; 137 Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8; 138 Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16; 139 Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32; 140 Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64; 141 Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; 142 Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8; 143 Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16; 144 Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32; 145 Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64; 146 Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; 147 Table[RTLIB::NEG_I32] = i32_func_i32; 148 Table[RTLIB::NEG_I64] = i64_func_i64; 149 150 // Floating-point. 151 // All F80 and PPCF128 routines are unsupported. 152 Table[RTLIB::ADD_F32] = f32_func_f32_f32; 153 Table[RTLIB::ADD_F64] = f64_func_f64_f64; 154 Table[RTLIB::ADD_F128] = func_iPTR_i64_i64_i64_i64; 155 Table[RTLIB::SUB_F32] = f32_func_f32_f32; 156 Table[RTLIB::SUB_F64] = f64_func_f64_f64; 157 Table[RTLIB::SUB_F128] = func_iPTR_i64_i64_i64_i64; 158 Table[RTLIB::MUL_F32] = f32_func_f32_f32; 159 Table[RTLIB::MUL_F64] = f64_func_f64_f64; 160 Table[RTLIB::MUL_F128] = func_iPTR_i64_i64_i64_i64; 161 Table[RTLIB::DIV_F32] = f32_func_f32_f32; 162 Table[RTLIB::DIV_F64] = f64_func_f64_f64; 163 Table[RTLIB::DIV_F128] = func_iPTR_i64_i64_i64_i64; 164 Table[RTLIB::REM_F32] = f32_func_f32_f32; 165 Table[RTLIB::REM_F64] = f64_func_f64_f64; 166 Table[RTLIB::REM_F128] = func_iPTR_i64_i64_i64_i64; 167 Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32; 168 Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64; 169 Table[RTLIB::FMA_F128] = func_iPTR_i64_i64_i64_i64_i64_i64; 170 Table[RTLIB::POWI_F32] = f32_func_f32_i32; 171 Table[RTLIB::POWI_F64] = f64_func_f64_i32; 172 Table[RTLIB::POWI_F128] = func_iPTR_i64_i64_i64_i64; 173 Table[RTLIB::SQRT_F32] = f32_func_f32; 174 Table[RTLIB::SQRT_F64] = f64_func_f64; 175 Table[RTLIB::SQRT_F128] = func_iPTR_i64_i64; 176 Table[RTLIB::LOG_F32] = f32_func_f32; 177 Table[RTLIB::LOG_F64] = f64_func_f64; 178 Table[RTLIB::LOG_F128] = func_iPTR_i64_i64; 179 Table[RTLIB::LOG2_F32] = f32_func_f32; 180 Table[RTLIB::LOG2_F64] = f64_func_f64; 181 Table[RTLIB::LOG2_F128] = func_iPTR_i64_i64; 182 Table[RTLIB::LOG10_F32] = f32_func_f32; 183 Table[RTLIB::LOG10_F64] = f64_func_f64; 184 Table[RTLIB::LOG10_F128] = func_iPTR_i64_i64; 185 Table[RTLIB::EXP_F32] = f32_func_f32; 186 Table[RTLIB::EXP_F64] = f64_func_f64; 187 Table[RTLIB::EXP_F128] = func_iPTR_i64_i64; 188 Table[RTLIB::EXP2_F32] = f32_func_f32; 189 Table[RTLIB::EXP2_F64] = f64_func_f64; 190 Table[RTLIB::EXP2_F128] = func_iPTR_i64_i64; 191 Table[RTLIB::SIN_F32] = f32_func_f32; 192 Table[RTLIB::SIN_F64] = f64_func_f64; 193 Table[RTLIB::SIN_F128] = func_iPTR_i64_i64; 194 Table[RTLIB::COS_F32] = f32_func_f32; 195 Table[RTLIB::COS_F64] = f64_func_f64; 196 Table[RTLIB::COS_F128] = func_iPTR_i64_i64; 197 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; 198 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; 199 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; 200 Table[RTLIB::POW_F32] = f32_func_f32_f32; 201 Table[RTLIB::POW_F64] = f64_func_f64_f64; 202 Table[RTLIB::POW_F128] = func_iPTR_i64_i64_i64_i64; 203 Table[RTLIB::CEIL_F32] = f32_func_f32; 204 Table[RTLIB::CEIL_F64] = f64_func_f64; 205 Table[RTLIB::CEIL_F128] = func_iPTR_i64_i64; 206 Table[RTLIB::TRUNC_F32] = f32_func_f32; 207 Table[RTLIB::TRUNC_F64] = f64_func_f64; 208 Table[RTLIB::TRUNC_F128] = func_iPTR_i64_i64; 209 Table[RTLIB::RINT_F32] = f32_func_f32; 210 Table[RTLIB::RINT_F64] = f64_func_f64; 211 Table[RTLIB::RINT_F128] = func_iPTR_i64_i64; 212 Table[RTLIB::NEARBYINT_F32] = f32_func_f32; 213 Table[RTLIB::NEARBYINT_F64] = f64_func_f64; 214 Table[RTLIB::NEARBYINT_F128] = func_iPTR_i64_i64; 215 Table[RTLIB::ROUND_F32] = f32_func_f32; 216 Table[RTLIB::ROUND_F64] = f64_func_f64; 217 Table[RTLIB::ROUND_F128] = func_iPTR_i64_i64; 218 Table[RTLIB::FLOOR_F32] = f32_func_f32; 219 Table[RTLIB::FLOOR_F64] = f64_func_f64; 220 Table[RTLIB::FLOOR_F128] = func_iPTR_i64_i64; 221 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; 222 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; 223 Table[RTLIB::COPYSIGN_F128] = func_iPTR_i64_i64_i64_i64; 224 Table[RTLIB::FMIN_F32] = f32_func_f32_f32; 225 Table[RTLIB::FMIN_F64] = f64_func_f64_f64; 226 Table[RTLIB::FMIN_F128] = func_iPTR_i64_i64_i64_i64; 227 Table[RTLIB::FMAX_F32] = f32_func_f32_f32; 228 Table[RTLIB::FMAX_F64] = f64_func_f64_f64; 229 Table[RTLIB::FMAX_F128] = func_iPTR_i64_i64_i64_i64; 230 231 // Conversion 232 // All F80 and PPCF128 routines are unspported. 233 Table[RTLIB::FPEXT_F64_F128] = func_iPTR_f64; 234 Table[RTLIB::FPEXT_F32_F128] = func_iPTR_f32; 235 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; 236 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; 237 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; 238 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; 239 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; 240 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; 241 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; 242 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; 243 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; 244 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; 245 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; 246 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; 247 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; 248 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; 249 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; 250 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; 251 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; 252 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; 253 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; 254 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; 255 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; 256 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; 257 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; 258 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; 259 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; 260 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; 261 Table[RTLIB::SINTTOFP_I32_F128] = func_iPTR_i32; 262 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; 263 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; 264 Table[RTLIB::SINTTOFP_I64_F128] = func_iPTR_i64; 265 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; 266 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; 267 Table[RTLIB::SINTTOFP_I128_F128] = func_iPTR_i64_i64; 268 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; 269 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; 270 Table[RTLIB::UINTTOFP_I32_F128] = func_iPTR_i32; 271 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; 272 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; 273 Table[RTLIB::UINTTOFP_I64_F128] = func_iPTR_i64; 274 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; 275 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; 276 Table[RTLIB::UINTTOFP_I128_F128] = func_iPTR_i64_i64; 277 278 // Comparison 279 // ALl F80 and PPCF128 routines are unsupported. 280 Table[RTLIB::OEQ_F32] = i32_func_f32_f32; 281 Table[RTLIB::OEQ_F64] = i32_func_f64_f64; 282 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; 283 Table[RTLIB::UNE_F32] = i32_func_f32_f32; 284 Table[RTLIB::UNE_F64] = i32_func_f64_f64; 285 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; 286 Table[RTLIB::OGE_F32] = i32_func_f32_f32; 287 Table[RTLIB::OGE_F64] = i32_func_f64_f64; 288 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; 289 Table[RTLIB::OLT_F32] = i32_func_f32_f32; 290 Table[RTLIB::OLT_F64] = i32_func_f64_f64; 291 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; 292 Table[RTLIB::OLE_F32] = i32_func_f32_f32; 293 Table[RTLIB::OLE_F64] = i32_func_f64_f64; 294 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; 295 Table[RTLIB::OGT_F32] = i32_func_f32_f32; 296 Table[RTLIB::OGT_F64] = i32_func_f64_f64; 297 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; 298 Table[RTLIB::UO_F32] = i32_func_f32_f32; 299 Table[RTLIB::UO_F64] = i32_func_f64_f64; 300 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; 301 // O_FXX has the weird property that it uses the same libcall name as UO_FXX 302 // This breaks our name-based lookup. Fortunately only the UO family of 303 // libcalls appears to be actually used. 304 Table[RTLIB::O_F32] = unsupported; 305 Table[RTLIB::O_F64] = unsupported; 306 Table[RTLIB::O_F128] = unsupported; 307 308 // Memory 309 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; 310 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; 311 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; 312 313 // Element-wise Atomic memory 314 // TODO: Fix these when we implement atomic support 315 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 316 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 317 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 318 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 319 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 320 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 321 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 322 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 323 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 324 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 325 326 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 327 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 328 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 329 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 330 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 331 332 // Atomic '__sync_*' libcalls. 333 // TODO: Fix these when we implement atomic support 334 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; 335 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; 336 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; 337 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; 338 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; 339 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; 340 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; 341 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; 342 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; 343 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; 344 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; 345 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; 346 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; 347 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; 348 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; 349 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; 350 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; 351 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; 352 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; 353 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; 354 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; 355 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; 356 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; 357 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; 358 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; 359 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; 360 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; 361 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; 362 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; 363 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; 364 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; 365 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; 366 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; 367 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; 368 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; 369 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; 370 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; 371 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; 372 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; 373 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; 374 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; 375 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; 376 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; 377 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; 378 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; 379 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; 380 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; 381 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; 382 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; 383 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; 384 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; 385 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; 386 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; 387 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; 388 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; 389 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; 390 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; 391 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; 392 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; 393 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; 394 395 // Atomic '__atomic_*' libcalls. 396 // TODO: Fix these when we implement atomic support 397 Table[RTLIB::ATOMIC_LOAD] = unsupported; 398 Table[RTLIB::ATOMIC_LOAD_1] = unsupported; 399 Table[RTLIB::ATOMIC_LOAD_2] = unsupported; 400 Table[RTLIB::ATOMIC_LOAD_4] = unsupported; 401 Table[RTLIB::ATOMIC_LOAD_8] = unsupported; 402 Table[RTLIB::ATOMIC_LOAD_16] = unsupported; 403 404 Table[RTLIB::ATOMIC_STORE] = unsupported; 405 Table[RTLIB::ATOMIC_STORE_1] = unsupported; 406 Table[RTLIB::ATOMIC_STORE_2] = unsupported; 407 Table[RTLIB::ATOMIC_STORE_4] = unsupported; 408 Table[RTLIB::ATOMIC_STORE_8] = unsupported; 409 Table[RTLIB::ATOMIC_STORE_16] = unsupported; 410 411 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; 412 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; 413 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; 414 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; 415 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; 416 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; 417 418 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; 419 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; 420 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; 421 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; 422 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; 423 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; 424 425 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; 426 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; 427 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; 428 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; 429 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; 430 431 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; 432 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; 433 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; 434 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; 435 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; 436 437 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; 438 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; 439 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; 440 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; 441 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; 442 443 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; 444 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; 445 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; 446 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; 447 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; 448 449 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; 450 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; 451 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; 452 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; 453 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; 454 455 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; 456 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; 457 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; 458 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; 459 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; 460 } 461 }; 462 463 ManagedStatic<RuntimeLibcallSignatureTable> RuntimeLibcallSignatures; 464 465 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a 466 // constructor for use with ManagedStatic 467 struct StaticLibcallNameMap { 468 StringMap<RTLIB::Libcall> Map; 469 StaticLibcallNameMap() { 470 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { 471 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, 472 #include "llvm/IR/RuntimeLibcalls.def" 473 #undef HANDLE_LIBCALL 474 }; 475 for (const auto &NameLibcall : NameLibcalls) { 476 if (NameLibcall.first != nullptr && 477 RuntimeLibcallSignatures->Table[NameLibcall.second] != unsupported) { 478 assert(Map.find(NameLibcall.first) == Map.end() && 479 "duplicate libcall names in name map"); 480 Map[NameLibcall.first] = NameLibcall.second; 481 } 482 } 483 } 484 }; 485 486 } // end anonymous namespace 487 488 void llvm::GetSignature(const WebAssemblySubtarget &Subtarget, 489 RTLIB::Libcall LC, SmallVectorImpl<wasm::ValType> &Rets, 490 SmallVectorImpl<wasm::ValType> &Params) { 491 assert(Rets.empty()); 492 assert(Params.empty()); 493 494 wasm::ValType iPTR = 495 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; 496 497 auto &Table = RuntimeLibcallSignatures->Table; 498 switch (Table[LC]) { 499 case func: 500 break; 501 case f32_func_f32: 502 Rets.push_back(wasm::ValType::F32); 503 Params.push_back(wasm::ValType::F32); 504 break; 505 case f32_func_f64: 506 Rets.push_back(wasm::ValType::F32); 507 Params.push_back(wasm::ValType::F64); 508 break; 509 case f32_func_i32: 510 Rets.push_back(wasm::ValType::F32); 511 Params.push_back(wasm::ValType::I32); 512 break; 513 case f32_func_i64: 514 Rets.push_back(wasm::ValType::F32); 515 Params.push_back(wasm::ValType::I64); 516 break; 517 case f32_func_i16: 518 Rets.push_back(wasm::ValType::F32); 519 Params.push_back(wasm::ValType::I32); 520 break; 521 case f64_func_f32: 522 Rets.push_back(wasm::ValType::F64); 523 Params.push_back(wasm::ValType::F32); 524 break; 525 case f64_func_f64: 526 Rets.push_back(wasm::ValType::F64); 527 Params.push_back(wasm::ValType::F64); 528 break; 529 case f64_func_i32: 530 Rets.push_back(wasm::ValType::F64); 531 Params.push_back(wasm::ValType::I32); 532 break; 533 case f64_func_i64: 534 Rets.push_back(wasm::ValType::F64); 535 Params.push_back(wasm::ValType::I64); 536 break; 537 case i32_func_f32: 538 Rets.push_back(wasm::ValType::I32); 539 Params.push_back(wasm::ValType::F32); 540 break; 541 case i32_func_f64: 542 Rets.push_back(wasm::ValType::I32); 543 Params.push_back(wasm::ValType::F64); 544 break; 545 case i32_func_i32: 546 Rets.push_back(wasm::ValType::I32); 547 Params.push_back(wasm::ValType::I32); 548 break; 549 case i64_func_f32: 550 Rets.push_back(wasm::ValType::I64); 551 Params.push_back(wasm::ValType::F32); 552 break; 553 case i64_func_f64: 554 Rets.push_back(wasm::ValType::I64); 555 Params.push_back(wasm::ValType::F64); 556 break; 557 case i64_func_i64: 558 Rets.push_back(wasm::ValType::I64); 559 Params.push_back(wasm::ValType::I64); 560 break; 561 case f32_func_f32_f32: 562 Rets.push_back(wasm::ValType::F32); 563 Params.push_back(wasm::ValType::F32); 564 Params.push_back(wasm::ValType::F32); 565 break; 566 case f32_func_f32_i32: 567 Rets.push_back(wasm::ValType::F32); 568 Params.push_back(wasm::ValType::F32); 569 Params.push_back(wasm::ValType::I32); 570 break; 571 case f32_func_i64_i64: 572 Rets.push_back(wasm::ValType::F32); 573 Params.push_back(wasm::ValType::I64); 574 Params.push_back(wasm::ValType::I64); 575 break; 576 case f64_func_f64_f64: 577 Rets.push_back(wasm::ValType::F64); 578 Params.push_back(wasm::ValType::F64); 579 Params.push_back(wasm::ValType::F64); 580 break; 581 case f64_func_f64_i32: 582 Rets.push_back(wasm::ValType::F64); 583 Params.push_back(wasm::ValType::F64); 584 Params.push_back(wasm::ValType::I32); 585 break; 586 case f64_func_i64_i64: 587 Rets.push_back(wasm::ValType::F64); 588 Params.push_back(wasm::ValType::I64); 589 Params.push_back(wasm::ValType::I64); 590 break; 591 case i16_func_f32: 592 Rets.push_back(wasm::ValType::I32); 593 Params.push_back(wasm::ValType::F32); 594 break; 595 case i8_func_i8_i8: 596 Rets.push_back(wasm::ValType::I32); 597 Params.push_back(wasm::ValType::I32); 598 Params.push_back(wasm::ValType::I32); 599 break; 600 case func_f32_iPTR_iPTR: 601 Params.push_back(wasm::ValType::F32); 602 Params.push_back(iPTR); 603 Params.push_back(iPTR); 604 break; 605 case func_f64_iPTR_iPTR: 606 Params.push_back(wasm::ValType::F64); 607 Params.push_back(iPTR); 608 Params.push_back(iPTR); 609 break; 610 case i16_func_i16_i16: 611 Rets.push_back(wasm::ValType::I32); 612 Params.push_back(wasm::ValType::I32); 613 Params.push_back(wasm::ValType::I32); 614 break; 615 case i32_func_f32_f32: 616 Rets.push_back(wasm::ValType::I32); 617 Params.push_back(wasm::ValType::F32); 618 Params.push_back(wasm::ValType::F32); 619 break; 620 case i32_func_f64_f64: 621 Rets.push_back(wasm::ValType::I32); 622 Params.push_back(wasm::ValType::F64); 623 Params.push_back(wasm::ValType::F64); 624 break; 625 case i32_func_i32_i32: 626 Rets.push_back(wasm::ValType::I32); 627 Params.push_back(wasm::ValType::I32); 628 Params.push_back(wasm::ValType::I32); 629 break; 630 case i32_func_i32_i32_iPTR: 631 Rets.push_back(wasm::ValType::I32); 632 Params.push_back(wasm::ValType::I32); 633 Params.push_back(wasm::ValType::I32); 634 Params.push_back(iPTR); 635 break; 636 case i64_func_i64_i64: 637 Rets.push_back(wasm::ValType::I64); 638 Params.push_back(wasm::ValType::I64); 639 Params.push_back(wasm::ValType::I64); 640 break; 641 case i64_func_i64_i64_iPTR: 642 Rets.push_back(wasm::ValType::I64); 643 Params.push_back(wasm::ValType::I64); 644 Params.push_back(wasm::ValType::I64); 645 Params.push_back(iPTR); 646 break; 647 case i64_i64_func_f32: 648 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 649 Rets.push_back(wasm::ValType::I64); 650 Rets.push_back(wasm::ValType::I64); 651 #else 652 Params.push_back(iPTR); 653 #endif 654 Params.push_back(wasm::ValType::F32); 655 break; 656 case i64_i64_func_f64: 657 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 658 Rets.push_back(wasm::ValType::I64); 659 Rets.push_back(wasm::ValType::I64); 660 #else 661 Params.push_back(iPTR); 662 #endif 663 Params.push_back(wasm::ValType::F64); 664 break; 665 case i16_i16_func_i16_i16: 666 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 667 Rets.push_back(wasm::ValType::I32); 668 Rets.push_back(wasm::ValType::I32); 669 #else 670 Params.push_back(iPTR); 671 #endif 672 Params.push_back(wasm::ValType::I32); 673 Params.push_back(wasm::ValType::I32); 674 break; 675 case i32_i32_func_i32_i32: 676 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 677 Rets.push_back(wasm::ValType::I32); 678 Rets.push_back(wasm::ValType::I32); 679 #else 680 Params.push_back(iPTR); 681 #endif 682 Params.push_back(wasm::ValType::I32); 683 Params.push_back(wasm::ValType::I32); 684 break; 685 case i64_i64_func_i64_i64: 686 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 687 Rets.push_back(wasm::ValType::I64); 688 Rets.push_back(wasm::ValType::I64); 689 #else 690 Params.push_back(iPTR); 691 #endif 692 Params.push_back(wasm::ValType::I64); 693 Params.push_back(wasm::ValType::I64); 694 break; 695 case i64_i64_func_i64_i64_i64_i64: 696 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 697 Rets.push_back(wasm::ValType::I64); 698 Rets.push_back(wasm::ValType::I64); 699 #else 700 Params.push_back(iPTR); 701 #endif 702 Params.push_back(wasm::ValType::I64); 703 Params.push_back(wasm::ValType::I64); 704 Params.push_back(wasm::ValType::I64); 705 Params.push_back(wasm::ValType::I64); 706 break; 707 case i64_i64_func_i64_i64_i64_i64_iPTR: 708 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 709 Rets.push_back(wasm::ValType::I64); 710 Rets.push_back(wasm::ValType::I64); 711 #else 712 Params.push_back(iPTR); 713 #endif 714 Params.push_back(wasm::ValType::I64); 715 Params.push_back(wasm::ValType::I64); 716 Params.push_back(wasm::ValType::I64); 717 Params.push_back(wasm::ValType::I64); 718 Params.push_back(iPTR); 719 break; 720 case i64_i64_i64_i64_func_i64_i64_i64_i64: 721 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 722 Rets.push_back(wasm::ValType::I64); 723 Rets.push_back(wasm::ValType::I64); 724 Rets.push_back(wasm::ValType::I64); 725 Rets.push_back(wasm::ValType::I64); 726 #else 727 Params.push_back(iPTR); 728 #endif 729 Params.push_back(wasm::ValType::I64); 730 Params.push_back(wasm::ValType::I64); 731 Params.push_back(wasm::ValType::I64); 732 Params.push_back(wasm::ValType::I64); 733 break; 734 case i64_i64_func_i64_i64_i32: 735 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 736 Rets.push_back(wasm::ValType::I64); 737 Rets.push_back(wasm::ValType::I64); 738 Rets.push_back(wasm::ValType::I64); 739 Rets.push_back(wasm::ValType::I64); 740 #else 741 Params.push_back(iPTR); 742 #endif 743 Params.push_back(wasm::ValType::I64); 744 Params.push_back(wasm::ValType::I64); 745 Params.push_back(wasm::ValType::I32); 746 break; 747 case iPTR_func_iPTR_i32_iPTR: 748 Rets.push_back(iPTR); 749 Params.push_back(iPTR); 750 Params.push_back(wasm::ValType::I32); 751 Params.push_back(iPTR); 752 break; 753 case iPTR_func_iPTR_iPTR_iPTR: 754 Rets.push_back(iPTR); 755 Params.push_back(iPTR); 756 Params.push_back(iPTR); 757 Params.push_back(iPTR); 758 break; 759 case f32_func_f32_f32_f32: 760 Rets.push_back(wasm::ValType::F32); 761 Params.push_back(wasm::ValType::F32); 762 Params.push_back(wasm::ValType::F32); 763 Params.push_back(wasm::ValType::F32); 764 break; 765 case f64_func_f64_f64_f64: 766 Rets.push_back(wasm::ValType::F64); 767 Params.push_back(wasm::ValType::F64); 768 Params.push_back(wasm::ValType::F64); 769 Params.push_back(wasm::ValType::F64); 770 break; 771 case func_i64_i64_iPTR_iPTR: 772 Params.push_back(wasm::ValType::I64); 773 Params.push_back(wasm::ValType::I64); 774 Params.push_back(iPTR); 775 Params.push_back(iPTR); 776 break; 777 case func_iPTR_f32: 778 Params.push_back(iPTR); 779 Params.push_back(wasm::ValType::F32); 780 break; 781 case func_iPTR_f64: 782 Params.push_back(iPTR); 783 Params.push_back(wasm::ValType::F64); 784 break; 785 case func_iPTR_i32: 786 Params.push_back(iPTR); 787 Params.push_back(wasm::ValType::I32); 788 break; 789 case func_iPTR_i64: 790 Params.push_back(iPTR); 791 Params.push_back(wasm::ValType::I64); 792 break; 793 case func_iPTR_i64_i64: 794 Params.push_back(iPTR); 795 Params.push_back(wasm::ValType::I64); 796 Params.push_back(wasm::ValType::I64); 797 break; 798 case func_iPTR_i64_i64_i64_i64: 799 Params.push_back(iPTR); 800 Params.push_back(wasm::ValType::I64); 801 Params.push_back(wasm::ValType::I64); 802 Params.push_back(wasm::ValType::I64); 803 Params.push_back(wasm::ValType::I64); 804 break; 805 case func_iPTR_i64_i64_i64_i64_i64_i64: 806 Params.push_back(iPTR); 807 Params.push_back(wasm::ValType::I64); 808 Params.push_back(wasm::ValType::I64); 809 Params.push_back(wasm::ValType::I64); 810 Params.push_back(wasm::ValType::I64); 811 Params.push_back(wasm::ValType::I64); 812 Params.push_back(wasm::ValType::I64); 813 break; 814 case i32_func_i64_i64: 815 Rets.push_back(wasm::ValType::I32); 816 Params.push_back(wasm::ValType::I64); 817 Params.push_back(wasm::ValType::I64); 818 break; 819 case i32_func_i64_i64_i64_i64: 820 Rets.push_back(wasm::ValType::I32); 821 Params.push_back(wasm::ValType::I64); 822 Params.push_back(wasm::ValType::I64); 823 Params.push_back(wasm::ValType::I64); 824 Params.push_back(wasm::ValType::I64); 825 break; 826 case unsupported: 827 llvm_unreachable("unsupported runtime library signature"); 828 } 829 } 830 831 static ManagedStatic<StaticLibcallNameMap> LibcallNameMap; 832 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unsed 833 // other than here, just roll its logic into this version. 834 void llvm::GetSignature(const WebAssemblySubtarget &Subtarget, const char *Name, 835 SmallVectorImpl<wasm::ValType> &Rets, 836 SmallVectorImpl<wasm::ValType> &Params) { 837 auto &Map = LibcallNameMap->Map; 838 auto val = Map.find(Name); 839 assert(val != Map.end() && "unexpected runtime library name"); 840 return GetSignature(Subtarget, val->second, Rets, Params); 841 } 842