1 // CodeGen/RuntimeLibcallSignatures.cpp - R.T. Lib. Call Signatures -*- C++ -*-- 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// This file contains signature information for runtime libcalls. 11 /// 12 /// CodeGen uses external symbols, which it refers to by name. The WebAssembly 13 /// target needs type information for all functions. This file contains a big 14 /// table providing type signatures for all runtime library functions that LLVM 15 /// uses. 16 /// 17 /// This is currently a fairly heavy-handed solution. 18 /// 19 //===----------------------------------------------------------------------===// 20 21 #include "WebAssemblyRuntimeLibcallSignatures.h" 22 #include "WebAssemblySubtarget.h" 23 #include "llvm/CodeGen/RuntimeLibcalls.h" 24 #include "llvm/Support/ManagedStatic.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 i16_func_f64, 55 i16_func_i64_i64, 56 i8_func_i8_i8, 57 func_f32_iPTR_iPTR, 58 func_f64_iPTR_iPTR, 59 i16_func_i16_i16, 60 i32_func_f32_f32, 61 i32_func_f64_f64, 62 i32_func_i32_i32, 63 i32_func_i32_i32_iPTR, 64 i64_func_i64_i64, 65 i64_func_i64_i64_iPTR, 66 i64_i64_func_f32, 67 i64_i64_func_f64, 68 i16_i16_func_i16_i16, 69 i32_i32_func_i32_i32, 70 i64_i64_func_i64_i64, 71 i64_i64_func_i64_i64_i64_i64, 72 i64_i64_func_i64_i64_i64_i64_iPTR, 73 i64_i64_i64_i64_func_i64_i64_i64_i64, 74 i64_i64_func_i64_i64_i32, 75 iPTR_func_iPTR_i32_iPTR, 76 iPTR_func_iPTR_iPTR_iPTR, 77 f32_func_f32_f32_f32, 78 f64_func_f64_f64_f64, 79 func_i64_i64_iPTR_iPTR, 80 func_iPTR_f32, 81 func_iPTR_f64, 82 func_iPTR_i32, 83 func_iPTR_i64, 84 func_iPTR_i64_i64, 85 func_iPTR_i64_i64_i64_i64, 86 func_iPTR_i64_i64_i64_i64_i64_i64, 87 i32_func_i64_i64, 88 i32_func_i64_i64_i64_i64, 89 iPTR_func_f32, 90 iPTR_func_f64, 91 iPTR_func_i64_i64, 92 unsupported 93 }; 94 95 struct RuntimeLibcallSignatureTable { 96 std::vector<RuntimeLibcallSignature> Table; 97 98 // Any newly-added libcalls will be unsupported by default. 99 RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) { 100 // Integer 101 Table[RTLIB::SHL_I16] = i16_func_i16_i16; 102 Table[RTLIB::SHL_I32] = i32_func_i32_i32; 103 Table[RTLIB::SHL_I64] = i64_func_i64_i64; 104 Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32; 105 Table[RTLIB::SRL_I16] = i16_func_i16_i16; 106 Table[RTLIB::SRL_I32] = i32_func_i32_i32; 107 Table[RTLIB::SRL_I64] = i64_func_i64_i64; 108 Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32; 109 Table[RTLIB::SRA_I16] = i16_func_i16_i16; 110 Table[RTLIB::SRA_I32] = i32_func_i32_i32; 111 Table[RTLIB::SRA_I64] = i64_func_i64_i64; 112 Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32; 113 Table[RTLIB::MUL_I8] = i8_func_i8_i8; 114 Table[RTLIB::MUL_I16] = i16_func_i16_i16; 115 Table[RTLIB::MUL_I32] = i32_func_i32_i32; 116 Table[RTLIB::MUL_I64] = i64_func_i64_i64; 117 Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64; 118 Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR; 119 Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR; 120 Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR; 121 Table[RTLIB::SDIV_I8] = i8_func_i8_i8; 122 Table[RTLIB::SDIV_I16] = i16_func_i16_i16; 123 Table[RTLIB::SDIV_I32] = i32_func_i32_i32; 124 Table[RTLIB::SDIV_I64] = i64_func_i64_i64; 125 Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64; 126 Table[RTLIB::UDIV_I8] = i8_func_i8_i8; 127 Table[RTLIB::UDIV_I16] = i16_func_i16_i16; 128 Table[RTLIB::UDIV_I32] = i32_func_i32_i32; 129 Table[RTLIB::UDIV_I64] = i64_func_i64_i64; 130 Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64; 131 Table[RTLIB::SREM_I8] = i8_func_i8_i8; 132 Table[RTLIB::SREM_I16] = i16_func_i16_i16; 133 Table[RTLIB::SREM_I32] = i32_func_i32_i32; 134 Table[RTLIB::SREM_I64] = i64_func_i64_i64; 135 Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64; 136 Table[RTLIB::UREM_I8] = i8_func_i8_i8; 137 Table[RTLIB::UREM_I16] = i16_func_i16_i16; 138 Table[RTLIB::UREM_I32] = i32_func_i32_i32; 139 Table[RTLIB::UREM_I64] = i64_func_i64_i64; 140 Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64; 141 Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8; 142 Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16; 143 Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32; 144 Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64; 145 Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; 146 Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8; 147 Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16; 148 Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32; 149 Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64; 150 Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; 151 Table[RTLIB::NEG_I32] = i32_func_i32; 152 Table[RTLIB::NEG_I64] = i64_func_i64; 153 154 // Floating-point. 155 // All F80 and PPCF128 routines are unsupported. 156 Table[RTLIB::ADD_F32] = f32_func_f32_f32; 157 Table[RTLIB::ADD_F64] = f64_func_f64_f64; 158 Table[RTLIB::ADD_F128] = func_iPTR_i64_i64_i64_i64; 159 Table[RTLIB::SUB_F32] = f32_func_f32_f32; 160 Table[RTLIB::SUB_F64] = f64_func_f64_f64; 161 Table[RTLIB::SUB_F128] = func_iPTR_i64_i64_i64_i64; 162 Table[RTLIB::MUL_F32] = f32_func_f32_f32; 163 Table[RTLIB::MUL_F64] = f64_func_f64_f64; 164 Table[RTLIB::MUL_F128] = func_iPTR_i64_i64_i64_i64; 165 Table[RTLIB::DIV_F32] = f32_func_f32_f32; 166 Table[RTLIB::DIV_F64] = f64_func_f64_f64; 167 Table[RTLIB::DIV_F128] = func_iPTR_i64_i64_i64_i64; 168 Table[RTLIB::REM_F32] = f32_func_f32_f32; 169 Table[RTLIB::REM_F64] = f64_func_f64_f64; 170 Table[RTLIB::REM_F128] = func_iPTR_i64_i64_i64_i64; 171 Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32; 172 Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64; 173 Table[RTLIB::FMA_F128] = func_iPTR_i64_i64_i64_i64_i64_i64; 174 Table[RTLIB::POWI_F32] = f32_func_f32_i32; 175 Table[RTLIB::POWI_F64] = f64_func_f64_i32; 176 Table[RTLIB::POWI_F128] = func_iPTR_i64_i64_i64_i64; 177 Table[RTLIB::SQRT_F32] = f32_func_f32; 178 Table[RTLIB::SQRT_F64] = f64_func_f64; 179 Table[RTLIB::SQRT_F128] = func_iPTR_i64_i64; 180 Table[RTLIB::LOG_F32] = f32_func_f32; 181 Table[RTLIB::LOG_F64] = f64_func_f64; 182 Table[RTLIB::LOG_F128] = func_iPTR_i64_i64; 183 Table[RTLIB::LOG2_F32] = f32_func_f32; 184 Table[RTLIB::LOG2_F64] = f64_func_f64; 185 Table[RTLIB::LOG2_F128] = func_iPTR_i64_i64; 186 Table[RTLIB::LOG10_F32] = f32_func_f32; 187 Table[RTLIB::LOG10_F64] = f64_func_f64; 188 Table[RTLIB::LOG10_F128] = func_iPTR_i64_i64; 189 Table[RTLIB::EXP_F32] = f32_func_f32; 190 Table[RTLIB::EXP_F64] = f64_func_f64; 191 Table[RTLIB::EXP_F128] = func_iPTR_i64_i64; 192 Table[RTLIB::EXP2_F32] = f32_func_f32; 193 Table[RTLIB::EXP2_F64] = f64_func_f64; 194 Table[RTLIB::EXP2_F128] = func_iPTR_i64_i64; 195 Table[RTLIB::SIN_F32] = f32_func_f32; 196 Table[RTLIB::SIN_F64] = f64_func_f64; 197 Table[RTLIB::SIN_F128] = func_iPTR_i64_i64; 198 Table[RTLIB::COS_F32] = f32_func_f32; 199 Table[RTLIB::COS_F64] = f64_func_f64; 200 Table[RTLIB::COS_F128] = func_iPTR_i64_i64; 201 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; 202 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; 203 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; 204 Table[RTLIB::POW_F32] = f32_func_f32_f32; 205 Table[RTLIB::POW_F64] = f64_func_f64_f64; 206 Table[RTLIB::POW_F128] = func_iPTR_i64_i64_i64_i64; 207 Table[RTLIB::CEIL_F32] = f32_func_f32; 208 Table[RTLIB::CEIL_F64] = f64_func_f64; 209 Table[RTLIB::CEIL_F128] = func_iPTR_i64_i64; 210 Table[RTLIB::TRUNC_F32] = f32_func_f32; 211 Table[RTLIB::TRUNC_F64] = f64_func_f64; 212 Table[RTLIB::TRUNC_F128] = func_iPTR_i64_i64; 213 Table[RTLIB::RINT_F32] = f32_func_f32; 214 Table[RTLIB::RINT_F64] = f64_func_f64; 215 Table[RTLIB::RINT_F128] = func_iPTR_i64_i64; 216 Table[RTLIB::NEARBYINT_F32] = f32_func_f32; 217 Table[RTLIB::NEARBYINT_F64] = f64_func_f64; 218 Table[RTLIB::NEARBYINT_F128] = func_iPTR_i64_i64; 219 Table[RTLIB::ROUND_F32] = f32_func_f32; 220 Table[RTLIB::ROUND_F64] = f64_func_f64; 221 Table[RTLIB::ROUND_F128] = func_iPTR_i64_i64; 222 Table[RTLIB::LROUND_F32] = iPTR_func_f32; 223 Table[RTLIB::LROUND_F64] = iPTR_func_f64; 224 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64; 225 Table[RTLIB::LLROUND_F32] = i64_func_f32; 226 Table[RTLIB::LLROUND_F64] = i64_func_f64; 227 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64; 228 Table[RTLIB::LRINT_F32] = iPTR_func_f32; 229 Table[RTLIB::LRINT_F64] = iPTR_func_f64; 230 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64; 231 Table[RTLIB::LLRINT_F32] = i64_func_f32; 232 Table[RTLIB::LLRINT_F64] = i64_func_f64; 233 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64; 234 Table[RTLIB::FLOOR_F32] = f32_func_f32; 235 Table[RTLIB::FLOOR_F64] = f64_func_f64; 236 Table[RTLIB::FLOOR_F128] = func_iPTR_i64_i64; 237 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; 238 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; 239 Table[RTLIB::COPYSIGN_F128] = func_iPTR_i64_i64_i64_i64; 240 Table[RTLIB::FMIN_F32] = f32_func_f32_f32; 241 Table[RTLIB::FMIN_F64] = f64_func_f64_f64; 242 Table[RTLIB::FMIN_F128] = func_iPTR_i64_i64_i64_i64; 243 Table[RTLIB::FMAX_F32] = f32_func_f32_f32; 244 Table[RTLIB::FMAX_F64] = f64_func_f64_f64; 245 Table[RTLIB::FMAX_F128] = func_iPTR_i64_i64_i64_i64; 246 247 // Conversion 248 // All F80 and PPCF128 routines are unsupported. 249 Table[RTLIB::FPEXT_F64_F128] = func_iPTR_f64; 250 Table[RTLIB::FPEXT_F32_F128] = func_iPTR_f32; 251 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; 252 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; 253 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; 254 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64; 255 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; 256 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64; 257 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; 258 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; 259 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; 260 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; 261 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; 262 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; 263 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; 264 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; 265 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; 266 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; 267 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; 268 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; 269 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; 270 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; 271 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; 272 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; 273 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; 274 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; 275 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; 276 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; 277 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; 278 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; 279 Table[RTLIB::SINTTOFP_I32_F128] = func_iPTR_i32; 280 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; 281 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; 282 Table[RTLIB::SINTTOFP_I64_F128] = func_iPTR_i64; 283 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; 284 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; 285 Table[RTLIB::SINTTOFP_I128_F128] = func_iPTR_i64_i64; 286 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; 287 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; 288 Table[RTLIB::UINTTOFP_I32_F128] = func_iPTR_i32; 289 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; 290 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; 291 Table[RTLIB::UINTTOFP_I64_F128] = func_iPTR_i64; 292 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; 293 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; 294 Table[RTLIB::UINTTOFP_I128_F128] = func_iPTR_i64_i64; 295 296 // Comparison 297 // ALl F80 and PPCF128 routines are unsupported. 298 Table[RTLIB::OEQ_F32] = i32_func_f32_f32; 299 Table[RTLIB::OEQ_F64] = i32_func_f64_f64; 300 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; 301 Table[RTLIB::UNE_F32] = i32_func_f32_f32; 302 Table[RTLIB::UNE_F64] = i32_func_f64_f64; 303 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; 304 Table[RTLIB::OGE_F32] = i32_func_f32_f32; 305 Table[RTLIB::OGE_F64] = i32_func_f64_f64; 306 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; 307 Table[RTLIB::OLT_F32] = i32_func_f32_f32; 308 Table[RTLIB::OLT_F64] = i32_func_f64_f64; 309 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; 310 Table[RTLIB::OLE_F32] = i32_func_f32_f32; 311 Table[RTLIB::OLE_F64] = i32_func_f64_f64; 312 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; 313 Table[RTLIB::OGT_F32] = i32_func_f32_f32; 314 Table[RTLIB::OGT_F64] = i32_func_f64_f64; 315 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; 316 Table[RTLIB::UO_F32] = i32_func_f32_f32; 317 Table[RTLIB::UO_F64] = i32_func_f64_f64; 318 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; 319 320 // Memory 321 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; 322 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; 323 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; 324 325 // __stack_chk_fail 326 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func; 327 328 // Return address handling 329 Table[RTLIB::RETURN_ADDRESS] = i32_func_i32; 330 331 // Element-wise Atomic memory 332 // TODO: Fix these when we implement atomic support 333 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 334 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 335 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 336 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 337 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 338 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 339 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 340 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 341 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 342 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 343 344 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 345 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 346 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 347 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 348 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 349 350 // Atomic '__sync_*' libcalls. 351 // TODO: Fix these when we implement atomic support 352 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; 353 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; 354 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; 355 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; 356 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; 357 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; 358 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; 359 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; 360 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; 361 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; 362 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; 363 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; 364 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; 365 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; 366 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; 367 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; 368 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; 369 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; 370 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; 371 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; 372 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; 373 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; 374 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; 375 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; 376 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; 377 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; 378 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; 379 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; 380 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; 381 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; 382 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; 383 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; 384 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; 385 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; 386 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; 387 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; 388 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; 389 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; 390 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; 391 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; 392 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; 393 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; 394 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; 395 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; 396 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; 397 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; 398 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; 399 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; 400 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; 401 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; 402 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; 403 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; 404 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; 405 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; 406 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; 407 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; 408 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; 409 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; 410 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; 411 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; 412 413 // Atomic '__atomic_*' libcalls. 414 // TODO: Fix these when we implement atomic support 415 Table[RTLIB::ATOMIC_LOAD] = unsupported; 416 Table[RTLIB::ATOMIC_LOAD_1] = unsupported; 417 Table[RTLIB::ATOMIC_LOAD_2] = unsupported; 418 Table[RTLIB::ATOMIC_LOAD_4] = unsupported; 419 Table[RTLIB::ATOMIC_LOAD_8] = unsupported; 420 Table[RTLIB::ATOMIC_LOAD_16] = unsupported; 421 422 Table[RTLIB::ATOMIC_STORE] = unsupported; 423 Table[RTLIB::ATOMIC_STORE_1] = unsupported; 424 Table[RTLIB::ATOMIC_STORE_2] = unsupported; 425 Table[RTLIB::ATOMIC_STORE_4] = unsupported; 426 Table[RTLIB::ATOMIC_STORE_8] = unsupported; 427 Table[RTLIB::ATOMIC_STORE_16] = unsupported; 428 429 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; 430 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; 431 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; 432 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; 433 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; 434 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; 435 436 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; 437 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; 438 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; 439 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; 440 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; 441 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; 442 443 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; 444 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; 445 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; 446 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; 447 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; 448 449 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; 450 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; 451 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; 452 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; 453 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; 454 455 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; 456 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; 457 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; 458 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; 459 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; 460 461 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; 462 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; 463 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; 464 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; 465 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; 466 467 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; 468 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; 469 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; 470 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; 471 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; 472 473 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; 474 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; 475 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; 476 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; 477 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; 478 } 479 }; 480 481 ManagedStatic<RuntimeLibcallSignatureTable> RuntimeLibcallSignatures; 482 483 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a 484 // constructor for use with ManagedStatic 485 struct StaticLibcallNameMap { 486 StringMap<RTLIB::Libcall> Map; 487 StaticLibcallNameMap() { 488 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { 489 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, 490 #include "llvm/IR/RuntimeLibcalls.def" 491 #undef HANDLE_LIBCALL 492 }; 493 for (const auto &NameLibcall : NameLibcalls) { 494 if (NameLibcall.first != nullptr && 495 RuntimeLibcallSignatures->Table[NameLibcall.second] != unsupported) { 496 assert(Map.find(NameLibcall.first) == Map.end() && 497 "duplicate libcall names in name map"); 498 Map[NameLibcall.first] = NameLibcall.second; 499 } 500 } 501 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is 502 // consistent with the f64 and f128 names. 503 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32; 504 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16; 505 506 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS; 507 } 508 }; 509 510 } // end anonymous namespace 511 512 void llvm::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 513 RTLIB::Libcall LC, 514 SmallVectorImpl<wasm::ValType> &Rets, 515 SmallVectorImpl<wasm::ValType> &Params) { 516 assert(Rets.empty()); 517 assert(Params.empty()); 518 519 wasm::ValType PtrTy = 520 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; 521 522 auto &Table = RuntimeLibcallSignatures->Table; 523 switch (Table[LC]) { 524 case func: 525 break; 526 case f32_func_f32: 527 Rets.push_back(wasm::ValType::F32); 528 Params.push_back(wasm::ValType::F32); 529 break; 530 case f32_func_f64: 531 Rets.push_back(wasm::ValType::F32); 532 Params.push_back(wasm::ValType::F64); 533 break; 534 case f32_func_i32: 535 Rets.push_back(wasm::ValType::F32); 536 Params.push_back(wasm::ValType::I32); 537 break; 538 case f32_func_i64: 539 Rets.push_back(wasm::ValType::F32); 540 Params.push_back(wasm::ValType::I64); 541 break; 542 case f32_func_i16: 543 Rets.push_back(wasm::ValType::F32); 544 Params.push_back(wasm::ValType::I32); 545 break; 546 case f64_func_f32: 547 Rets.push_back(wasm::ValType::F64); 548 Params.push_back(wasm::ValType::F32); 549 break; 550 case f64_func_f64: 551 Rets.push_back(wasm::ValType::F64); 552 Params.push_back(wasm::ValType::F64); 553 break; 554 case f64_func_i32: 555 Rets.push_back(wasm::ValType::F64); 556 Params.push_back(wasm::ValType::I32); 557 break; 558 case f64_func_i64: 559 Rets.push_back(wasm::ValType::F64); 560 Params.push_back(wasm::ValType::I64); 561 break; 562 case i32_func_f32: 563 Rets.push_back(wasm::ValType::I32); 564 Params.push_back(wasm::ValType::F32); 565 break; 566 case i32_func_f64: 567 Rets.push_back(wasm::ValType::I32); 568 Params.push_back(wasm::ValType::F64); 569 break; 570 case i32_func_i32: 571 Rets.push_back(wasm::ValType::I32); 572 Params.push_back(wasm::ValType::I32); 573 break; 574 case i64_func_f32: 575 Rets.push_back(wasm::ValType::I64); 576 Params.push_back(wasm::ValType::F32); 577 break; 578 case i64_func_f64: 579 Rets.push_back(wasm::ValType::I64); 580 Params.push_back(wasm::ValType::F64); 581 break; 582 case i64_func_i64: 583 Rets.push_back(wasm::ValType::I64); 584 Params.push_back(wasm::ValType::I64); 585 break; 586 case f32_func_f32_f32: 587 Rets.push_back(wasm::ValType::F32); 588 Params.push_back(wasm::ValType::F32); 589 Params.push_back(wasm::ValType::F32); 590 break; 591 case f32_func_f32_i32: 592 Rets.push_back(wasm::ValType::F32); 593 Params.push_back(wasm::ValType::F32); 594 Params.push_back(wasm::ValType::I32); 595 break; 596 case f32_func_i64_i64: 597 Rets.push_back(wasm::ValType::F32); 598 Params.push_back(wasm::ValType::I64); 599 Params.push_back(wasm::ValType::I64); 600 break; 601 case f64_func_f64_f64: 602 Rets.push_back(wasm::ValType::F64); 603 Params.push_back(wasm::ValType::F64); 604 Params.push_back(wasm::ValType::F64); 605 break; 606 case f64_func_f64_i32: 607 Rets.push_back(wasm::ValType::F64); 608 Params.push_back(wasm::ValType::F64); 609 Params.push_back(wasm::ValType::I32); 610 break; 611 case f64_func_i64_i64: 612 Rets.push_back(wasm::ValType::F64); 613 Params.push_back(wasm::ValType::I64); 614 Params.push_back(wasm::ValType::I64); 615 break; 616 case i16_func_f32: 617 Rets.push_back(wasm::ValType::I32); 618 Params.push_back(wasm::ValType::F32); 619 break; 620 case i16_func_f64: 621 Rets.push_back(wasm::ValType::I32); 622 Params.push_back(wasm::ValType::F64); 623 break; 624 case i16_func_i64_i64: 625 Rets.push_back(wasm::ValType::I32); 626 Params.push_back(wasm::ValType::I64); 627 Params.push_back(wasm::ValType::I64); 628 break; 629 case i8_func_i8_i8: 630 Rets.push_back(wasm::ValType::I32); 631 Params.push_back(wasm::ValType::I32); 632 Params.push_back(wasm::ValType::I32); 633 break; 634 case func_f32_iPTR_iPTR: 635 Params.push_back(wasm::ValType::F32); 636 Params.push_back(PtrTy); 637 Params.push_back(PtrTy); 638 break; 639 case func_f64_iPTR_iPTR: 640 Params.push_back(wasm::ValType::F64); 641 Params.push_back(PtrTy); 642 Params.push_back(PtrTy); 643 break; 644 case i16_func_i16_i16: 645 Rets.push_back(wasm::ValType::I32); 646 Params.push_back(wasm::ValType::I32); 647 Params.push_back(wasm::ValType::I32); 648 break; 649 case i32_func_f32_f32: 650 Rets.push_back(wasm::ValType::I32); 651 Params.push_back(wasm::ValType::F32); 652 Params.push_back(wasm::ValType::F32); 653 break; 654 case i32_func_f64_f64: 655 Rets.push_back(wasm::ValType::I32); 656 Params.push_back(wasm::ValType::F64); 657 Params.push_back(wasm::ValType::F64); 658 break; 659 case i32_func_i32_i32: 660 Rets.push_back(wasm::ValType::I32); 661 Params.push_back(wasm::ValType::I32); 662 Params.push_back(wasm::ValType::I32); 663 break; 664 case i32_func_i32_i32_iPTR: 665 Rets.push_back(wasm::ValType::I32); 666 Params.push_back(wasm::ValType::I32); 667 Params.push_back(wasm::ValType::I32); 668 Params.push_back(PtrTy); 669 break; 670 case i64_func_i64_i64: 671 Rets.push_back(wasm::ValType::I64); 672 Params.push_back(wasm::ValType::I64); 673 Params.push_back(wasm::ValType::I64); 674 break; 675 case i64_func_i64_i64_iPTR: 676 Rets.push_back(wasm::ValType::I64); 677 Params.push_back(wasm::ValType::I64); 678 Params.push_back(wasm::ValType::I64); 679 Params.push_back(PtrTy); 680 break; 681 case i64_i64_func_f32: 682 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 683 Rets.push_back(wasm::ValType::I64); 684 Rets.push_back(wasm::ValType::I64); 685 #else 686 Params.push_back(PtrTy); 687 #endif 688 Params.push_back(wasm::ValType::F32); 689 break; 690 case i64_i64_func_f64: 691 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 692 Rets.push_back(wasm::ValType::I64); 693 Rets.push_back(wasm::ValType::I64); 694 #else 695 Params.push_back(PtrTy); 696 #endif 697 Params.push_back(wasm::ValType::F64); 698 break; 699 case i16_i16_func_i16_i16: 700 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 701 Rets.push_back(wasm::ValType::I32); 702 Rets.push_back(wasm::ValType::I32); 703 #else 704 Params.push_back(PtrTy); 705 #endif 706 Params.push_back(wasm::ValType::I32); 707 Params.push_back(wasm::ValType::I32); 708 break; 709 case i32_i32_func_i32_i32: 710 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 711 Rets.push_back(wasm::ValType::I32); 712 Rets.push_back(wasm::ValType::I32); 713 #else 714 Params.push_back(PtrTy); 715 #endif 716 Params.push_back(wasm::ValType::I32); 717 Params.push_back(wasm::ValType::I32); 718 break; 719 case i64_i64_func_i64_i64: 720 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 721 Rets.push_back(wasm::ValType::I64); 722 Rets.push_back(wasm::ValType::I64); 723 #else 724 Params.push_back(PtrTy); 725 #endif 726 Params.push_back(wasm::ValType::I64); 727 Params.push_back(wasm::ValType::I64); 728 break; 729 case i64_i64_func_i64_i64_i64_i64: 730 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 731 Rets.push_back(wasm::ValType::I64); 732 Rets.push_back(wasm::ValType::I64); 733 #else 734 Params.push_back(PtrTy); 735 #endif 736 Params.push_back(wasm::ValType::I64); 737 Params.push_back(wasm::ValType::I64); 738 Params.push_back(wasm::ValType::I64); 739 Params.push_back(wasm::ValType::I64); 740 break; 741 case i64_i64_func_i64_i64_i64_i64_iPTR: 742 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 743 Rets.push_back(wasm::ValType::I64); 744 Rets.push_back(wasm::ValType::I64); 745 #else 746 Params.push_back(PtrTy); 747 #endif 748 Params.push_back(wasm::ValType::I64); 749 Params.push_back(wasm::ValType::I64); 750 Params.push_back(wasm::ValType::I64); 751 Params.push_back(wasm::ValType::I64); 752 Params.push_back(PtrTy); 753 break; 754 case i64_i64_i64_i64_func_i64_i64_i64_i64: 755 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 756 Rets.push_back(wasm::ValType::I64); 757 Rets.push_back(wasm::ValType::I64); 758 Rets.push_back(wasm::ValType::I64); 759 Rets.push_back(wasm::ValType::I64); 760 #else 761 Params.push_back(PtrTy); 762 #endif 763 Params.push_back(wasm::ValType::I64); 764 Params.push_back(wasm::ValType::I64); 765 Params.push_back(wasm::ValType::I64); 766 Params.push_back(wasm::ValType::I64); 767 break; 768 case i64_i64_func_i64_i64_i32: 769 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 770 Rets.push_back(wasm::ValType::I64); 771 Rets.push_back(wasm::ValType::I64); 772 Rets.push_back(wasm::ValType::I64); 773 Rets.push_back(wasm::ValType::I64); 774 #else 775 Params.push_back(PtrTy); 776 #endif 777 Params.push_back(wasm::ValType::I64); 778 Params.push_back(wasm::ValType::I64); 779 Params.push_back(wasm::ValType::I32); 780 break; 781 case iPTR_func_iPTR_i32_iPTR: 782 Rets.push_back(PtrTy); 783 Params.push_back(PtrTy); 784 Params.push_back(wasm::ValType::I32); 785 Params.push_back(PtrTy); 786 break; 787 case iPTR_func_iPTR_iPTR_iPTR: 788 Rets.push_back(PtrTy); 789 Params.push_back(PtrTy); 790 Params.push_back(PtrTy); 791 Params.push_back(PtrTy); 792 break; 793 case f32_func_f32_f32_f32: 794 Rets.push_back(wasm::ValType::F32); 795 Params.push_back(wasm::ValType::F32); 796 Params.push_back(wasm::ValType::F32); 797 Params.push_back(wasm::ValType::F32); 798 break; 799 case f64_func_f64_f64_f64: 800 Rets.push_back(wasm::ValType::F64); 801 Params.push_back(wasm::ValType::F64); 802 Params.push_back(wasm::ValType::F64); 803 Params.push_back(wasm::ValType::F64); 804 break; 805 case func_i64_i64_iPTR_iPTR: 806 Params.push_back(wasm::ValType::I64); 807 Params.push_back(wasm::ValType::I64); 808 Params.push_back(PtrTy); 809 Params.push_back(PtrTy); 810 break; 811 case func_iPTR_f32: 812 Params.push_back(PtrTy); 813 Params.push_back(wasm::ValType::F32); 814 break; 815 case func_iPTR_f64: 816 Params.push_back(PtrTy); 817 Params.push_back(wasm::ValType::F64); 818 break; 819 case func_iPTR_i32: 820 Params.push_back(PtrTy); 821 Params.push_back(wasm::ValType::I32); 822 break; 823 case func_iPTR_i64: 824 Params.push_back(PtrTy); 825 Params.push_back(wasm::ValType::I64); 826 break; 827 case func_iPTR_i64_i64: 828 Params.push_back(PtrTy); 829 Params.push_back(wasm::ValType::I64); 830 Params.push_back(wasm::ValType::I64); 831 break; 832 case func_iPTR_i64_i64_i64_i64: 833 Params.push_back(PtrTy); 834 Params.push_back(wasm::ValType::I64); 835 Params.push_back(wasm::ValType::I64); 836 Params.push_back(wasm::ValType::I64); 837 Params.push_back(wasm::ValType::I64); 838 break; 839 case func_iPTR_i64_i64_i64_i64_i64_i64: 840 Params.push_back(PtrTy); 841 Params.push_back(wasm::ValType::I64); 842 Params.push_back(wasm::ValType::I64); 843 Params.push_back(wasm::ValType::I64); 844 Params.push_back(wasm::ValType::I64); 845 Params.push_back(wasm::ValType::I64); 846 Params.push_back(wasm::ValType::I64); 847 break; 848 case i32_func_i64_i64: 849 Rets.push_back(wasm::ValType::I32); 850 Params.push_back(wasm::ValType::I64); 851 Params.push_back(wasm::ValType::I64); 852 break; 853 case i32_func_i64_i64_i64_i64: 854 Rets.push_back(wasm::ValType::I32); 855 Params.push_back(wasm::ValType::I64); 856 Params.push_back(wasm::ValType::I64); 857 Params.push_back(wasm::ValType::I64); 858 Params.push_back(wasm::ValType::I64); 859 break; 860 case iPTR_func_f32: 861 Rets.push_back(PtrTy); 862 Params.push_back(wasm::ValType::F32); 863 break; 864 case iPTR_func_f64: 865 Rets.push_back(PtrTy); 866 Params.push_back(wasm::ValType::F64); 867 break; 868 case iPTR_func_i64_i64: 869 Rets.push_back(PtrTy); 870 Params.push_back(wasm::ValType::I64); 871 Params.push_back(wasm::ValType::I64); 872 break; 873 case unsupported: 874 llvm_unreachable("unsupported runtime library signature"); 875 } 876 } 877 878 static ManagedStatic<StaticLibcallNameMap> LibcallNameMap; 879 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unsed 880 // other than here, just roll its logic into this version. 881 void llvm::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 882 const char *Name, 883 SmallVectorImpl<wasm::ValType> &Rets, 884 SmallVectorImpl<wasm::ValType> &Params) { 885 auto &Map = LibcallNameMap->Map; 886 auto Val = Map.find(Name); 887 #ifndef NDEBUG 888 if (Val == Map.end()) { 889 auto message = std::string("unexpected runtime library name: ") + Name; 890 llvm_unreachable(message.c_str()); 891 } 892 #endif 893 return getLibcallSignature(Subtarget, Val->second, Rets, Params); 894 } 895