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_i32, 86 func_iPTR_i64_i64_i64_i64, 87 func_iPTR_i64_i64_i64_i64_i64_i64, 88 i32_func_i64_i64, 89 i32_func_i64_i64_i64_i64, 90 iPTR_func_f32, 91 iPTR_func_f64, 92 iPTR_func_i64_i64, 93 unsupported 94 }; 95 96 struct RuntimeLibcallSignatureTable { 97 std::vector<RuntimeLibcallSignature> Table; 98 99 // Any newly-added libcalls will be unsupported by default. 100 RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) { 101 // Integer 102 Table[RTLIB::SHL_I16] = i16_func_i16_i16; 103 Table[RTLIB::SHL_I32] = i32_func_i32_i32; 104 Table[RTLIB::SHL_I64] = i64_func_i64_i64; 105 Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32; 106 Table[RTLIB::SRL_I16] = i16_func_i16_i16; 107 Table[RTLIB::SRL_I32] = i32_func_i32_i32; 108 Table[RTLIB::SRL_I64] = i64_func_i64_i64; 109 Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32; 110 Table[RTLIB::SRA_I16] = i16_func_i16_i16; 111 Table[RTLIB::SRA_I32] = i32_func_i32_i32; 112 Table[RTLIB::SRA_I64] = i64_func_i64_i64; 113 Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32; 114 Table[RTLIB::MUL_I8] = i8_func_i8_i8; 115 Table[RTLIB::MUL_I16] = i16_func_i16_i16; 116 Table[RTLIB::MUL_I32] = i32_func_i32_i32; 117 Table[RTLIB::MUL_I64] = i64_func_i64_i64; 118 Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64; 119 Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR; 120 Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR; 121 Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR; 122 Table[RTLIB::SDIV_I8] = i8_func_i8_i8; 123 Table[RTLIB::SDIV_I16] = i16_func_i16_i16; 124 Table[RTLIB::SDIV_I32] = i32_func_i32_i32; 125 Table[RTLIB::SDIV_I64] = i64_func_i64_i64; 126 Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64; 127 Table[RTLIB::UDIV_I8] = i8_func_i8_i8; 128 Table[RTLIB::UDIV_I16] = i16_func_i16_i16; 129 Table[RTLIB::UDIV_I32] = i32_func_i32_i32; 130 Table[RTLIB::UDIV_I64] = i64_func_i64_i64; 131 Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64; 132 Table[RTLIB::SREM_I8] = i8_func_i8_i8; 133 Table[RTLIB::SREM_I16] = i16_func_i16_i16; 134 Table[RTLIB::SREM_I32] = i32_func_i32_i32; 135 Table[RTLIB::SREM_I64] = i64_func_i64_i64; 136 Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64; 137 Table[RTLIB::UREM_I8] = i8_func_i8_i8; 138 Table[RTLIB::UREM_I16] = i16_func_i16_i16; 139 Table[RTLIB::UREM_I32] = i32_func_i32_i32; 140 Table[RTLIB::UREM_I64] = i64_func_i64_i64; 141 Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64; 142 Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8; 143 Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16; 144 Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32; 145 Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64; 146 Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; 147 Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8; 148 Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16; 149 Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32; 150 Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64; 151 Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; 152 Table[RTLIB::NEG_I32] = i32_func_i32; 153 Table[RTLIB::NEG_I64] = i64_func_i64; 154 155 // Floating-point. 156 // All F80 and PPCF128 routines are unsupported. 157 Table[RTLIB::ADD_F32] = f32_func_f32_f32; 158 Table[RTLIB::ADD_F64] = f64_func_f64_f64; 159 Table[RTLIB::ADD_F128] = func_iPTR_i64_i64_i64_i64; 160 Table[RTLIB::SUB_F32] = f32_func_f32_f32; 161 Table[RTLIB::SUB_F64] = f64_func_f64_f64; 162 Table[RTLIB::SUB_F128] = func_iPTR_i64_i64_i64_i64; 163 Table[RTLIB::MUL_F32] = f32_func_f32_f32; 164 Table[RTLIB::MUL_F64] = f64_func_f64_f64; 165 Table[RTLIB::MUL_F128] = func_iPTR_i64_i64_i64_i64; 166 Table[RTLIB::DIV_F32] = f32_func_f32_f32; 167 Table[RTLIB::DIV_F64] = f64_func_f64_f64; 168 Table[RTLIB::DIV_F128] = func_iPTR_i64_i64_i64_i64; 169 Table[RTLIB::REM_F32] = f32_func_f32_f32; 170 Table[RTLIB::REM_F64] = f64_func_f64_f64; 171 Table[RTLIB::REM_F128] = func_iPTR_i64_i64_i64_i64; 172 Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32; 173 Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64; 174 Table[RTLIB::FMA_F128] = func_iPTR_i64_i64_i64_i64_i64_i64; 175 Table[RTLIB::POWI_F32] = f32_func_f32_i32; 176 Table[RTLIB::POWI_F64] = f64_func_f64_i32; 177 Table[RTLIB::POWI_F128] = func_iPTR_i64_i64_i32; 178 Table[RTLIB::SQRT_F32] = f32_func_f32; 179 Table[RTLIB::SQRT_F64] = f64_func_f64; 180 Table[RTLIB::SQRT_F128] = func_iPTR_i64_i64; 181 Table[RTLIB::LOG_F32] = f32_func_f32; 182 Table[RTLIB::LOG_F64] = f64_func_f64; 183 Table[RTLIB::LOG_F128] = func_iPTR_i64_i64; 184 Table[RTLIB::LOG2_F32] = f32_func_f32; 185 Table[RTLIB::LOG2_F64] = f64_func_f64; 186 Table[RTLIB::LOG2_F128] = func_iPTR_i64_i64; 187 Table[RTLIB::LOG10_F32] = f32_func_f32; 188 Table[RTLIB::LOG10_F64] = f64_func_f64; 189 Table[RTLIB::LOG10_F128] = func_iPTR_i64_i64; 190 Table[RTLIB::EXP_F32] = f32_func_f32; 191 Table[RTLIB::EXP_F64] = f64_func_f64; 192 Table[RTLIB::EXP_F128] = func_iPTR_i64_i64; 193 Table[RTLIB::EXP2_F32] = f32_func_f32; 194 Table[RTLIB::EXP2_F64] = f64_func_f64; 195 Table[RTLIB::EXP2_F128] = func_iPTR_i64_i64; 196 Table[RTLIB::SIN_F32] = f32_func_f32; 197 Table[RTLIB::SIN_F64] = f64_func_f64; 198 Table[RTLIB::SIN_F128] = func_iPTR_i64_i64; 199 Table[RTLIB::COS_F32] = f32_func_f32; 200 Table[RTLIB::COS_F64] = f64_func_f64; 201 Table[RTLIB::COS_F128] = func_iPTR_i64_i64; 202 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; 203 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; 204 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; 205 Table[RTLIB::POW_F32] = f32_func_f32_f32; 206 Table[RTLIB::POW_F64] = f64_func_f64_f64; 207 Table[RTLIB::POW_F128] = func_iPTR_i64_i64_i64_i64; 208 Table[RTLIB::CEIL_F32] = f32_func_f32; 209 Table[RTLIB::CEIL_F64] = f64_func_f64; 210 Table[RTLIB::CEIL_F128] = func_iPTR_i64_i64; 211 Table[RTLIB::TRUNC_F32] = f32_func_f32; 212 Table[RTLIB::TRUNC_F64] = f64_func_f64; 213 Table[RTLIB::TRUNC_F128] = func_iPTR_i64_i64; 214 Table[RTLIB::RINT_F32] = f32_func_f32; 215 Table[RTLIB::RINT_F64] = f64_func_f64; 216 Table[RTLIB::RINT_F128] = func_iPTR_i64_i64; 217 Table[RTLIB::NEARBYINT_F32] = f32_func_f32; 218 Table[RTLIB::NEARBYINT_F64] = f64_func_f64; 219 Table[RTLIB::NEARBYINT_F128] = func_iPTR_i64_i64; 220 Table[RTLIB::ROUND_F32] = f32_func_f32; 221 Table[RTLIB::ROUND_F64] = f64_func_f64; 222 Table[RTLIB::ROUND_F128] = func_iPTR_i64_i64; 223 Table[RTLIB::LROUND_F32] = iPTR_func_f32; 224 Table[RTLIB::LROUND_F64] = iPTR_func_f64; 225 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64; 226 Table[RTLIB::LLROUND_F32] = i64_func_f32; 227 Table[RTLIB::LLROUND_F64] = i64_func_f64; 228 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64; 229 Table[RTLIB::LRINT_F32] = iPTR_func_f32; 230 Table[RTLIB::LRINT_F64] = iPTR_func_f64; 231 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64; 232 Table[RTLIB::LLRINT_F32] = i64_func_f32; 233 Table[RTLIB::LLRINT_F64] = i64_func_f64; 234 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64; 235 Table[RTLIB::FLOOR_F32] = f32_func_f32; 236 Table[RTLIB::FLOOR_F64] = f64_func_f64; 237 Table[RTLIB::FLOOR_F128] = func_iPTR_i64_i64; 238 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; 239 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; 240 Table[RTLIB::COPYSIGN_F128] = func_iPTR_i64_i64_i64_i64; 241 Table[RTLIB::FMIN_F32] = f32_func_f32_f32; 242 Table[RTLIB::FMIN_F64] = f64_func_f64_f64; 243 Table[RTLIB::FMIN_F128] = func_iPTR_i64_i64_i64_i64; 244 Table[RTLIB::FMAX_F32] = f32_func_f32_f32; 245 Table[RTLIB::FMAX_F64] = f64_func_f64_f64; 246 Table[RTLIB::FMAX_F128] = func_iPTR_i64_i64_i64_i64; 247 248 // Conversion 249 // All F80 and PPCF128 routines are unsupported. 250 Table[RTLIB::FPEXT_F64_F128] = func_iPTR_f64; 251 Table[RTLIB::FPEXT_F32_F128] = func_iPTR_f32; 252 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; 253 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; 254 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; 255 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64; 256 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; 257 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64; 258 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; 259 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; 260 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; 261 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; 262 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; 263 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; 264 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; 265 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; 266 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; 267 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; 268 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; 269 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; 270 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; 271 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; 272 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; 273 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; 274 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; 275 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; 276 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; 277 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; 278 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; 279 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; 280 Table[RTLIB::SINTTOFP_I32_F128] = func_iPTR_i32; 281 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; 282 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; 283 Table[RTLIB::SINTTOFP_I64_F128] = func_iPTR_i64; 284 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; 285 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; 286 Table[RTLIB::SINTTOFP_I128_F128] = func_iPTR_i64_i64; 287 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; 288 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; 289 Table[RTLIB::UINTTOFP_I32_F128] = func_iPTR_i32; 290 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; 291 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; 292 Table[RTLIB::UINTTOFP_I64_F128] = func_iPTR_i64; 293 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; 294 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; 295 Table[RTLIB::UINTTOFP_I128_F128] = func_iPTR_i64_i64; 296 297 // Comparison 298 // ALl F80 and PPCF128 routines are unsupported. 299 Table[RTLIB::OEQ_F32] = i32_func_f32_f32; 300 Table[RTLIB::OEQ_F64] = i32_func_f64_f64; 301 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; 302 Table[RTLIB::UNE_F32] = i32_func_f32_f32; 303 Table[RTLIB::UNE_F64] = i32_func_f64_f64; 304 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; 305 Table[RTLIB::OGE_F32] = i32_func_f32_f32; 306 Table[RTLIB::OGE_F64] = i32_func_f64_f64; 307 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; 308 Table[RTLIB::OLT_F32] = i32_func_f32_f32; 309 Table[RTLIB::OLT_F64] = i32_func_f64_f64; 310 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; 311 Table[RTLIB::OLE_F32] = i32_func_f32_f32; 312 Table[RTLIB::OLE_F64] = i32_func_f64_f64; 313 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; 314 Table[RTLIB::OGT_F32] = i32_func_f32_f32; 315 Table[RTLIB::OGT_F64] = i32_func_f64_f64; 316 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; 317 Table[RTLIB::UO_F32] = i32_func_f32_f32; 318 Table[RTLIB::UO_F64] = i32_func_f64_f64; 319 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; 320 321 // Memory 322 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; 323 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; 324 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; 325 326 // __stack_chk_fail 327 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func; 328 329 // Return address handling 330 Table[RTLIB::RETURN_ADDRESS] = i32_func_i32; 331 332 // Element-wise Atomic memory 333 // TODO: Fix these when we implement atomic support 334 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 335 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 336 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 337 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 338 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 339 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 340 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 341 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 342 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 343 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 344 345 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 346 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 347 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 348 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 349 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 350 351 // Atomic '__sync_*' libcalls. 352 // TODO: Fix these when we implement atomic support 353 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; 354 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; 355 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; 356 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; 357 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; 358 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; 359 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; 360 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; 361 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; 362 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; 363 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; 364 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; 365 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; 366 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; 367 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; 368 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; 369 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; 370 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; 371 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; 372 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; 373 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; 374 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; 375 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; 376 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; 377 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; 378 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; 379 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; 380 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; 381 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; 382 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; 383 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; 384 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; 385 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; 386 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; 387 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; 388 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; 389 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; 390 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; 391 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; 392 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; 393 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; 394 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; 395 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; 396 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; 397 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; 398 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; 399 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; 400 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; 401 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; 402 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; 403 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; 404 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; 405 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; 406 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; 407 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; 408 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; 409 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; 410 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; 411 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; 412 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; 413 414 // Atomic '__atomic_*' libcalls. 415 // TODO: Fix these when we implement atomic support 416 Table[RTLIB::ATOMIC_LOAD] = unsupported; 417 Table[RTLIB::ATOMIC_LOAD_1] = unsupported; 418 Table[RTLIB::ATOMIC_LOAD_2] = unsupported; 419 Table[RTLIB::ATOMIC_LOAD_4] = unsupported; 420 Table[RTLIB::ATOMIC_LOAD_8] = unsupported; 421 Table[RTLIB::ATOMIC_LOAD_16] = unsupported; 422 423 Table[RTLIB::ATOMIC_STORE] = unsupported; 424 Table[RTLIB::ATOMIC_STORE_1] = unsupported; 425 Table[RTLIB::ATOMIC_STORE_2] = unsupported; 426 Table[RTLIB::ATOMIC_STORE_4] = unsupported; 427 Table[RTLIB::ATOMIC_STORE_8] = unsupported; 428 Table[RTLIB::ATOMIC_STORE_16] = unsupported; 429 430 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; 431 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; 432 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; 433 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; 434 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; 435 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; 436 437 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; 438 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; 439 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; 440 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; 441 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; 442 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; 443 444 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; 445 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; 446 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; 447 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; 448 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; 449 450 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; 451 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; 452 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; 453 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; 454 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; 455 456 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; 457 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; 458 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; 459 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; 460 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; 461 462 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; 463 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; 464 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; 465 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; 466 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; 467 468 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; 469 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; 470 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; 471 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; 472 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; 473 474 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; 475 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; 476 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; 477 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; 478 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; 479 } 480 }; 481 482 ManagedStatic<RuntimeLibcallSignatureTable> RuntimeLibcallSignatures; 483 484 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a 485 // constructor for use with ManagedStatic 486 struct StaticLibcallNameMap { 487 StringMap<RTLIB::Libcall> Map; 488 StaticLibcallNameMap() { 489 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { 490 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, 491 #include "llvm/IR/RuntimeLibcalls.def" 492 #undef HANDLE_LIBCALL 493 }; 494 for (const auto &NameLibcall : NameLibcalls) { 495 if (NameLibcall.first != nullptr && 496 RuntimeLibcallSignatures->Table[NameLibcall.second] != unsupported) { 497 assert(Map.find(NameLibcall.first) == Map.end() && 498 "duplicate libcall names in name map"); 499 Map[NameLibcall.first] = NameLibcall.second; 500 } 501 } 502 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is 503 // consistent with the f64 and f128 names. 504 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32; 505 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16; 506 507 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS; 508 } 509 }; 510 511 } // end anonymous namespace 512 513 void llvm::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 514 RTLIB::Libcall LC, 515 SmallVectorImpl<wasm::ValType> &Rets, 516 SmallVectorImpl<wasm::ValType> &Params) { 517 assert(Rets.empty()); 518 assert(Params.empty()); 519 520 wasm::ValType PtrTy = 521 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; 522 523 auto &Table = RuntimeLibcallSignatures->Table; 524 switch (Table[LC]) { 525 case func: 526 break; 527 case f32_func_f32: 528 Rets.push_back(wasm::ValType::F32); 529 Params.push_back(wasm::ValType::F32); 530 break; 531 case f32_func_f64: 532 Rets.push_back(wasm::ValType::F32); 533 Params.push_back(wasm::ValType::F64); 534 break; 535 case f32_func_i32: 536 Rets.push_back(wasm::ValType::F32); 537 Params.push_back(wasm::ValType::I32); 538 break; 539 case f32_func_i64: 540 Rets.push_back(wasm::ValType::F32); 541 Params.push_back(wasm::ValType::I64); 542 break; 543 case f32_func_i16: 544 Rets.push_back(wasm::ValType::F32); 545 Params.push_back(wasm::ValType::I32); 546 break; 547 case f64_func_f32: 548 Rets.push_back(wasm::ValType::F64); 549 Params.push_back(wasm::ValType::F32); 550 break; 551 case f64_func_f64: 552 Rets.push_back(wasm::ValType::F64); 553 Params.push_back(wasm::ValType::F64); 554 break; 555 case f64_func_i32: 556 Rets.push_back(wasm::ValType::F64); 557 Params.push_back(wasm::ValType::I32); 558 break; 559 case f64_func_i64: 560 Rets.push_back(wasm::ValType::F64); 561 Params.push_back(wasm::ValType::I64); 562 break; 563 case i32_func_f32: 564 Rets.push_back(wasm::ValType::I32); 565 Params.push_back(wasm::ValType::F32); 566 break; 567 case i32_func_f64: 568 Rets.push_back(wasm::ValType::I32); 569 Params.push_back(wasm::ValType::F64); 570 break; 571 case i32_func_i32: 572 Rets.push_back(wasm::ValType::I32); 573 Params.push_back(wasm::ValType::I32); 574 break; 575 case i64_func_f32: 576 Rets.push_back(wasm::ValType::I64); 577 Params.push_back(wasm::ValType::F32); 578 break; 579 case i64_func_f64: 580 Rets.push_back(wasm::ValType::I64); 581 Params.push_back(wasm::ValType::F64); 582 break; 583 case i64_func_i64: 584 Rets.push_back(wasm::ValType::I64); 585 Params.push_back(wasm::ValType::I64); 586 break; 587 case f32_func_f32_f32: 588 Rets.push_back(wasm::ValType::F32); 589 Params.push_back(wasm::ValType::F32); 590 Params.push_back(wasm::ValType::F32); 591 break; 592 case f32_func_f32_i32: 593 Rets.push_back(wasm::ValType::F32); 594 Params.push_back(wasm::ValType::F32); 595 Params.push_back(wasm::ValType::I32); 596 break; 597 case f32_func_i64_i64: 598 Rets.push_back(wasm::ValType::F32); 599 Params.push_back(wasm::ValType::I64); 600 Params.push_back(wasm::ValType::I64); 601 break; 602 case f64_func_f64_f64: 603 Rets.push_back(wasm::ValType::F64); 604 Params.push_back(wasm::ValType::F64); 605 Params.push_back(wasm::ValType::F64); 606 break; 607 case f64_func_f64_i32: 608 Rets.push_back(wasm::ValType::F64); 609 Params.push_back(wasm::ValType::F64); 610 Params.push_back(wasm::ValType::I32); 611 break; 612 case f64_func_i64_i64: 613 Rets.push_back(wasm::ValType::F64); 614 Params.push_back(wasm::ValType::I64); 615 Params.push_back(wasm::ValType::I64); 616 break; 617 case i16_func_f32: 618 Rets.push_back(wasm::ValType::I32); 619 Params.push_back(wasm::ValType::F32); 620 break; 621 case i16_func_f64: 622 Rets.push_back(wasm::ValType::I32); 623 Params.push_back(wasm::ValType::F64); 624 break; 625 case i16_func_i64_i64: 626 Rets.push_back(wasm::ValType::I32); 627 Params.push_back(wasm::ValType::I64); 628 Params.push_back(wasm::ValType::I64); 629 break; 630 case i8_func_i8_i8: 631 Rets.push_back(wasm::ValType::I32); 632 Params.push_back(wasm::ValType::I32); 633 Params.push_back(wasm::ValType::I32); 634 break; 635 case func_f32_iPTR_iPTR: 636 Params.push_back(wasm::ValType::F32); 637 Params.push_back(PtrTy); 638 Params.push_back(PtrTy); 639 break; 640 case func_f64_iPTR_iPTR: 641 Params.push_back(wasm::ValType::F64); 642 Params.push_back(PtrTy); 643 Params.push_back(PtrTy); 644 break; 645 case i16_func_i16_i16: 646 Rets.push_back(wasm::ValType::I32); 647 Params.push_back(wasm::ValType::I32); 648 Params.push_back(wasm::ValType::I32); 649 break; 650 case i32_func_f32_f32: 651 Rets.push_back(wasm::ValType::I32); 652 Params.push_back(wasm::ValType::F32); 653 Params.push_back(wasm::ValType::F32); 654 break; 655 case i32_func_f64_f64: 656 Rets.push_back(wasm::ValType::I32); 657 Params.push_back(wasm::ValType::F64); 658 Params.push_back(wasm::ValType::F64); 659 break; 660 case i32_func_i32_i32: 661 Rets.push_back(wasm::ValType::I32); 662 Params.push_back(wasm::ValType::I32); 663 Params.push_back(wasm::ValType::I32); 664 break; 665 case i32_func_i32_i32_iPTR: 666 Rets.push_back(wasm::ValType::I32); 667 Params.push_back(wasm::ValType::I32); 668 Params.push_back(wasm::ValType::I32); 669 Params.push_back(PtrTy); 670 break; 671 case i64_func_i64_i64: 672 Rets.push_back(wasm::ValType::I64); 673 Params.push_back(wasm::ValType::I64); 674 Params.push_back(wasm::ValType::I64); 675 break; 676 case i64_func_i64_i64_iPTR: 677 Rets.push_back(wasm::ValType::I64); 678 Params.push_back(wasm::ValType::I64); 679 Params.push_back(wasm::ValType::I64); 680 Params.push_back(PtrTy); 681 break; 682 case i64_i64_func_f32: 683 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 684 Rets.push_back(wasm::ValType::I64); 685 Rets.push_back(wasm::ValType::I64); 686 #else 687 Params.push_back(PtrTy); 688 #endif 689 Params.push_back(wasm::ValType::F32); 690 break; 691 case i64_i64_func_f64: 692 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 693 Rets.push_back(wasm::ValType::I64); 694 Rets.push_back(wasm::ValType::I64); 695 #else 696 Params.push_back(PtrTy); 697 #endif 698 Params.push_back(wasm::ValType::F64); 699 break; 700 case i16_i16_func_i16_i16: 701 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 702 Rets.push_back(wasm::ValType::I32); 703 Rets.push_back(wasm::ValType::I32); 704 #else 705 Params.push_back(PtrTy); 706 #endif 707 Params.push_back(wasm::ValType::I32); 708 Params.push_back(wasm::ValType::I32); 709 break; 710 case i32_i32_func_i32_i32: 711 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 712 Rets.push_back(wasm::ValType::I32); 713 Rets.push_back(wasm::ValType::I32); 714 #else 715 Params.push_back(PtrTy); 716 #endif 717 Params.push_back(wasm::ValType::I32); 718 Params.push_back(wasm::ValType::I32); 719 break; 720 case i64_i64_func_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 #else 725 Params.push_back(PtrTy); 726 #endif 727 Params.push_back(wasm::ValType::I64); 728 Params.push_back(wasm::ValType::I64); 729 break; 730 case i64_i64_func_i64_i64_i64_i64: 731 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 732 Rets.push_back(wasm::ValType::I64); 733 Rets.push_back(wasm::ValType::I64); 734 #else 735 Params.push_back(PtrTy); 736 #endif 737 Params.push_back(wasm::ValType::I64); 738 Params.push_back(wasm::ValType::I64); 739 Params.push_back(wasm::ValType::I64); 740 Params.push_back(wasm::ValType::I64); 741 break; 742 case i64_i64_func_i64_i64_i64_i64_iPTR: 743 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 744 Rets.push_back(wasm::ValType::I64); 745 Rets.push_back(wasm::ValType::I64); 746 #else 747 Params.push_back(PtrTy); 748 #endif 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(wasm::ValType::I64); 753 Params.push_back(PtrTy); 754 break; 755 case i64_i64_i64_i64_func_i64_i64_i64_i64: 756 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 757 Rets.push_back(wasm::ValType::I64); 758 Rets.push_back(wasm::ValType::I64); 759 Rets.push_back(wasm::ValType::I64); 760 Rets.push_back(wasm::ValType::I64); 761 #else 762 Params.push_back(PtrTy); 763 #endif 764 Params.push_back(wasm::ValType::I64); 765 Params.push_back(wasm::ValType::I64); 766 Params.push_back(wasm::ValType::I64); 767 Params.push_back(wasm::ValType::I64); 768 break; 769 case i64_i64_func_i64_i64_i32: 770 #if 0 // TODO: Enable this when wasm gets multiple-return-value support. 771 Rets.push_back(wasm::ValType::I64); 772 Rets.push_back(wasm::ValType::I64); 773 Rets.push_back(wasm::ValType::I64); 774 Rets.push_back(wasm::ValType::I64); 775 #else 776 Params.push_back(PtrTy); 777 #endif 778 Params.push_back(wasm::ValType::I64); 779 Params.push_back(wasm::ValType::I64); 780 Params.push_back(wasm::ValType::I32); 781 break; 782 case iPTR_func_iPTR_i32_iPTR: 783 Rets.push_back(PtrTy); 784 Params.push_back(PtrTy); 785 Params.push_back(wasm::ValType::I32); 786 Params.push_back(PtrTy); 787 break; 788 case iPTR_func_iPTR_iPTR_iPTR: 789 Rets.push_back(PtrTy); 790 Params.push_back(PtrTy); 791 Params.push_back(PtrTy); 792 Params.push_back(PtrTy); 793 break; 794 case f32_func_f32_f32_f32: 795 Rets.push_back(wasm::ValType::F32); 796 Params.push_back(wasm::ValType::F32); 797 Params.push_back(wasm::ValType::F32); 798 Params.push_back(wasm::ValType::F32); 799 break; 800 case f64_func_f64_f64_f64: 801 Rets.push_back(wasm::ValType::F64); 802 Params.push_back(wasm::ValType::F64); 803 Params.push_back(wasm::ValType::F64); 804 Params.push_back(wasm::ValType::F64); 805 break; 806 case func_i64_i64_iPTR_iPTR: 807 Params.push_back(wasm::ValType::I64); 808 Params.push_back(wasm::ValType::I64); 809 Params.push_back(PtrTy); 810 Params.push_back(PtrTy); 811 break; 812 case func_iPTR_f32: 813 Params.push_back(PtrTy); 814 Params.push_back(wasm::ValType::F32); 815 break; 816 case func_iPTR_f64: 817 Params.push_back(PtrTy); 818 Params.push_back(wasm::ValType::F64); 819 break; 820 case func_iPTR_i32: 821 Params.push_back(PtrTy); 822 Params.push_back(wasm::ValType::I32); 823 break; 824 case func_iPTR_i64: 825 Params.push_back(PtrTy); 826 Params.push_back(wasm::ValType::I64); 827 break; 828 case func_iPTR_i64_i64: 829 Params.push_back(PtrTy); 830 Params.push_back(wasm::ValType::I64); 831 Params.push_back(wasm::ValType::I64); 832 break; 833 case func_iPTR_i64_i64_i32: 834 Params.push_back(PtrTy); 835 Params.push_back(wasm::ValType::I64); 836 Params.push_back(wasm::ValType::I64); 837 Params.push_back(wasm::ValType::I32); 838 break; 839 case func_iPTR_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 break; 846 case func_iPTR_i64_i64_i64_i64_i64_i64: 847 Params.push_back(PtrTy); 848 Params.push_back(wasm::ValType::I64); 849 Params.push_back(wasm::ValType::I64); 850 Params.push_back(wasm::ValType::I64); 851 Params.push_back(wasm::ValType::I64); 852 Params.push_back(wasm::ValType::I64); 853 Params.push_back(wasm::ValType::I64); 854 break; 855 case i32_func_i64_i64: 856 Rets.push_back(wasm::ValType::I32); 857 Params.push_back(wasm::ValType::I64); 858 Params.push_back(wasm::ValType::I64); 859 break; 860 case i32_func_i64_i64_i64_i64: 861 Rets.push_back(wasm::ValType::I32); 862 Params.push_back(wasm::ValType::I64); 863 Params.push_back(wasm::ValType::I64); 864 Params.push_back(wasm::ValType::I64); 865 Params.push_back(wasm::ValType::I64); 866 break; 867 case iPTR_func_f32: 868 Rets.push_back(PtrTy); 869 Params.push_back(wasm::ValType::F32); 870 break; 871 case iPTR_func_f64: 872 Rets.push_back(PtrTy); 873 Params.push_back(wasm::ValType::F64); 874 break; 875 case iPTR_func_i64_i64: 876 Rets.push_back(PtrTy); 877 Params.push_back(wasm::ValType::I64); 878 Params.push_back(wasm::ValType::I64); 879 break; 880 case unsupported: 881 llvm_unreachable("unsupported runtime library signature"); 882 } 883 } 884 885 static ManagedStatic<StaticLibcallNameMap> LibcallNameMap; 886 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unsed 887 // other than here, just roll its logic into this version. 888 void llvm::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 889 const char *Name, 890 SmallVectorImpl<wasm::ValType> &Rets, 891 SmallVectorImpl<wasm::ValType> &Params) { 892 auto &Map = LibcallNameMap->Map; 893 auto Val = Map.find(Name); 894 #ifndef NDEBUG 895 if (Val == Map.end()) { 896 auto message = std::string("unexpected runtime library name: ") + Name; 897 llvm_unreachable(message.c_str()); 898 } 899 #endif 900 return getLibcallSignature(Subtarget, Val->second, Rets, Params); 901 } 902