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 25 using namespace llvm; 26 27 namespace { 28 29 enum RuntimeLibcallSignature { 30 func, 31 f32_func_f32, 32 f32_func_f64, 33 f32_func_i32, 34 f32_func_i64, 35 f32_func_i16, 36 f64_func_f32, 37 f64_func_f64, 38 f64_func_i32, 39 f64_func_i64, 40 i32_func_f32, 41 i32_func_f64, 42 i32_func_i32, 43 i64_func_f32, 44 i64_func_f64, 45 i64_func_i64, 46 f32_func_f32_f32, 47 f32_func_f32_i32, 48 f32_func_i64_i64, 49 f64_func_f64_f64, 50 f64_func_f64_i32, 51 f64_func_i64_i64, 52 i16_func_f32, 53 i16_func_f64, 54 i16_func_i64_i64, 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_i32, 66 i64_i64_func_i64, 67 i64_i64_func_f32, 68 i64_i64_func_f64, 69 i16_i16_func_i16_i16, 70 i32_i32_func_i32_i32, 71 i64_i64_func_i64_i64, 72 i64_i64_func_i64_i64_i64_i64, 73 i64_i64_func_i64_i64_i64_i64_iPTR, 74 i64_i64_i64_i64_func_i64_i64_i64_i64, 75 i64_i64_func_i64_i64_i32, 76 i64_i64_func_i64_i64_i64_i64_i64_i64, 77 iPTR_func_i32, 78 iPTR_func_iPTR_i32_iPTR, 79 iPTR_func_iPTR_iPTR_iPTR, 80 f32_func_f32_f32_f32, 81 f64_func_f64_f64_f64, 82 func_i64_i64_iPTR_iPTR, 83 i32_func_i64_i64, 84 i32_func_i64_i64_i64_i64, 85 iPTR_func_f32, 86 iPTR_func_f64, 87 iPTR_func_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] = i64_i64_func_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] = i64_i64_func_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] = i64_i64_func_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] = i64_i64_func_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] = i64_i64_func_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] = i64_i64_func_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] = i64_i64_func_i64_i64_i32; 173 Table[RTLIB::SQRT_F32] = f32_func_f32; 174 Table[RTLIB::SQRT_F64] = f64_func_f64; 175 Table[RTLIB::SQRT_F128] = i64_i64_func_i64_i64; 176 Table[RTLIB::CBRT_F32] = f32_func_f32; 177 Table[RTLIB::CBRT_F64] = f64_func_f64; 178 Table[RTLIB::CBRT_F128] = i64_i64_func_i64_i64; 179 Table[RTLIB::LOG_F32] = f32_func_f32; 180 Table[RTLIB::LOG_F64] = f64_func_f64; 181 Table[RTLIB::LOG_F128] = i64_i64_func_i64_i64; 182 Table[RTLIB::LOG2_F32] = f32_func_f32; 183 Table[RTLIB::LOG2_F64] = f64_func_f64; 184 Table[RTLIB::LOG2_F128] = i64_i64_func_i64_i64; 185 Table[RTLIB::LOG10_F32] = f32_func_f32; 186 Table[RTLIB::LOG10_F64] = f64_func_f64; 187 Table[RTLIB::LOG10_F128] = i64_i64_func_i64_i64; 188 Table[RTLIB::EXP_F32] = f32_func_f32; 189 Table[RTLIB::EXP_F64] = f64_func_f64; 190 Table[RTLIB::EXP_F128] = i64_i64_func_i64_i64; 191 Table[RTLIB::EXP2_F32] = f32_func_f32; 192 Table[RTLIB::EXP2_F64] = f64_func_f64; 193 Table[RTLIB::EXP2_F128] = i64_i64_func_i64_i64; 194 Table[RTLIB::SIN_F32] = f32_func_f32; 195 Table[RTLIB::SIN_F64] = f64_func_f64; 196 Table[RTLIB::SIN_F128] = i64_i64_func_i64_i64; 197 Table[RTLIB::COS_F32] = f32_func_f32; 198 Table[RTLIB::COS_F64] = f64_func_f64; 199 Table[RTLIB::COS_F128] = i64_i64_func_i64_i64; 200 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; 201 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; 202 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; 203 Table[RTLIB::POW_F32] = f32_func_f32_f32; 204 Table[RTLIB::POW_F64] = f64_func_f64_f64; 205 Table[RTLIB::POW_F128] = i64_i64_func_i64_i64_i64_i64; 206 Table[RTLIB::CEIL_F32] = f32_func_f32; 207 Table[RTLIB::CEIL_F64] = f64_func_f64; 208 Table[RTLIB::CEIL_F128] = i64_i64_func_i64_i64; 209 Table[RTLIB::TRUNC_F32] = f32_func_f32; 210 Table[RTLIB::TRUNC_F64] = f64_func_f64; 211 Table[RTLIB::TRUNC_F128] = i64_i64_func_i64_i64; 212 Table[RTLIB::RINT_F32] = f32_func_f32; 213 Table[RTLIB::RINT_F64] = f64_func_f64; 214 Table[RTLIB::RINT_F128] = i64_i64_func_i64_i64; 215 Table[RTLIB::NEARBYINT_F32] = f32_func_f32; 216 Table[RTLIB::NEARBYINT_F64] = f64_func_f64; 217 Table[RTLIB::NEARBYINT_F128] = i64_i64_func_i64_i64; 218 Table[RTLIB::ROUND_F32] = f32_func_f32; 219 Table[RTLIB::ROUND_F64] = f64_func_f64; 220 Table[RTLIB::ROUND_F128] = i64_i64_func_i64_i64; 221 Table[RTLIB::ROUNDEVEN_F32] = f32_func_f32; 222 Table[RTLIB::ROUNDEVEN_F64] = f64_func_f64; 223 Table[RTLIB::ROUNDEVEN_F128] = i64_i64_func_i64_i64; 224 Table[RTLIB::LROUND_F32] = iPTR_func_f32; 225 Table[RTLIB::LROUND_F64] = iPTR_func_f64; 226 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64; 227 Table[RTLIB::LLROUND_F32] = i64_func_f32; 228 Table[RTLIB::LLROUND_F64] = i64_func_f64; 229 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64; 230 Table[RTLIB::LRINT_F32] = iPTR_func_f32; 231 Table[RTLIB::LRINT_F64] = iPTR_func_f64; 232 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64; 233 Table[RTLIB::LLRINT_F32] = i64_func_f32; 234 Table[RTLIB::LLRINT_F64] = i64_func_f64; 235 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64; 236 Table[RTLIB::FLOOR_F32] = f32_func_f32; 237 Table[RTLIB::FLOOR_F64] = f64_func_f64; 238 Table[RTLIB::FLOOR_F128] = i64_i64_func_i64_i64; 239 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; 240 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; 241 Table[RTLIB::COPYSIGN_F128] = i64_i64_func_i64_i64_i64_i64; 242 Table[RTLIB::FMIN_F32] = f32_func_f32_f32; 243 Table[RTLIB::FMIN_F64] = f64_func_f64_f64; 244 Table[RTLIB::FMIN_F128] = i64_i64_func_i64_i64_i64_i64; 245 Table[RTLIB::FMAX_F32] = f32_func_f32_f32; 246 Table[RTLIB::FMAX_F64] = f64_func_f64_f64; 247 Table[RTLIB::FMAX_F128] = i64_i64_func_i64_i64_i64_i64; 248 Table[RTLIB::LDEXP_F32] = f32_func_f32_i32; 249 Table[RTLIB::LDEXP_F64] = f64_func_f64_i32; 250 Table[RTLIB::LDEXP_F128] = i64_i64_func_i64_i64_i32; 251 Table[RTLIB::FREXP_F32] = f32_func_f32_i32; 252 Table[RTLIB::FREXP_F64] = f64_func_f64_i32; 253 Table[RTLIB::FREXP_F128] = i64_i64_func_i64_i64_i32; 254 255 // Conversion 256 // All F80 and PPCF128 routines are unsupported. 257 Table[RTLIB::FPEXT_F64_F128] = i64_i64_func_f64; 258 Table[RTLIB::FPEXT_F32_F128] = i64_i64_func_f32; 259 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; 260 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; 261 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; 262 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64; 263 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; 264 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64; 265 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; 266 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; 267 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; 268 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; 269 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; 270 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; 271 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; 272 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; 273 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; 274 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; 275 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; 276 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; 277 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; 278 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; 279 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; 280 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; 281 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; 282 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; 283 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; 284 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; 285 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; 286 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; 287 Table[RTLIB::SINTTOFP_I32_F128] = i64_i64_func_i32; 288 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; 289 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; 290 Table[RTLIB::SINTTOFP_I64_F128] = i64_i64_func_i64; 291 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; 292 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; 293 Table[RTLIB::SINTTOFP_I128_F128] = i64_i64_func_i64_i64; 294 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; 295 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; 296 Table[RTLIB::UINTTOFP_I32_F128] = i64_i64_func_i32; 297 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; 298 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; 299 Table[RTLIB::UINTTOFP_I64_F128] = i64_i64_func_i64; 300 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; 301 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; 302 Table[RTLIB::UINTTOFP_I128_F128] = i64_i64_func_i64_i64; 303 304 // Comparison 305 // ALl F80 and PPCF128 routines are unsupported. 306 Table[RTLIB::OEQ_F32] = i32_func_f32_f32; 307 Table[RTLIB::OEQ_F64] = i32_func_f64_f64; 308 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; 309 Table[RTLIB::UNE_F32] = i32_func_f32_f32; 310 Table[RTLIB::UNE_F64] = i32_func_f64_f64; 311 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; 312 Table[RTLIB::OGE_F32] = i32_func_f32_f32; 313 Table[RTLIB::OGE_F64] = i32_func_f64_f64; 314 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; 315 Table[RTLIB::OLT_F32] = i32_func_f32_f32; 316 Table[RTLIB::OLT_F64] = i32_func_f64_f64; 317 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; 318 Table[RTLIB::OLE_F32] = i32_func_f32_f32; 319 Table[RTLIB::OLE_F64] = i32_func_f64_f64; 320 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; 321 Table[RTLIB::OGT_F32] = i32_func_f32_f32; 322 Table[RTLIB::OGT_F64] = i32_func_f64_f64; 323 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; 324 Table[RTLIB::UO_F32] = i32_func_f32_f32; 325 Table[RTLIB::UO_F64] = i32_func_f64_f64; 326 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; 327 328 // Memory 329 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; 330 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; 331 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; 332 333 // __stack_chk_fail 334 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func; 335 336 // Return address handling 337 Table[RTLIB::RETURN_ADDRESS] = iPTR_func_i32; 338 339 // Element-wise Atomic memory 340 // TODO: Fix these when we implement atomic support 341 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 342 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 343 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 344 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 345 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 346 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 347 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 348 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 349 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 350 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 351 352 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 353 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 354 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 355 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 356 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 357 358 // Atomic '__sync_*' libcalls. 359 // TODO: Fix these when we implement atomic support 360 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; 361 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; 362 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; 363 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; 364 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; 365 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; 366 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; 367 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; 368 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; 369 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; 370 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; 371 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; 372 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; 373 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; 374 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; 375 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; 376 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; 377 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; 378 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; 379 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; 380 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; 381 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; 382 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; 383 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; 384 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; 385 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; 386 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; 387 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; 388 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; 389 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; 390 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; 391 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; 392 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; 393 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; 394 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; 395 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; 396 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; 397 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; 398 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; 399 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; 400 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; 401 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; 402 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; 403 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; 404 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; 405 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; 406 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; 407 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; 408 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; 409 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; 410 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; 411 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; 412 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; 413 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; 414 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; 415 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; 416 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; 417 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; 418 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; 419 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; 420 421 // Atomic '__atomic_*' libcalls. 422 // TODO: Fix these when we implement atomic support 423 Table[RTLIB::ATOMIC_LOAD] = unsupported; 424 Table[RTLIB::ATOMIC_LOAD_1] = unsupported; 425 Table[RTLIB::ATOMIC_LOAD_2] = unsupported; 426 Table[RTLIB::ATOMIC_LOAD_4] = unsupported; 427 Table[RTLIB::ATOMIC_LOAD_8] = unsupported; 428 Table[RTLIB::ATOMIC_LOAD_16] = unsupported; 429 430 Table[RTLIB::ATOMIC_STORE] = unsupported; 431 Table[RTLIB::ATOMIC_STORE_1] = unsupported; 432 Table[RTLIB::ATOMIC_STORE_2] = unsupported; 433 Table[RTLIB::ATOMIC_STORE_4] = unsupported; 434 Table[RTLIB::ATOMIC_STORE_8] = unsupported; 435 Table[RTLIB::ATOMIC_STORE_16] = unsupported; 436 437 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; 438 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; 439 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; 440 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; 441 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; 442 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; 443 444 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; 445 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; 446 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; 447 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; 448 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; 449 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; 450 451 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; 452 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; 453 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; 454 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; 455 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; 456 457 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; 458 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; 459 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; 460 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; 461 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; 462 463 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; 464 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; 465 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; 466 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; 467 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; 468 469 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; 470 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; 471 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; 472 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; 473 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; 474 475 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; 476 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; 477 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; 478 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; 479 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; 480 481 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; 482 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; 483 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; 484 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; 485 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; 486 } 487 }; 488 489 RuntimeLibcallSignatureTable &getRuntimeLibcallSignatures() { 490 static RuntimeLibcallSignatureTable RuntimeLibcallSignatures; 491 return RuntimeLibcallSignatures; 492 } 493 494 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a 495 // constructor for use with a static variable 496 struct StaticLibcallNameMap { 497 StringMap<RTLIB::Libcall> Map; 498 StaticLibcallNameMap() { 499 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { 500 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, 501 #include "llvm/IR/RuntimeLibcalls.def" 502 #undef HANDLE_LIBCALL 503 }; 504 for (const auto &NameLibcall : NameLibcalls) { 505 if (NameLibcall.first != nullptr && 506 getRuntimeLibcallSignatures().Table[NameLibcall.second] != 507 unsupported) { 508 assert(!Map.contains(NameLibcall.first) && 509 "duplicate libcall names in name map"); 510 Map[NameLibcall.first] = NameLibcall.second; 511 } 512 } 513 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is 514 // consistent with the f64 and f128 names. 515 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32; 516 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16; 517 518 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS; 519 } 520 }; 521 522 } // end anonymous namespace 523 524 void llvm::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 525 RTLIB::Libcall LC, 526 SmallVectorImpl<wasm::ValType> &Rets, 527 SmallVectorImpl<wasm::ValType> &Params) { 528 assert(Rets.empty()); 529 assert(Params.empty()); 530 531 wasm::ValType PtrTy = 532 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; 533 534 auto &Table = getRuntimeLibcallSignatures().Table; 535 switch (Table[LC]) { 536 case func: 537 break; 538 case f32_func_f32: 539 Rets.push_back(wasm::ValType::F32); 540 Params.push_back(wasm::ValType::F32); 541 break; 542 case f32_func_f64: 543 Rets.push_back(wasm::ValType::F32); 544 Params.push_back(wasm::ValType::F64); 545 break; 546 case f32_func_i32: 547 Rets.push_back(wasm::ValType::F32); 548 Params.push_back(wasm::ValType::I32); 549 break; 550 case f32_func_i64: 551 Rets.push_back(wasm::ValType::F32); 552 Params.push_back(wasm::ValType::I64); 553 break; 554 case f32_func_i16: 555 Rets.push_back(wasm::ValType::F32); 556 Params.push_back(wasm::ValType::I32); 557 break; 558 case f64_func_f32: 559 Rets.push_back(wasm::ValType::F64); 560 Params.push_back(wasm::ValType::F32); 561 break; 562 case f64_func_f64: 563 Rets.push_back(wasm::ValType::F64); 564 Params.push_back(wasm::ValType::F64); 565 break; 566 case f64_func_i32: 567 Rets.push_back(wasm::ValType::F64); 568 Params.push_back(wasm::ValType::I32); 569 break; 570 case f64_func_i64: 571 Rets.push_back(wasm::ValType::F64); 572 Params.push_back(wasm::ValType::I64); 573 break; 574 case i32_func_f32: 575 Rets.push_back(wasm::ValType::I32); 576 Params.push_back(wasm::ValType::F32); 577 break; 578 case i32_func_f64: 579 Rets.push_back(wasm::ValType::I32); 580 Params.push_back(wasm::ValType::F64); 581 break; 582 case i32_func_i32: 583 Rets.push_back(wasm::ValType::I32); 584 Params.push_back(wasm::ValType::I32); 585 break; 586 case i64_func_f32: 587 Rets.push_back(wasm::ValType::I64); 588 Params.push_back(wasm::ValType::F32); 589 break; 590 case i64_func_f64: 591 Rets.push_back(wasm::ValType::I64); 592 Params.push_back(wasm::ValType::F64); 593 break; 594 case i64_func_i64: 595 Rets.push_back(wasm::ValType::I64); 596 Params.push_back(wasm::ValType::I64); 597 break; 598 case f32_func_f32_f32: 599 Rets.push_back(wasm::ValType::F32); 600 Params.push_back(wasm::ValType::F32); 601 Params.push_back(wasm::ValType::F32); 602 break; 603 case f32_func_f32_i32: 604 Rets.push_back(wasm::ValType::F32); 605 Params.push_back(wasm::ValType::F32); 606 Params.push_back(wasm::ValType::I32); 607 break; 608 case f32_func_i64_i64: 609 Rets.push_back(wasm::ValType::F32); 610 Params.push_back(wasm::ValType::I64); 611 Params.push_back(wasm::ValType::I64); 612 break; 613 case f64_func_f64_f64: 614 Rets.push_back(wasm::ValType::F64); 615 Params.push_back(wasm::ValType::F64); 616 Params.push_back(wasm::ValType::F64); 617 break; 618 case f64_func_f64_i32: 619 Rets.push_back(wasm::ValType::F64); 620 Params.push_back(wasm::ValType::F64); 621 Params.push_back(wasm::ValType::I32); 622 break; 623 case f64_func_i64_i64: 624 Rets.push_back(wasm::ValType::F64); 625 Params.push_back(wasm::ValType::I64); 626 Params.push_back(wasm::ValType::I64); 627 break; 628 case i16_func_f32: 629 Rets.push_back(wasm::ValType::I32); 630 Params.push_back(wasm::ValType::F32); 631 break; 632 case i16_func_f64: 633 Rets.push_back(wasm::ValType::I32); 634 Params.push_back(wasm::ValType::F64); 635 break; 636 case i16_func_i64_i64: 637 Rets.push_back(wasm::ValType::I32); 638 Params.push_back(wasm::ValType::I64); 639 Params.push_back(wasm::ValType::I64); 640 break; 641 case i8_func_i8_i8: 642 Rets.push_back(wasm::ValType::I32); 643 Params.push_back(wasm::ValType::I32); 644 Params.push_back(wasm::ValType::I32); 645 break; 646 case func_f32_iPTR_iPTR: 647 Params.push_back(wasm::ValType::F32); 648 Params.push_back(PtrTy); 649 Params.push_back(PtrTy); 650 break; 651 case func_f64_iPTR_iPTR: 652 Params.push_back(wasm::ValType::F64); 653 Params.push_back(PtrTy); 654 Params.push_back(PtrTy); 655 break; 656 case i16_func_i16_i16: 657 Rets.push_back(wasm::ValType::I32); 658 Params.push_back(wasm::ValType::I32); 659 Params.push_back(wasm::ValType::I32); 660 break; 661 case i32_func_f32_f32: 662 Rets.push_back(wasm::ValType::I32); 663 Params.push_back(wasm::ValType::F32); 664 Params.push_back(wasm::ValType::F32); 665 break; 666 case i32_func_f64_f64: 667 Rets.push_back(wasm::ValType::I32); 668 Params.push_back(wasm::ValType::F64); 669 Params.push_back(wasm::ValType::F64); 670 break; 671 case i32_func_i32_i32: 672 Rets.push_back(wasm::ValType::I32); 673 Params.push_back(wasm::ValType::I32); 674 Params.push_back(wasm::ValType::I32); 675 break; 676 case i32_func_i32_i32_iPTR: 677 Rets.push_back(wasm::ValType::I32); 678 Params.push_back(wasm::ValType::I32); 679 Params.push_back(wasm::ValType::I32); 680 Params.push_back(PtrTy); 681 break; 682 case i64_func_i64_i64: 683 Rets.push_back(wasm::ValType::I64); 684 Params.push_back(wasm::ValType::I64); 685 Params.push_back(wasm::ValType::I64); 686 break; 687 case i64_func_i64_i64_iPTR: 688 Rets.push_back(wasm::ValType::I64); 689 Params.push_back(wasm::ValType::I64); 690 Params.push_back(wasm::ValType::I64); 691 Params.push_back(PtrTy); 692 break; 693 case i64_i64_func_f32: 694 if (Subtarget.hasMultivalue()) { 695 Rets.push_back(wasm::ValType::I64); 696 Rets.push_back(wasm::ValType::I64); 697 } else { 698 Params.push_back(PtrTy); 699 } 700 Params.push_back(wasm::ValType::F32); 701 break; 702 case i64_i64_func_f64: 703 if (Subtarget.hasMultivalue()) { 704 Rets.push_back(wasm::ValType::I64); 705 Rets.push_back(wasm::ValType::I64); 706 } else { 707 Params.push_back(PtrTy); 708 } 709 Params.push_back(wasm::ValType::F64); 710 break; 711 case i16_i16_func_i16_i16: 712 if (Subtarget.hasMultivalue()) { 713 Rets.push_back(wasm::ValType::I32); 714 Rets.push_back(wasm::ValType::I32); 715 } else { 716 Params.push_back(PtrTy); 717 } 718 Params.push_back(wasm::ValType::I32); 719 Params.push_back(wasm::ValType::I32); 720 break; 721 case i32_i32_func_i32_i32: 722 if (Subtarget.hasMultivalue()) { 723 Rets.push_back(wasm::ValType::I32); 724 Rets.push_back(wasm::ValType::I32); 725 } else { 726 Params.push_back(PtrTy); 727 } 728 Params.push_back(wasm::ValType::I32); 729 Params.push_back(wasm::ValType::I32); 730 break; 731 case i64_i64_func_i64_i64: 732 if (Subtarget.hasMultivalue()) { 733 Rets.push_back(wasm::ValType::I64); 734 Rets.push_back(wasm::ValType::I64); 735 } else { 736 Params.push_back(PtrTy); 737 } 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: 742 if (Subtarget.hasMultivalue()) { 743 Rets.push_back(wasm::ValType::I64); 744 Rets.push_back(wasm::ValType::I64); 745 } else { 746 Params.push_back(PtrTy); 747 } 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 break; 753 case i64_i64_func_i64_i64_i64_i64_iPTR: 754 if (Subtarget.hasMultivalue()) { 755 Rets.push_back(wasm::ValType::I64); 756 Rets.push_back(wasm::ValType::I64); 757 } else { 758 Params.push_back(PtrTy); 759 } 760 Params.push_back(wasm::ValType::I64); 761 Params.push_back(wasm::ValType::I64); 762 Params.push_back(wasm::ValType::I64); 763 Params.push_back(wasm::ValType::I64); 764 Params.push_back(PtrTy); 765 break; 766 case i64_i64_i64_i64_func_i64_i64_i64_i64: 767 if (Subtarget.hasMultivalue()) { 768 Rets.push_back(wasm::ValType::I64); 769 Rets.push_back(wasm::ValType::I64); 770 Rets.push_back(wasm::ValType::I64); 771 Rets.push_back(wasm::ValType::I64); 772 } else { 773 Params.push_back(PtrTy); 774 } 775 Params.push_back(wasm::ValType::I64); 776 Params.push_back(wasm::ValType::I64); 777 Params.push_back(wasm::ValType::I64); 778 Params.push_back(wasm::ValType::I64); 779 break; 780 case i64_i64_func_i64_i64_i32: 781 if (Subtarget.hasMultivalue()) { 782 Rets.push_back(wasm::ValType::I64); 783 Rets.push_back(wasm::ValType::I64); 784 } else { 785 Params.push_back(PtrTy); 786 } 787 Params.push_back(wasm::ValType::I64); 788 Params.push_back(wasm::ValType::I64); 789 Params.push_back(wasm::ValType::I32); 790 break; 791 case iPTR_func_i32: 792 Rets.push_back(PtrTy); 793 Params.push_back(wasm::ValType::I32); 794 break; 795 case iPTR_func_iPTR_i32_iPTR: 796 Rets.push_back(PtrTy); 797 Params.push_back(PtrTy); 798 Params.push_back(wasm::ValType::I32); 799 Params.push_back(PtrTy); 800 break; 801 case iPTR_func_iPTR_iPTR_iPTR: 802 Rets.push_back(PtrTy); 803 Params.push_back(PtrTy); 804 Params.push_back(PtrTy); 805 Params.push_back(PtrTy); 806 break; 807 case f32_func_f32_f32_f32: 808 Rets.push_back(wasm::ValType::F32); 809 Params.push_back(wasm::ValType::F32); 810 Params.push_back(wasm::ValType::F32); 811 Params.push_back(wasm::ValType::F32); 812 break; 813 case f64_func_f64_f64_f64: 814 Rets.push_back(wasm::ValType::F64); 815 Params.push_back(wasm::ValType::F64); 816 Params.push_back(wasm::ValType::F64); 817 Params.push_back(wasm::ValType::F64); 818 break; 819 case func_i64_i64_iPTR_iPTR: 820 Params.push_back(wasm::ValType::I64); 821 Params.push_back(wasm::ValType::I64); 822 Params.push_back(PtrTy); 823 Params.push_back(PtrTy); 824 break; 825 case i32_func_i64_i64: 826 Rets.push_back(wasm::ValType::I32); 827 Params.push_back(wasm::ValType::I64); 828 Params.push_back(wasm::ValType::I64); 829 break; 830 case i32_func_i64_i64_i64_i64: 831 Rets.push_back(wasm::ValType::I32); 832 Params.push_back(wasm::ValType::I64); 833 Params.push_back(wasm::ValType::I64); 834 Params.push_back(wasm::ValType::I64); 835 Params.push_back(wasm::ValType::I64); 836 break; 837 case iPTR_func_f32: 838 Rets.push_back(PtrTy); 839 Params.push_back(wasm::ValType::F32); 840 break; 841 case iPTR_func_f64: 842 Rets.push_back(PtrTy); 843 Params.push_back(wasm::ValType::F64); 844 break; 845 case iPTR_func_i64_i64: 846 Rets.push_back(PtrTy); 847 Params.push_back(wasm::ValType::I64); 848 Params.push_back(wasm::ValType::I64); 849 break; 850 case i64_i64_func_i64_i64_i64_i64_i64_i64: 851 if (Subtarget.hasMultivalue()) { 852 Rets.push_back(wasm::ValType::I64); 853 Rets.push_back(wasm::ValType::I64); 854 } else { 855 Params.push_back(PtrTy); 856 } 857 Params.push_back(wasm::ValType::I64); 858 Params.push_back(wasm::ValType::I64); 859 Params.push_back(wasm::ValType::I64); 860 Params.push_back(wasm::ValType::I64); 861 Params.push_back(wasm::ValType::I64); 862 Params.push_back(wasm::ValType::I64); 863 break; 864 case i64_i64_func_i32: 865 if (Subtarget.hasMultivalue()) { 866 Rets.push_back(wasm::ValType::I64); 867 Rets.push_back(wasm::ValType::I64); 868 } else { 869 Params.push_back(PtrTy); 870 } 871 Params.push_back(wasm::ValType::I32); 872 break; 873 case i64_i64_func_i64: 874 if (Subtarget.hasMultivalue()) { 875 Rets.push_back(wasm::ValType::I64); 876 Rets.push_back(wasm::ValType::I64); 877 } else { 878 Params.push_back(PtrTy); 879 } 880 Params.push_back(wasm::ValType::I64); 881 break; 882 case unsupported: 883 llvm_unreachable("unsupported runtime library signature"); 884 } 885 } 886 887 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unused 888 // other than here, just roll its logic into this version. 889 void llvm::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 890 StringRef Name, 891 SmallVectorImpl<wasm::ValType> &Rets, 892 SmallVectorImpl<wasm::ValType> &Params) { 893 static StaticLibcallNameMap LibcallNameMap; 894 auto &Map = LibcallNameMap.Map; 895 auto Val = Map.find(Name); 896 #ifndef NDEBUG 897 if (Val == Map.end()) { 898 auto Message = 899 std::string("unexpected runtime library name: ") + std::string(Name); 900 llvm_unreachable(Message.c_str()); 901 } 902 #endif 903 return getLibcallSignature(Subtarget, Val->second, Rets, Params); 904 } 905