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 "WebAssemblyUtilities.h" 24 #include "llvm/CodeGen/RuntimeLibcalls.h" 25 26 using namespace llvm; 27 28 namespace { 29 30 enum RuntimeLibcallSignature { 31 func, 32 f32_func_f32, 33 f32_func_f64, 34 f32_func_i32, 35 f32_func_i64, 36 f32_func_i16, 37 f64_func_f32, 38 f64_func_f64, 39 f64_func_i32, 40 f64_func_i64, 41 i32_func_f32, 42 i32_func_f64, 43 i32_func_i32, 44 i64_func_f32, 45 i64_func_f64, 46 i64_func_i64, 47 f32_func_f32_f32, 48 f32_func_f32_i32, 49 f32_func_i64_i64, 50 f64_func_f64_f64, 51 f64_func_f64_i32, 52 f64_func_i64_i64, 53 i16_func_f32, 54 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_i32, 67 i64_i64_func_i64, 68 i64_i64_func_f32, 69 i64_i64_func_f64, 70 i16_i16_func_i16_i16, 71 i32_i32_func_i32_i32, 72 i64_i64_func_i64_i64, 73 i64_i64_func_i64_i64_i64_i64, 74 i64_i64_func_i64_i64_i64_i64_iPTR, 75 i64_i64_i64_i64_func_i64_i64_i64_i64, 76 i64_i64_func_i64_i64_i32, 77 i64_i64_func_i64_i64_i64_i64_i64_i64, 78 iPTR_func_i32, 79 iPTR_func_iPTR_i32_iPTR, 80 iPTR_func_iPTR_iPTR_iPTR, 81 f32_func_f32_f32_f32, 82 f64_func_f64_f64_f64, 83 func_i64_i64_iPTR_iPTR, 84 i32_func_i64_i64, 85 i32_func_i64_i64_i64_i64, 86 iPTR_func_f32, 87 iPTR_func_f64, 88 iPTR_func_i64_i64, 89 unsupported 90 }; 91 92 struct RuntimeLibcallSignatureTable { 93 std::vector<RuntimeLibcallSignature> Table; 94 95 // Any newly-added libcalls will be unsupported by default. 96 RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) { 97 // Integer 98 Table[RTLIB::SHL_I16] = i16_func_i16_i16; 99 Table[RTLIB::SHL_I32] = i32_func_i32_i32; 100 Table[RTLIB::SHL_I64] = i64_func_i64_i64; 101 Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32; 102 Table[RTLIB::SRL_I16] = i16_func_i16_i16; 103 Table[RTLIB::SRL_I32] = i32_func_i32_i32; 104 Table[RTLIB::SRL_I64] = i64_func_i64_i64; 105 Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32; 106 Table[RTLIB::SRA_I16] = i16_func_i16_i16; 107 Table[RTLIB::SRA_I32] = i32_func_i32_i32; 108 Table[RTLIB::SRA_I64] = i64_func_i64_i64; 109 Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32; 110 Table[RTLIB::MUL_I8] = i8_func_i8_i8; 111 Table[RTLIB::MUL_I16] = i16_func_i16_i16; 112 Table[RTLIB::MUL_I32] = i32_func_i32_i32; 113 Table[RTLIB::MUL_I64] = i64_func_i64_i64; 114 Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64; 115 Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR; 116 Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR; 117 Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR; 118 Table[RTLIB::SDIV_I8] = i8_func_i8_i8; 119 Table[RTLIB::SDIV_I16] = i16_func_i16_i16; 120 Table[RTLIB::SDIV_I32] = i32_func_i32_i32; 121 Table[RTLIB::SDIV_I64] = i64_func_i64_i64; 122 Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64; 123 Table[RTLIB::UDIV_I8] = i8_func_i8_i8; 124 Table[RTLIB::UDIV_I16] = i16_func_i16_i16; 125 Table[RTLIB::UDIV_I32] = i32_func_i32_i32; 126 Table[RTLIB::UDIV_I64] = i64_func_i64_i64; 127 Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64; 128 Table[RTLIB::SREM_I8] = i8_func_i8_i8; 129 Table[RTLIB::SREM_I16] = i16_func_i16_i16; 130 Table[RTLIB::SREM_I32] = i32_func_i32_i32; 131 Table[RTLIB::SREM_I64] = i64_func_i64_i64; 132 Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64; 133 Table[RTLIB::UREM_I8] = i8_func_i8_i8; 134 Table[RTLIB::UREM_I16] = i16_func_i16_i16; 135 Table[RTLIB::UREM_I32] = i32_func_i32_i32; 136 Table[RTLIB::UREM_I64] = i64_func_i64_i64; 137 Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64; 138 Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8; 139 Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16; 140 Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32; 141 Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64; 142 Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; 143 Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8; 144 Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16; 145 Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32; 146 Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64; 147 Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; 148 Table[RTLIB::NEG_I32] = i32_func_i32; 149 Table[RTLIB::NEG_I64] = i64_func_i64; 150 151 // Floating-point. 152 // All F80 and PPCF128 routines are unsupported. 153 Table[RTLIB::ADD_F32] = f32_func_f32_f32; 154 Table[RTLIB::ADD_F64] = f64_func_f64_f64; 155 Table[RTLIB::ADD_F128] = i64_i64_func_i64_i64_i64_i64; 156 Table[RTLIB::SUB_F32] = f32_func_f32_f32; 157 Table[RTLIB::SUB_F64] = f64_func_f64_f64; 158 Table[RTLIB::SUB_F128] = i64_i64_func_i64_i64_i64_i64; 159 Table[RTLIB::MUL_F32] = f32_func_f32_f32; 160 Table[RTLIB::MUL_F64] = f64_func_f64_f64; 161 Table[RTLIB::MUL_F128] = i64_i64_func_i64_i64_i64_i64; 162 Table[RTLIB::DIV_F32] = f32_func_f32_f32; 163 Table[RTLIB::DIV_F64] = f64_func_f64_f64; 164 Table[RTLIB::DIV_F128] = i64_i64_func_i64_i64_i64_i64; 165 Table[RTLIB::REM_F32] = f32_func_f32_f32; 166 Table[RTLIB::REM_F64] = f64_func_f64_f64; 167 Table[RTLIB::REM_F128] = i64_i64_func_i64_i64_i64_i64; 168 Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32; 169 Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64; 170 Table[RTLIB::FMA_F128] = i64_i64_func_i64_i64_i64_i64_i64_i64; 171 Table[RTLIB::POWI_F32] = f32_func_f32_i32; 172 Table[RTLIB::POWI_F64] = f64_func_f64_i32; 173 Table[RTLIB::POWI_F128] = i64_i64_func_i64_i64_i32; 174 Table[RTLIB::SQRT_F32] = f32_func_f32; 175 Table[RTLIB::SQRT_F64] = f64_func_f64; 176 Table[RTLIB::SQRT_F128] = i64_i64_func_i64_i64; 177 Table[RTLIB::CBRT_F32] = f32_func_f32; 178 Table[RTLIB::CBRT_F64] = f64_func_f64; 179 Table[RTLIB::CBRT_F128] = i64_i64_func_i64_i64; 180 Table[RTLIB::LOG_F32] = f32_func_f32; 181 Table[RTLIB::LOG_F64] = f64_func_f64; 182 Table[RTLIB::LOG_F128] = i64_i64_func_i64_i64; 183 Table[RTLIB::LOG2_F32] = f32_func_f32; 184 Table[RTLIB::LOG2_F64] = f64_func_f64; 185 Table[RTLIB::LOG2_F128] = i64_i64_func_i64_i64; 186 Table[RTLIB::LOG10_F32] = f32_func_f32; 187 Table[RTLIB::LOG10_F64] = f64_func_f64; 188 Table[RTLIB::LOG10_F128] = i64_i64_func_i64_i64; 189 Table[RTLIB::EXP_F32] = f32_func_f32; 190 Table[RTLIB::EXP_F64] = f64_func_f64; 191 Table[RTLIB::EXP_F128] = i64_i64_func_i64_i64; 192 Table[RTLIB::EXP2_F32] = f32_func_f32; 193 Table[RTLIB::EXP2_F64] = f64_func_f64; 194 Table[RTLIB::EXP2_F128] = i64_i64_func_i64_i64; 195 Table[RTLIB::EXP10_F32] = f32_func_f32; 196 Table[RTLIB::EXP10_F64] = f64_func_f64; 197 Table[RTLIB::EXP10_F128] = i64_i64_func_i64_i64; 198 Table[RTLIB::SIN_F32] = f32_func_f32; 199 Table[RTLIB::SIN_F64] = f64_func_f64; 200 Table[RTLIB::SIN_F128] = i64_i64_func_i64_i64; 201 Table[RTLIB::COS_F32] = f32_func_f32; 202 Table[RTLIB::COS_F64] = f64_func_f64; 203 Table[RTLIB::COS_F128] = i64_i64_func_i64_i64; 204 Table[RTLIB::TAN_F32] = f32_func_f32; 205 Table[RTLIB::TAN_F64] = f64_func_f64; 206 Table[RTLIB::TAN_F128] = i64_i64_func_i64_i64; 207 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; 208 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; 209 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; 210 Table[RTLIB::POW_F32] = f32_func_f32_f32; 211 Table[RTLIB::POW_F64] = f64_func_f64_f64; 212 Table[RTLIB::POW_F128] = i64_i64_func_i64_i64_i64_i64; 213 Table[RTLIB::CEIL_F32] = f32_func_f32; 214 Table[RTLIB::CEIL_F64] = f64_func_f64; 215 Table[RTLIB::CEIL_F128] = i64_i64_func_i64_i64; 216 Table[RTLIB::TRUNC_F32] = f32_func_f32; 217 Table[RTLIB::TRUNC_F64] = f64_func_f64; 218 Table[RTLIB::TRUNC_F128] = i64_i64_func_i64_i64; 219 Table[RTLIB::RINT_F32] = f32_func_f32; 220 Table[RTLIB::RINT_F64] = f64_func_f64; 221 Table[RTLIB::RINT_F128] = i64_i64_func_i64_i64; 222 Table[RTLIB::NEARBYINT_F32] = f32_func_f32; 223 Table[RTLIB::NEARBYINT_F64] = f64_func_f64; 224 Table[RTLIB::NEARBYINT_F128] = i64_i64_func_i64_i64; 225 Table[RTLIB::ROUND_F32] = f32_func_f32; 226 Table[RTLIB::ROUND_F64] = f64_func_f64; 227 Table[RTLIB::ROUND_F128] = i64_i64_func_i64_i64; 228 Table[RTLIB::ROUNDEVEN_F32] = f32_func_f32; 229 Table[RTLIB::ROUNDEVEN_F64] = f64_func_f64; 230 Table[RTLIB::ROUNDEVEN_F128] = i64_i64_func_i64_i64; 231 Table[RTLIB::LROUND_F32] = iPTR_func_f32; 232 Table[RTLIB::LROUND_F64] = iPTR_func_f64; 233 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64; 234 Table[RTLIB::LLROUND_F32] = i64_func_f32; 235 Table[RTLIB::LLROUND_F64] = i64_func_f64; 236 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64; 237 Table[RTLIB::LRINT_F32] = iPTR_func_f32; 238 Table[RTLIB::LRINT_F64] = iPTR_func_f64; 239 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64; 240 Table[RTLIB::LLRINT_F32] = i64_func_f32; 241 Table[RTLIB::LLRINT_F64] = i64_func_f64; 242 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64; 243 Table[RTLIB::FLOOR_F32] = f32_func_f32; 244 Table[RTLIB::FLOOR_F64] = f64_func_f64; 245 Table[RTLIB::FLOOR_F128] = i64_i64_func_i64_i64; 246 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; 247 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; 248 Table[RTLIB::COPYSIGN_F128] = i64_i64_func_i64_i64_i64_i64; 249 Table[RTLIB::FMIN_F32] = f32_func_f32_f32; 250 Table[RTLIB::FMIN_F64] = f64_func_f64_f64; 251 Table[RTLIB::FMIN_F128] = i64_i64_func_i64_i64_i64_i64; 252 Table[RTLIB::FMAX_F32] = f32_func_f32_f32; 253 Table[RTLIB::FMAX_F64] = f64_func_f64_f64; 254 Table[RTLIB::FMAX_F128] = i64_i64_func_i64_i64_i64_i64; 255 Table[RTLIB::LDEXP_F32] = f32_func_f32_i32; 256 Table[RTLIB::LDEXP_F64] = f64_func_f64_i32; 257 Table[RTLIB::LDEXP_F128] = i64_i64_func_i64_i64_i32; 258 Table[RTLIB::FREXP_F32] = f32_func_f32_i32; 259 Table[RTLIB::FREXP_F64] = f64_func_f64_i32; 260 Table[RTLIB::FREXP_F128] = i64_i64_func_i64_i64_i32; 261 262 // Conversion 263 // All F80 and PPCF128 routines are unsupported. 264 Table[RTLIB::FPEXT_F64_F128] = i64_i64_func_f64; 265 Table[RTLIB::FPEXT_F32_F128] = i64_i64_func_f32; 266 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; 267 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; 268 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; 269 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64; 270 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; 271 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64; 272 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; 273 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; 274 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; 275 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; 276 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; 277 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; 278 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; 279 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; 280 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; 281 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; 282 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; 283 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; 284 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; 285 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; 286 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; 287 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; 288 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; 289 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; 290 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; 291 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; 292 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; 293 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; 294 Table[RTLIB::SINTTOFP_I32_F128] = i64_i64_func_i32; 295 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; 296 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; 297 Table[RTLIB::SINTTOFP_I64_F128] = i64_i64_func_i64; 298 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; 299 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; 300 Table[RTLIB::SINTTOFP_I128_F128] = i64_i64_func_i64_i64; 301 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; 302 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; 303 Table[RTLIB::UINTTOFP_I32_F128] = i64_i64_func_i32; 304 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; 305 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; 306 Table[RTLIB::UINTTOFP_I64_F128] = i64_i64_func_i64; 307 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; 308 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; 309 Table[RTLIB::UINTTOFP_I128_F128] = i64_i64_func_i64_i64; 310 311 // Comparison 312 // ALl F80 and PPCF128 routines are unsupported. 313 Table[RTLIB::OEQ_F32] = i32_func_f32_f32; 314 Table[RTLIB::OEQ_F64] = i32_func_f64_f64; 315 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; 316 Table[RTLIB::UNE_F32] = i32_func_f32_f32; 317 Table[RTLIB::UNE_F64] = i32_func_f64_f64; 318 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; 319 Table[RTLIB::OGE_F32] = i32_func_f32_f32; 320 Table[RTLIB::OGE_F64] = i32_func_f64_f64; 321 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; 322 Table[RTLIB::OLT_F32] = i32_func_f32_f32; 323 Table[RTLIB::OLT_F64] = i32_func_f64_f64; 324 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; 325 Table[RTLIB::OLE_F32] = i32_func_f32_f32; 326 Table[RTLIB::OLE_F64] = i32_func_f64_f64; 327 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; 328 Table[RTLIB::OGT_F32] = i32_func_f32_f32; 329 Table[RTLIB::OGT_F64] = i32_func_f64_f64; 330 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; 331 Table[RTLIB::UO_F32] = i32_func_f32_f32; 332 Table[RTLIB::UO_F64] = i32_func_f64_f64; 333 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; 334 335 // Memory 336 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; 337 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; 338 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; 339 340 // __stack_chk_fail 341 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func; 342 343 // Return address handling 344 Table[RTLIB::RETURN_ADDRESS] = iPTR_func_i32; 345 346 // Element-wise Atomic memory 347 // TODO: Fix these when we implement atomic support 348 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 349 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 350 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 351 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 352 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 353 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 354 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 355 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 356 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 357 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 358 359 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 360 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 361 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 362 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 363 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 364 365 // Atomic '__sync_*' libcalls. 366 // TODO: Fix these when we implement atomic support 367 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; 368 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; 369 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; 370 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; 371 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; 372 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; 373 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; 374 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; 375 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; 376 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; 377 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; 378 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; 379 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; 380 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; 381 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; 382 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; 383 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; 384 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; 385 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; 386 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; 387 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; 388 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; 389 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; 390 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; 391 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; 392 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; 393 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; 394 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; 395 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; 396 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; 397 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; 398 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; 399 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; 400 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; 401 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; 402 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; 403 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; 404 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; 405 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; 406 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; 407 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; 408 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; 409 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; 410 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; 411 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; 412 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; 413 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; 414 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; 415 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; 416 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; 417 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; 418 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; 419 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; 420 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; 421 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; 422 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; 423 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; 424 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; 425 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; 426 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; 427 428 // Atomic '__atomic_*' libcalls. 429 // TODO: Fix these when we implement atomic support 430 Table[RTLIB::ATOMIC_LOAD] = unsupported; 431 Table[RTLIB::ATOMIC_LOAD_1] = unsupported; 432 Table[RTLIB::ATOMIC_LOAD_2] = unsupported; 433 Table[RTLIB::ATOMIC_LOAD_4] = unsupported; 434 Table[RTLIB::ATOMIC_LOAD_8] = unsupported; 435 Table[RTLIB::ATOMIC_LOAD_16] = unsupported; 436 437 Table[RTLIB::ATOMIC_STORE] = unsupported; 438 Table[RTLIB::ATOMIC_STORE_1] = unsupported; 439 Table[RTLIB::ATOMIC_STORE_2] = unsupported; 440 Table[RTLIB::ATOMIC_STORE_4] = unsupported; 441 Table[RTLIB::ATOMIC_STORE_8] = unsupported; 442 Table[RTLIB::ATOMIC_STORE_16] = unsupported; 443 444 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; 445 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; 446 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; 447 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; 448 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; 449 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; 450 451 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; 452 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; 453 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; 454 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; 455 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; 456 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; 457 458 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; 459 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; 460 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; 461 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; 462 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; 463 464 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; 465 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; 466 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; 467 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; 468 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; 469 470 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; 471 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; 472 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; 473 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; 474 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; 475 476 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; 477 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; 478 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; 479 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; 480 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; 481 482 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; 483 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; 484 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; 485 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; 486 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; 487 488 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; 489 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; 490 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; 491 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; 492 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; 493 } 494 }; 495 496 RuntimeLibcallSignatureTable &getRuntimeLibcallSignatures() { 497 static RuntimeLibcallSignatureTable RuntimeLibcallSignatures; 498 return RuntimeLibcallSignatures; 499 } 500 501 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a 502 // constructor for use with a static variable 503 struct StaticLibcallNameMap { 504 StringMap<RTLIB::Libcall> Map; 505 StaticLibcallNameMap() { 506 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { 507 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, 508 #include "llvm/IR/RuntimeLibcalls.def" 509 #undef HANDLE_LIBCALL 510 }; 511 for (const auto &NameLibcall : NameLibcalls) { 512 if (NameLibcall.first != nullptr && 513 getRuntimeLibcallSignatures().Table[NameLibcall.second] != 514 unsupported) { 515 assert(!Map.contains(NameLibcall.first) && 516 "duplicate libcall names in name map"); 517 Map[NameLibcall.first] = NameLibcall.second; 518 } 519 } 520 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is 521 // consistent with the f64 and f128 names. 522 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32; 523 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16; 524 525 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS; 526 } 527 }; 528 529 } // end anonymous namespace 530 531 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 532 RTLIB::Libcall LC, 533 SmallVectorImpl<wasm::ValType> &Rets, 534 SmallVectorImpl<wasm::ValType> &Params) { 535 assert(Rets.empty()); 536 assert(Params.empty()); 537 538 wasm::ValType PtrTy = 539 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; 540 541 auto &Table = getRuntimeLibcallSignatures().Table; 542 switch (Table[LC]) { 543 case func: 544 break; 545 case f32_func_f32: 546 Rets.push_back(wasm::ValType::F32); 547 Params.push_back(wasm::ValType::F32); 548 break; 549 case f32_func_f64: 550 Rets.push_back(wasm::ValType::F32); 551 Params.push_back(wasm::ValType::F64); 552 break; 553 case f32_func_i32: 554 Rets.push_back(wasm::ValType::F32); 555 Params.push_back(wasm::ValType::I32); 556 break; 557 case f32_func_i64: 558 Rets.push_back(wasm::ValType::F32); 559 Params.push_back(wasm::ValType::I64); 560 break; 561 case f32_func_i16: 562 Rets.push_back(wasm::ValType::F32); 563 Params.push_back(wasm::ValType::I32); 564 break; 565 case f64_func_f32: 566 Rets.push_back(wasm::ValType::F64); 567 Params.push_back(wasm::ValType::F32); 568 break; 569 case f64_func_f64: 570 Rets.push_back(wasm::ValType::F64); 571 Params.push_back(wasm::ValType::F64); 572 break; 573 case f64_func_i32: 574 Rets.push_back(wasm::ValType::F64); 575 Params.push_back(wasm::ValType::I32); 576 break; 577 case f64_func_i64: 578 Rets.push_back(wasm::ValType::F64); 579 Params.push_back(wasm::ValType::I64); 580 break; 581 case i32_func_f32: 582 Rets.push_back(wasm::ValType::I32); 583 Params.push_back(wasm::ValType::F32); 584 break; 585 case i32_func_f64: 586 Rets.push_back(wasm::ValType::I32); 587 Params.push_back(wasm::ValType::F64); 588 break; 589 case i32_func_i32: 590 Rets.push_back(wasm::ValType::I32); 591 Params.push_back(wasm::ValType::I32); 592 break; 593 case i64_func_f32: 594 Rets.push_back(wasm::ValType::I64); 595 Params.push_back(wasm::ValType::F32); 596 break; 597 case i64_func_f64: 598 Rets.push_back(wasm::ValType::I64); 599 Params.push_back(wasm::ValType::F64); 600 break; 601 case i64_func_i64: 602 Rets.push_back(wasm::ValType::I64); 603 Params.push_back(wasm::ValType::I64); 604 break; 605 case f32_func_f32_f32: 606 Rets.push_back(wasm::ValType::F32); 607 Params.push_back(wasm::ValType::F32); 608 Params.push_back(wasm::ValType::F32); 609 break; 610 case f32_func_f32_i32: 611 Rets.push_back(wasm::ValType::F32); 612 Params.push_back(wasm::ValType::F32); 613 Params.push_back(wasm::ValType::I32); 614 break; 615 case f32_func_i64_i64: 616 Rets.push_back(wasm::ValType::F32); 617 Params.push_back(wasm::ValType::I64); 618 Params.push_back(wasm::ValType::I64); 619 break; 620 case f64_func_f64_f64: 621 Rets.push_back(wasm::ValType::F64); 622 Params.push_back(wasm::ValType::F64); 623 Params.push_back(wasm::ValType::F64); 624 break; 625 case f64_func_f64_i32: 626 Rets.push_back(wasm::ValType::F64); 627 Params.push_back(wasm::ValType::F64); 628 Params.push_back(wasm::ValType::I32); 629 break; 630 case f64_func_i64_i64: 631 Rets.push_back(wasm::ValType::F64); 632 Params.push_back(wasm::ValType::I64); 633 Params.push_back(wasm::ValType::I64); 634 break; 635 case i16_func_f32: 636 Rets.push_back(wasm::ValType::I32); 637 Params.push_back(wasm::ValType::F32); 638 break; 639 case i16_func_f64: 640 Rets.push_back(wasm::ValType::I32); 641 Params.push_back(wasm::ValType::F64); 642 break; 643 case i16_func_i64_i64: 644 Rets.push_back(wasm::ValType::I32); 645 Params.push_back(wasm::ValType::I64); 646 Params.push_back(wasm::ValType::I64); 647 break; 648 case i8_func_i8_i8: 649 Rets.push_back(wasm::ValType::I32); 650 Params.push_back(wasm::ValType::I32); 651 Params.push_back(wasm::ValType::I32); 652 break; 653 case func_f32_iPTR_iPTR: 654 Params.push_back(wasm::ValType::F32); 655 Params.push_back(PtrTy); 656 Params.push_back(PtrTy); 657 break; 658 case func_f64_iPTR_iPTR: 659 Params.push_back(wasm::ValType::F64); 660 Params.push_back(PtrTy); 661 Params.push_back(PtrTy); 662 break; 663 case i16_func_i16_i16: 664 Rets.push_back(wasm::ValType::I32); 665 Params.push_back(wasm::ValType::I32); 666 Params.push_back(wasm::ValType::I32); 667 break; 668 case i32_func_f32_f32: 669 Rets.push_back(wasm::ValType::I32); 670 Params.push_back(wasm::ValType::F32); 671 Params.push_back(wasm::ValType::F32); 672 break; 673 case i32_func_f64_f64: 674 Rets.push_back(wasm::ValType::I32); 675 Params.push_back(wasm::ValType::F64); 676 Params.push_back(wasm::ValType::F64); 677 break; 678 case i32_func_i32_i32: 679 Rets.push_back(wasm::ValType::I32); 680 Params.push_back(wasm::ValType::I32); 681 Params.push_back(wasm::ValType::I32); 682 break; 683 case i32_func_i32_i32_iPTR: 684 Rets.push_back(wasm::ValType::I32); 685 Params.push_back(wasm::ValType::I32); 686 Params.push_back(wasm::ValType::I32); 687 Params.push_back(PtrTy); 688 break; 689 case i64_func_i64_i64: 690 Rets.push_back(wasm::ValType::I64); 691 Params.push_back(wasm::ValType::I64); 692 Params.push_back(wasm::ValType::I64); 693 break; 694 case i64_func_i64_i64_iPTR: 695 Rets.push_back(wasm::ValType::I64); 696 Params.push_back(wasm::ValType::I64); 697 Params.push_back(wasm::ValType::I64); 698 Params.push_back(PtrTy); 699 break; 700 case i64_i64_func_f32: 701 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 702 Rets.push_back(wasm::ValType::I64); 703 Rets.push_back(wasm::ValType::I64); 704 } else { 705 Params.push_back(PtrTy); 706 } 707 Params.push_back(wasm::ValType::F32); 708 break; 709 case i64_i64_func_f64: 710 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 711 Rets.push_back(wasm::ValType::I64); 712 Rets.push_back(wasm::ValType::I64); 713 } else { 714 Params.push_back(PtrTy); 715 } 716 Params.push_back(wasm::ValType::F64); 717 break; 718 case i16_i16_func_i16_i16: 719 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 720 Rets.push_back(wasm::ValType::I32); 721 Rets.push_back(wasm::ValType::I32); 722 } else { 723 Params.push_back(PtrTy); 724 } 725 Params.push_back(wasm::ValType::I32); 726 Params.push_back(wasm::ValType::I32); 727 break; 728 case i32_i32_func_i32_i32: 729 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 730 Rets.push_back(wasm::ValType::I32); 731 Rets.push_back(wasm::ValType::I32); 732 } else { 733 Params.push_back(PtrTy); 734 } 735 Params.push_back(wasm::ValType::I32); 736 Params.push_back(wasm::ValType::I32); 737 break; 738 case i64_i64_func_i64_i64: 739 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 740 Rets.push_back(wasm::ValType::I64); 741 Rets.push_back(wasm::ValType::I64); 742 } else { 743 Params.push_back(PtrTy); 744 } 745 Params.push_back(wasm::ValType::I64); 746 Params.push_back(wasm::ValType::I64); 747 break; 748 case i64_i64_func_i64_i64_i64_i64: 749 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 750 Rets.push_back(wasm::ValType::I64); 751 Rets.push_back(wasm::ValType::I64); 752 } else { 753 Params.push_back(PtrTy); 754 } 755 Params.push_back(wasm::ValType::I64); 756 Params.push_back(wasm::ValType::I64); 757 Params.push_back(wasm::ValType::I64); 758 Params.push_back(wasm::ValType::I64); 759 break; 760 case i64_i64_func_i64_i64_i64_i64_iPTR: 761 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 762 Rets.push_back(wasm::ValType::I64); 763 Rets.push_back(wasm::ValType::I64); 764 } else { 765 Params.push_back(PtrTy); 766 } 767 Params.push_back(wasm::ValType::I64); 768 Params.push_back(wasm::ValType::I64); 769 Params.push_back(wasm::ValType::I64); 770 Params.push_back(wasm::ValType::I64); 771 Params.push_back(PtrTy); 772 break; 773 case i64_i64_i64_i64_func_i64_i64_i64_i64: 774 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 775 Rets.push_back(wasm::ValType::I64); 776 Rets.push_back(wasm::ValType::I64); 777 Rets.push_back(wasm::ValType::I64); 778 Rets.push_back(wasm::ValType::I64); 779 } else { 780 Params.push_back(PtrTy); 781 } 782 Params.push_back(wasm::ValType::I64); 783 Params.push_back(wasm::ValType::I64); 784 Params.push_back(wasm::ValType::I64); 785 Params.push_back(wasm::ValType::I64); 786 break; 787 case i64_i64_func_i64_i64_i32: 788 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 789 Rets.push_back(wasm::ValType::I64); 790 Rets.push_back(wasm::ValType::I64); 791 } else { 792 Params.push_back(PtrTy); 793 } 794 Params.push_back(wasm::ValType::I64); 795 Params.push_back(wasm::ValType::I64); 796 Params.push_back(wasm::ValType::I32); 797 break; 798 case iPTR_func_i32: 799 Rets.push_back(PtrTy); 800 Params.push_back(wasm::ValType::I32); 801 break; 802 case iPTR_func_iPTR_i32_iPTR: 803 Rets.push_back(PtrTy); 804 Params.push_back(PtrTy); 805 Params.push_back(wasm::ValType::I32); 806 Params.push_back(PtrTy); 807 break; 808 case iPTR_func_iPTR_iPTR_iPTR: 809 Rets.push_back(PtrTy); 810 Params.push_back(PtrTy); 811 Params.push_back(PtrTy); 812 Params.push_back(PtrTy); 813 break; 814 case f32_func_f32_f32_f32: 815 Rets.push_back(wasm::ValType::F32); 816 Params.push_back(wasm::ValType::F32); 817 Params.push_back(wasm::ValType::F32); 818 Params.push_back(wasm::ValType::F32); 819 break; 820 case f64_func_f64_f64_f64: 821 Rets.push_back(wasm::ValType::F64); 822 Params.push_back(wasm::ValType::F64); 823 Params.push_back(wasm::ValType::F64); 824 Params.push_back(wasm::ValType::F64); 825 break; 826 case func_i64_i64_iPTR_iPTR: 827 Params.push_back(wasm::ValType::I64); 828 Params.push_back(wasm::ValType::I64); 829 Params.push_back(PtrTy); 830 Params.push_back(PtrTy); 831 break; 832 case i32_func_i64_i64: 833 Rets.push_back(wasm::ValType::I32); 834 Params.push_back(wasm::ValType::I64); 835 Params.push_back(wasm::ValType::I64); 836 break; 837 case i32_func_i64_i64_i64_i64: 838 Rets.push_back(wasm::ValType::I32); 839 Params.push_back(wasm::ValType::I64); 840 Params.push_back(wasm::ValType::I64); 841 Params.push_back(wasm::ValType::I64); 842 Params.push_back(wasm::ValType::I64); 843 break; 844 case iPTR_func_f32: 845 Rets.push_back(PtrTy); 846 Params.push_back(wasm::ValType::F32); 847 break; 848 case iPTR_func_f64: 849 Rets.push_back(PtrTy); 850 Params.push_back(wasm::ValType::F64); 851 break; 852 case iPTR_func_i64_i64: 853 Rets.push_back(PtrTy); 854 Params.push_back(wasm::ValType::I64); 855 Params.push_back(wasm::ValType::I64); 856 break; 857 case i64_i64_func_i64_i64_i64_i64_i64_i64: 858 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 859 Rets.push_back(wasm::ValType::I64); 860 Rets.push_back(wasm::ValType::I64); 861 } else { 862 Params.push_back(PtrTy); 863 } 864 Params.push_back(wasm::ValType::I64); 865 Params.push_back(wasm::ValType::I64); 866 Params.push_back(wasm::ValType::I64); 867 Params.push_back(wasm::ValType::I64); 868 Params.push_back(wasm::ValType::I64); 869 Params.push_back(wasm::ValType::I64); 870 break; 871 case i64_i64_func_i32: 872 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 873 Rets.push_back(wasm::ValType::I64); 874 Rets.push_back(wasm::ValType::I64); 875 } else { 876 Params.push_back(PtrTy); 877 } 878 Params.push_back(wasm::ValType::I32); 879 break; 880 case i64_i64_func_i64: 881 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 882 Rets.push_back(wasm::ValType::I64); 883 Rets.push_back(wasm::ValType::I64); 884 } else { 885 Params.push_back(PtrTy); 886 } 887 Params.push_back(wasm::ValType::I64); 888 break; 889 case unsupported: 890 llvm_unreachable("unsupported runtime library signature"); 891 } 892 } 893 894 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unused 895 // other than here, just roll its logic into this version. 896 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 897 StringRef Name, 898 SmallVectorImpl<wasm::ValType> &Rets, 899 SmallVectorImpl<wasm::ValType> &Params) { 900 static StaticLibcallNameMap LibcallNameMap; 901 auto &Map = LibcallNameMap.Map; 902 auto Val = Map.find(Name); 903 #ifndef NDEBUG 904 if (Val == Map.end()) { 905 auto Message = 906 std::string("unexpected runtime library name: ") + std::string(Name); 907 llvm_unreachable(Message.c_str()); 908 } 909 #endif 910 return getLibcallSignature(Subtarget, Val->second, Rets, Params); 911 } 912