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 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::EXP10_F32] = f32_func_f32; 195 Table[RTLIB::EXP10_F64] = f64_func_f64; 196 Table[RTLIB::EXP10_F128] = i64_i64_func_i64_i64; 197 Table[RTLIB::SIN_F32] = f32_func_f32; 198 Table[RTLIB::SIN_F64] = f64_func_f64; 199 Table[RTLIB::SIN_F128] = i64_i64_func_i64_i64; 200 Table[RTLIB::COS_F32] = f32_func_f32; 201 Table[RTLIB::COS_F64] = f64_func_f64; 202 Table[RTLIB::COS_F128] = i64_i64_func_i64_i64; 203 Table[RTLIB::TAN_F32] = f32_func_f32; 204 Table[RTLIB::TAN_F64] = f64_func_f64; 205 Table[RTLIB::TAN_F128] = i64_i64_func_i64_i64; 206 Table[RTLIB::ASIN_F32] = f32_func_f32; 207 Table[RTLIB::ASIN_F64] = f64_func_f64; 208 Table[RTLIB::ASIN_F128] = i64_i64_func_i64_i64; 209 Table[RTLIB::ACOS_F32] = f32_func_f32; 210 Table[RTLIB::ACOS_F64] = f64_func_f64; 211 Table[RTLIB::ACOS_F128] = i64_i64_func_i64_i64; 212 Table[RTLIB::ATAN_F32] = f32_func_f32; 213 Table[RTLIB::ATAN_F64] = f64_func_f64; 214 Table[RTLIB::ATAN_F128] = i64_i64_func_i64_i64; 215 Table[RTLIB::ATAN2_F32] = f32_func_f32_f32; 216 Table[RTLIB::ATAN2_F64] = f64_func_f64_f64; 217 Table[RTLIB::ATAN2_F128] = i64_i64_func_i64_i64_i64_i64; 218 Table[RTLIB::SINH_F32] = f32_func_f32; 219 Table[RTLIB::SINH_F64] = f64_func_f64; 220 Table[RTLIB::SINH_F128] = i64_i64_func_i64_i64; 221 Table[RTLIB::COSH_F32] = f32_func_f32; 222 Table[RTLIB::COSH_F64] = f64_func_f64; 223 Table[RTLIB::COSH_F128] = i64_i64_func_i64_i64; 224 Table[RTLIB::TANH_F32] = f32_func_f32; 225 Table[RTLIB::TANH_F64] = f64_func_f64; 226 Table[RTLIB::TANH_F128] = i64_i64_func_i64_i64; 227 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; 228 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; 229 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; 230 Table[RTLIB::POW_F32] = f32_func_f32_f32; 231 Table[RTLIB::POW_F64] = f64_func_f64_f64; 232 Table[RTLIB::POW_F128] = i64_i64_func_i64_i64_i64_i64; 233 Table[RTLIB::CEIL_F32] = f32_func_f32; 234 Table[RTLIB::CEIL_F64] = f64_func_f64; 235 Table[RTLIB::CEIL_F128] = i64_i64_func_i64_i64; 236 Table[RTLIB::TRUNC_F32] = f32_func_f32; 237 Table[RTLIB::TRUNC_F64] = f64_func_f64; 238 Table[RTLIB::TRUNC_F128] = i64_i64_func_i64_i64; 239 Table[RTLIB::RINT_F32] = f32_func_f32; 240 Table[RTLIB::RINT_F64] = f64_func_f64; 241 Table[RTLIB::RINT_F128] = i64_i64_func_i64_i64; 242 Table[RTLIB::NEARBYINT_F32] = f32_func_f32; 243 Table[RTLIB::NEARBYINT_F64] = f64_func_f64; 244 Table[RTLIB::NEARBYINT_F128] = i64_i64_func_i64_i64; 245 Table[RTLIB::ROUND_F32] = f32_func_f32; 246 Table[RTLIB::ROUND_F64] = f64_func_f64; 247 Table[RTLIB::ROUND_F128] = i64_i64_func_i64_i64; 248 Table[RTLIB::ROUNDEVEN_F32] = f32_func_f32; 249 Table[RTLIB::ROUNDEVEN_F64] = f64_func_f64; 250 Table[RTLIB::ROUNDEVEN_F128] = i64_i64_func_i64_i64; 251 Table[RTLIB::LROUND_F32] = iPTR_func_f32; 252 Table[RTLIB::LROUND_F64] = iPTR_func_f64; 253 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64; 254 Table[RTLIB::LLROUND_F32] = i64_func_f32; 255 Table[RTLIB::LLROUND_F64] = i64_func_f64; 256 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64; 257 Table[RTLIB::LRINT_F32] = iPTR_func_f32; 258 Table[RTLIB::LRINT_F64] = iPTR_func_f64; 259 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64; 260 Table[RTLIB::LLRINT_F32] = i64_func_f32; 261 Table[RTLIB::LLRINT_F64] = i64_func_f64; 262 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64; 263 Table[RTLIB::FLOOR_F32] = f32_func_f32; 264 Table[RTLIB::FLOOR_F64] = f64_func_f64; 265 Table[RTLIB::FLOOR_F128] = i64_i64_func_i64_i64; 266 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; 267 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; 268 Table[RTLIB::COPYSIGN_F128] = i64_i64_func_i64_i64_i64_i64; 269 Table[RTLIB::FMIN_F32] = f32_func_f32_f32; 270 Table[RTLIB::FMIN_F64] = f64_func_f64_f64; 271 Table[RTLIB::FMIN_F128] = i64_i64_func_i64_i64_i64_i64; 272 Table[RTLIB::FMAX_F32] = f32_func_f32_f32; 273 Table[RTLIB::FMAX_F64] = f64_func_f64_f64; 274 Table[RTLIB::FMAX_F128] = i64_i64_func_i64_i64_i64_i64; 275 Table[RTLIB::LDEXP_F32] = f32_func_f32_i32; 276 Table[RTLIB::LDEXP_F64] = f64_func_f64_i32; 277 Table[RTLIB::LDEXP_F128] = i64_i64_func_i64_i64_i32; 278 Table[RTLIB::FREXP_F32] = f32_func_f32_i32; 279 Table[RTLIB::FREXP_F64] = f64_func_f64_i32; 280 Table[RTLIB::FREXP_F128] = i64_i64_func_i64_i64_i32; 281 282 // Conversion 283 // All F80 and PPCF128 routines are unsupported. 284 Table[RTLIB::FPEXT_F64_F128] = i64_i64_func_f64; 285 Table[RTLIB::FPEXT_F32_F128] = i64_i64_func_f32; 286 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; 287 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; 288 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; 289 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64; 290 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; 291 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64; 292 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; 293 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; 294 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; 295 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; 296 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; 297 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; 298 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; 299 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; 300 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; 301 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; 302 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; 303 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; 304 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; 305 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; 306 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; 307 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; 308 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; 309 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; 310 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; 311 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; 312 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; 313 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; 314 Table[RTLIB::SINTTOFP_I32_F128] = i64_i64_func_i32; 315 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; 316 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; 317 Table[RTLIB::SINTTOFP_I64_F128] = i64_i64_func_i64; 318 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; 319 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; 320 Table[RTLIB::SINTTOFP_I128_F128] = i64_i64_func_i64_i64; 321 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; 322 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; 323 Table[RTLIB::UINTTOFP_I32_F128] = i64_i64_func_i32; 324 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; 325 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; 326 Table[RTLIB::UINTTOFP_I64_F128] = i64_i64_func_i64; 327 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; 328 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; 329 Table[RTLIB::UINTTOFP_I128_F128] = i64_i64_func_i64_i64; 330 331 // Comparison 332 // ALl F80 and PPCF128 routines are unsupported. 333 Table[RTLIB::OEQ_F32] = i32_func_f32_f32; 334 Table[RTLIB::OEQ_F64] = i32_func_f64_f64; 335 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; 336 Table[RTLIB::UNE_F32] = i32_func_f32_f32; 337 Table[RTLIB::UNE_F64] = i32_func_f64_f64; 338 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; 339 Table[RTLIB::OGE_F32] = i32_func_f32_f32; 340 Table[RTLIB::OGE_F64] = i32_func_f64_f64; 341 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; 342 Table[RTLIB::OLT_F32] = i32_func_f32_f32; 343 Table[RTLIB::OLT_F64] = i32_func_f64_f64; 344 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; 345 Table[RTLIB::OLE_F32] = i32_func_f32_f32; 346 Table[RTLIB::OLE_F64] = i32_func_f64_f64; 347 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; 348 Table[RTLIB::OGT_F32] = i32_func_f32_f32; 349 Table[RTLIB::OGT_F64] = i32_func_f64_f64; 350 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; 351 Table[RTLIB::UO_F32] = i32_func_f32_f32; 352 Table[RTLIB::UO_F64] = i32_func_f64_f64; 353 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; 354 355 // Memory 356 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; 357 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; 358 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; 359 360 // __stack_chk_fail 361 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func; 362 363 // Return address handling 364 Table[RTLIB::RETURN_ADDRESS] = iPTR_func_i32; 365 366 // Element-wise Atomic memory 367 // TODO: Fix these when we implement atomic support 368 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 369 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 370 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 371 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 372 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 373 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 374 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 375 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 376 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 377 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 378 379 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 380 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 381 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 382 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 383 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 384 385 // Atomic '__sync_*' libcalls. 386 // TODO: Fix these when we implement atomic support 387 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; 388 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; 389 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; 390 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; 391 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; 392 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; 393 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; 394 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; 395 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; 396 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; 397 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; 398 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; 399 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; 400 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; 401 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; 402 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; 403 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; 404 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; 405 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; 406 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; 407 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; 408 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; 409 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; 410 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; 411 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; 412 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; 413 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; 414 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; 415 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; 416 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; 417 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; 418 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; 419 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; 420 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; 421 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; 422 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; 423 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; 424 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; 425 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; 426 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; 427 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; 428 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; 429 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; 430 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; 431 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; 432 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; 433 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; 434 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; 435 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; 436 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; 437 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; 438 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; 439 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; 440 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; 441 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; 442 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; 443 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; 444 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; 445 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; 446 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; 447 448 // Atomic '__atomic_*' libcalls. 449 // TODO: Fix these when we implement atomic support 450 Table[RTLIB::ATOMIC_LOAD] = unsupported; 451 Table[RTLIB::ATOMIC_LOAD_1] = unsupported; 452 Table[RTLIB::ATOMIC_LOAD_2] = unsupported; 453 Table[RTLIB::ATOMIC_LOAD_4] = unsupported; 454 Table[RTLIB::ATOMIC_LOAD_8] = unsupported; 455 Table[RTLIB::ATOMIC_LOAD_16] = unsupported; 456 457 Table[RTLIB::ATOMIC_STORE] = unsupported; 458 Table[RTLIB::ATOMIC_STORE_1] = unsupported; 459 Table[RTLIB::ATOMIC_STORE_2] = unsupported; 460 Table[RTLIB::ATOMIC_STORE_4] = unsupported; 461 Table[RTLIB::ATOMIC_STORE_8] = unsupported; 462 Table[RTLIB::ATOMIC_STORE_16] = unsupported; 463 464 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; 465 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; 466 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; 467 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; 468 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; 469 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; 470 471 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; 472 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; 473 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; 474 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; 475 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; 476 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; 477 478 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; 479 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; 480 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; 481 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; 482 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; 483 484 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; 485 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; 486 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; 487 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; 488 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; 489 490 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; 491 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; 492 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; 493 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; 494 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; 495 496 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; 497 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; 498 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; 499 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; 500 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; 501 502 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; 503 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; 504 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; 505 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; 506 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; 507 508 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; 509 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; 510 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; 511 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; 512 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; 513 } 514 }; 515 516 RuntimeLibcallSignatureTable &getRuntimeLibcallSignatures() { 517 static RuntimeLibcallSignatureTable RuntimeLibcallSignatures; 518 return RuntimeLibcallSignatures; 519 } 520 521 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a 522 // constructor for use with a static variable 523 struct StaticLibcallNameMap { 524 StringMap<RTLIB::Libcall> Map; 525 StaticLibcallNameMap() { 526 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { 527 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, 528 #include "llvm/IR/RuntimeLibcalls.def" 529 #undef HANDLE_LIBCALL 530 }; 531 for (const auto &NameLibcall : NameLibcalls) { 532 if (NameLibcall.first != nullptr && 533 getRuntimeLibcallSignatures().Table[NameLibcall.second] != 534 unsupported) { 535 assert(!Map.contains(NameLibcall.first) && 536 "duplicate libcall names in name map"); 537 Map[NameLibcall.first] = NameLibcall.second; 538 } 539 } 540 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is 541 // consistent with the f64 and f128 names. 542 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32; 543 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16; 544 545 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS; 546 } 547 }; 548 549 } // end anonymous namespace 550 551 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 552 RTLIB::Libcall LC, 553 SmallVectorImpl<wasm::ValType> &Rets, 554 SmallVectorImpl<wasm::ValType> &Params) { 555 assert(Rets.empty()); 556 assert(Params.empty()); 557 558 wasm::ValType PtrTy = 559 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; 560 561 auto &Table = getRuntimeLibcallSignatures().Table; 562 switch (Table[LC]) { 563 case func: 564 break; 565 case f32_func_f32: 566 Rets.push_back(wasm::ValType::F32); 567 Params.push_back(wasm::ValType::F32); 568 break; 569 case f32_func_f64: 570 Rets.push_back(wasm::ValType::F32); 571 Params.push_back(wasm::ValType::F64); 572 break; 573 case f32_func_i32: 574 Rets.push_back(wasm::ValType::F32); 575 Params.push_back(wasm::ValType::I32); 576 break; 577 case f32_func_i64: 578 Rets.push_back(wasm::ValType::F32); 579 Params.push_back(wasm::ValType::I64); 580 break; 581 case f32_func_i16: 582 Rets.push_back(wasm::ValType::F32); 583 Params.push_back(wasm::ValType::I32); 584 break; 585 case f64_func_f32: 586 Rets.push_back(wasm::ValType::F64); 587 Params.push_back(wasm::ValType::F32); 588 break; 589 case f64_func_f64: 590 Rets.push_back(wasm::ValType::F64); 591 Params.push_back(wasm::ValType::F64); 592 break; 593 case f64_func_i32: 594 Rets.push_back(wasm::ValType::F64); 595 Params.push_back(wasm::ValType::I32); 596 break; 597 case f64_func_i64: 598 Rets.push_back(wasm::ValType::F64); 599 Params.push_back(wasm::ValType::I64); 600 break; 601 case i32_func_f32: 602 Rets.push_back(wasm::ValType::I32); 603 Params.push_back(wasm::ValType::F32); 604 break; 605 case i32_func_f64: 606 Rets.push_back(wasm::ValType::I32); 607 Params.push_back(wasm::ValType::F64); 608 break; 609 case i32_func_i32: 610 Rets.push_back(wasm::ValType::I32); 611 Params.push_back(wasm::ValType::I32); 612 break; 613 case i64_func_f32: 614 Rets.push_back(wasm::ValType::I64); 615 Params.push_back(wasm::ValType::F32); 616 break; 617 case i64_func_f64: 618 Rets.push_back(wasm::ValType::I64); 619 Params.push_back(wasm::ValType::F64); 620 break; 621 case i64_func_i64: 622 Rets.push_back(wasm::ValType::I64); 623 Params.push_back(wasm::ValType::I64); 624 break; 625 case f32_func_f32_f32: 626 Rets.push_back(wasm::ValType::F32); 627 Params.push_back(wasm::ValType::F32); 628 Params.push_back(wasm::ValType::F32); 629 break; 630 case f32_func_f32_i32: 631 Rets.push_back(wasm::ValType::F32); 632 Params.push_back(wasm::ValType::F32); 633 Params.push_back(wasm::ValType::I32); 634 break; 635 case f32_func_i64_i64: 636 Rets.push_back(wasm::ValType::F32); 637 Params.push_back(wasm::ValType::I64); 638 Params.push_back(wasm::ValType::I64); 639 break; 640 case f64_func_f64_f64: 641 Rets.push_back(wasm::ValType::F64); 642 Params.push_back(wasm::ValType::F64); 643 Params.push_back(wasm::ValType::F64); 644 break; 645 case f64_func_f64_i32: 646 Rets.push_back(wasm::ValType::F64); 647 Params.push_back(wasm::ValType::F64); 648 Params.push_back(wasm::ValType::I32); 649 break; 650 case f64_func_i64_i64: 651 Rets.push_back(wasm::ValType::F64); 652 Params.push_back(wasm::ValType::I64); 653 Params.push_back(wasm::ValType::I64); 654 break; 655 case i16_func_f32: 656 Rets.push_back(wasm::ValType::I32); 657 Params.push_back(wasm::ValType::F32); 658 break; 659 case i16_func_f64: 660 Rets.push_back(wasm::ValType::I32); 661 Params.push_back(wasm::ValType::F64); 662 break; 663 case i16_func_i64_i64: 664 Rets.push_back(wasm::ValType::I32); 665 Params.push_back(wasm::ValType::I64); 666 Params.push_back(wasm::ValType::I64); 667 break; 668 case i8_func_i8_i8: 669 Rets.push_back(wasm::ValType::I32); 670 Params.push_back(wasm::ValType::I32); 671 Params.push_back(wasm::ValType::I32); 672 break; 673 case func_f32_iPTR_iPTR: 674 Params.push_back(wasm::ValType::F32); 675 Params.push_back(PtrTy); 676 Params.push_back(PtrTy); 677 break; 678 case func_f64_iPTR_iPTR: 679 Params.push_back(wasm::ValType::F64); 680 Params.push_back(PtrTy); 681 Params.push_back(PtrTy); 682 break; 683 case i16_func_i16_i16: 684 Rets.push_back(wasm::ValType::I32); 685 Params.push_back(wasm::ValType::I32); 686 Params.push_back(wasm::ValType::I32); 687 break; 688 case i32_func_f32_f32: 689 Rets.push_back(wasm::ValType::I32); 690 Params.push_back(wasm::ValType::F32); 691 Params.push_back(wasm::ValType::F32); 692 break; 693 case i32_func_f64_f64: 694 Rets.push_back(wasm::ValType::I32); 695 Params.push_back(wasm::ValType::F64); 696 Params.push_back(wasm::ValType::F64); 697 break; 698 case i32_func_i32_i32: 699 Rets.push_back(wasm::ValType::I32); 700 Params.push_back(wasm::ValType::I32); 701 Params.push_back(wasm::ValType::I32); 702 break; 703 case i32_func_i32_i32_iPTR: 704 Rets.push_back(wasm::ValType::I32); 705 Params.push_back(wasm::ValType::I32); 706 Params.push_back(wasm::ValType::I32); 707 Params.push_back(PtrTy); 708 break; 709 case i64_func_i64_i64: 710 Rets.push_back(wasm::ValType::I64); 711 Params.push_back(wasm::ValType::I64); 712 Params.push_back(wasm::ValType::I64); 713 break; 714 case i64_func_i64_i64_iPTR: 715 Rets.push_back(wasm::ValType::I64); 716 Params.push_back(wasm::ValType::I64); 717 Params.push_back(wasm::ValType::I64); 718 Params.push_back(PtrTy); 719 break; 720 case i64_i64_func_f32: 721 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 722 Rets.push_back(wasm::ValType::I64); 723 Rets.push_back(wasm::ValType::I64); 724 } else { 725 Params.push_back(PtrTy); 726 } 727 Params.push_back(wasm::ValType::F32); 728 break; 729 case i64_i64_func_f64: 730 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 731 Rets.push_back(wasm::ValType::I64); 732 Rets.push_back(wasm::ValType::I64); 733 } else { 734 Params.push_back(PtrTy); 735 } 736 Params.push_back(wasm::ValType::F64); 737 break; 738 case i16_i16_func_i16_i16: 739 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 740 Rets.push_back(wasm::ValType::I32); 741 Rets.push_back(wasm::ValType::I32); 742 } else { 743 Params.push_back(PtrTy); 744 } 745 Params.push_back(wasm::ValType::I32); 746 Params.push_back(wasm::ValType::I32); 747 break; 748 case i32_i32_func_i32_i32: 749 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 750 Rets.push_back(wasm::ValType::I32); 751 Rets.push_back(wasm::ValType::I32); 752 } else { 753 Params.push_back(PtrTy); 754 } 755 Params.push_back(wasm::ValType::I32); 756 Params.push_back(wasm::ValType::I32); 757 break; 758 case i64_i64_func_i64_i64: 759 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 760 Rets.push_back(wasm::ValType::I64); 761 Rets.push_back(wasm::ValType::I64); 762 } else { 763 Params.push_back(PtrTy); 764 } 765 Params.push_back(wasm::ValType::I64); 766 Params.push_back(wasm::ValType::I64); 767 break; 768 case i64_i64_func_i64_i64_i64_i64: 769 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 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_i64_i64_iPTR: 781 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 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::I64); 790 Params.push_back(wasm::ValType::I64); 791 Params.push_back(PtrTy); 792 break; 793 case i64_i64_i64_i64_func_i64_i64_i64_i64: 794 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 795 Rets.push_back(wasm::ValType::I64); 796 Rets.push_back(wasm::ValType::I64); 797 Rets.push_back(wasm::ValType::I64); 798 Rets.push_back(wasm::ValType::I64); 799 } else { 800 Params.push_back(PtrTy); 801 } 802 Params.push_back(wasm::ValType::I64); 803 Params.push_back(wasm::ValType::I64); 804 Params.push_back(wasm::ValType::I64); 805 Params.push_back(wasm::ValType::I64); 806 break; 807 case i64_i64_func_i64_i64_i32: 808 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 809 Rets.push_back(wasm::ValType::I64); 810 Rets.push_back(wasm::ValType::I64); 811 } else { 812 Params.push_back(PtrTy); 813 } 814 Params.push_back(wasm::ValType::I64); 815 Params.push_back(wasm::ValType::I64); 816 Params.push_back(wasm::ValType::I32); 817 break; 818 case iPTR_func_i32: 819 Rets.push_back(PtrTy); 820 Params.push_back(wasm::ValType::I32); 821 break; 822 case iPTR_func_iPTR_i32_iPTR: 823 Rets.push_back(PtrTy); 824 Params.push_back(PtrTy); 825 Params.push_back(wasm::ValType::I32); 826 Params.push_back(PtrTy); 827 break; 828 case iPTR_func_iPTR_iPTR_iPTR: 829 Rets.push_back(PtrTy); 830 Params.push_back(PtrTy); 831 Params.push_back(PtrTy); 832 Params.push_back(PtrTy); 833 break; 834 case f32_func_f32_f32_f32: 835 Rets.push_back(wasm::ValType::F32); 836 Params.push_back(wasm::ValType::F32); 837 Params.push_back(wasm::ValType::F32); 838 Params.push_back(wasm::ValType::F32); 839 break; 840 case f64_func_f64_f64_f64: 841 Rets.push_back(wasm::ValType::F64); 842 Params.push_back(wasm::ValType::F64); 843 Params.push_back(wasm::ValType::F64); 844 Params.push_back(wasm::ValType::F64); 845 break; 846 case func_i64_i64_iPTR_iPTR: 847 Params.push_back(wasm::ValType::I64); 848 Params.push_back(wasm::ValType::I64); 849 Params.push_back(PtrTy); 850 Params.push_back(PtrTy); 851 break; 852 case i32_func_i64_i64: 853 Rets.push_back(wasm::ValType::I32); 854 Params.push_back(wasm::ValType::I64); 855 Params.push_back(wasm::ValType::I64); 856 break; 857 case i32_func_i64_i64_i64_i64: 858 Rets.push_back(wasm::ValType::I32); 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 iPTR_func_f32: 865 Rets.push_back(PtrTy); 866 Params.push_back(wasm::ValType::F32); 867 break; 868 case iPTR_func_f64: 869 Rets.push_back(PtrTy); 870 Params.push_back(wasm::ValType::F64); 871 break; 872 case iPTR_func_i64_i64: 873 Rets.push_back(PtrTy); 874 Params.push_back(wasm::ValType::I64); 875 Params.push_back(wasm::ValType::I64); 876 break; 877 case i64_i64_func_i64_i64_i64_i64_i64_i64: 878 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 879 Rets.push_back(wasm::ValType::I64); 880 Rets.push_back(wasm::ValType::I64); 881 } else { 882 Params.push_back(PtrTy); 883 } 884 Params.push_back(wasm::ValType::I64); 885 Params.push_back(wasm::ValType::I64); 886 Params.push_back(wasm::ValType::I64); 887 Params.push_back(wasm::ValType::I64); 888 Params.push_back(wasm::ValType::I64); 889 Params.push_back(wasm::ValType::I64); 890 break; 891 case i64_i64_func_i32: 892 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 893 Rets.push_back(wasm::ValType::I64); 894 Rets.push_back(wasm::ValType::I64); 895 } else { 896 Params.push_back(PtrTy); 897 } 898 Params.push_back(wasm::ValType::I32); 899 break; 900 case i64_i64_func_i64: 901 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 902 Rets.push_back(wasm::ValType::I64); 903 Rets.push_back(wasm::ValType::I64); 904 } else { 905 Params.push_back(PtrTy); 906 } 907 Params.push_back(wasm::ValType::I64); 908 break; 909 case unsupported: 910 llvm_unreachable("unsupported runtime library signature"); 911 } 912 } 913 914 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unused 915 // other than here, just roll its logic into this version. 916 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 917 StringRef Name, 918 SmallVectorImpl<wasm::ValType> &Rets, 919 SmallVectorImpl<wasm::ValType> &Params) { 920 static StaticLibcallNameMap LibcallNameMap; 921 auto &Map = LibcallNameMap.Map; 922 auto Val = Map.find(Name); 923 #ifndef NDEBUG 924 if (Val == Map.end()) { 925 auto Message = 926 std::string("unexpected runtime library name: ") + std::string(Name); 927 llvm_unreachable(Message.c_str()); 928 } 929 #endif 930 return getLibcallSignature(Subtarget, Val->second, Rets, Params); 931 } 932