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/RuntimeLibcallUtil.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::ASIN_F32] = f32_func_f32; 208 Table[RTLIB::ASIN_F64] = f64_func_f64; 209 Table[RTLIB::ASIN_F128] = i64_i64_func_i64_i64; 210 Table[RTLIB::ACOS_F32] = f32_func_f32; 211 Table[RTLIB::ACOS_F64] = f64_func_f64; 212 Table[RTLIB::ACOS_F128] = i64_i64_func_i64_i64; 213 Table[RTLIB::ATAN_F32] = f32_func_f32; 214 Table[RTLIB::ATAN_F64] = f64_func_f64; 215 Table[RTLIB::ATAN_F128] = i64_i64_func_i64_i64; 216 Table[RTLIB::ATAN2_F32] = f32_func_f32_f32; 217 Table[RTLIB::ATAN2_F64] = f64_func_f64_f64; 218 Table[RTLIB::ATAN2_F128] = i64_i64_func_i64_i64_i64_i64; 219 Table[RTLIB::SINH_F32] = f32_func_f32; 220 Table[RTLIB::SINH_F64] = f64_func_f64; 221 Table[RTLIB::SINH_F128] = i64_i64_func_i64_i64; 222 Table[RTLIB::COSH_F32] = f32_func_f32; 223 Table[RTLIB::COSH_F64] = f64_func_f64; 224 Table[RTLIB::COSH_F128] = i64_i64_func_i64_i64; 225 Table[RTLIB::TANH_F32] = f32_func_f32; 226 Table[RTLIB::TANH_F64] = f64_func_f64; 227 Table[RTLIB::TANH_F128] = i64_i64_func_i64_i64; 228 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; 229 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; 230 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; 231 Table[RTLIB::POW_F32] = f32_func_f32_f32; 232 Table[RTLIB::POW_F64] = f64_func_f64_f64; 233 Table[RTLIB::POW_F128] = i64_i64_func_i64_i64_i64_i64; 234 Table[RTLIB::CEIL_F32] = f32_func_f32; 235 Table[RTLIB::CEIL_F64] = f64_func_f64; 236 Table[RTLIB::CEIL_F128] = i64_i64_func_i64_i64; 237 Table[RTLIB::TRUNC_F32] = f32_func_f32; 238 Table[RTLIB::TRUNC_F64] = f64_func_f64; 239 Table[RTLIB::TRUNC_F128] = i64_i64_func_i64_i64; 240 Table[RTLIB::RINT_F32] = f32_func_f32; 241 Table[RTLIB::RINT_F64] = f64_func_f64; 242 Table[RTLIB::RINT_F128] = i64_i64_func_i64_i64; 243 Table[RTLIB::NEARBYINT_F32] = f32_func_f32; 244 Table[RTLIB::NEARBYINT_F64] = f64_func_f64; 245 Table[RTLIB::NEARBYINT_F128] = i64_i64_func_i64_i64; 246 Table[RTLIB::ROUND_F32] = f32_func_f32; 247 Table[RTLIB::ROUND_F64] = f64_func_f64; 248 Table[RTLIB::ROUND_F128] = i64_i64_func_i64_i64; 249 Table[RTLIB::ROUNDEVEN_F32] = f32_func_f32; 250 Table[RTLIB::ROUNDEVEN_F64] = f64_func_f64; 251 Table[RTLIB::ROUNDEVEN_F128] = i64_i64_func_i64_i64; 252 Table[RTLIB::LROUND_F32] = iPTR_func_f32; 253 Table[RTLIB::LROUND_F64] = iPTR_func_f64; 254 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64; 255 Table[RTLIB::LLROUND_F32] = i64_func_f32; 256 Table[RTLIB::LLROUND_F64] = i64_func_f64; 257 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64; 258 Table[RTLIB::LRINT_F32] = iPTR_func_f32; 259 Table[RTLIB::LRINT_F64] = iPTR_func_f64; 260 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64; 261 Table[RTLIB::LLRINT_F32] = i64_func_f32; 262 Table[RTLIB::LLRINT_F64] = i64_func_f64; 263 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64; 264 Table[RTLIB::FLOOR_F32] = f32_func_f32; 265 Table[RTLIB::FLOOR_F64] = f64_func_f64; 266 Table[RTLIB::FLOOR_F128] = i64_i64_func_i64_i64; 267 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; 268 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; 269 Table[RTLIB::COPYSIGN_F128] = i64_i64_func_i64_i64_i64_i64; 270 Table[RTLIB::FMIN_F32] = f32_func_f32_f32; 271 Table[RTLIB::FMIN_F64] = f64_func_f64_f64; 272 Table[RTLIB::FMIN_F128] = i64_i64_func_i64_i64_i64_i64; 273 Table[RTLIB::FMAX_F32] = f32_func_f32_f32; 274 Table[RTLIB::FMAX_F64] = f64_func_f64_f64; 275 Table[RTLIB::FMAX_F128] = i64_i64_func_i64_i64_i64_i64; 276 Table[RTLIB::LDEXP_F32] = f32_func_f32_i32; 277 Table[RTLIB::LDEXP_F64] = f64_func_f64_i32; 278 Table[RTLIB::LDEXP_F128] = i64_i64_func_i64_i64_i32; 279 Table[RTLIB::FREXP_F32] = f32_func_f32_i32; 280 Table[RTLIB::FREXP_F64] = f64_func_f64_i32; 281 Table[RTLIB::FREXP_F128] = i64_i64_func_i64_i64_i32; 282 283 // Conversion 284 // All F80 and PPCF128 routines are unsupported. 285 Table[RTLIB::FPEXT_F64_F128] = i64_i64_func_f64; 286 Table[RTLIB::FPEXT_F32_F128] = i64_i64_func_f32; 287 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; 288 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; 289 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; 290 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64; 291 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; 292 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64; 293 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; 294 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; 295 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; 296 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; 297 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; 298 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; 299 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; 300 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; 301 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; 302 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; 303 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; 304 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; 305 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; 306 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; 307 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; 308 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; 309 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; 310 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; 311 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; 312 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; 313 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; 314 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; 315 Table[RTLIB::SINTTOFP_I32_F128] = i64_i64_func_i32; 316 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; 317 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; 318 Table[RTLIB::SINTTOFP_I64_F128] = i64_i64_func_i64; 319 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; 320 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; 321 Table[RTLIB::SINTTOFP_I128_F128] = i64_i64_func_i64_i64; 322 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; 323 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; 324 Table[RTLIB::UINTTOFP_I32_F128] = i64_i64_func_i32; 325 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; 326 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; 327 Table[RTLIB::UINTTOFP_I64_F128] = i64_i64_func_i64; 328 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; 329 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; 330 Table[RTLIB::UINTTOFP_I128_F128] = i64_i64_func_i64_i64; 331 332 // Comparison 333 // ALl F80 and PPCF128 routines are unsupported. 334 Table[RTLIB::OEQ_F32] = i32_func_f32_f32; 335 Table[RTLIB::OEQ_F64] = i32_func_f64_f64; 336 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; 337 Table[RTLIB::UNE_F32] = i32_func_f32_f32; 338 Table[RTLIB::UNE_F64] = i32_func_f64_f64; 339 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; 340 Table[RTLIB::OGE_F32] = i32_func_f32_f32; 341 Table[RTLIB::OGE_F64] = i32_func_f64_f64; 342 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; 343 Table[RTLIB::OLT_F32] = i32_func_f32_f32; 344 Table[RTLIB::OLT_F64] = i32_func_f64_f64; 345 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; 346 Table[RTLIB::OLE_F32] = i32_func_f32_f32; 347 Table[RTLIB::OLE_F64] = i32_func_f64_f64; 348 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; 349 Table[RTLIB::OGT_F32] = i32_func_f32_f32; 350 Table[RTLIB::OGT_F64] = i32_func_f64_f64; 351 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; 352 Table[RTLIB::UO_F32] = i32_func_f32_f32; 353 Table[RTLIB::UO_F64] = i32_func_f64_f64; 354 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; 355 356 // Memory 357 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; 358 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; 359 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; 360 361 // __stack_chk_fail 362 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func; 363 364 // Return address handling 365 Table[RTLIB::RETURN_ADDRESS] = iPTR_func_i32; 366 367 // Element-wise Atomic memory 368 // TODO: Fix these when we implement atomic support 369 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 370 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 371 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 372 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 373 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 374 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 375 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 376 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 377 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 378 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 379 380 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 381 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 382 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 383 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 384 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 385 386 // Atomic '__sync_*' libcalls. 387 // TODO: Fix these when we implement atomic support 388 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; 389 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; 390 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; 391 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; 392 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; 393 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; 394 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; 395 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; 396 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; 397 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; 398 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; 399 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; 400 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; 401 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; 402 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; 403 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; 404 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; 405 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; 406 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; 407 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; 408 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; 409 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; 410 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; 411 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; 412 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; 413 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; 414 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; 415 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; 416 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; 417 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; 418 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; 419 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; 420 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; 421 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; 422 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; 423 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; 424 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; 425 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; 426 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; 427 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; 428 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; 429 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; 430 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; 431 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; 432 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; 433 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; 434 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; 435 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; 436 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; 437 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; 438 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; 439 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; 440 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; 441 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; 442 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; 443 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; 444 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; 445 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; 446 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; 447 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; 448 449 // Atomic '__atomic_*' libcalls. 450 // TODO: Fix these when we implement atomic support 451 Table[RTLIB::ATOMIC_LOAD] = unsupported; 452 Table[RTLIB::ATOMIC_LOAD_1] = unsupported; 453 Table[RTLIB::ATOMIC_LOAD_2] = unsupported; 454 Table[RTLIB::ATOMIC_LOAD_4] = unsupported; 455 Table[RTLIB::ATOMIC_LOAD_8] = unsupported; 456 Table[RTLIB::ATOMIC_LOAD_16] = unsupported; 457 458 Table[RTLIB::ATOMIC_STORE] = unsupported; 459 Table[RTLIB::ATOMIC_STORE_1] = unsupported; 460 Table[RTLIB::ATOMIC_STORE_2] = unsupported; 461 Table[RTLIB::ATOMIC_STORE_4] = unsupported; 462 Table[RTLIB::ATOMIC_STORE_8] = unsupported; 463 Table[RTLIB::ATOMIC_STORE_16] = unsupported; 464 465 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; 466 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; 467 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; 468 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; 469 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; 470 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; 471 472 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; 473 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; 474 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; 475 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; 476 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; 477 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; 478 479 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; 480 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; 481 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; 482 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; 483 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; 484 485 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; 486 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; 487 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; 488 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; 489 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; 490 491 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; 492 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; 493 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; 494 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; 495 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; 496 497 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; 498 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; 499 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; 500 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; 501 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; 502 503 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; 504 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; 505 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; 506 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; 507 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; 508 509 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; 510 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; 511 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; 512 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; 513 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; 514 } 515 }; 516 517 RuntimeLibcallSignatureTable &getRuntimeLibcallSignatures() { 518 static RuntimeLibcallSignatureTable RuntimeLibcallSignatures; 519 return RuntimeLibcallSignatures; 520 } 521 522 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a 523 // constructor for use with a static variable 524 struct StaticLibcallNameMap { 525 StringMap<RTLIB::Libcall> Map; 526 StaticLibcallNameMap() { 527 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { 528 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, 529 #include "llvm/IR/RuntimeLibcalls.def" 530 #undef HANDLE_LIBCALL 531 }; 532 for (const auto &NameLibcall : NameLibcalls) { 533 if (NameLibcall.first != nullptr && 534 getRuntimeLibcallSignatures().Table[NameLibcall.second] != 535 unsupported) { 536 assert(!Map.contains(NameLibcall.first) && 537 "duplicate libcall names in name map"); 538 Map[NameLibcall.first] = NameLibcall.second; 539 } 540 } 541 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is 542 // consistent with the f64 and f128 names. 543 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32; 544 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16; 545 546 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS; 547 } 548 }; 549 550 } // end anonymous namespace 551 552 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 553 RTLIB::Libcall LC, 554 SmallVectorImpl<wasm::ValType> &Rets, 555 SmallVectorImpl<wasm::ValType> &Params) { 556 assert(Rets.empty()); 557 assert(Params.empty()); 558 559 wasm::ValType PtrTy = 560 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; 561 562 auto &Table = getRuntimeLibcallSignatures().Table; 563 switch (Table[LC]) { 564 case func: 565 break; 566 case f32_func_f32: 567 Rets.push_back(wasm::ValType::F32); 568 Params.push_back(wasm::ValType::F32); 569 break; 570 case f32_func_f64: 571 Rets.push_back(wasm::ValType::F32); 572 Params.push_back(wasm::ValType::F64); 573 break; 574 case f32_func_i32: 575 Rets.push_back(wasm::ValType::F32); 576 Params.push_back(wasm::ValType::I32); 577 break; 578 case f32_func_i64: 579 Rets.push_back(wasm::ValType::F32); 580 Params.push_back(wasm::ValType::I64); 581 break; 582 case f32_func_i16: 583 Rets.push_back(wasm::ValType::F32); 584 Params.push_back(wasm::ValType::I32); 585 break; 586 case f64_func_f32: 587 Rets.push_back(wasm::ValType::F64); 588 Params.push_back(wasm::ValType::F32); 589 break; 590 case f64_func_f64: 591 Rets.push_back(wasm::ValType::F64); 592 Params.push_back(wasm::ValType::F64); 593 break; 594 case f64_func_i32: 595 Rets.push_back(wasm::ValType::F64); 596 Params.push_back(wasm::ValType::I32); 597 break; 598 case f64_func_i64: 599 Rets.push_back(wasm::ValType::F64); 600 Params.push_back(wasm::ValType::I64); 601 break; 602 case i32_func_f32: 603 Rets.push_back(wasm::ValType::I32); 604 Params.push_back(wasm::ValType::F32); 605 break; 606 case i32_func_f64: 607 Rets.push_back(wasm::ValType::I32); 608 Params.push_back(wasm::ValType::F64); 609 break; 610 case i32_func_i32: 611 Rets.push_back(wasm::ValType::I32); 612 Params.push_back(wasm::ValType::I32); 613 break; 614 case i64_func_f32: 615 Rets.push_back(wasm::ValType::I64); 616 Params.push_back(wasm::ValType::F32); 617 break; 618 case i64_func_f64: 619 Rets.push_back(wasm::ValType::I64); 620 Params.push_back(wasm::ValType::F64); 621 break; 622 case i64_func_i64: 623 Rets.push_back(wasm::ValType::I64); 624 Params.push_back(wasm::ValType::I64); 625 break; 626 case f32_func_f32_f32: 627 Rets.push_back(wasm::ValType::F32); 628 Params.push_back(wasm::ValType::F32); 629 Params.push_back(wasm::ValType::F32); 630 break; 631 case f32_func_f32_i32: 632 Rets.push_back(wasm::ValType::F32); 633 Params.push_back(wasm::ValType::F32); 634 Params.push_back(wasm::ValType::I32); 635 break; 636 case f32_func_i64_i64: 637 Rets.push_back(wasm::ValType::F32); 638 Params.push_back(wasm::ValType::I64); 639 Params.push_back(wasm::ValType::I64); 640 break; 641 case f64_func_f64_f64: 642 Rets.push_back(wasm::ValType::F64); 643 Params.push_back(wasm::ValType::F64); 644 Params.push_back(wasm::ValType::F64); 645 break; 646 case f64_func_f64_i32: 647 Rets.push_back(wasm::ValType::F64); 648 Params.push_back(wasm::ValType::F64); 649 Params.push_back(wasm::ValType::I32); 650 break; 651 case f64_func_i64_i64: 652 Rets.push_back(wasm::ValType::F64); 653 Params.push_back(wasm::ValType::I64); 654 Params.push_back(wasm::ValType::I64); 655 break; 656 case i16_func_f32: 657 Rets.push_back(wasm::ValType::I32); 658 Params.push_back(wasm::ValType::F32); 659 break; 660 case i16_func_f64: 661 Rets.push_back(wasm::ValType::I32); 662 Params.push_back(wasm::ValType::F64); 663 break; 664 case i16_func_i64_i64: 665 Rets.push_back(wasm::ValType::I32); 666 Params.push_back(wasm::ValType::I64); 667 Params.push_back(wasm::ValType::I64); 668 break; 669 case i8_func_i8_i8: 670 Rets.push_back(wasm::ValType::I32); 671 Params.push_back(wasm::ValType::I32); 672 Params.push_back(wasm::ValType::I32); 673 break; 674 case func_f32_iPTR_iPTR: 675 Params.push_back(wasm::ValType::F32); 676 Params.push_back(PtrTy); 677 Params.push_back(PtrTy); 678 break; 679 case func_f64_iPTR_iPTR: 680 Params.push_back(wasm::ValType::F64); 681 Params.push_back(PtrTy); 682 Params.push_back(PtrTy); 683 break; 684 case i16_func_i16_i16: 685 Rets.push_back(wasm::ValType::I32); 686 Params.push_back(wasm::ValType::I32); 687 Params.push_back(wasm::ValType::I32); 688 break; 689 case i32_func_f32_f32: 690 Rets.push_back(wasm::ValType::I32); 691 Params.push_back(wasm::ValType::F32); 692 Params.push_back(wasm::ValType::F32); 693 break; 694 case i32_func_f64_f64: 695 Rets.push_back(wasm::ValType::I32); 696 Params.push_back(wasm::ValType::F64); 697 Params.push_back(wasm::ValType::F64); 698 break; 699 case i32_func_i32_i32: 700 Rets.push_back(wasm::ValType::I32); 701 Params.push_back(wasm::ValType::I32); 702 Params.push_back(wasm::ValType::I32); 703 break; 704 case i32_func_i32_i32_iPTR: 705 Rets.push_back(wasm::ValType::I32); 706 Params.push_back(wasm::ValType::I32); 707 Params.push_back(wasm::ValType::I32); 708 Params.push_back(PtrTy); 709 break; 710 case i64_func_i64_i64: 711 Rets.push_back(wasm::ValType::I64); 712 Params.push_back(wasm::ValType::I64); 713 Params.push_back(wasm::ValType::I64); 714 break; 715 case i64_func_i64_i64_iPTR: 716 Rets.push_back(wasm::ValType::I64); 717 Params.push_back(wasm::ValType::I64); 718 Params.push_back(wasm::ValType::I64); 719 Params.push_back(PtrTy); 720 break; 721 case i64_i64_func_f32: 722 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 723 Rets.push_back(wasm::ValType::I64); 724 Rets.push_back(wasm::ValType::I64); 725 } else { 726 Params.push_back(PtrTy); 727 } 728 Params.push_back(wasm::ValType::F32); 729 break; 730 case i64_i64_func_f64: 731 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 732 Rets.push_back(wasm::ValType::I64); 733 Rets.push_back(wasm::ValType::I64); 734 } else { 735 Params.push_back(PtrTy); 736 } 737 Params.push_back(wasm::ValType::F64); 738 break; 739 case i16_i16_func_i16_i16: 740 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 741 Rets.push_back(wasm::ValType::I32); 742 Rets.push_back(wasm::ValType::I32); 743 } else { 744 Params.push_back(PtrTy); 745 } 746 Params.push_back(wasm::ValType::I32); 747 Params.push_back(wasm::ValType::I32); 748 break; 749 case i32_i32_func_i32_i32: 750 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 751 Rets.push_back(wasm::ValType::I32); 752 Rets.push_back(wasm::ValType::I32); 753 } else { 754 Params.push_back(PtrTy); 755 } 756 Params.push_back(wasm::ValType::I32); 757 Params.push_back(wasm::ValType::I32); 758 break; 759 case i64_i64_func_i64_i64: 760 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 761 Rets.push_back(wasm::ValType::I64); 762 Rets.push_back(wasm::ValType::I64); 763 } else { 764 Params.push_back(PtrTy); 765 } 766 Params.push_back(wasm::ValType::I64); 767 Params.push_back(wasm::ValType::I64); 768 break; 769 case i64_i64_func_i64_i64_i64_i64: 770 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 771 Rets.push_back(wasm::ValType::I64); 772 Rets.push_back(wasm::ValType::I64); 773 } else { 774 Params.push_back(PtrTy); 775 } 776 Params.push_back(wasm::ValType::I64); 777 Params.push_back(wasm::ValType::I64); 778 Params.push_back(wasm::ValType::I64); 779 Params.push_back(wasm::ValType::I64); 780 break; 781 case i64_i64_func_i64_i64_i64_i64_iPTR: 782 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 783 Rets.push_back(wasm::ValType::I64); 784 Rets.push_back(wasm::ValType::I64); 785 } else { 786 Params.push_back(PtrTy); 787 } 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(wasm::ValType::I64); 792 Params.push_back(PtrTy); 793 break; 794 case i64_i64_i64_i64_func_i64_i64_i64_i64: 795 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 796 Rets.push_back(wasm::ValType::I64); 797 Rets.push_back(wasm::ValType::I64); 798 Rets.push_back(wasm::ValType::I64); 799 Rets.push_back(wasm::ValType::I64); 800 } else { 801 Params.push_back(PtrTy); 802 } 803 Params.push_back(wasm::ValType::I64); 804 Params.push_back(wasm::ValType::I64); 805 Params.push_back(wasm::ValType::I64); 806 Params.push_back(wasm::ValType::I64); 807 break; 808 case i64_i64_func_i64_i64_i32: 809 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 810 Rets.push_back(wasm::ValType::I64); 811 Rets.push_back(wasm::ValType::I64); 812 } else { 813 Params.push_back(PtrTy); 814 } 815 Params.push_back(wasm::ValType::I64); 816 Params.push_back(wasm::ValType::I64); 817 Params.push_back(wasm::ValType::I32); 818 break; 819 case iPTR_func_i32: 820 Rets.push_back(PtrTy); 821 Params.push_back(wasm::ValType::I32); 822 break; 823 case iPTR_func_iPTR_i32_iPTR: 824 Rets.push_back(PtrTy); 825 Params.push_back(PtrTy); 826 Params.push_back(wasm::ValType::I32); 827 Params.push_back(PtrTy); 828 break; 829 case iPTR_func_iPTR_iPTR_iPTR: 830 Rets.push_back(PtrTy); 831 Params.push_back(PtrTy); 832 Params.push_back(PtrTy); 833 Params.push_back(PtrTy); 834 break; 835 case f32_func_f32_f32_f32: 836 Rets.push_back(wasm::ValType::F32); 837 Params.push_back(wasm::ValType::F32); 838 Params.push_back(wasm::ValType::F32); 839 Params.push_back(wasm::ValType::F32); 840 break; 841 case f64_func_f64_f64_f64: 842 Rets.push_back(wasm::ValType::F64); 843 Params.push_back(wasm::ValType::F64); 844 Params.push_back(wasm::ValType::F64); 845 Params.push_back(wasm::ValType::F64); 846 break; 847 case func_i64_i64_iPTR_iPTR: 848 Params.push_back(wasm::ValType::I64); 849 Params.push_back(wasm::ValType::I64); 850 Params.push_back(PtrTy); 851 Params.push_back(PtrTy); 852 break; 853 case i32_func_i64_i64: 854 Rets.push_back(wasm::ValType::I32); 855 Params.push_back(wasm::ValType::I64); 856 Params.push_back(wasm::ValType::I64); 857 break; 858 case i32_func_i64_i64_i64_i64: 859 Rets.push_back(wasm::ValType::I32); 860 Params.push_back(wasm::ValType::I64); 861 Params.push_back(wasm::ValType::I64); 862 Params.push_back(wasm::ValType::I64); 863 Params.push_back(wasm::ValType::I64); 864 break; 865 case iPTR_func_f32: 866 Rets.push_back(PtrTy); 867 Params.push_back(wasm::ValType::F32); 868 break; 869 case iPTR_func_f64: 870 Rets.push_back(PtrTy); 871 Params.push_back(wasm::ValType::F64); 872 break; 873 case iPTR_func_i64_i64: 874 Rets.push_back(PtrTy); 875 Params.push_back(wasm::ValType::I64); 876 Params.push_back(wasm::ValType::I64); 877 break; 878 case i64_i64_func_i64_i64_i64_i64_i64_i64: 879 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 880 Rets.push_back(wasm::ValType::I64); 881 Rets.push_back(wasm::ValType::I64); 882 } else { 883 Params.push_back(PtrTy); 884 } 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 Params.push_back(wasm::ValType::I64); 891 break; 892 case i64_i64_func_i32: 893 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 894 Rets.push_back(wasm::ValType::I64); 895 Rets.push_back(wasm::ValType::I64); 896 } else { 897 Params.push_back(PtrTy); 898 } 899 Params.push_back(wasm::ValType::I32); 900 break; 901 case i64_i64_func_i64: 902 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 903 Rets.push_back(wasm::ValType::I64); 904 Rets.push_back(wasm::ValType::I64); 905 } else { 906 Params.push_back(PtrTy); 907 } 908 Params.push_back(wasm::ValType::I64); 909 break; 910 case unsupported: 911 llvm_unreachable("unsupported runtime library signature"); 912 } 913 } 914 915 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unused 916 // other than here, just roll its logic into this version. 917 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 918 StringRef Name, 919 SmallVectorImpl<wasm::ValType> &Rets, 920 SmallVectorImpl<wasm::ValType> &Params) { 921 static StaticLibcallNameMap LibcallNameMap; 922 auto &Map = LibcallNameMap.Map; 923 auto Val = Map.find(Name); 924 #ifndef NDEBUG 925 if (Val == Map.end()) { 926 auto Message = 927 std::string("unexpected runtime library name: ") + std::string(Name); 928 llvm_unreachable(Message.c_str()); 929 } 930 #endif 931 return getLibcallSignature(Subtarget, Val->second, Rets, Params); 932 } 933