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::SINH_F32] = f32_func_f32; 217 Table[RTLIB::SINH_F64] = f64_func_f64; 218 Table[RTLIB::SINH_F128] = i64_i64_func_i64_i64; 219 Table[RTLIB::COSH_F32] = f32_func_f32; 220 Table[RTLIB::COSH_F64] = f64_func_f64; 221 Table[RTLIB::COSH_F128] = i64_i64_func_i64_i64; 222 Table[RTLIB::TANH_F32] = f32_func_f32; 223 Table[RTLIB::TANH_F64] = f64_func_f64; 224 Table[RTLIB::TANH_F128] = i64_i64_func_i64_i64; 225 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; 226 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; 227 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; 228 Table[RTLIB::POW_F32] = f32_func_f32_f32; 229 Table[RTLIB::POW_F64] = f64_func_f64_f64; 230 Table[RTLIB::POW_F128] = i64_i64_func_i64_i64_i64_i64; 231 Table[RTLIB::CEIL_F32] = f32_func_f32; 232 Table[RTLIB::CEIL_F64] = f64_func_f64; 233 Table[RTLIB::CEIL_F128] = i64_i64_func_i64_i64; 234 Table[RTLIB::TRUNC_F32] = f32_func_f32; 235 Table[RTLIB::TRUNC_F64] = f64_func_f64; 236 Table[RTLIB::TRUNC_F128] = i64_i64_func_i64_i64; 237 Table[RTLIB::RINT_F32] = f32_func_f32; 238 Table[RTLIB::RINT_F64] = f64_func_f64; 239 Table[RTLIB::RINT_F128] = i64_i64_func_i64_i64; 240 Table[RTLIB::NEARBYINT_F32] = f32_func_f32; 241 Table[RTLIB::NEARBYINT_F64] = f64_func_f64; 242 Table[RTLIB::NEARBYINT_F128] = i64_i64_func_i64_i64; 243 Table[RTLIB::ROUND_F32] = f32_func_f32; 244 Table[RTLIB::ROUND_F64] = f64_func_f64; 245 Table[RTLIB::ROUND_F128] = i64_i64_func_i64_i64; 246 Table[RTLIB::ROUNDEVEN_F32] = f32_func_f32; 247 Table[RTLIB::ROUNDEVEN_F64] = f64_func_f64; 248 Table[RTLIB::ROUNDEVEN_F128] = i64_i64_func_i64_i64; 249 Table[RTLIB::LROUND_F32] = iPTR_func_f32; 250 Table[RTLIB::LROUND_F64] = iPTR_func_f64; 251 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64; 252 Table[RTLIB::LLROUND_F32] = i64_func_f32; 253 Table[RTLIB::LLROUND_F64] = i64_func_f64; 254 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64; 255 Table[RTLIB::LRINT_F32] = iPTR_func_f32; 256 Table[RTLIB::LRINT_F64] = iPTR_func_f64; 257 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64; 258 Table[RTLIB::LLRINT_F32] = i64_func_f32; 259 Table[RTLIB::LLRINT_F64] = i64_func_f64; 260 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64; 261 Table[RTLIB::FLOOR_F32] = f32_func_f32; 262 Table[RTLIB::FLOOR_F64] = f64_func_f64; 263 Table[RTLIB::FLOOR_F128] = i64_i64_func_i64_i64; 264 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; 265 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; 266 Table[RTLIB::COPYSIGN_F128] = i64_i64_func_i64_i64_i64_i64; 267 Table[RTLIB::FMIN_F32] = f32_func_f32_f32; 268 Table[RTLIB::FMIN_F64] = f64_func_f64_f64; 269 Table[RTLIB::FMIN_F128] = i64_i64_func_i64_i64_i64_i64; 270 Table[RTLIB::FMAX_F32] = f32_func_f32_f32; 271 Table[RTLIB::FMAX_F64] = f64_func_f64_f64; 272 Table[RTLIB::FMAX_F128] = i64_i64_func_i64_i64_i64_i64; 273 Table[RTLIB::LDEXP_F32] = f32_func_f32_i32; 274 Table[RTLIB::LDEXP_F64] = f64_func_f64_i32; 275 Table[RTLIB::LDEXP_F128] = i64_i64_func_i64_i64_i32; 276 Table[RTLIB::FREXP_F32] = f32_func_f32_i32; 277 Table[RTLIB::FREXP_F64] = f64_func_f64_i32; 278 Table[RTLIB::FREXP_F128] = i64_i64_func_i64_i64_i32; 279 280 // Conversion 281 // All F80 and PPCF128 routines are unsupported. 282 Table[RTLIB::FPEXT_F64_F128] = i64_i64_func_f64; 283 Table[RTLIB::FPEXT_F32_F128] = i64_i64_func_f32; 284 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; 285 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; 286 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; 287 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64; 288 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; 289 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64; 290 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; 291 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; 292 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; 293 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; 294 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; 295 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; 296 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; 297 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; 298 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; 299 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; 300 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; 301 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; 302 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; 303 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; 304 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; 305 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; 306 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; 307 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; 308 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; 309 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; 310 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; 311 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; 312 Table[RTLIB::SINTTOFP_I32_F128] = i64_i64_func_i32; 313 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; 314 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; 315 Table[RTLIB::SINTTOFP_I64_F128] = i64_i64_func_i64; 316 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; 317 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; 318 Table[RTLIB::SINTTOFP_I128_F128] = i64_i64_func_i64_i64; 319 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; 320 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; 321 Table[RTLIB::UINTTOFP_I32_F128] = i64_i64_func_i32; 322 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; 323 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; 324 Table[RTLIB::UINTTOFP_I64_F128] = i64_i64_func_i64; 325 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; 326 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; 327 Table[RTLIB::UINTTOFP_I128_F128] = i64_i64_func_i64_i64; 328 329 // Comparison 330 // ALl F80 and PPCF128 routines are unsupported. 331 Table[RTLIB::OEQ_F32] = i32_func_f32_f32; 332 Table[RTLIB::OEQ_F64] = i32_func_f64_f64; 333 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; 334 Table[RTLIB::UNE_F32] = i32_func_f32_f32; 335 Table[RTLIB::UNE_F64] = i32_func_f64_f64; 336 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; 337 Table[RTLIB::OGE_F32] = i32_func_f32_f32; 338 Table[RTLIB::OGE_F64] = i32_func_f64_f64; 339 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; 340 Table[RTLIB::OLT_F32] = i32_func_f32_f32; 341 Table[RTLIB::OLT_F64] = i32_func_f64_f64; 342 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; 343 Table[RTLIB::OLE_F32] = i32_func_f32_f32; 344 Table[RTLIB::OLE_F64] = i32_func_f64_f64; 345 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; 346 Table[RTLIB::OGT_F32] = i32_func_f32_f32; 347 Table[RTLIB::OGT_F64] = i32_func_f64_f64; 348 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; 349 Table[RTLIB::UO_F32] = i32_func_f32_f32; 350 Table[RTLIB::UO_F64] = i32_func_f64_f64; 351 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; 352 353 // Memory 354 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; 355 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; 356 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; 357 358 // __stack_chk_fail 359 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func; 360 361 // Return address handling 362 Table[RTLIB::RETURN_ADDRESS] = iPTR_func_i32; 363 364 // Element-wise Atomic memory 365 // TODO: Fix these when we implement atomic support 366 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 367 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 368 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 369 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 370 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 371 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 372 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 373 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 374 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 375 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 376 377 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; 378 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; 379 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; 380 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; 381 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; 382 383 // Atomic '__sync_*' libcalls. 384 // TODO: Fix these when we implement atomic support 385 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; 386 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; 387 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; 388 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; 389 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; 390 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; 391 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; 392 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; 393 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; 394 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; 395 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; 396 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; 397 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; 398 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; 399 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; 400 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; 401 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; 402 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; 403 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; 404 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; 405 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; 406 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; 407 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; 408 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; 409 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; 410 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; 411 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; 412 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; 413 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; 414 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; 415 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; 416 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; 417 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; 418 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; 419 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; 420 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; 421 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; 422 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; 423 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; 424 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; 425 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; 426 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; 427 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; 428 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; 429 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; 430 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; 431 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; 432 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; 433 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; 434 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; 435 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; 436 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; 437 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; 438 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; 439 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; 440 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; 441 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; 442 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; 443 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; 444 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; 445 446 // Atomic '__atomic_*' libcalls. 447 // TODO: Fix these when we implement atomic support 448 Table[RTLIB::ATOMIC_LOAD] = unsupported; 449 Table[RTLIB::ATOMIC_LOAD_1] = unsupported; 450 Table[RTLIB::ATOMIC_LOAD_2] = unsupported; 451 Table[RTLIB::ATOMIC_LOAD_4] = unsupported; 452 Table[RTLIB::ATOMIC_LOAD_8] = unsupported; 453 Table[RTLIB::ATOMIC_LOAD_16] = unsupported; 454 455 Table[RTLIB::ATOMIC_STORE] = unsupported; 456 Table[RTLIB::ATOMIC_STORE_1] = unsupported; 457 Table[RTLIB::ATOMIC_STORE_2] = unsupported; 458 Table[RTLIB::ATOMIC_STORE_4] = unsupported; 459 Table[RTLIB::ATOMIC_STORE_8] = unsupported; 460 Table[RTLIB::ATOMIC_STORE_16] = unsupported; 461 462 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; 463 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; 464 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; 465 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; 466 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; 467 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; 468 469 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; 470 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; 471 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; 472 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; 473 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; 474 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; 475 476 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; 477 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; 478 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; 479 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; 480 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; 481 482 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; 483 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; 484 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; 485 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; 486 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; 487 488 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; 489 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; 490 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; 491 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; 492 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; 493 494 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; 495 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; 496 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; 497 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; 498 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; 499 500 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; 501 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; 502 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; 503 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; 504 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; 505 506 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; 507 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; 508 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; 509 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; 510 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; 511 } 512 }; 513 514 RuntimeLibcallSignatureTable &getRuntimeLibcallSignatures() { 515 static RuntimeLibcallSignatureTable RuntimeLibcallSignatures; 516 return RuntimeLibcallSignatures; 517 } 518 519 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a 520 // constructor for use with a static variable 521 struct StaticLibcallNameMap { 522 StringMap<RTLIB::Libcall> Map; 523 StaticLibcallNameMap() { 524 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { 525 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, 526 #include "llvm/IR/RuntimeLibcalls.def" 527 #undef HANDLE_LIBCALL 528 }; 529 for (const auto &NameLibcall : NameLibcalls) { 530 if (NameLibcall.first != nullptr && 531 getRuntimeLibcallSignatures().Table[NameLibcall.second] != 532 unsupported) { 533 assert(!Map.contains(NameLibcall.first) && 534 "duplicate libcall names in name map"); 535 Map[NameLibcall.first] = NameLibcall.second; 536 } 537 } 538 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is 539 // consistent with the f64 and f128 names. 540 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32; 541 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16; 542 543 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS; 544 } 545 }; 546 547 } // end anonymous namespace 548 549 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 550 RTLIB::Libcall LC, 551 SmallVectorImpl<wasm::ValType> &Rets, 552 SmallVectorImpl<wasm::ValType> &Params) { 553 assert(Rets.empty()); 554 assert(Params.empty()); 555 556 wasm::ValType PtrTy = 557 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; 558 559 auto &Table = getRuntimeLibcallSignatures().Table; 560 switch (Table[LC]) { 561 case func: 562 break; 563 case f32_func_f32: 564 Rets.push_back(wasm::ValType::F32); 565 Params.push_back(wasm::ValType::F32); 566 break; 567 case f32_func_f64: 568 Rets.push_back(wasm::ValType::F32); 569 Params.push_back(wasm::ValType::F64); 570 break; 571 case f32_func_i32: 572 Rets.push_back(wasm::ValType::F32); 573 Params.push_back(wasm::ValType::I32); 574 break; 575 case f32_func_i64: 576 Rets.push_back(wasm::ValType::F32); 577 Params.push_back(wasm::ValType::I64); 578 break; 579 case f32_func_i16: 580 Rets.push_back(wasm::ValType::F32); 581 Params.push_back(wasm::ValType::I32); 582 break; 583 case f64_func_f32: 584 Rets.push_back(wasm::ValType::F64); 585 Params.push_back(wasm::ValType::F32); 586 break; 587 case f64_func_f64: 588 Rets.push_back(wasm::ValType::F64); 589 Params.push_back(wasm::ValType::F64); 590 break; 591 case f64_func_i32: 592 Rets.push_back(wasm::ValType::F64); 593 Params.push_back(wasm::ValType::I32); 594 break; 595 case f64_func_i64: 596 Rets.push_back(wasm::ValType::F64); 597 Params.push_back(wasm::ValType::I64); 598 break; 599 case i32_func_f32: 600 Rets.push_back(wasm::ValType::I32); 601 Params.push_back(wasm::ValType::F32); 602 break; 603 case i32_func_f64: 604 Rets.push_back(wasm::ValType::I32); 605 Params.push_back(wasm::ValType::F64); 606 break; 607 case i32_func_i32: 608 Rets.push_back(wasm::ValType::I32); 609 Params.push_back(wasm::ValType::I32); 610 break; 611 case i64_func_f32: 612 Rets.push_back(wasm::ValType::I64); 613 Params.push_back(wasm::ValType::F32); 614 break; 615 case i64_func_f64: 616 Rets.push_back(wasm::ValType::I64); 617 Params.push_back(wasm::ValType::F64); 618 break; 619 case i64_func_i64: 620 Rets.push_back(wasm::ValType::I64); 621 Params.push_back(wasm::ValType::I64); 622 break; 623 case f32_func_f32_f32: 624 Rets.push_back(wasm::ValType::F32); 625 Params.push_back(wasm::ValType::F32); 626 Params.push_back(wasm::ValType::F32); 627 break; 628 case f32_func_f32_i32: 629 Rets.push_back(wasm::ValType::F32); 630 Params.push_back(wasm::ValType::F32); 631 Params.push_back(wasm::ValType::I32); 632 break; 633 case f32_func_i64_i64: 634 Rets.push_back(wasm::ValType::F32); 635 Params.push_back(wasm::ValType::I64); 636 Params.push_back(wasm::ValType::I64); 637 break; 638 case f64_func_f64_f64: 639 Rets.push_back(wasm::ValType::F64); 640 Params.push_back(wasm::ValType::F64); 641 Params.push_back(wasm::ValType::F64); 642 break; 643 case f64_func_f64_i32: 644 Rets.push_back(wasm::ValType::F64); 645 Params.push_back(wasm::ValType::F64); 646 Params.push_back(wasm::ValType::I32); 647 break; 648 case f64_func_i64_i64: 649 Rets.push_back(wasm::ValType::F64); 650 Params.push_back(wasm::ValType::I64); 651 Params.push_back(wasm::ValType::I64); 652 break; 653 case i16_func_f32: 654 Rets.push_back(wasm::ValType::I32); 655 Params.push_back(wasm::ValType::F32); 656 break; 657 case i16_func_f64: 658 Rets.push_back(wasm::ValType::I32); 659 Params.push_back(wasm::ValType::F64); 660 break; 661 case i16_func_i64_i64: 662 Rets.push_back(wasm::ValType::I32); 663 Params.push_back(wasm::ValType::I64); 664 Params.push_back(wasm::ValType::I64); 665 break; 666 case i8_func_i8_i8: 667 Rets.push_back(wasm::ValType::I32); 668 Params.push_back(wasm::ValType::I32); 669 Params.push_back(wasm::ValType::I32); 670 break; 671 case func_f32_iPTR_iPTR: 672 Params.push_back(wasm::ValType::F32); 673 Params.push_back(PtrTy); 674 Params.push_back(PtrTy); 675 break; 676 case func_f64_iPTR_iPTR: 677 Params.push_back(wasm::ValType::F64); 678 Params.push_back(PtrTy); 679 Params.push_back(PtrTy); 680 break; 681 case i16_func_i16_i16: 682 Rets.push_back(wasm::ValType::I32); 683 Params.push_back(wasm::ValType::I32); 684 Params.push_back(wasm::ValType::I32); 685 break; 686 case i32_func_f32_f32: 687 Rets.push_back(wasm::ValType::I32); 688 Params.push_back(wasm::ValType::F32); 689 Params.push_back(wasm::ValType::F32); 690 break; 691 case i32_func_f64_f64: 692 Rets.push_back(wasm::ValType::I32); 693 Params.push_back(wasm::ValType::F64); 694 Params.push_back(wasm::ValType::F64); 695 break; 696 case i32_func_i32_i32: 697 Rets.push_back(wasm::ValType::I32); 698 Params.push_back(wasm::ValType::I32); 699 Params.push_back(wasm::ValType::I32); 700 break; 701 case i32_func_i32_i32_iPTR: 702 Rets.push_back(wasm::ValType::I32); 703 Params.push_back(wasm::ValType::I32); 704 Params.push_back(wasm::ValType::I32); 705 Params.push_back(PtrTy); 706 break; 707 case i64_func_i64_i64: 708 Rets.push_back(wasm::ValType::I64); 709 Params.push_back(wasm::ValType::I64); 710 Params.push_back(wasm::ValType::I64); 711 break; 712 case i64_func_i64_i64_iPTR: 713 Rets.push_back(wasm::ValType::I64); 714 Params.push_back(wasm::ValType::I64); 715 Params.push_back(wasm::ValType::I64); 716 Params.push_back(PtrTy); 717 break; 718 case i64_i64_func_f32: 719 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 720 Rets.push_back(wasm::ValType::I64); 721 Rets.push_back(wasm::ValType::I64); 722 } else { 723 Params.push_back(PtrTy); 724 } 725 Params.push_back(wasm::ValType::F32); 726 break; 727 case i64_i64_func_f64: 728 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 729 Rets.push_back(wasm::ValType::I64); 730 Rets.push_back(wasm::ValType::I64); 731 } else { 732 Params.push_back(PtrTy); 733 } 734 Params.push_back(wasm::ValType::F64); 735 break; 736 case i16_i16_func_i16_i16: 737 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 738 Rets.push_back(wasm::ValType::I32); 739 Rets.push_back(wasm::ValType::I32); 740 } else { 741 Params.push_back(PtrTy); 742 } 743 Params.push_back(wasm::ValType::I32); 744 Params.push_back(wasm::ValType::I32); 745 break; 746 case i32_i32_func_i32_i32: 747 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 748 Rets.push_back(wasm::ValType::I32); 749 Rets.push_back(wasm::ValType::I32); 750 } else { 751 Params.push_back(PtrTy); 752 } 753 Params.push_back(wasm::ValType::I32); 754 Params.push_back(wasm::ValType::I32); 755 break; 756 case i64_i64_func_i64_i64: 757 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 758 Rets.push_back(wasm::ValType::I64); 759 Rets.push_back(wasm::ValType::I64); 760 } else { 761 Params.push_back(PtrTy); 762 } 763 Params.push_back(wasm::ValType::I64); 764 Params.push_back(wasm::ValType::I64); 765 break; 766 case i64_i64_func_i64_i64_i64_i64: 767 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 768 Rets.push_back(wasm::ValType::I64); 769 Rets.push_back(wasm::ValType::I64); 770 } else { 771 Params.push_back(PtrTy); 772 } 773 Params.push_back(wasm::ValType::I64); 774 Params.push_back(wasm::ValType::I64); 775 Params.push_back(wasm::ValType::I64); 776 Params.push_back(wasm::ValType::I64); 777 break; 778 case i64_i64_func_i64_i64_i64_i64_iPTR: 779 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 780 Rets.push_back(wasm::ValType::I64); 781 Rets.push_back(wasm::ValType::I64); 782 } else { 783 Params.push_back(PtrTy); 784 } 785 Params.push_back(wasm::ValType::I64); 786 Params.push_back(wasm::ValType::I64); 787 Params.push_back(wasm::ValType::I64); 788 Params.push_back(wasm::ValType::I64); 789 Params.push_back(PtrTy); 790 break; 791 case i64_i64_i64_i64_func_i64_i64_i64_i64: 792 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 793 Rets.push_back(wasm::ValType::I64); 794 Rets.push_back(wasm::ValType::I64); 795 Rets.push_back(wasm::ValType::I64); 796 Rets.push_back(wasm::ValType::I64); 797 } else { 798 Params.push_back(PtrTy); 799 } 800 Params.push_back(wasm::ValType::I64); 801 Params.push_back(wasm::ValType::I64); 802 Params.push_back(wasm::ValType::I64); 803 Params.push_back(wasm::ValType::I64); 804 break; 805 case i64_i64_func_i64_i64_i32: 806 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 807 Rets.push_back(wasm::ValType::I64); 808 Rets.push_back(wasm::ValType::I64); 809 } else { 810 Params.push_back(PtrTy); 811 } 812 Params.push_back(wasm::ValType::I64); 813 Params.push_back(wasm::ValType::I64); 814 Params.push_back(wasm::ValType::I32); 815 break; 816 case iPTR_func_i32: 817 Rets.push_back(PtrTy); 818 Params.push_back(wasm::ValType::I32); 819 break; 820 case iPTR_func_iPTR_i32_iPTR: 821 Rets.push_back(PtrTy); 822 Params.push_back(PtrTy); 823 Params.push_back(wasm::ValType::I32); 824 Params.push_back(PtrTy); 825 break; 826 case iPTR_func_iPTR_iPTR_iPTR: 827 Rets.push_back(PtrTy); 828 Params.push_back(PtrTy); 829 Params.push_back(PtrTy); 830 Params.push_back(PtrTy); 831 break; 832 case f32_func_f32_f32_f32: 833 Rets.push_back(wasm::ValType::F32); 834 Params.push_back(wasm::ValType::F32); 835 Params.push_back(wasm::ValType::F32); 836 Params.push_back(wasm::ValType::F32); 837 break; 838 case f64_func_f64_f64_f64: 839 Rets.push_back(wasm::ValType::F64); 840 Params.push_back(wasm::ValType::F64); 841 Params.push_back(wasm::ValType::F64); 842 Params.push_back(wasm::ValType::F64); 843 break; 844 case func_i64_i64_iPTR_iPTR: 845 Params.push_back(wasm::ValType::I64); 846 Params.push_back(wasm::ValType::I64); 847 Params.push_back(PtrTy); 848 Params.push_back(PtrTy); 849 break; 850 case i32_func_i64_i64: 851 Rets.push_back(wasm::ValType::I32); 852 Params.push_back(wasm::ValType::I64); 853 Params.push_back(wasm::ValType::I64); 854 break; 855 case i32_func_i64_i64_i64_i64: 856 Rets.push_back(wasm::ValType::I32); 857 Params.push_back(wasm::ValType::I64); 858 Params.push_back(wasm::ValType::I64); 859 Params.push_back(wasm::ValType::I64); 860 Params.push_back(wasm::ValType::I64); 861 break; 862 case iPTR_func_f32: 863 Rets.push_back(PtrTy); 864 Params.push_back(wasm::ValType::F32); 865 break; 866 case iPTR_func_f64: 867 Rets.push_back(PtrTy); 868 Params.push_back(wasm::ValType::F64); 869 break; 870 case iPTR_func_i64_i64: 871 Rets.push_back(PtrTy); 872 Params.push_back(wasm::ValType::I64); 873 Params.push_back(wasm::ValType::I64); 874 break; 875 case i64_i64_func_i64_i64_i64_i64_i64_i64: 876 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 877 Rets.push_back(wasm::ValType::I64); 878 Rets.push_back(wasm::ValType::I64); 879 } else { 880 Params.push_back(PtrTy); 881 } 882 Params.push_back(wasm::ValType::I64); 883 Params.push_back(wasm::ValType::I64); 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 break; 889 case i64_i64_func_i32: 890 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 891 Rets.push_back(wasm::ValType::I64); 892 Rets.push_back(wasm::ValType::I64); 893 } else { 894 Params.push_back(PtrTy); 895 } 896 Params.push_back(wasm::ValType::I32); 897 break; 898 case i64_i64_func_i64: 899 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) { 900 Rets.push_back(wasm::ValType::I64); 901 Rets.push_back(wasm::ValType::I64); 902 } else { 903 Params.push_back(PtrTy); 904 } 905 Params.push_back(wasm::ValType::I64); 906 break; 907 case unsupported: 908 llvm_unreachable("unsupported runtime library signature"); 909 } 910 } 911 912 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unused 913 // other than here, just roll its logic into this version. 914 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget, 915 StringRef Name, 916 SmallVectorImpl<wasm::ValType> &Rets, 917 SmallVectorImpl<wasm::ValType> &Params) { 918 static StaticLibcallNameMap LibcallNameMap; 919 auto &Map = LibcallNameMap.Map; 920 auto Val = Map.find(Name); 921 #ifndef NDEBUG 922 if (Val == Map.end()) { 923 auto Message = 924 std::string("unexpected runtime library name: ") + std::string(Name); 925 llvm_unreachable(Message.c_str()); 926 } 927 #endif 928 return getLibcallSignature(Subtarget, Val->second, Rets, Params); 929 } 930