1 //===-- AMDGPULibFunc.cpp -------------------------------------------------===// 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 // This file contains utility functions to work with Itanium mangled names 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "AMDGPU.h" 14 #include "AMDGPULibFunc.h" 15 #include <llvm/ADT/SmallString.h> 16 #include <llvm/ADT/SmallVector.h> 17 #include <llvm/ADT/StringSwitch.h> 18 #include "llvm/IR/Attributes.h" 19 #include "llvm/IR/DerivedTypes.h" 20 #include "llvm/IR/Function.h" 21 #include "llvm/IR/Module.h" 22 #include "llvm/IR/ValueSymbolTable.h" 23 #include <llvm/Support/raw_ostream.h> 24 #include <string> 25 26 using namespace llvm; 27 28 namespace { 29 30 enum EManglingParam { 31 E_NONE, 32 EX_EVENT, 33 EX_FLOAT4, 34 EX_INTV4, 35 EX_RESERVEDID, 36 EX_SAMPLER, 37 EX_SIZET, 38 EX_UINT, 39 EX_UINTV4, 40 E_ANY, 41 E_CONSTPTR_ANY, 42 E_CONSTPTR_SWAPGL, 43 E_COPY, 44 E_IMAGECOORDS, 45 E_POINTEE, 46 E_SETBASE_I32, 47 E_SETBASE_U32, 48 E_MAKEBASE_UNS, 49 E_V16_OF_POINTEE, 50 E_V2_OF_POINTEE, 51 E_V3_OF_POINTEE, 52 E_V4_OF_POINTEE, 53 E_V8_OF_POINTEE, 54 E_VLTLPTR_ANY, 55 }; 56 57 struct ManglingRule { 58 StringRef const Name; 59 unsigned char Lead[2]; 60 unsigned char Param[5]; 61 62 int maxLeadIndex() const { return (std::max)(Lead[0], Lead[1]); } 63 int getNumLeads() const { return (Lead[0] ? 1 : 0) + (Lead[1] ? 1 : 0); } 64 65 unsigned getNumArgs() const; 66 }; 67 68 // Information about library functions with unmangled names. 69 class UnmangledFuncInfo { 70 StringRef const Name; 71 unsigned NumArgs; 72 73 // Table for all lib functions with unmangled names. 74 static const UnmangledFuncInfo Table[]; 75 76 // Number of entries in Table. 77 static const unsigned TableSize; 78 79 // Map function name to index. 80 class NameMap : public StringMap<unsigned> { 81 public: 82 NameMap() { 83 for (unsigned I = 0; I != TableSize; ++I) 84 (*this)[Table[I].Name] = I; 85 } 86 }; 87 friend class NameMap; 88 static NameMap Map; 89 90 public: 91 using ID = AMDGPULibFunc::EFuncId; 92 UnmangledFuncInfo(StringRef _Name, unsigned _NumArgs) 93 : Name(_Name), NumArgs(_NumArgs) {} 94 // Get index to Table by function name. 95 static bool lookup(StringRef Name, ID &Id); 96 static unsigned toIndex(ID Id) { 97 assert(static_cast<unsigned>(Id) > 98 static_cast<unsigned>(AMDGPULibFunc::EI_LAST_MANGLED) && 99 "Invalid unmangled library function"); 100 return static_cast<unsigned>(Id) - 1 - 101 static_cast<unsigned>(AMDGPULibFunc::EI_LAST_MANGLED); 102 } 103 static ID toFuncId(unsigned Index) { 104 assert(Index < TableSize && "Invalid unmangled library function"); 105 return static_cast<ID>( 106 Index + 1 + static_cast<unsigned>(AMDGPULibFunc::EI_LAST_MANGLED)); 107 } 108 static unsigned getNumArgs(ID Id) { return Table[toIndex(Id)].NumArgs; } 109 static StringRef getName(ID Id) { return Table[toIndex(Id)].Name; } 110 }; 111 112 unsigned ManglingRule::getNumArgs() const { 113 unsigned I=0; 114 while (I < (sizeof Param/sizeof Param[0]) && Param[I]) ++I; 115 return I; 116 } 117 118 // This table describes function formal argument type rules. The order of rules 119 // corresponds to the EFuncId enum at AMDGPULibFunc.h 120 // 121 // "<func name>", { <leads> }, { <param rules> } 122 // where: 123 // <leads> - list of integers that are one-based indexes of formal argument 124 // used to mangle a function name. Other argument types are derived from types 125 // of these 'leads'. The order of integers in this list correspond to the 126 // order in which these arguments are mangled in the EDG mangling scheme. The 127 // same order should be preserved for arguments in the AMDGPULibFunc structure 128 // when it is used for mangling. For example: 129 // { "vstorea_half", {3,1}, {E_ANY,EX_SIZET,E_ANY}}, 130 // will be mangled in EDG scheme as vstorea_half_<3dparam>_<1stparam> 131 // When mangling from code use: 132 // AMDGPULibFunc insc; 133 // insc.param[0] = ... // describe 3rd parameter 134 // insc.param[1] = ... // describe 1rd parameter 135 // 136 // <param rules> - list of rules used to derive all of the function formal 137 // argument types. EX_ prefixed are simple types, other derived from the 138 // latest 'lead' argument type in the order of encoding from first to last. 139 // E_ANY - use prev lead type, E_CONSTPTR_ANY - make const pointer out of 140 // prev lead type, etc. see ParamIterator::getNextParam() for details. 141 142 static const ManglingRule manglingRules[] = { 143 { StringRef(), {0}, {0} }, 144 { "abs" , {1}, {E_ANY}}, 145 { "abs_diff" , {1}, {E_ANY,E_COPY}}, 146 { "acos" , {1}, {E_ANY}}, 147 { "acosh" , {1}, {E_ANY}}, 148 { "acospi" , {1}, {E_ANY}}, 149 { "add_sat" , {1}, {E_ANY,E_COPY}}, 150 { "all" , {1}, {E_ANY}}, 151 { "any" , {1}, {E_ANY}}, 152 { "asin" , {1}, {E_ANY}}, 153 { "asinh" , {1}, {E_ANY}}, 154 { "asinpi" , {1}, {E_ANY}}, 155 { "async_work_group_copy" , {1}, {E_ANY,E_CONSTPTR_SWAPGL,EX_SIZET,EX_EVENT}}, 156 { "async_work_group_strided_copy" , {1}, {E_ANY,E_CONSTPTR_SWAPGL,EX_SIZET,EX_SIZET,EX_EVENT}}, 157 { "atan" , {1}, {E_ANY}}, 158 { "atan2" , {1}, {E_ANY,E_COPY}}, 159 { "atan2pi" , {1}, {E_ANY,E_COPY}}, 160 { "atanh" , {1}, {E_ANY}}, 161 { "atanpi" , {1}, {E_ANY}}, 162 { "atomic_add" , {1}, {E_VLTLPTR_ANY,E_POINTEE}}, 163 { "atomic_and" , {1}, {E_VLTLPTR_ANY,E_POINTEE}}, 164 { "atomic_cmpxchg" , {1}, {E_VLTLPTR_ANY,E_POINTEE,E_POINTEE}}, 165 { "atomic_dec" , {1}, {E_VLTLPTR_ANY}}, 166 { "atomic_inc" , {1}, {E_VLTLPTR_ANY}}, 167 { "atomic_max" , {1}, {E_VLTLPTR_ANY,E_POINTEE}}, 168 { "atomic_min" , {1}, {E_VLTLPTR_ANY,E_POINTEE}}, 169 { "atomic_or" , {1}, {E_VLTLPTR_ANY,E_POINTEE}}, 170 { "atomic_sub" , {1}, {E_VLTLPTR_ANY,E_POINTEE}}, 171 { "atomic_xchg" , {1}, {E_VLTLPTR_ANY,E_POINTEE}}, 172 { "atomic_xor" , {1}, {E_VLTLPTR_ANY,E_POINTEE}}, 173 { "bitselect" , {1}, {E_ANY,E_COPY,E_COPY}}, 174 { "cbrt" , {1}, {E_ANY}}, 175 { "ceil" , {1}, {E_ANY}}, 176 { "clamp" , {1}, {E_ANY,E_COPY,E_COPY}}, 177 { "clz" , {1}, {E_ANY}}, 178 { "commit_read_pipe" , {1}, {E_ANY,EX_RESERVEDID}}, 179 { "commit_write_pipe" , {1}, {E_ANY,EX_RESERVEDID}}, 180 { "copysign" , {1}, {E_ANY,E_COPY}}, 181 { "cos" , {1}, {E_ANY}}, 182 { "cosh" , {1}, {E_ANY}}, 183 { "cospi" , {1}, {E_ANY}}, 184 { "cross" , {1}, {E_ANY,E_COPY}}, 185 { "ctz" , {1}, {E_ANY}}, 186 { "degrees" , {1}, {E_ANY}}, 187 { "distance" , {1}, {E_ANY,E_COPY}}, 188 { "divide" , {1}, {E_ANY,E_COPY}}, 189 { "dot" , {1}, {E_ANY,E_COPY}}, 190 { "erf" , {1}, {E_ANY}}, 191 { "erfc" , {1}, {E_ANY}}, 192 { "exp" , {1}, {E_ANY}}, 193 { "exp10" , {1}, {E_ANY}}, 194 { "exp2" , {1}, {E_ANY}}, 195 { "expm1" , {1}, {E_ANY}}, 196 { "fabs" , {1}, {E_ANY}}, 197 { "fast_distance" , {1}, {E_ANY,E_COPY}}, 198 { "fast_length" , {1}, {E_ANY}}, 199 { "fast_normalize" , {1}, {E_ANY}}, 200 { "fdim" , {1}, {E_ANY,E_COPY}}, 201 { "floor" , {1}, {E_ANY}}, 202 { "fma" , {1}, {E_ANY,E_COPY,E_COPY}}, 203 { "fmax" , {1}, {E_ANY,E_COPY}}, 204 { "fmin" , {1}, {E_ANY,E_COPY}}, 205 { "fmod" , {1}, {E_ANY,E_COPY}}, 206 { "fract" , {2}, {E_POINTEE,E_ANY}}, 207 { "frexp" , {1,2}, {E_ANY,E_ANY}}, 208 { "get_image_array_size" , {1}, {E_ANY}}, 209 { "get_image_channel_data_type" , {1}, {E_ANY}}, 210 { "get_image_channel_order" , {1}, {E_ANY}}, 211 { "get_image_dim" , {1}, {E_ANY}}, 212 { "get_image_height" , {1}, {E_ANY}}, 213 { "get_image_width" , {1}, {E_ANY}}, 214 { "get_pipe_max_packets" , {1}, {E_ANY}}, 215 { "get_pipe_num_packets" , {1}, {E_ANY}}, 216 { "hadd" , {1}, {E_ANY,E_COPY}}, 217 { "hypot" , {1}, {E_ANY,E_COPY}}, 218 { "ilogb" , {1}, {E_ANY}}, 219 { "isequal" , {1}, {E_ANY,E_COPY}}, 220 { "isfinite" , {1}, {E_ANY}}, 221 { "isgreater" , {1}, {E_ANY,E_COPY}}, 222 { "isgreaterequal" , {1}, {E_ANY,E_COPY}}, 223 { "isinf" , {1}, {E_ANY}}, 224 { "isless" , {1}, {E_ANY,E_COPY}}, 225 { "islessequal" , {1}, {E_ANY,E_COPY}}, 226 { "islessgreater" , {1}, {E_ANY,E_COPY}}, 227 { "isnan" , {1}, {E_ANY}}, 228 { "isnormal" , {1}, {E_ANY}}, 229 { "isnotequal" , {1}, {E_ANY,E_COPY}}, 230 { "isordered" , {1}, {E_ANY,E_COPY}}, 231 { "isunordered" , {1}, {E_ANY,E_COPY}}, 232 { "ldexp" , {1}, {E_ANY,E_SETBASE_I32}}, 233 { "length" , {1}, {E_ANY}}, 234 { "lgamma" , {1}, {E_ANY}}, 235 { "lgamma_r" , {1,2}, {E_ANY,E_ANY}}, 236 { "log" , {1}, {E_ANY}}, 237 { "log10" , {1}, {E_ANY}}, 238 { "log1p" , {1}, {E_ANY}}, 239 { "log2" , {1}, {E_ANY}}, 240 { "logb" , {1}, {E_ANY}}, 241 { "mad" , {1}, {E_ANY,E_COPY,E_COPY}}, 242 { "mad24" , {1}, {E_ANY,E_COPY,E_COPY}}, 243 { "mad_hi" , {1}, {E_ANY,E_COPY,E_COPY}}, 244 { "mad_sat" , {1}, {E_ANY,E_COPY,E_COPY}}, 245 { "max" , {1}, {E_ANY,E_COPY}}, 246 { "maxmag" , {1}, {E_ANY,E_COPY}}, 247 { "min" , {1}, {E_ANY,E_COPY}}, 248 { "minmag" , {1}, {E_ANY,E_COPY}}, 249 { "mix" , {1}, {E_ANY,E_COPY,E_COPY}}, 250 { "modf" , {2}, {E_POINTEE,E_ANY}}, 251 { "mul24" , {1}, {E_ANY,E_COPY}}, 252 { "mul_hi" , {1}, {E_ANY,E_COPY}}, 253 { "nan" , {1}, {E_ANY}}, 254 { "nextafter" , {1}, {E_ANY,E_COPY}}, 255 { "normalize" , {1}, {E_ANY}}, 256 { "popcount" , {1}, {E_ANY}}, 257 { "pow" , {1}, {E_ANY,E_COPY}}, 258 { "pown" , {1}, {E_ANY,E_SETBASE_I32}}, 259 { "powr" , {1}, {E_ANY,E_COPY}}, 260 { "prefetch" , {1}, {E_CONSTPTR_ANY,EX_SIZET}}, 261 { "radians" , {1}, {E_ANY}}, 262 { "recip" , {1}, {E_ANY}}, 263 { "remainder" , {1}, {E_ANY,E_COPY}}, 264 { "remquo" , {1,3}, {E_ANY,E_COPY,E_ANY}}, 265 { "reserve_read_pipe" , {1}, {E_ANY,EX_UINT}}, 266 { "reserve_write_pipe" , {1}, {E_ANY,EX_UINT}}, 267 { "rhadd" , {1}, {E_ANY,E_COPY}}, 268 { "rint" , {1}, {E_ANY}}, 269 { "rootn" , {1}, {E_ANY,E_SETBASE_I32}}, 270 { "rotate" , {1}, {E_ANY,E_COPY}}, 271 { "round" , {1}, {E_ANY}}, 272 { "rsqrt" , {1}, {E_ANY}}, 273 { "select" , {1,3}, {E_ANY,E_COPY,E_ANY}}, 274 { "shuffle" , {1,2}, {E_ANY,E_ANY}}, 275 { "shuffle2" , {1,3}, {E_ANY,E_COPY,E_ANY}}, 276 { "sign" , {1}, {E_ANY}}, 277 { "signbit" , {1}, {E_ANY}}, 278 { "sin" , {1}, {E_ANY}}, 279 { "sincos" , {2}, {E_POINTEE,E_ANY}}, 280 { "sinh" , {1}, {E_ANY}}, 281 { "sinpi" , {1}, {E_ANY}}, 282 { "smoothstep" , {1}, {E_ANY,E_COPY,E_COPY}}, 283 { "sqrt" , {1}, {E_ANY}}, 284 { "step" , {1}, {E_ANY,E_COPY}}, 285 { "sub_group_broadcast" , {1}, {E_ANY,EX_UINT}}, 286 { "sub_group_commit_read_pipe" , {1}, {E_ANY,EX_RESERVEDID}}, 287 { "sub_group_commit_write_pipe" , {1}, {E_ANY,EX_RESERVEDID}}, 288 { "sub_group_reduce_add" , {1}, {E_ANY}}, 289 { "sub_group_reduce_max" , {1}, {E_ANY}}, 290 { "sub_group_reduce_min" , {1}, {E_ANY}}, 291 { "sub_group_reserve_read_pipe" , {1}, {E_ANY,EX_UINT}}, 292 { "sub_group_reserve_write_pipe" , {1}, {E_ANY,EX_UINT}}, 293 { "sub_group_scan_exclusive_add" , {1}, {E_ANY}}, 294 { "sub_group_scan_exclusive_max" , {1}, {E_ANY}}, 295 { "sub_group_scan_exclusive_min" , {1}, {E_ANY}}, 296 { "sub_group_scan_inclusive_add" , {1}, {E_ANY}}, 297 { "sub_group_scan_inclusive_max" , {1}, {E_ANY}}, 298 { "sub_group_scan_inclusive_min" , {1}, {E_ANY}}, 299 { "sub_sat" , {1}, {E_ANY,E_COPY}}, 300 { "tan" , {1}, {E_ANY}}, 301 { "tanh" , {1}, {E_ANY}}, 302 { "tanpi" , {1}, {E_ANY}}, 303 { "tgamma" , {1}, {E_ANY}}, 304 { "trunc" , {1}, {E_ANY}}, 305 { "upsample" , {1}, {E_ANY,E_MAKEBASE_UNS}}, 306 { "vec_step" , {1}, {E_ANY}}, 307 { "vstore" , {3}, {E_POINTEE,EX_SIZET,E_ANY}}, 308 { "vstore16" , {3}, {E_V16_OF_POINTEE,EX_SIZET,E_ANY}}, 309 { "vstore2" , {3}, {E_V2_OF_POINTEE,EX_SIZET,E_ANY}}, 310 { "vstore3" , {3}, {E_V3_OF_POINTEE,EX_SIZET,E_ANY}}, 311 { "vstore4" , {3}, {E_V4_OF_POINTEE,EX_SIZET,E_ANY}}, 312 { "vstore8" , {3}, {E_V8_OF_POINTEE,EX_SIZET,E_ANY}}, 313 { "work_group_commit_read_pipe" , {1}, {E_ANY,EX_RESERVEDID}}, 314 { "work_group_commit_write_pipe" , {1}, {E_ANY,EX_RESERVEDID}}, 315 { "work_group_reduce_add" , {1}, {E_ANY}}, 316 { "work_group_reduce_max" , {1}, {E_ANY}}, 317 { "work_group_reduce_min" , {1}, {E_ANY}}, 318 { "work_group_reserve_read_pipe" , {1}, {E_ANY,EX_UINT}}, 319 { "work_group_reserve_write_pipe" , {1}, {E_ANY,EX_UINT}}, 320 { "work_group_scan_exclusive_add" , {1}, {E_ANY}}, 321 { "work_group_scan_exclusive_max" , {1}, {E_ANY}}, 322 { "work_group_scan_exclusive_min" , {1}, {E_ANY}}, 323 { "work_group_scan_inclusive_add" , {1}, {E_ANY}}, 324 { "work_group_scan_inclusive_max" , {1}, {E_ANY}}, 325 { "work_group_scan_inclusive_min" , {1}, {E_ANY}}, 326 { "write_imagef" , {1}, {E_ANY,E_IMAGECOORDS,EX_FLOAT4}}, 327 { "write_imagei" , {1}, {E_ANY,E_IMAGECOORDS,EX_INTV4}}, 328 { "write_imageui" , {1}, {E_ANY,E_IMAGECOORDS,EX_UINTV4}}, 329 { "ncos" , {1}, {E_ANY} }, 330 { "nexp2" , {1}, {E_ANY} }, 331 { "nfma" , {1}, {E_ANY, E_COPY, E_COPY} }, 332 { "nlog2" , {1}, {E_ANY} }, 333 { "nrcp" , {1}, {E_ANY} }, 334 { "nrsqrt" , {1}, {E_ANY} }, 335 { "nsin" , {1}, {E_ANY} }, 336 { "nsqrt" , {1}, {E_ANY} }, 337 { "ftz" , {1}, {E_ANY} }, 338 { "fldexp" , {1}, {E_ANY, EX_UINT} }, 339 { "class" , {1}, {E_ANY, EX_UINT} }, 340 { "rcbrt" , {1}, {E_ANY} }, 341 }; 342 343 // Library functions with unmangled name. 344 const UnmangledFuncInfo UnmangledFuncInfo::Table[] = { 345 {"__read_pipe_2", 4}, 346 {"__read_pipe_4", 6}, 347 {"__write_pipe_2", 4}, 348 {"__write_pipe_4", 6}, 349 }; 350 351 const unsigned UnmangledFuncInfo::TableSize = 352 sizeof(UnmangledFuncInfo::Table) / sizeof(UnmangledFuncInfo::Table[0]); 353 354 UnmangledFuncInfo::NameMap UnmangledFuncInfo::Map; 355 356 static const struct ManglingRulesMap : public StringMap<int> { 357 ManglingRulesMap() 358 : StringMap<int>(sizeof(manglingRules)/sizeof(manglingRules[0])) { 359 int Id = 0; 360 for (auto Rule : manglingRules) 361 insert({ Rule.Name, Id++ }); 362 } 363 } manglingRulesMap; 364 365 static AMDGPULibFunc::Param getRetType(AMDGPULibFunc::EFuncId id, 366 const AMDGPULibFunc::Param (&Leads)[2]) { 367 AMDGPULibFunc::Param Res = Leads[0]; 368 // TBD - This switch may require to be extended for other intriniscs 369 switch (id) { 370 case AMDGPULibFunc::EI_SINCOS: 371 Res.PtrKind = AMDGPULibFunc::BYVALUE; 372 break; 373 default: 374 break; 375 } 376 return Res; 377 } 378 379 class ParamIterator { 380 const AMDGPULibFunc::Param (&Leads)[2]; 381 const ManglingRule& Rule; 382 int Index; 383 public: 384 ParamIterator(const AMDGPULibFunc::Param (&leads)[2], 385 const ManglingRule& rule) 386 : Leads(leads), Rule(rule), Index(0) {} 387 388 AMDGPULibFunc::Param getNextParam(); 389 }; 390 391 AMDGPULibFunc::Param ParamIterator::getNextParam() { 392 AMDGPULibFunc::Param P; 393 if (Index >= int(sizeof Rule.Param/sizeof Rule.Param[0])) return P; 394 395 const char R = Rule.Param[Index]; 396 switch (R) { 397 case E_NONE: break; 398 case EX_UINT: 399 P.ArgType = AMDGPULibFunc::U32; break; 400 case EX_INTV4: 401 P.ArgType = AMDGPULibFunc::I32; P.VectorSize = 4; break; 402 case EX_UINTV4: 403 P.ArgType = AMDGPULibFunc::U32; P.VectorSize = 4; break; 404 case EX_FLOAT4: 405 P.ArgType = AMDGPULibFunc::F32; P.VectorSize = 4; break; 406 case EX_SIZET: 407 P.ArgType = AMDGPULibFunc::U64; break; 408 case EX_EVENT: 409 P.ArgType = AMDGPULibFunc::EVENT; break; 410 case EX_SAMPLER: 411 P.ArgType = AMDGPULibFunc::SAMPLER; break; 412 case EX_RESERVEDID: break; // TBD 413 default: 414 if (Index == (Rule.Lead[1] - 1)) P = Leads[1]; 415 else P = Leads[0]; 416 417 switch (R) { 418 case E_ANY: 419 case E_COPY: break; 420 421 case E_POINTEE: 422 P.PtrKind = AMDGPULibFunc::BYVALUE; break; 423 case E_V2_OF_POINTEE: 424 P.VectorSize = 2; P.PtrKind = AMDGPULibFunc::BYVALUE; break; 425 case E_V3_OF_POINTEE: 426 P.VectorSize = 3; P.PtrKind = AMDGPULibFunc::BYVALUE; break; 427 case E_V4_OF_POINTEE: 428 P.VectorSize = 4; P.PtrKind = AMDGPULibFunc::BYVALUE; break; 429 case E_V8_OF_POINTEE: 430 P.VectorSize = 8; P.PtrKind = AMDGPULibFunc::BYVALUE; break; 431 case E_V16_OF_POINTEE: 432 P.VectorSize = 16; P.PtrKind = AMDGPULibFunc::BYVALUE; break; 433 case E_CONSTPTR_ANY: 434 P.PtrKind |= AMDGPULibFunc::CONST; break; 435 case E_VLTLPTR_ANY: 436 P.PtrKind |= AMDGPULibFunc::VOLATILE; break; 437 case E_SETBASE_I32: 438 P.ArgType = AMDGPULibFunc::I32; break; 439 case E_SETBASE_U32: 440 P.ArgType = AMDGPULibFunc::U32; break; 441 442 case E_MAKEBASE_UNS: 443 P.ArgType &= ~AMDGPULibFunc::BASE_TYPE_MASK; 444 P.ArgType |= AMDGPULibFunc::UINT; 445 break; 446 447 case E_IMAGECOORDS: 448 switch (P.ArgType) { 449 case AMDGPULibFunc::IMG1DA: P.VectorSize = 2; break; 450 case AMDGPULibFunc::IMG1DB: P.VectorSize = 1; break; 451 case AMDGPULibFunc::IMG2DA: P.VectorSize = 4; break; 452 case AMDGPULibFunc::IMG1D: P.VectorSize = 1; break; 453 case AMDGPULibFunc::IMG2D: P.VectorSize = 2; break; 454 case AMDGPULibFunc::IMG3D: P.VectorSize = 4; break; 455 } 456 P.PtrKind = AMDGPULibFunc::BYVALUE; 457 P.ArgType = AMDGPULibFunc::I32; 458 break; 459 460 case E_CONSTPTR_SWAPGL: { 461 unsigned AS = AMDGPULibFunc::getAddrSpaceFromEPtrKind(P.PtrKind); 462 switch (AS) { 463 case AMDGPUAS::GLOBAL_ADDRESS: AS = AMDGPUAS::LOCAL_ADDRESS; break; 464 case AMDGPUAS::LOCAL_ADDRESS: AS = AMDGPUAS::GLOBAL_ADDRESS; break; 465 } 466 P.PtrKind = AMDGPULibFunc::getEPtrKindFromAddrSpace(AS); 467 P.PtrKind |= AMDGPULibFunc::CONST; 468 break; 469 } 470 471 default: llvm_unreachable("Unhandeled param rule"); 472 } 473 } 474 ++Index; 475 return P; 476 } 477 478 inline static void drop_front(StringRef& str, size_t n = 1) { 479 str = str.drop_front(n); 480 } 481 482 static bool eatTerm(StringRef& mangledName, const char c) { 483 if (mangledName.front() == c) { 484 drop_front(mangledName); 485 return true; 486 } 487 return false; 488 } 489 490 template <size_t N> 491 static bool eatTerm(StringRef& mangledName, const char (&str)[N]) { 492 if (mangledName.startswith(StringRef(str, N-1))) { 493 drop_front(mangledName, N-1); 494 return true; 495 } 496 return false; 497 } 498 499 static inline bool isDigit(char c) { return c >= '0' && c <= '9'; } 500 501 static int eatNumber(StringRef& s) { 502 size_t const savedSize = s.size(); 503 int n = 0; 504 while (!s.empty() && isDigit(s.front())) { 505 n = n*10 + s.front() - '0'; 506 drop_front(s); 507 } 508 return s.size() < savedSize ? n : -1; 509 } 510 511 static StringRef eatLengthPrefixedName(StringRef& mangledName) { 512 int const Len = eatNumber(mangledName); 513 if (Len <= 0 || static_cast<size_t>(Len) > mangledName.size()) 514 return StringRef(); 515 StringRef Res = mangledName.substr(0, Len); 516 drop_front(mangledName, Len); 517 return Res; 518 } 519 520 } // end anonymous namespace 521 522 AMDGPUMangledLibFunc::AMDGPUMangledLibFunc() { 523 FuncId = EI_NONE; 524 FKind = NOPFX; 525 Leads[0].reset(); 526 Leads[1].reset(); 527 Name.clear(); 528 } 529 530 AMDGPUUnmangledLibFunc::AMDGPUUnmangledLibFunc() { 531 FuncId = EI_NONE; 532 FuncTy = nullptr; 533 } 534 535 AMDGPUMangledLibFunc::AMDGPUMangledLibFunc( 536 EFuncId id, const AMDGPUMangledLibFunc ©From) { 537 FuncId = id; 538 FKind = copyFrom.FKind; 539 Leads[0] = copyFrom.Leads[0]; 540 Leads[1] = copyFrom.Leads[1]; 541 } 542 543 /////////////////////////////////////////////////////////////////////////////// 544 // Demangling 545 546 static int parseVecSize(StringRef& mangledName) { 547 size_t const Len = eatNumber(mangledName); 548 switch (Len) { 549 case 2: case 3: case 4: case 8: case 16: 550 return Len; 551 default: 552 break; 553 } 554 return 1; 555 } 556 557 static AMDGPULibFunc::ENamePrefix parseNamePrefix(StringRef& mangledName) { 558 std::pair<StringRef, StringRef> const P = mangledName.split('_'); 559 AMDGPULibFunc::ENamePrefix Pfx = 560 StringSwitch<AMDGPULibFunc::ENamePrefix>(P.first) 561 .Case("native", AMDGPULibFunc::NATIVE) 562 .Case("half" , AMDGPULibFunc::HALF) 563 .Default(AMDGPULibFunc::NOPFX); 564 565 if (Pfx != AMDGPULibFunc::NOPFX) 566 mangledName = P.second; 567 568 return Pfx; 569 } 570 571 bool AMDGPUMangledLibFunc::parseUnmangledName(StringRef FullName) { 572 FuncId = static_cast<EFuncId>(manglingRulesMap.lookup(FullName)); 573 return FuncId != EI_NONE; 574 } 575 576 /////////////////////////////////////////////////////////////////////////////// 577 // Itanium Demangling 578 579 namespace { 580 struct ItaniumParamParser { 581 AMDGPULibFunc::Param Prev; 582 bool parseItaniumParam(StringRef& param, AMDGPULibFunc::Param &res); 583 }; 584 } // namespace 585 586 bool ItaniumParamParser::parseItaniumParam(StringRef& param, 587 AMDGPULibFunc::Param &res) { 588 res.reset(); 589 if (param.empty()) return false; 590 591 // parse pointer prefix 592 if (eatTerm(param, 'P')) { 593 if (eatTerm(param, 'K')) res.PtrKind |= AMDGPULibFunc::CONST; 594 if (eatTerm(param, 'V')) res.PtrKind |= AMDGPULibFunc::VOLATILE; 595 unsigned AS; 596 if (!eatTerm(param, "U3AS")) { 597 AS = 0; 598 } else { 599 AS = param.front() - '0'; 600 drop_front(param, 1); 601 } 602 res.PtrKind |= AMDGPULibFuncBase::getEPtrKindFromAddrSpace(AS); 603 } else { 604 res.PtrKind = AMDGPULibFunc::BYVALUE; 605 } 606 607 // parse vector size 608 if (eatTerm(param,"Dv")) { 609 res.VectorSize = parseVecSize(param); 610 if (res.VectorSize==1 || !eatTerm(param, '_')) return false; 611 } 612 613 // parse type 614 char const TC = param.front(); 615 if (::isDigit(TC)) { 616 res.ArgType = StringSwitch<AMDGPULibFunc::EType> 617 (eatLengthPrefixedName(param)) 618 .Case("ocl_image1darray" , AMDGPULibFunc::IMG1DA) 619 .Case("ocl_image1dbuffer", AMDGPULibFunc::IMG1DB) 620 .Case("ocl_image2darray" , AMDGPULibFunc::IMG2DA) 621 .Case("ocl_image1d" , AMDGPULibFunc::IMG1D) 622 .Case("ocl_image2d" , AMDGPULibFunc::IMG2D) 623 .Case("ocl_image3d" , AMDGPULibFunc::IMG3D) 624 .Case("ocl_event" , AMDGPULibFunc::DUMMY) 625 .Case("ocl_sampler" , AMDGPULibFunc::DUMMY) 626 .Default(AMDGPULibFunc::DUMMY); 627 } else { 628 drop_front(param); 629 switch (TC) { 630 case 'h': res.ArgType = AMDGPULibFunc::U8; break; 631 case 't': res.ArgType = AMDGPULibFunc::U16; break; 632 case 'j': res.ArgType = AMDGPULibFunc::U32; break; 633 case 'm': res.ArgType = AMDGPULibFunc::U64; break; 634 case 'c': res.ArgType = AMDGPULibFunc::I8; break; 635 case 's': res.ArgType = AMDGPULibFunc::I16; break; 636 case 'i': res.ArgType = AMDGPULibFunc::I32; break; 637 case 'l': res.ArgType = AMDGPULibFunc::I64; break; 638 case 'f': res.ArgType = AMDGPULibFunc::F32; break; 639 case 'd': res.ArgType = AMDGPULibFunc::F64; break; 640 case 'D': if (!eatTerm(param, 'h')) return false; 641 res.ArgType = AMDGPULibFunc::F16; break; 642 case 'S': 643 if (!eatTerm(param, '_')) { 644 eatNumber(param); 645 if (!eatTerm(param, '_')) return false; 646 } 647 res.VectorSize = Prev.VectorSize; 648 res.ArgType = Prev.ArgType; 649 break; 650 default:; 651 } 652 } 653 if (res.ArgType == 0) return false; 654 Prev.VectorSize = res.VectorSize; 655 Prev.ArgType = res.ArgType; 656 return true; 657 } 658 659 bool AMDGPUMangledLibFunc::parseFuncName(StringRef &mangledName) { 660 StringRef Name = eatLengthPrefixedName(mangledName); 661 FKind = parseNamePrefix(Name); 662 if (!parseUnmangledName(Name)) 663 return false; 664 665 const ManglingRule& Rule = manglingRules[FuncId]; 666 ItaniumParamParser Parser; 667 for (int I=0; I < Rule.maxLeadIndex(); ++I) { 668 Param P; 669 if (!Parser.parseItaniumParam(mangledName, P)) 670 return false; 671 672 if ((I + 1) == Rule.Lead[0]) Leads[0] = P; 673 if ((I + 1) == Rule.Lead[1]) Leads[1] = P; 674 } 675 return true; 676 } 677 678 bool AMDGPUUnmangledLibFunc::parseFuncName(StringRef &Name) { 679 if (!UnmangledFuncInfo::lookup(Name, FuncId)) 680 return false; 681 setName(Name); 682 return true; 683 } 684 685 bool AMDGPULibFunc::parse(StringRef FuncName, AMDGPULibFunc &F) { 686 if (FuncName.empty()) { 687 F.Impl = std::unique_ptr<AMDGPULibFuncImpl>(); 688 return false; 689 } 690 691 if (eatTerm(FuncName, "_Z")) 692 F.Impl = make_unique<AMDGPUMangledLibFunc>(); 693 else 694 F.Impl = make_unique<AMDGPUUnmangledLibFunc>(); 695 if (F.Impl->parseFuncName(FuncName)) 696 return true; 697 698 F.Impl = std::unique_ptr<AMDGPULibFuncImpl>(); 699 return false; 700 } 701 702 StringRef AMDGPUMangledLibFunc::getUnmangledName(StringRef mangledName) { 703 StringRef S = mangledName; 704 if (eatTerm(S, "_Z")) 705 return eatLengthPrefixedName(S); 706 return StringRef(); 707 } 708 709 /////////////////////////////////////////////////////////////////////////////// 710 // Mangling 711 712 template <typename Stream> 713 void AMDGPUMangledLibFunc::writeName(Stream &OS) const { 714 const char *Pfx = ""; 715 switch (FKind) { 716 case NATIVE: Pfx = "native_"; break; 717 case HALF: Pfx = "half_"; break; 718 default: break; 719 } 720 if (!Name.empty()) { 721 OS << Pfx << Name; 722 } else if (FuncId != EI_NONE) { 723 OS << Pfx; 724 const StringRef& S = manglingRules[FuncId].Name; 725 OS.write(S.data(), S.size()); 726 } 727 } 728 729 std::string AMDGPUMangledLibFunc::mangle() const { return mangleNameItanium(); } 730 731 /////////////////////////////////////////////////////////////////////////////// 732 // Itanium Mangling 733 734 static const char *getItaniumTypeName(AMDGPULibFunc::EType T) { 735 switch (T) { 736 case AMDGPULibFunc::U8: return "h"; 737 case AMDGPULibFunc::U16: return "t"; 738 case AMDGPULibFunc::U32: return "j"; 739 case AMDGPULibFunc::U64: return "m"; 740 case AMDGPULibFunc::I8: return "c"; 741 case AMDGPULibFunc::I16: return "s"; 742 case AMDGPULibFunc::I32: return "i"; 743 case AMDGPULibFunc::I64: return "l"; 744 case AMDGPULibFunc::F16: return "Dh"; 745 case AMDGPULibFunc::F32: return "f"; 746 case AMDGPULibFunc::F64: return "d"; 747 case AMDGPULibFunc::IMG1DA: return "16ocl_image1darray"; 748 case AMDGPULibFunc::IMG1DB: return "17ocl_image1dbuffer"; 749 case AMDGPULibFunc::IMG2DA: return "16ocl_image2darray"; 750 case AMDGPULibFunc::IMG1D: return "11ocl_image1d"; 751 case AMDGPULibFunc::IMG2D: return "11ocl_image2d"; 752 case AMDGPULibFunc::IMG3D: return "11ocl_image3d"; 753 case AMDGPULibFunc::SAMPLER: return "11ocl_sampler"; 754 case AMDGPULibFunc::EVENT: return "9ocl_event"; 755 default: llvm_unreachable("Unhandeled param type"); 756 } 757 return nullptr; 758 } 759 760 namespace { 761 // Itanium mangling ABI says: 762 // "5.1.8. Compression 763 // ... Each non-terminal in the grammar for which <substitution> appears on the 764 // right-hand side is both a source of future substitutions and a candidate 765 // for being substituted. There are two exceptions that appear to be 766 // substitution candidates from the grammar, but are explicitly excluded: 767 // 1. <builtin-type> other than vendor extended types ..." 768 769 // For the purpose of functions the following productions make sence for the 770 // substitution: 771 // <type> ::= <builtin-type> 772 // ::= <class-enum-type> 773 // ::= <array-type> 774 // ::=<CV-qualifiers> <type> 775 // ::= P <type> # pointer-to 776 // ::= <substitution> 777 // 778 // Note that while types like images, samplers and events are by the ABI encoded 779 // using <class-enum-type> production rule they're not used for substitution 780 // because clang consider them as builtin types. 781 // 782 // DvNN_ type is GCC extension for vectors and is a subject for the substitution. 783 784 785 class ItaniumMangler { 786 SmallVector<AMDGPULibFunc::Param, 10> Str; // list of accumulated substituions 787 bool UseAddrSpace; 788 789 int findSubst(const AMDGPULibFunc::Param& P) const { 790 for(unsigned I = 0; I < Str.size(); ++I) { 791 const AMDGPULibFunc::Param& T = Str[I]; 792 if (P.PtrKind == T.PtrKind && 793 P.VectorSize == T.VectorSize && 794 P.ArgType == T.ArgType) { 795 return I; 796 } 797 } 798 return -1; 799 } 800 801 template <typename Stream> 802 bool trySubst(Stream& os, const AMDGPULibFunc::Param& p) { 803 int const subst = findSubst(p); 804 if (subst < 0) return false; 805 // Substitutions are mangled as S(XX)?_ where XX is a hexadecimal number 806 // 0 1 2 807 // S_ S0_ S1_ 808 if (subst == 0) os << "S_"; 809 else os << 'S' << (subst-1) << '_'; 810 return true; 811 } 812 813 public: 814 ItaniumMangler(bool useAddrSpace) 815 : UseAddrSpace(useAddrSpace) {} 816 817 template <typename Stream> 818 void operator()(Stream& os, AMDGPULibFunc::Param p) { 819 820 // Itanium mangling ABI 5.1.8. Compression: 821 // Logically, the substitutable components of a mangled name are considered 822 // left-to-right, components before the composite structure of which they 823 // are a part. If a component has been encountered before, it is substituted 824 // as described below. This decision is independent of whether its components 825 // have been substituted, so an implementation may optimize by considering 826 // large structures for substitution before their components. If a component 827 // has not been encountered before, its mangling is identified, and it is 828 // added to a dictionary of substitution candidates. No entity is added to 829 // the dictionary twice. 830 AMDGPULibFunc::Param Ptr; 831 832 if (p.PtrKind) { 833 if (trySubst(os, p)) return; 834 os << 'P'; 835 if (p.PtrKind & AMDGPULibFunc::CONST) os << 'K'; 836 if (p.PtrKind & AMDGPULibFunc::VOLATILE) os << 'V'; 837 unsigned AS = UseAddrSpace 838 ? AMDGPULibFuncBase::getAddrSpaceFromEPtrKind(p.PtrKind) 839 : 0; 840 if (AS != 0) os << "U3AS" << AS; 841 Ptr = p; 842 p.PtrKind = 0; 843 } 844 845 if (p.VectorSize > 1) { 846 if (trySubst(os, p)) goto exit; 847 Str.push_back(p); 848 os << "Dv" << static_cast<unsigned>(p.VectorSize) << '_'; 849 } 850 851 os << getItaniumTypeName((AMDGPULibFunc::EType)p.ArgType); 852 853 exit: 854 if (Ptr.ArgType) Str.push_back(Ptr); 855 } 856 }; 857 } // namespace 858 859 std::string AMDGPUMangledLibFunc::mangleNameItanium() const { 860 SmallString<128> Buf; 861 raw_svector_ostream S(Buf); 862 SmallString<128> NameBuf; 863 raw_svector_ostream Name(NameBuf); 864 writeName(Name); 865 const StringRef& NameStr = Name.str(); 866 S << "_Z" << static_cast<int>(NameStr.size()) << NameStr; 867 868 ItaniumMangler Mangler(true); 869 ParamIterator I(Leads, manglingRules[FuncId]); 870 Param P; 871 while ((P = I.getNextParam()).ArgType != 0) 872 Mangler(S, P); 873 return S.str(); 874 } 875 876 /////////////////////////////////////////////////////////////////////////////// 877 // Misc 878 879 static Type* getIntrinsicParamType( 880 LLVMContext& C, 881 const AMDGPULibFunc::Param& P, 882 bool useAddrSpace) { 883 Type* T = nullptr; 884 switch (P.ArgType) { 885 case AMDGPULibFunc::U8: 886 case AMDGPULibFunc::I8: T = Type::getInt8Ty(C); break; 887 case AMDGPULibFunc::U16: 888 case AMDGPULibFunc::I16: T = Type::getInt16Ty(C); break; 889 case AMDGPULibFunc::U32: 890 case AMDGPULibFunc::I32: T = Type::getInt32Ty(C); break; 891 case AMDGPULibFunc::U64: 892 case AMDGPULibFunc::I64: T = Type::getInt64Ty(C); break; 893 case AMDGPULibFunc::F16: T = Type::getHalfTy(C); break; 894 case AMDGPULibFunc::F32: T = Type::getFloatTy(C); break; 895 case AMDGPULibFunc::F64: T = Type::getDoubleTy(C); break; 896 897 case AMDGPULibFunc::IMG1DA: 898 case AMDGPULibFunc::IMG1DB: 899 case AMDGPULibFunc::IMG2DA: 900 case AMDGPULibFunc::IMG1D: 901 case AMDGPULibFunc::IMG2D: 902 case AMDGPULibFunc::IMG3D: 903 T = StructType::create(C,"ocl_image")->getPointerTo(); break; 904 case AMDGPULibFunc::SAMPLER: 905 T = StructType::create(C,"ocl_sampler")->getPointerTo(); break; 906 case AMDGPULibFunc::EVENT: 907 T = StructType::create(C,"ocl_event")->getPointerTo(); break; 908 default: 909 llvm_unreachable("Unhandeled param type"); 910 return nullptr; 911 } 912 if (P.VectorSize > 1) 913 T = VectorType::get(T, P.VectorSize); 914 if (P.PtrKind != AMDGPULibFunc::BYVALUE) 915 T = useAddrSpace ? T->getPointerTo((P.PtrKind & AMDGPULibFunc::ADDR_SPACE) 916 - 1) 917 : T->getPointerTo(); 918 return T; 919 } 920 921 FunctionType *AMDGPUMangledLibFunc::getFunctionType(Module &M) const { 922 LLVMContext& C = M.getContext(); 923 std::vector<Type*> Args; 924 ParamIterator I(Leads, manglingRules[FuncId]); 925 Param P; 926 while ((P=I.getNextParam()).ArgType != 0) 927 Args.push_back(getIntrinsicParamType(C, P, true)); 928 929 return FunctionType::get( 930 getIntrinsicParamType(C, getRetType(FuncId, Leads), true), 931 Args, false); 932 } 933 934 unsigned AMDGPUMangledLibFunc::getNumArgs() const { 935 return manglingRules[FuncId].getNumArgs(); 936 } 937 938 unsigned AMDGPUUnmangledLibFunc::getNumArgs() const { 939 return UnmangledFuncInfo::getNumArgs(FuncId); 940 } 941 942 std::string AMDGPUMangledLibFunc::getName() const { 943 SmallString<128> Buf; 944 raw_svector_ostream OS(Buf); 945 writeName(OS); 946 return OS.str(); 947 } 948 949 Function *AMDGPULibFunc::getFunction(Module *M, const AMDGPULibFunc &fInfo) { 950 std::string FuncName = fInfo.mangle(); 951 Function *F = dyn_cast_or_null<Function>( 952 M->getValueSymbolTable().lookup(FuncName)); 953 954 // check formal with actual types conformance 955 if (F && !F->isDeclaration() 956 && !F->isVarArg() 957 && F->arg_size() == fInfo.getNumArgs()) { 958 return F; 959 } 960 return nullptr; 961 } 962 963 FunctionCallee AMDGPULibFunc::getOrInsertFunction(Module *M, 964 const AMDGPULibFunc &fInfo) { 965 std::string const FuncName = fInfo.mangle(); 966 Function *F = dyn_cast_or_null<Function>( 967 M->getValueSymbolTable().lookup(FuncName)); 968 969 // check formal with actual types conformance 970 if (F && !F->isDeclaration() 971 && !F->isVarArg() 972 && F->arg_size() == fInfo.getNumArgs()) { 973 return F; 974 } 975 976 FunctionType *FuncTy = fInfo.getFunctionType(*M); 977 978 bool hasPtr = false; 979 for (FunctionType::param_iterator 980 PI = FuncTy->param_begin(), 981 PE = FuncTy->param_end(); 982 PI != PE; ++PI) { 983 const Type* argTy = static_cast<const Type*>(*PI); 984 if (argTy->isPointerTy()) { 985 hasPtr = true; 986 break; 987 } 988 } 989 990 FunctionCallee C; 991 if (hasPtr) { 992 // Do not set extra attributes for functions with pointer arguments. 993 C = M->getOrInsertFunction(FuncName, FuncTy); 994 } else { 995 AttributeList Attr; 996 LLVMContext &Ctx = M->getContext(); 997 Attr = Attr.addAttribute(Ctx, AttributeList::FunctionIndex, 998 Attribute::ReadOnly); 999 Attr = Attr.addAttribute(Ctx, AttributeList::FunctionIndex, 1000 Attribute::NoUnwind); 1001 C = M->getOrInsertFunction(FuncName, FuncTy, Attr); 1002 } 1003 1004 return C; 1005 } 1006 1007 bool UnmangledFuncInfo::lookup(StringRef Name, ID &Id) { 1008 auto Loc = Map.find(Name); 1009 if (Loc != Map.end()) { 1010 Id = toFuncId(Loc->second); 1011 return true; 1012 } 1013 Id = AMDGPULibFunc::EI_NONE; 1014 return false; 1015 } 1016 1017 AMDGPULibFunc::AMDGPULibFunc(const AMDGPULibFunc &F) { 1018 if (auto *MF = dyn_cast<AMDGPUMangledLibFunc>(F.Impl.get())) 1019 Impl.reset(new AMDGPUMangledLibFunc(*MF)); 1020 else if (auto *UMF = dyn_cast<AMDGPUUnmangledLibFunc>(F.Impl.get())) 1021 Impl.reset(new AMDGPUUnmangledLibFunc(*UMF)); 1022 else 1023 Impl = std::unique_ptr<AMDGPULibFuncImpl>(); 1024 } 1025 1026 AMDGPULibFunc &AMDGPULibFunc::operator=(const AMDGPULibFunc &F) { 1027 if (this == &F) 1028 return *this; 1029 new (this) AMDGPULibFunc(F); 1030 return *this; 1031 } 1032 1033 AMDGPULibFunc::AMDGPULibFunc(EFuncId Id, const AMDGPULibFunc &CopyFrom) { 1034 assert(AMDGPULibFuncBase::isMangled(Id) && CopyFrom.isMangled() && 1035 "not supported"); 1036 Impl.reset(new AMDGPUMangledLibFunc( 1037 Id, *cast<AMDGPUMangledLibFunc>(CopyFrom.Impl.get()))); 1038 } 1039 1040 AMDGPULibFunc::AMDGPULibFunc(StringRef Name, FunctionType *FT) { 1041 Impl.reset(new AMDGPUUnmangledLibFunc(Name, FT)); 1042 } 1043 1044 void AMDGPULibFunc::initMangled() { Impl.reset(new AMDGPUMangledLibFunc()); } 1045 1046 AMDGPULibFunc::Param *AMDGPULibFunc::getLeads() { 1047 if (!Impl) 1048 initMangled(); 1049 return cast<AMDGPUMangledLibFunc>(Impl.get())->Leads; 1050 } 1051 1052 const AMDGPULibFunc::Param *AMDGPULibFunc::getLeads() const { 1053 return cast<const AMDGPUMangledLibFunc>(Impl.get())->Leads; 1054 } 1055