1 //===-- SelectionDAGDumper.cpp - Implement SelectionDAG::dump() -----------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This implements the SelectionDAG::dump method and friends. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/CodeGen/SelectionDAG.h" 15 #include "ScheduleDAGSDNodes.h" 16 #include "llvm/ADT/StringExtras.h" 17 #include "llvm/CodeGen/MachineConstantPool.h" 18 #include "llvm/CodeGen/MachineFunction.h" 19 #include "llvm/CodeGen/MachineModuleInfo.h" 20 #include "llvm/IR/DebugInfo.h" 21 #include "llvm/IR/Function.h" 22 #include "llvm/IR/Intrinsics.h" 23 #include "llvm/Support/Debug.h" 24 #include "llvm/Support/GraphWriter.h" 25 #include "llvm/Support/raw_ostream.h" 26 #include "llvm/Target/TargetInstrInfo.h" 27 #include "llvm/Target/TargetIntrinsicInfo.h" 28 #include "llvm/Target/TargetMachine.h" 29 #include "llvm/Target/TargetRegisterInfo.h" 30 #include "llvm/Target/TargetSubtargetInfo.h" 31 using namespace llvm; 32 33 std::string SDNode::getOperationName(const SelectionDAG *G) const { 34 switch (getOpcode()) { 35 default: 36 if (getOpcode() < ISD::BUILTIN_OP_END) 37 return "<<Unknown DAG Node>>"; 38 if (isMachineOpcode()) { 39 if (G) 40 if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo()) 41 if (getMachineOpcode() < TII->getNumOpcodes()) 42 return TII->getName(getMachineOpcode()); 43 return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>"; 44 } 45 if (G) { 46 const TargetLowering &TLI = G->getTargetLoweringInfo(); 47 const char *Name = TLI.getTargetNodeName(getOpcode()); 48 if (Name) return Name; 49 return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>"; 50 } 51 return "<<Unknown Node #" + utostr(getOpcode()) + ">>"; 52 53 #ifndef NDEBUG 54 case ISD::DELETED_NODE: return "<<Deleted Node!>>"; 55 #endif 56 case ISD::PREFETCH: return "Prefetch"; 57 case ISD::ATOMIC_FENCE: return "AtomicFence"; 58 case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap"; 59 case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess"; 60 case ISD::ATOMIC_SWAP: return "AtomicSwap"; 61 case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd"; 62 case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub"; 63 case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd"; 64 case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr"; 65 case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor"; 66 case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand"; 67 case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin"; 68 case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax"; 69 case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin"; 70 case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax"; 71 case ISD::ATOMIC_LOAD: return "AtomicLoad"; 72 case ISD::ATOMIC_STORE: return "AtomicStore"; 73 case ISD::PCMARKER: return "PCMarker"; 74 case ISD::READCYCLECOUNTER: return "ReadCycleCounter"; 75 case ISD::SRCVALUE: return "SrcValue"; 76 case ISD::MDNODE_SDNODE: return "MDNode"; 77 case ISD::EntryToken: return "EntryToken"; 78 case ISD::TokenFactor: return "TokenFactor"; 79 case ISD::AssertSext: return "AssertSext"; 80 case ISD::AssertZext: return "AssertZext"; 81 82 case ISD::BasicBlock: return "BasicBlock"; 83 case ISD::VALUETYPE: return "ValueType"; 84 case ISD::Register: return "Register"; 85 case ISD::RegisterMask: return "RegisterMask"; 86 case ISD::Constant: 87 if (cast<ConstantSDNode>(this)->isOpaque()) 88 return "OpaqueConstant"; 89 return "Constant"; 90 case ISD::ConstantFP: return "ConstantFP"; 91 case ISD::GlobalAddress: return "GlobalAddress"; 92 case ISD::GlobalTLSAddress: return "GlobalTLSAddress"; 93 case ISD::FrameIndex: return "FrameIndex"; 94 case ISD::JumpTable: return "JumpTable"; 95 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE"; 96 case ISD::RETURNADDR: return "RETURNADDR"; 97 case ISD::FRAMEADDR: return "FRAMEADDR"; 98 case ISD::FRAME_ALLOC_RECOVER: return "FRAME_ALLOC_RECOVER"; 99 case ISD::READ_REGISTER: return "READ_REGISTER"; 100 case ISD::WRITE_REGISTER: return "WRITE_REGISTER"; 101 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET"; 102 case ISD::EH_RETURN: return "EH_RETURN"; 103 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP"; 104 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP"; 105 case ISD::ConstantPool: return "ConstantPool"; 106 case ISD::TargetIndex: return "TargetIndex"; 107 case ISD::ExternalSymbol: return "ExternalSymbol"; 108 case ISD::BlockAddress: return "BlockAddress"; 109 case ISD::INTRINSIC_WO_CHAIN: 110 case ISD::INTRINSIC_VOID: 111 case ISD::INTRINSIC_W_CHAIN: { 112 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1; 113 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue(); 114 if (IID < Intrinsic::num_intrinsics) 115 return Intrinsic::getName((Intrinsic::ID)IID); 116 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo()) 117 return TII->getName(IID); 118 llvm_unreachable("Invalid intrinsic ID"); 119 } 120 121 case ISD::BUILD_VECTOR: return "BUILD_VECTOR"; 122 case ISD::TargetConstant: 123 if (cast<ConstantSDNode>(this)->isOpaque()) 124 return "OpaqueTargetConstant"; 125 return "TargetConstant"; 126 case ISD::TargetConstantFP: return "TargetConstantFP"; 127 case ISD::TargetGlobalAddress: return "TargetGlobalAddress"; 128 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress"; 129 case ISD::TargetFrameIndex: return "TargetFrameIndex"; 130 case ISD::TargetJumpTable: return "TargetJumpTable"; 131 case ISD::TargetConstantPool: return "TargetConstantPool"; 132 case ISD::TargetExternalSymbol: return "TargetExternalSymbol"; 133 case ISD::TargetBlockAddress: return "TargetBlockAddress"; 134 135 case ISD::CopyToReg: return "CopyToReg"; 136 case ISD::CopyFromReg: return "CopyFromReg"; 137 case ISD::UNDEF: return "undef"; 138 case ISD::MERGE_VALUES: return "merge_values"; 139 case ISD::INLINEASM: return "inlineasm"; 140 case ISD::EH_LABEL: return "eh_label"; 141 case ISD::HANDLENODE: return "handlenode"; 142 143 // Unary operators 144 case ISD::FABS: return "fabs"; 145 case ISD::FMINNUM: return "fminnum"; 146 case ISD::FMAXNUM: return "fmaxnum"; 147 case ISD::FNEG: return "fneg"; 148 case ISD::FSQRT: return "fsqrt"; 149 case ISD::FSIN: return "fsin"; 150 case ISD::FCOS: return "fcos"; 151 case ISD::FSINCOS: return "fsincos"; 152 case ISD::FTRUNC: return "ftrunc"; 153 case ISD::FFLOOR: return "ffloor"; 154 case ISD::FCEIL: return "fceil"; 155 case ISD::FRINT: return "frint"; 156 case ISD::FNEARBYINT: return "fnearbyint"; 157 case ISD::FROUND: return "fround"; 158 case ISD::FEXP: return "fexp"; 159 case ISD::FEXP2: return "fexp2"; 160 case ISD::FLOG: return "flog"; 161 case ISD::FLOG2: return "flog2"; 162 case ISD::FLOG10: return "flog10"; 163 164 // Binary operators 165 case ISD::ADD: return "add"; 166 case ISD::SUB: return "sub"; 167 case ISD::MUL: return "mul"; 168 case ISD::MULHU: return "mulhu"; 169 case ISD::MULHS: return "mulhs"; 170 case ISD::SDIV: return "sdiv"; 171 case ISD::UDIV: return "udiv"; 172 case ISD::SREM: return "srem"; 173 case ISD::UREM: return "urem"; 174 case ISD::SMUL_LOHI: return "smul_lohi"; 175 case ISD::UMUL_LOHI: return "umul_lohi"; 176 case ISD::SDIVREM: return "sdivrem"; 177 case ISD::UDIVREM: return "udivrem"; 178 case ISD::AND: return "and"; 179 case ISD::OR: return "or"; 180 case ISD::XOR: return "xor"; 181 case ISD::SHL: return "shl"; 182 case ISD::SRA: return "sra"; 183 case ISD::SRL: return "srl"; 184 case ISD::ROTL: return "rotl"; 185 case ISD::ROTR: return "rotr"; 186 case ISD::FADD: return "fadd"; 187 case ISD::FSUB: return "fsub"; 188 case ISD::FMUL: return "fmul"; 189 case ISD::FDIV: return "fdiv"; 190 case ISD::FMA: return "fma"; 191 case ISD::FMAD: return "fmad"; 192 case ISD::FREM: return "frem"; 193 case ISD::FCOPYSIGN: return "fcopysign"; 194 case ISD::FGETSIGN: return "fgetsign"; 195 case ISD::FPOW: return "fpow"; 196 197 case ISD::FPOWI: return "fpowi"; 198 case ISD::SETCC: return "setcc"; 199 case ISD::SELECT: return "select"; 200 case ISD::VSELECT: return "vselect"; 201 case ISD::SELECT_CC: return "select_cc"; 202 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt"; 203 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt"; 204 case ISD::CONCAT_VECTORS: return "concat_vectors"; 205 case ISD::INSERT_SUBVECTOR: return "insert_subvector"; 206 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector"; 207 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector"; 208 case ISD::VECTOR_SHUFFLE: return "vector_shuffle"; 209 case ISD::CARRY_FALSE: return "carry_false"; 210 case ISD::ADDC: return "addc"; 211 case ISD::ADDE: return "adde"; 212 case ISD::SADDO: return "saddo"; 213 case ISD::UADDO: return "uaddo"; 214 case ISD::SSUBO: return "ssubo"; 215 case ISD::USUBO: return "usubo"; 216 case ISD::SMULO: return "smulo"; 217 case ISD::UMULO: return "umulo"; 218 case ISD::SUBC: return "subc"; 219 case ISD::SUBE: return "sube"; 220 case ISD::SHL_PARTS: return "shl_parts"; 221 case ISD::SRA_PARTS: return "sra_parts"; 222 case ISD::SRL_PARTS: return "srl_parts"; 223 224 // Conversion operators. 225 case ISD::SIGN_EXTEND: return "sign_extend"; 226 case ISD::ZERO_EXTEND: return "zero_extend"; 227 case ISD::ANY_EXTEND: return "any_extend"; 228 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg"; 229 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg"; 230 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg"; 231 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg"; 232 case ISD::TRUNCATE: return "truncate"; 233 case ISD::FP_ROUND: return "fp_round"; 234 case ISD::FLT_ROUNDS_: return "flt_rounds"; 235 case ISD::FP_ROUND_INREG: return "fp_round_inreg"; 236 case ISD::FP_EXTEND: return "fp_extend"; 237 238 case ISD::SINT_TO_FP: return "sint_to_fp"; 239 case ISD::UINT_TO_FP: return "uint_to_fp"; 240 case ISD::FP_TO_SINT: return "fp_to_sint"; 241 case ISD::FP_TO_UINT: return "fp_to_uint"; 242 case ISD::BITCAST: return "bitcast"; 243 case ISD::ADDRSPACECAST: return "addrspacecast"; 244 case ISD::FP16_TO_FP: return "fp16_to_fp"; 245 case ISD::FP_TO_FP16: return "fp_to_fp16"; 246 247 case ISD::CONVERT_RNDSAT: { 248 switch (cast<CvtRndSatSDNode>(this)->getCvtCode()) { 249 default: llvm_unreachable("Unknown cvt code!"); 250 case ISD::CVT_FF: return "cvt_ff"; 251 case ISD::CVT_FS: return "cvt_fs"; 252 case ISD::CVT_FU: return "cvt_fu"; 253 case ISD::CVT_SF: return "cvt_sf"; 254 case ISD::CVT_UF: return "cvt_uf"; 255 case ISD::CVT_SS: return "cvt_ss"; 256 case ISD::CVT_SU: return "cvt_su"; 257 case ISD::CVT_US: return "cvt_us"; 258 case ISD::CVT_UU: return "cvt_uu"; 259 } 260 } 261 262 // Control flow instructions 263 case ISD::BR: return "br"; 264 case ISD::BRIND: return "brind"; 265 case ISD::BR_JT: return "br_jt"; 266 case ISD::BRCOND: return "brcond"; 267 case ISD::BR_CC: return "br_cc"; 268 case ISD::CALLSEQ_START: return "callseq_start"; 269 case ISD::CALLSEQ_END: return "callseq_end"; 270 271 // Other operators 272 case ISD::LOAD: return "load"; 273 case ISD::STORE: return "store"; 274 case ISD::MLOAD: return "masked_load"; 275 case ISD::MSTORE: return "masked_store"; 276 case ISD::MGATHER: return "masked_gather"; 277 case ISD::MSCATTER: return "masked_scatter"; 278 case ISD::VAARG: return "vaarg"; 279 case ISD::VACOPY: return "vacopy"; 280 case ISD::VAEND: return "vaend"; 281 case ISD::VASTART: return "vastart"; 282 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc"; 283 case ISD::EXTRACT_ELEMENT: return "extract_element"; 284 case ISD::BUILD_PAIR: return "build_pair"; 285 case ISD::STACKSAVE: return "stacksave"; 286 case ISD::STACKRESTORE: return "stackrestore"; 287 case ISD::TRAP: return "trap"; 288 case ISD::DEBUGTRAP: return "debugtrap"; 289 case ISD::LIFETIME_START: return "lifetime.start"; 290 case ISD::LIFETIME_END: return "lifetime.end"; 291 292 // Bit manipulation 293 case ISD::BSWAP: return "bswap"; 294 case ISD::CTPOP: return "ctpop"; 295 case ISD::CTTZ: return "cttz"; 296 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef"; 297 case ISD::CTLZ: return "ctlz"; 298 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef"; 299 300 // Trampolines 301 case ISD::INIT_TRAMPOLINE: return "init_trampoline"; 302 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline"; 303 304 case ISD::CONDCODE: 305 switch (cast<CondCodeSDNode>(this)->get()) { 306 default: llvm_unreachable("Unknown setcc condition!"); 307 case ISD::SETOEQ: return "setoeq"; 308 case ISD::SETOGT: return "setogt"; 309 case ISD::SETOGE: return "setoge"; 310 case ISD::SETOLT: return "setolt"; 311 case ISD::SETOLE: return "setole"; 312 case ISD::SETONE: return "setone"; 313 314 case ISD::SETO: return "seto"; 315 case ISD::SETUO: return "setuo"; 316 case ISD::SETUEQ: return "setue"; 317 case ISD::SETUGT: return "setugt"; 318 case ISD::SETUGE: return "setuge"; 319 case ISD::SETULT: return "setult"; 320 case ISD::SETULE: return "setule"; 321 case ISD::SETUNE: return "setune"; 322 323 case ISD::SETEQ: return "seteq"; 324 case ISD::SETGT: return "setgt"; 325 case ISD::SETGE: return "setge"; 326 case ISD::SETLT: return "setlt"; 327 case ISD::SETLE: return "setle"; 328 case ISD::SETNE: return "setne"; 329 330 case ISD::SETTRUE: return "settrue"; 331 case ISD::SETTRUE2: return "settrue2"; 332 case ISD::SETFALSE: return "setfalse"; 333 case ISD::SETFALSE2: return "setfalse2"; 334 } 335 } 336 } 337 338 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) { 339 switch (AM) { 340 default: return ""; 341 case ISD::PRE_INC: return "<pre-inc>"; 342 case ISD::PRE_DEC: return "<pre-dec>"; 343 case ISD::POST_INC: return "<post-inc>"; 344 case ISD::POST_DEC: return "<post-dec>"; 345 } 346 } 347 348 void SDNode::dump() const { dump(nullptr); } 349 void SDNode::dump(const SelectionDAG *G) const { 350 print(dbgs(), G); 351 dbgs() << '\n'; 352 } 353 354 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { 355 OS << (const void*)this << ": "; 356 357 for (unsigned i = 0, e = getNumValues(); i != e; ++i) { 358 if (i) OS << ","; 359 if (getValueType(i) == MVT::Other) 360 OS << "ch"; 361 else 362 OS << getValueType(i).getEVTString(); 363 } 364 OS << " = " << getOperationName(G); 365 } 366 367 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { 368 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { 369 if (!MN->memoperands_empty()) { 370 OS << "<"; 371 OS << "Mem:"; 372 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), 373 e = MN->memoperands_end(); i != e; ++i) { 374 OS << **i; 375 if (std::next(i) != e) 376 OS << " "; 377 } 378 OS << ">"; 379 } 380 } else if (const ShuffleVectorSDNode *SVN = 381 dyn_cast<ShuffleVectorSDNode>(this)) { 382 OS << "<"; 383 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { 384 int Idx = SVN->getMaskElt(i); 385 if (i) OS << ","; 386 if (Idx < 0) 387 OS << "u"; 388 else 389 OS << Idx; 390 } 391 OS << ">"; 392 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { 393 OS << '<' << CSDN->getAPIntValue() << '>'; 394 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { 395 if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle) 396 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; 397 else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble) 398 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; 399 else { 400 OS << "<APFloat("; 401 CSDN->getValueAPF().bitcastToAPInt().dump(); 402 OS << ")>"; 403 } 404 } else if (const GlobalAddressSDNode *GADN = 405 dyn_cast<GlobalAddressSDNode>(this)) { 406 int64_t offset = GADN->getOffset(); 407 OS << '<'; 408 GADN->getGlobal()->printAsOperand(OS); 409 OS << '>'; 410 if (offset > 0) 411 OS << " + " << offset; 412 else 413 OS << " " << offset; 414 if (unsigned int TF = GADN->getTargetFlags()) 415 OS << " [TF=" << TF << ']'; 416 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { 417 OS << "<" << FIDN->getIndex() << ">"; 418 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { 419 OS << "<" << JTDN->getIndex() << ">"; 420 if (unsigned int TF = JTDN->getTargetFlags()) 421 OS << " [TF=" << TF << ']'; 422 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ 423 int offset = CP->getOffset(); 424 if (CP->isMachineConstantPoolEntry()) 425 OS << "<" << *CP->getMachineCPVal() << ">"; 426 else 427 OS << "<" << *CP->getConstVal() << ">"; 428 if (offset > 0) 429 OS << " + " << offset; 430 else 431 OS << " " << offset; 432 if (unsigned int TF = CP->getTargetFlags()) 433 OS << " [TF=" << TF << ']'; 434 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { 435 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; 436 if (unsigned TF = TI->getTargetFlags()) 437 OS << " [TF=" << TF << ']'; 438 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { 439 OS << "<"; 440 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); 441 if (LBB) 442 OS << LBB->getName() << " "; 443 OS << (const void*)BBDN->getBasicBlock() << ">"; 444 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { 445 OS << ' ' << PrintReg(R->getReg(), 446 G ? G->getSubtarget().getRegisterInfo() : nullptr); 447 } else if (const ExternalSymbolSDNode *ES = 448 dyn_cast<ExternalSymbolSDNode>(this)) { 449 OS << "'" << ES->getSymbol() << "'"; 450 if (unsigned int TF = ES->getTargetFlags()) 451 OS << " [TF=" << TF << ']'; 452 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { 453 if (M->getValue()) 454 OS << "<" << M->getValue() << ">"; 455 else 456 OS << "<null>"; 457 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { 458 if (MD->getMD()) 459 OS << "<" << MD->getMD() << ">"; 460 else 461 OS << "<null>"; 462 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { 463 OS << ":" << N->getVT().getEVTString(); 464 } 465 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { 466 OS << "<" << *LD->getMemOperand(); 467 468 bool doExt = true; 469 switch (LD->getExtensionType()) { 470 default: doExt = false; break; 471 case ISD::EXTLOAD: OS << ", anyext"; break; 472 case ISD::SEXTLOAD: OS << ", sext"; break; 473 case ISD::ZEXTLOAD: OS << ", zext"; break; 474 } 475 if (doExt) 476 OS << " from " << LD->getMemoryVT().getEVTString(); 477 478 const char *AM = getIndexedModeName(LD->getAddressingMode()); 479 if (*AM) 480 OS << ", " << AM; 481 482 OS << ">"; 483 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { 484 OS << "<" << *ST->getMemOperand(); 485 486 if (ST->isTruncatingStore()) 487 OS << ", trunc to " << ST->getMemoryVT().getEVTString(); 488 489 const char *AM = getIndexedModeName(ST->getAddressingMode()); 490 if (*AM) 491 OS << ", " << AM; 492 493 OS << ">"; 494 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { 495 OS << "<" << *M->getMemOperand() << ">"; 496 } else if (const BlockAddressSDNode *BA = 497 dyn_cast<BlockAddressSDNode>(this)) { 498 int64_t offset = BA->getOffset(); 499 OS << "<"; 500 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); 501 OS << ", "; 502 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); 503 OS << ">"; 504 if (offset > 0) 505 OS << " + " << offset; 506 else 507 OS << " " << offset; 508 if (unsigned int TF = BA->getTargetFlags()) 509 OS << " [TF=" << TF << ']'; 510 } else if (const AddrSpaceCastSDNode *ASC = 511 dyn_cast<AddrSpaceCastSDNode>(this)) { 512 OS << '[' 513 << ASC->getSrcAddressSpace() 514 << " -> " 515 << ASC->getDestAddressSpace() 516 << ']'; 517 } 518 519 if (unsigned Order = getIROrder()) 520 OS << " [ORD=" << Order << ']'; 521 522 if (getNodeId() != -1) 523 OS << " [ID=" << getNodeId() << ']'; 524 525 if (!G) 526 return; 527 528 DILocation *L = getDebugLoc(); 529 if (!L) 530 return; 531 532 if (auto *Scope = L->getScope()) 533 OS << Scope->getFilename(); 534 else 535 OS << "<unknown>"; 536 OS << ':' << L->getLine(); 537 if (unsigned C = L->getColumn()) 538 OS << ':' << C; 539 } 540 541 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { 542 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) 543 if (N->getOperand(i).getNode()->hasOneUse()) 544 DumpNodes(N->getOperand(i).getNode(), indent+2, G); 545 else 546 dbgs() << "\n" << std::string(indent+2, ' ') 547 << (void*)N->getOperand(i).getNode() << ": <multiple use>"; 548 549 dbgs() << '\n'; 550 dbgs().indent(indent); 551 N->dump(G); 552 } 553 554 void SelectionDAG::dump() const { 555 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:"; 556 557 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); 558 I != E; ++I) { 559 const SDNode *N = I; 560 if (!N->hasOneUse() && N != getRoot().getNode()) 561 DumpNodes(N, 2, this); 562 } 563 564 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this); 565 dbgs() << "\n\n"; 566 } 567 568 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const { 569 print_types(OS, G); 570 print_details(OS, G); 571 } 572 573 typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet; 574 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, 575 const SelectionDAG *G, VisitedSDNodeSet &once) { 576 if (!once.insert(N).second) // If we've been here before, return now. 577 return; 578 579 // Dump the current SDNode, but don't end the line yet. 580 OS.indent(indent); 581 N->printr(OS, G); 582 583 // Having printed this SDNode, walk the children: 584 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 585 const SDNode *child = N->getOperand(i).getNode(); 586 587 if (i) OS << ","; 588 OS << " "; 589 590 if (child->getNumOperands() == 0) { 591 // This child has no grandchildren; print it inline right here. 592 child->printr(OS, G); 593 once.insert(child); 594 } else { // Just the address. FIXME: also print the child's opcode. 595 OS << (const void*)child; 596 if (unsigned RN = N->getOperand(i).getResNo()) 597 OS << ":" << RN; 598 } 599 } 600 601 OS << "\n"; 602 603 // Dump children that have grandchildren on their own line(s). 604 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 605 const SDNode *child = N->getOperand(i).getNode(); 606 DumpNodesr(OS, child, indent+2, G, once); 607 } 608 } 609 610 void SDNode::dumpr() const { 611 VisitedSDNodeSet once; 612 DumpNodesr(dbgs(), this, 0, nullptr, once); 613 } 614 615 void SDNode::dumpr(const SelectionDAG *G) const { 616 VisitedSDNodeSet once; 617 DumpNodesr(dbgs(), this, 0, G, once); 618 } 619 620 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, 621 const SelectionDAG *G, unsigned depth, 622 unsigned indent) { 623 if (depth == 0) 624 return; 625 626 OS.indent(indent); 627 628 N->print(OS, G); 629 630 if (depth < 1) 631 return; 632 633 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 634 // Don't follow chain operands. 635 if (N->getOperand(i).getValueType() == MVT::Other) 636 continue; 637 OS << '\n'; 638 printrWithDepthHelper(OS, N->getOperand(i).getNode(), G, depth-1, indent+2); 639 } 640 } 641 642 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, 643 unsigned depth) const { 644 printrWithDepthHelper(OS, this, G, depth, 0); 645 } 646 647 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { 648 // Don't print impossibly deep things. 649 printrWithDepth(OS, G, 10); 650 } 651 652 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { 653 printrWithDepth(dbgs(), G, depth); 654 } 655 656 void SDNode::dumprFull(const SelectionDAG *G) const { 657 // Don't print impossibly deep things. 658 dumprWithDepth(G, 10); 659 } 660 661 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { 662 print_types(OS, G); 663 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { 664 if (i) OS << ", "; else OS << " "; 665 OS << (void*)getOperand(i).getNode(); 666 if (unsigned RN = getOperand(i).getResNo()) 667 OS << ":" << RN; 668 } 669 print_details(OS, G); 670 } 671