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 static cl::opt<bool> 34 VerboseDAGDumping("dag-dump-verbose", cl::Hidden, 35 cl::desc("Display more information when dumping selection " 36 "DAG nodes.")); 37 38 std::string SDNode::getOperationName(const SelectionDAG *G) const { 39 switch (getOpcode()) { 40 default: 41 if (getOpcode() < ISD::BUILTIN_OP_END) 42 return "<<Unknown DAG Node>>"; 43 if (isMachineOpcode()) { 44 if (G) 45 if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo()) 46 if (getMachineOpcode() < TII->getNumOpcodes()) 47 return TII->getName(getMachineOpcode()); 48 return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>"; 49 } 50 if (G) { 51 const TargetLowering &TLI = G->getTargetLoweringInfo(); 52 const char *Name = TLI.getTargetNodeName(getOpcode()); 53 if (Name) return Name; 54 return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>"; 55 } 56 return "<<Unknown Node #" + utostr(getOpcode()) + ">>"; 57 58 #ifndef NDEBUG 59 case ISD::DELETED_NODE: return "<<Deleted Node!>>"; 60 #endif 61 case ISD::PREFETCH: return "Prefetch"; 62 case ISD::ATOMIC_FENCE: return "AtomicFence"; 63 case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap"; 64 case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess"; 65 case ISD::ATOMIC_SWAP: return "AtomicSwap"; 66 case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd"; 67 case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub"; 68 case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd"; 69 case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr"; 70 case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor"; 71 case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand"; 72 case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin"; 73 case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax"; 74 case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin"; 75 case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax"; 76 case ISD::ATOMIC_LOAD: return "AtomicLoad"; 77 case ISD::ATOMIC_STORE: return "AtomicStore"; 78 case ISD::PCMARKER: return "PCMarker"; 79 case ISD::READCYCLECOUNTER: return "ReadCycleCounter"; 80 case ISD::SRCVALUE: return "SrcValue"; 81 case ISD::MDNODE_SDNODE: return "MDNode"; 82 case ISD::EntryToken: return "EntryToken"; 83 case ISD::TokenFactor: return "TokenFactor"; 84 case ISD::AssertSext: return "AssertSext"; 85 case ISD::AssertZext: return "AssertZext"; 86 87 case ISD::BasicBlock: return "BasicBlock"; 88 case ISD::VALUETYPE: return "ValueType"; 89 case ISD::Register: return "Register"; 90 case ISD::RegisterMask: return "RegisterMask"; 91 case ISD::Constant: 92 if (cast<ConstantSDNode>(this)->isOpaque()) 93 return "OpaqueConstant"; 94 return "Constant"; 95 case ISD::ConstantFP: return "ConstantFP"; 96 case ISD::GlobalAddress: return "GlobalAddress"; 97 case ISD::GlobalTLSAddress: return "GlobalTLSAddress"; 98 case ISD::FrameIndex: return "FrameIndex"; 99 case ISD::JumpTable: return "JumpTable"; 100 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE"; 101 case ISD::RETURNADDR: return "RETURNADDR"; 102 case ISD::FRAMEADDR: return "FRAMEADDR"; 103 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER"; 104 case ISD::READ_REGISTER: return "READ_REGISTER"; 105 case ISD::WRITE_REGISTER: return "WRITE_REGISTER"; 106 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET"; 107 case ISD::EH_RETURN: return "EH_RETURN"; 108 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP"; 109 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP"; 110 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH"; 111 case ISD::ConstantPool: return "ConstantPool"; 112 case ISD::TargetIndex: return "TargetIndex"; 113 case ISD::ExternalSymbol: return "ExternalSymbol"; 114 case ISD::BlockAddress: return "BlockAddress"; 115 case ISD::INTRINSIC_WO_CHAIN: 116 case ISD::INTRINSIC_VOID: 117 case ISD::INTRINSIC_W_CHAIN: { 118 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1; 119 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue(); 120 if (IID < Intrinsic::num_intrinsics) 121 return Intrinsic::getName((Intrinsic::ID)IID); 122 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo()) 123 return TII->getName(IID); 124 llvm_unreachable("Invalid intrinsic ID"); 125 } 126 127 case ISD::BUILD_VECTOR: return "BUILD_VECTOR"; 128 case ISD::TargetConstant: 129 if (cast<ConstantSDNode>(this)->isOpaque()) 130 return "OpaqueTargetConstant"; 131 return "TargetConstant"; 132 case ISD::TargetConstantFP: return "TargetConstantFP"; 133 case ISD::TargetGlobalAddress: return "TargetGlobalAddress"; 134 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress"; 135 case ISD::TargetFrameIndex: return "TargetFrameIndex"; 136 case ISD::TargetJumpTable: return "TargetJumpTable"; 137 case ISD::TargetConstantPool: return "TargetConstantPool"; 138 case ISD::TargetExternalSymbol: return "TargetExternalSymbol"; 139 case ISD::MCSymbol: return "MCSymbol"; 140 case ISD::TargetBlockAddress: return "TargetBlockAddress"; 141 142 case ISD::CopyToReg: return "CopyToReg"; 143 case ISD::CopyFromReg: return "CopyFromReg"; 144 case ISD::UNDEF: return "undef"; 145 case ISD::MERGE_VALUES: return "merge_values"; 146 case ISD::INLINEASM: return "inlineasm"; 147 case ISD::EH_LABEL: return "eh_label"; 148 case ISD::HANDLENODE: return "handlenode"; 149 150 // Unary operators 151 case ISD::FABS: return "fabs"; 152 case ISD::FMINNUM: return "fminnum"; 153 case ISD::FMAXNUM: return "fmaxnum"; 154 case ISD::FMINNAN: return "fminnan"; 155 case ISD::FMAXNAN: return "fmaxnan"; 156 case ISD::FNEG: return "fneg"; 157 case ISD::FSQRT: return "fsqrt"; 158 case ISD::FSIN: return "fsin"; 159 case ISD::FCOS: return "fcos"; 160 case ISD::FSINCOS: return "fsincos"; 161 case ISD::FTRUNC: return "ftrunc"; 162 case ISD::FFLOOR: return "ffloor"; 163 case ISD::FCEIL: return "fceil"; 164 case ISD::FRINT: return "frint"; 165 case ISD::FNEARBYINT: return "fnearbyint"; 166 case ISD::FROUND: return "fround"; 167 case ISD::FEXP: return "fexp"; 168 case ISD::FEXP2: return "fexp2"; 169 case ISD::FLOG: return "flog"; 170 case ISD::FLOG2: return "flog2"; 171 case ISD::FLOG10: return "flog10"; 172 173 // Binary operators 174 case ISD::ADD: return "add"; 175 case ISD::SUB: return "sub"; 176 case ISD::MUL: return "mul"; 177 case ISD::MULHU: return "mulhu"; 178 case ISD::MULHS: return "mulhs"; 179 case ISD::SDIV: return "sdiv"; 180 case ISD::UDIV: return "udiv"; 181 case ISD::SREM: return "srem"; 182 case ISD::UREM: return "urem"; 183 case ISD::SMUL_LOHI: return "smul_lohi"; 184 case ISD::UMUL_LOHI: return "umul_lohi"; 185 case ISD::SDIVREM: return "sdivrem"; 186 case ISD::UDIVREM: return "udivrem"; 187 case ISD::AND: return "and"; 188 case ISD::OR: return "or"; 189 case ISD::XOR: return "xor"; 190 case ISD::SHL: return "shl"; 191 case ISD::SRA: return "sra"; 192 case ISD::SRL: return "srl"; 193 case ISD::ROTL: return "rotl"; 194 case ISD::ROTR: return "rotr"; 195 case ISD::FADD: return "fadd"; 196 case ISD::FSUB: return "fsub"; 197 case ISD::FMUL: return "fmul"; 198 case ISD::FDIV: return "fdiv"; 199 case ISD::FMA: return "fma"; 200 case ISD::FMAD: return "fmad"; 201 case ISD::FREM: return "frem"; 202 case ISD::FCOPYSIGN: return "fcopysign"; 203 case ISD::FGETSIGN: return "fgetsign"; 204 case ISD::FPOW: return "fpow"; 205 case ISD::SMIN: return "smin"; 206 case ISD::SMAX: return "smax"; 207 case ISD::UMIN: return "umin"; 208 case ISD::UMAX: return "umax"; 209 210 case ISD::FPOWI: return "fpowi"; 211 case ISD::SETCC: return "setcc"; 212 case ISD::SETCCE: return "setcce"; 213 case ISD::SELECT: return "select"; 214 case ISD::VSELECT: return "vselect"; 215 case ISD::SELECT_CC: return "select_cc"; 216 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt"; 217 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt"; 218 case ISD::CONCAT_VECTORS: return "concat_vectors"; 219 case ISD::INSERT_SUBVECTOR: return "insert_subvector"; 220 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector"; 221 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector"; 222 case ISD::VECTOR_SHUFFLE: return "vector_shuffle"; 223 case ISD::CARRY_FALSE: return "carry_false"; 224 case ISD::ADDC: return "addc"; 225 case ISD::ADDE: return "adde"; 226 case ISD::SADDO: return "saddo"; 227 case ISD::UADDO: return "uaddo"; 228 case ISD::SSUBO: return "ssubo"; 229 case ISD::USUBO: return "usubo"; 230 case ISD::SMULO: return "smulo"; 231 case ISD::UMULO: return "umulo"; 232 case ISD::SUBC: return "subc"; 233 case ISD::SUBE: return "sube"; 234 case ISD::SHL_PARTS: return "shl_parts"; 235 case ISD::SRA_PARTS: return "sra_parts"; 236 case ISD::SRL_PARTS: return "srl_parts"; 237 case ISD::UABSDIFF: return "uabsdiff"; 238 case ISD::SABSDIFF: return "sabsdiff"; 239 240 // Conversion operators. 241 case ISD::SIGN_EXTEND: return "sign_extend"; 242 case ISD::ZERO_EXTEND: return "zero_extend"; 243 case ISD::ANY_EXTEND: return "any_extend"; 244 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg"; 245 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg"; 246 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg"; 247 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg"; 248 case ISD::TRUNCATE: return "truncate"; 249 case ISD::FP_ROUND: return "fp_round"; 250 case ISD::FLT_ROUNDS_: return "flt_rounds"; 251 case ISD::FP_ROUND_INREG: return "fp_round_inreg"; 252 case ISD::FP_EXTEND: return "fp_extend"; 253 254 case ISD::SINT_TO_FP: return "sint_to_fp"; 255 case ISD::UINT_TO_FP: return "uint_to_fp"; 256 case ISD::FP_TO_SINT: return "fp_to_sint"; 257 case ISD::FP_TO_UINT: return "fp_to_uint"; 258 case ISD::BITCAST: return "bitcast"; 259 case ISD::ADDRSPACECAST: return "addrspacecast"; 260 case ISD::FP16_TO_FP: return "fp16_to_fp"; 261 case ISD::FP_TO_FP16: return "fp_to_fp16"; 262 263 case ISD::CONVERT_RNDSAT: { 264 switch (cast<CvtRndSatSDNode>(this)->getCvtCode()) { 265 default: llvm_unreachable("Unknown cvt code!"); 266 case ISD::CVT_FF: return "cvt_ff"; 267 case ISD::CVT_FS: return "cvt_fs"; 268 case ISD::CVT_FU: return "cvt_fu"; 269 case ISD::CVT_SF: return "cvt_sf"; 270 case ISD::CVT_UF: return "cvt_uf"; 271 case ISD::CVT_SS: return "cvt_ss"; 272 case ISD::CVT_SU: return "cvt_su"; 273 case ISD::CVT_US: return "cvt_us"; 274 case ISD::CVT_UU: return "cvt_uu"; 275 } 276 } 277 278 // Control flow instructions 279 case ISD::BR: return "br"; 280 case ISD::BRIND: return "brind"; 281 case ISD::BR_JT: return "br_jt"; 282 case ISD::BRCOND: return "brcond"; 283 case ISD::BR_CC: return "br_cc"; 284 case ISD::CALLSEQ_START: return "callseq_start"; 285 case ISD::CALLSEQ_END: return "callseq_end"; 286 287 // EH instructions 288 case ISD::CATCHRET: return "catchret"; 289 case ISD::CLEANUPRET: return "cleanupret"; 290 291 // Other operators 292 case ISD::LOAD: return "load"; 293 case ISD::STORE: return "store"; 294 case ISD::MLOAD: return "masked_load"; 295 case ISD::MSTORE: return "masked_store"; 296 case ISD::MGATHER: return "masked_gather"; 297 case ISD::MSCATTER: return "masked_scatter"; 298 case ISD::VAARG: return "vaarg"; 299 case ISD::VACOPY: return "vacopy"; 300 case ISD::VAEND: return "vaend"; 301 case ISD::VASTART: return "vastart"; 302 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc"; 303 case ISD::EXTRACT_ELEMENT: return "extract_element"; 304 case ISD::BUILD_PAIR: return "build_pair"; 305 case ISD::STACKSAVE: return "stacksave"; 306 case ISD::STACKRESTORE: return "stackrestore"; 307 case ISD::TRAP: return "trap"; 308 case ISD::DEBUGTRAP: return "debugtrap"; 309 case ISD::LIFETIME_START: return "lifetime.start"; 310 case ISD::LIFETIME_END: return "lifetime.end"; 311 case ISD::GC_TRANSITION_START: return "gc_transition.start"; 312 case ISD::GC_TRANSITION_END: return "gc_transition.end"; 313 314 // Bit manipulation 315 case ISD::BITREVERSE: return "bitreverse"; 316 case ISD::BSWAP: return "bswap"; 317 case ISD::CTPOP: return "ctpop"; 318 case ISD::CTTZ: return "cttz"; 319 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef"; 320 case ISD::CTLZ: return "ctlz"; 321 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef"; 322 323 // Trampolines 324 case ISD::INIT_TRAMPOLINE: return "init_trampoline"; 325 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline"; 326 327 case ISD::CONDCODE: 328 switch (cast<CondCodeSDNode>(this)->get()) { 329 default: llvm_unreachable("Unknown setcc condition!"); 330 case ISD::SETOEQ: return "setoeq"; 331 case ISD::SETOGT: return "setogt"; 332 case ISD::SETOGE: return "setoge"; 333 case ISD::SETOLT: return "setolt"; 334 case ISD::SETOLE: return "setole"; 335 case ISD::SETONE: return "setone"; 336 337 case ISD::SETO: return "seto"; 338 case ISD::SETUO: return "setuo"; 339 case ISD::SETUEQ: return "setueq"; 340 case ISD::SETUGT: return "setugt"; 341 case ISD::SETUGE: return "setuge"; 342 case ISD::SETULT: return "setult"; 343 case ISD::SETULE: return "setule"; 344 case ISD::SETUNE: return "setune"; 345 346 case ISD::SETEQ: return "seteq"; 347 case ISD::SETGT: return "setgt"; 348 case ISD::SETGE: return "setge"; 349 case ISD::SETLT: return "setlt"; 350 case ISD::SETLE: return "setle"; 351 case ISD::SETNE: return "setne"; 352 353 case ISD::SETTRUE: return "settrue"; 354 case ISD::SETTRUE2: return "settrue2"; 355 case ISD::SETFALSE: return "setfalse"; 356 case ISD::SETFALSE2: return "setfalse2"; 357 } 358 } 359 } 360 361 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) { 362 switch (AM) { 363 default: return ""; 364 case ISD::PRE_INC: return "<pre-inc>"; 365 case ISD::PRE_DEC: return "<pre-dec>"; 366 case ISD::POST_INC: return "<post-inc>"; 367 case ISD::POST_DEC: return "<post-dec>"; 368 } 369 } 370 371 namespace { 372 class PrintNodeId { 373 const SDNode &Node; 374 public: 375 explicit PrintNodeId(const SDNode &Node) 376 : Node(Node) {} 377 void print(raw_ostream &OS) const { 378 #ifndef NDEBUG 379 OS << 't' << Node.PersistentId; 380 #else 381 OS << (const void*)&Node; 382 #endif 383 } 384 }; 385 386 static inline raw_ostream &operator<<(raw_ostream &OS, const PrintNodeId &P) { 387 P.print(OS); 388 return OS; 389 } 390 } 391 392 void SDNode::dump() const { dump(nullptr); } 393 void SDNode::dump(const SelectionDAG *G) const { 394 print(dbgs(), G); 395 dbgs() << '\n'; 396 } 397 398 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { 399 for (unsigned i = 0, e = getNumValues(); i != e; ++i) { 400 if (i) OS << ","; 401 if (getValueType(i) == MVT::Other) 402 OS << "ch"; 403 else 404 OS << getValueType(i).getEVTString(); 405 } 406 } 407 408 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { 409 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { 410 if (!MN->memoperands_empty()) { 411 OS << "<"; 412 OS << "Mem:"; 413 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), 414 e = MN->memoperands_end(); i != e; ++i) { 415 OS << **i; 416 if (std::next(i) != e) 417 OS << " "; 418 } 419 OS << ">"; 420 } 421 } else if (const ShuffleVectorSDNode *SVN = 422 dyn_cast<ShuffleVectorSDNode>(this)) { 423 OS << "<"; 424 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { 425 int Idx = SVN->getMaskElt(i); 426 if (i) OS << ","; 427 if (Idx < 0) 428 OS << "u"; 429 else 430 OS << Idx; 431 } 432 OS << ">"; 433 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { 434 OS << '<' << CSDN->getAPIntValue() << '>'; 435 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { 436 if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle) 437 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; 438 else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble) 439 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; 440 else { 441 OS << "<APFloat("; 442 CSDN->getValueAPF().bitcastToAPInt().dump(); 443 OS << ")>"; 444 } 445 } else if (const GlobalAddressSDNode *GADN = 446 dyn_cast<GlobalAddressSDNode>(this)) { 447 int64_t offset = GADN->getOffset(); 448 OS << '<'; 449 GADN->getGlobal()->printAsOperand(OS); 450 OS << '>'; 451 if (offset > 0) 452 OS << " + " << offset; 453 else 454 OS << " " << offset; 455 if (unsigned int TF = GADN->getTargetFlags()) 456 OS << " [TF=" << TF << ']'; 457 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { 458 OS << "<" << FIDN->getIndex() << ">"; 459 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { 460 OS << "<" << JTDN->getIndex() << ">"; 461 if (unsigned int TF = JTDN->getTargetFlags()) 462 OS << " [TF=" << TF << ']'; 463 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ 464 int offset = CP->getOffset(); 465 if (CP->isMachineConstantPoolEntry()) 466 OS << "<" << *CP->getMachineCPVal() << ">"; 467 else 468 OS << "<" << *CP->getConstVal() << ">"; 469 if (offset > 0) 470 OS << " + " << offset; 471 else 472 OS << " " << offset; 473 if (unsigned int TF = CP->getTargetFlags()) 474 OS << " [TF=" << TF << ']'; 475 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { 476 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; 477 if (unsigned TF = TI->getTargetFlags()) 478 OS << " [TF=" << TF << ']'; 479 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { 480 OS << "<"; 481 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); 482 if (LBB) 483 OS << LBB->getName() << " "; 484 OS << (const void*)BBDN->getBasicBlock() << ">"; 485 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { 486 OS << ' ' << PrintReg(R->getReg(), 487 G ? G->getSubtarget().getRegisterInfo() : nullptr); 488 } else if (const ExternalSymbolSDNode *ES = 489 dyn_cast<ExternalSymbolSDNode>(this)) { 490 OS << "'" << ES->getSymbol() << "'"; 491 if (unsigned int TF = ES->getTargetFlags()) 492 OS << " [TF=" << TF << ']'; 493 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { 494 if (M->getValue()) 495 OS << "<" << M->getValue() << ">"; 496 else 497 OS << "<null>"; 498 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { 499 if (MD->getMD()) 500 OS << "<" << MD->getMD() << ">"; 501 else 502 OS << "<null>"; 503 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { 504 OS << ":" << N->getVT().getEVTString(); 505 } 506 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { 507 OS << "<" << *LD->getMemOperand(); 508 509 bool doExt = true; 510 switch (LD->getExtensionType()) { 511 default: doExt = false; break; 512 case ISD::EXTLOAD: OS << ", anyext"; break; 513 case ISD::SEXTLOAD: OS << ", sext"; break; 514 case ISD::ZEXTLOAD: OS << ", zext"; break; 515 } 516 if (doExt) 517 OS << " from " << LD->getMemoryVT().getEVTString(); 518 519 const char *AM = getIndexedModeName(LD->getAddressingMode()); 520 if (*AM) 521 OS << ", " << AM; 522 523 OS << ">"; 524 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { 525 OS << "<" << *ST->getMemOperand(); 526 527 if (ST->isTruncatingStore()) 528 OS << ", trunc to " << ST->getMemoryVT().getEVTString(); 529 530 const char *AM = getIndexedModeName(ST->getAddressingMode()); 531 if (*AM) 532 OS << ", " << AM; 533 534 OS << ">"; 535 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { 536 OS << "<" << *M->getMemOperand() << ">"; 537 } else if (const BlockAddressSDNode *BA = 538 dyn_cast<BlockAddressSDNode>(this)) { 539 int64_t offset = BA->getOffset(); 540 OS << "<"; 541 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); 542 OS << ", "; 543 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); 544 OS << ">"; 545 if (offset > 0) 546 OS << " + " << offset; 547 else 548 OS << " " << offset; 549 if (unsigned int TF = BA->getTargetFlags()) 550 OS << " [TF=" << TF << ']'; 551 } else if (const AddrSpaceCastSDNode *ASC = 552 dyn_cast<AddrSpaceCastSDNode>(this)) { 553 OS << '[' 554 << ASC->getSrcAddressSpace() 555 << " -> " 556 << ASC->getDestAddressSpace() 557 << ']'; 558 } 559 560 if (VerboseDAGDumping) { 561 if (unsigned Order = getIROrder()) 562 OS << " [ORD=" << Order << ']'; 563 564 if (getNodeId() != -1) 565 OS << " [ID=" << getNodeId() << ']'; 566 567 if (!G) 568 return; 569 570 DILocation *L = getDebugLoc(); 571 if (!L) 572 return; 573 574 if (auto *Scope = L->getScope()) 575 OS << Scope->getFilename(); 576 else 577 OS << "<unknown>"; 578 OS << ':' << L->getLine(); 579 if (unsigned C = L->getColumn()) 580 OS << ':' << C; 581 } 582 } 583 584 /// Return true if this node is so simple that we should just print it inline 585 /// if it appears as an operand. 586 static bool shouldPrintInline(const SDNode &Node) { 587 if (Node.getOpcode() == ISD::EntryToken) 588 return false; 589 return Node.getNumOperands() == 0; 590 } 591 592 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { 593 for (const SDValue &Op : N->op_values()) { 594 if (shouldPrintInline(*Op.getNode())) 595 continue; 596 if (Op.getNode()->hasOneUse()) 597 DumpNodes(Op.getNode(), indent+2, G); 598 } 599 600 dbgs().indent(indent); 601 N->dump(G); 602 } 603 604 void SelectionDAG::dump() const { 605 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n"; 606 607 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); 608 I != E; ++I) { 609 const SDNode *N = &*I; 610 if (!N->hasOneUse() && N != getRoot().getNode() && 611 (!shouldPrintInline(*N) || N->use_empty())) 612 DumpNodes(N, 2, this); 613 } 614 615 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this); 616 dbgs() << "\n\n"; 617 } 618 619 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const { 620 OS << PrintNodeId(*this) << ": "; 621 print_types(OS, G); 622 OS << " = " << getOperationName(G); 623 print_details(OS, G); 624 } 625 626 static bool printOperand(raw_ostream &OS, const SelectionDAG *G, 627 const SDValue Value) { 628 if (shouldPrintInline(*Value.getNode())) { 629 OS << Value->getOperationName(G) << ':'; 630 Value->print_types(OS, G); 631 Value->print_details(OS, G); 632 return true; 633 } else { 634 OS << PrintNodeId(*Value.getNode()); 635 if (unsigned RN = Value.getResNo()) 636 OS << ':' << RN; 637 return false; 638 } 639 } 640 641 typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet; 642 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, 643 const SelectionDAG *G, VisitedSDNodeSet &once) { 644 if (!once.insert(N).second) // If we've been here before, return now. 645 return; 646 647 // Dump the current SDNode, but don't end the line yet. 648 OS.indent(indent); 649 N->printr(OS, G); 650 651 // Having printed this SDNode, walk the children: 652 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 653 if (i) OS << ","; 654 OS << " "; 655 656 const SDValue Op = N->getOperand(i); 657 bool printedInline = printOperand(OS, G, Op); 658 if (printedInline) 659 once.insert(Op.getNode()); 660 } 661 662 OS << "\n"; 663 664 // Dump children that have grandchildren on their own line(s). 665 for (const SDValue &Op : N->op_values()) 666 DumpNodesr(OS, Op.getNode(), indent+2, G, once); 667 } 668 669 void SDNode::dumpr() const { 670 VisitedSDNodeSet once; 671 DumpNodesr(dbgs(), this, 0, nullptr, once); 672 } 673 674 void SDNode::dumpr(const SelectionDAG *G) const { 675 VisitedSDNodeSet once; 676 DumpNodesr(dbgs(), this, 0, G, once); 677 } 678 679 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, 680 const SelectionDAG *G, unsigned depth, 681 unsigned indent) { 682 if (depth == 0) 683 return; 684 685 OS.indent(indent); 686 687 N->print(OS, G); 688 689 if (depth < 1) 690 return; 691 692 for (const SDValue &Op : N->op_values()) { 693 // Don't follow chain operands. 694 if (Op.getValueType() == MVT::Other) 695 continue; 696 OS << '\n'; 697 printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2); 698 } 699 } 700 701 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, 702 unsigned depth) const { 703 printrWithDepthHelper(OS, this, G, depth, 0); 704 } 705 706 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { 707 // Don't print impossibly deep things. 708 printrWithDepth(OS, G, 10); 709 } 710 711 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { 712 printrWithDepth(dbgs(), G, depth); 713 } 714 715 void SDNode::dumprFull(const SelectionDAG *G) const { 716 // Don't print impossibly deep things. 717 dumprWithDepth(G, 10); 718 } 719 720 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { 721 printr(OS, G); 722 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { 723 if (i) OS << ", "; else OS << " "; 724 printOperand(OS, G, getOperand(i)); 725 } 726 } 727