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::SELECT: return "select"; 213 case ISD::VSELECT: return "vselect"; 214 case ISD::SELECT_CC: return "select_cc"; 215 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt"; 216 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt"; 217 case ISD::CONCAT_VECTORS: return "concat_vectors"; 218 case ISD::INSERT_SUBVECTOR: return "insert_subvector"; 219 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector"; 220 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector"; 221 case ISD::VECTOR_SHUFFLE: return "vector_shuffle"; 222 case ISD::CARRY_FALSE: return "carry_false"; 223 case ISD::ADDC: return "addc"; 224 case ISD::ADDE: return "adde"; 225 case ISD::SADDO: return "saddo"; 226 case ISD::UADDO: return "uaddo"; 227 case ISD::SSUBO: return "ssubo"; 228 case ISD::USUBO: return "usubo"; 229 case ISD::SMULO: return "smulo"; 230 case ISD::UMULO: return "umulo"; 231 case ISD::SUBC: return "subc"; 232 case ISD::SUBE: return "sube"; 233 case ISD::SHL_PARTS: return "shl_parts"; 234 case ISD::SRA_PARTS: return "sra_parts"; 235 case ISD::SRL_PARTS: return "srl_parts"; 236 case ISD::UABSDIFF: return "uabsdiff"; 237 case ISD::SABSDIFF: return "sabsdiff"; 238 239 // Conversion operators. 240 case ISD::SIGN_EXTEND: return "sign_extend"; 241 case ISD::ZERO_EXTEND: return "zero_extend"; 242 case ISD::ANY_EXTEND: return "any_extend"; 243 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg"; 244 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg"; 245 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg"; 246 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg"; 247 case ISD::TRUNCATE: return "truncate"; 248 case ISD::FP_ROUND: return "fp_round"; 249 case ISD::FLT_ROUNDS_: return "flt_rounds"; 250 case ISD::FP_ROUND_INREG: return "fp_round_inreg"; 251 case ISD::FP_EXTEND: return "fp_extend"; 252 253 case ISD::SINT_TO_FP: return "sint_to_fp"; 254 case ISD::UINT_TO_FP: return "uint_to_fp"; 255 case ISD::FP_TO_SINT: return "fp_to_sint"; 256 case ISD::FP_TO_UINT: return "fp_to_uint"; 257 case ISD::BITCAST: return "bitcast"; 258 case ISD::ADDRSPACECAST: return "addrspacecast"; 259 case ISD::FP16_TO_FP: return "fp16_to_fp"; 260 case ISD::FP_TO_FP16: return "fp_to_fp16"; 261 262 case ISD::CONVERT_RNDSAT: { 263 switch (cast<CvtRndSatSDNode>(this)->getCvtCode()) { 264 default: llvm_unreachable("Unknown cvt code!"); 265 case ISD::CVT_FF: return "cvt_ff"; 266 case ISD::CVT_FS: return "cvt_fs"; 267 case ISD::CVT_FU: return "cvt_fu"; 268 case ISD::CVT_SF: return "cvt_sf"; 269 case ISD::CVT_UF: return "cvt_uf"; 270 case ISD::CVT_SS: return "cvt_ss"; 271 case ISD::CVT_SU: return "cvt_su"; 272 case ISD::CVT_US: return "cvt_us"; 273 case ISD::CVT_UU: return "cvt_uu"; 274 } 275 } 276 277 // Control flow instructions 278 case ISD::BR: return "br"; 279 case ISD::BRIND: return "brind"; 280 case ISD::BR_JT: return "br_jt"; 281 case ISD::BRCOND: return "brcond"; 282 case ISD::BR_CC: return "br_cc"; 283 case ISD::CALLSEQ_START: return "callseq_start"; 284 case ISD::CALLSEQ_END: return "callseq_end"; 285 286 // EH instructions 287 case ISD::CATCHRET: return "catchret"; 288 case ISD::CLEANUPRET: return "cleanupret"; 289 290 // Other operators 291 case ISD::LOAD: return "load"; 292 case ISD::STORE: return "store"; 293 case ISD::MLOAD: return "masked_load"; 294 case ISD::MSTORE: return "masked_store"; 295 case ISD::MGATHER: return "masked_gather"; 296 case ISD::MSCATTER: return "masked_scatter"; 297 case ISD::VAARG: return "vaarg"; 298 case ISD::VACOPY: return "vacopy"; 299 case ISD::VAEND: return "vaend"; 300 case ISD::VASTART: return "vastart"; 301 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc"; 302 case ISD::EXTRACT_ELEMENT: return "extract_element"; 303 case ISD::BUILD_PAIR: return "build_pair"; 304 case ISD::STACKSAVE: return "stacksave"; 305 case ISD::STACKRESTORE: return "stackrestore"; 306 case ISD::TRAP: return "trap"; 307 case ISD::DEBUGTRAP: return "debugtrap"; 308 case ISD::LIFETIME_START: return "lifetime.start"; 309 case ISD::LIFETIME_END: return "lifetime.end"; 310 case ISD::GC_TRANSITION_START: return "gc_transition.start"; 311 case ISD::GC_TRANSITION_END: return "gc_transition.end"; 312 313 // Bit manipulation 314 case ISD::BSWAP: return "bswap"; 315 case ISD::CTPOP: return "ctpop"; 316 case ISD::CTTZ: return "cttz"; 317 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef"; 318 case ISD::CTLZ: return "ctlz"; 319 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef"; 320 321 // Trampolines 322 case ISD::INIT_TRAMPOLINE: return "init_trampoline"; 323 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline"; 324 325 case ISD::CONDCODE: 326 switch (cast<CondCodeSDNode>(this)->get()) { 327 default: llvm_unreachable("Unknown setcc condition!"); 328 case ISD::SETOEQ: return "setoeq"; 329 case ISD::SETOGT: return "setogt"; 330 case ISD::SETOGE: return "setoge"; 331 case ISD::SETOLT: return "setolt"; 332 case ISD::SETOLE: return "setole"; 333 case ISD::SETONE: return "setone"; 334 335 case ISD::SETO: return "seto"; 336 case ISD::SETUO: return "setuo"; 337 case ISD::SETUEQ: return "setueq"; 338 case ISD::SETUGT: return "setugt"; 339 case ISD::SETUGE: return "setuge"; 340 case ISD::SETULT: return "setult"; 341 case ISD::SETULE: return "setule"; 342 case ISD::SETUNE: return "setune"; 343 344 case ISD::SETEQ: return "seteq"; 345 case ISD::SETGT: return "setgt"; 346 case ISD::SETGE: return "setge"; 347 case ISD::SETLT: return "setlt"; 348 case ISD::SETLE: return "setle"; 349 case ISD::SETNE: return "setne"; 350 351 case ISD::SETTRUE: return "settrue"; 352 case ISD::SETTRUE2: return "settrue2"; 353 case ISD::SETFALSE: return "setfalse"; 354 case ISD::SETFALSE2: return "setfalse2"; 355 } 356 } 357 } 358 359 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) { 360 switch (AM) { 361 default: return ""; 362 case ISD::PRE_INC: return "<pre-inc>"; 363 case ISD::PRE_DEC: return "<pre-dec>"; 364 case ISD::POST_INC: return "<post-inc>"; 365 case ISD::POST_DEC: return "<post-dec>"; 366 } 367 } 368 369 namespace { 370 class PrintNodeId { 371 const SDNode &Node; 372 public: 373 explicit PrintNodeId(const SDNode &Node) 374 : Node(Node) {} 375 void print(raw_ostream &OS) const { 376 #ifndef NDEBUG 377 OS << 't' << Node.PersistentId; 378 #else 379 OS << (const void*)&Node; 380 #endif 381 } 382 }; 383 384 static inline raw_ostream &operator<<(raw_ostream &OS, const PrintNodeId &P) { 385 P.print(OS); 386 return OS; 387 } 388 } 389 390 void SDNode::dump() const { dump(nullptr); } 391 void SDNode::dump(const SelectionDAG *G) const { 392 print(dbgs(), G); 393 dbgs() << '\n'; 394 } 395 396 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { 397 OS << PrintNodeId(*this) << ": "; 398 399 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 OS << " = " << getOperationName(G); 407 } 408 409 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { 410 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { 411 if (!MN->memoperands_empty()) { 412 OS << "<"; 413 OS << "Mem:"; 414 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), 415 e = MN->memoperands_end(); i != e; ++i) { 416 OS << **i; 417 if (std::next(i) != e) 418 OS << " "; 419 } 420 OS << ">"; 421 } 422 } else if (const ShuffleVectorSDNode *SVN = 423 dyn_cast<ShuffleVectorSDNode>(this)) { 424 OS << "<"; 425 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { 426 int Idx = SVN->getMaskElt(i); 427 if (i) OS << ","; 428 if (Idx < 0) 429 OS << "u"; 430 else 431 OS << Idx; 432 } 433 OS << ">"; 434 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { 435 OS << '<' << CSDN->getAPIntValue() << '>'; 436 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { 437 if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle) 438 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; 439 else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble) 440 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; 441 else { 442 OS << "<APFloat("; 443 CSDN->getValueAPF().bitcastToAPInt().dump(); 444 OS << ")>"; 445 } 446 } else if (const GlobalAddressSDNode *GADN = 447 dyn_cast<GlobalAddressSDNode>(this)) { 448 int64_t offset = GADN->getOffset(); 449 OS << '<'; 450 GADN->getGlobal()->printAsOperand(OS); 451 OS << '>'; 452 if (offset > 0) 453 OS << " + " << offset; 454 else 455 OS << " " << offset; 456 if (unsigned int TF = GADN->getTargetFlags()) 457 OS << " [TF=" << TF << ']'; 458 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { 459 OS << "<" << FIDN->getIndex() << ">"; 460 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { 461 OS << "<" << JTDN->getIndex() << ">"; 462 if (unsigned int TF = JTDN->getTargetFlags()) 463 OS << " [TF=" << TF << ']'; 464 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ 465 int offset = CP->getOffset(); 466 if (CP->isMachineConstantPoolEntry()) 467 OS << "<" << *CP->getMachineCPVal() << ">"; 468 else 469 OS << "<" << *CP->getConstVal() << ">"; 470 if (offset > 0) 471 OS << " + " << offset; 472 else 473 OS << " " << offset; 474 if (unsigned int TF = CP->getTargetFlags()) 475 OS << " [TF=" << TF << ']'; 476 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { 477 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; 478 if (unsigned TF = TI->getTargetFlags()) 479 OS << " [TF=" << TF << ']'; 480 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { 481 OS << "<"; 482 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); 483 if (LBB) 484 OS << LBB->getName() << " "; 485 OS << (const void*)BBDN->getBasicBlock() << ">"; 486 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { 487 OS << ' ' << PrintReg(R->getReg(), 488 G ? G->getSubtarget().getRegisterInfo() : nullptr); 489 } else if (const ExternalSymbolSDNode *ES = 490 dyn_cast<ExternalSymbolSDNode>(this)) { 491 OS << "'" << ES->getSymbol() << "'"; 492 if (unsigned int TF = ES->getTargetFlags()) 493 OS << " [TF=" << TF << ']'; 494 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { 495 if (M->getValue()) 496 OS << "<" << M->getValue() << ">"; 497 else 498 OS << "<null>"; 499 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { 500 if (MD->getMD()) 501 OS << "<" << MD->getMD() << ">"; 502 else 503 OS << "<null>"; 504 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { 505 OS << ":" << N->getVT().getEVTString(); 506 } 507 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { 508 OS << "<" << *LD->getMemOperand(); 509 510 bool doExt = true; 511 switch (LD->getExtensionType()) { 512 default: doExt = false; break; 513 case ISD::EXTLOAD: OS << ", anyext"; break; 514 case ISD::SEXTLOAD: OS << ", sext"; break; 515 case ISD::ZEXTLOAD: OS << ", zext"; break; 516 } 517 if (doExt) 518 OS << " from " << LD->getMemoryVT().getEVTString(); 519 520 const char *AM = getIndexedModeName(LD->getAddressingMode()); 521 if (*AM) 522 OS << ", " << AM; 523 524 OS << ">"; 525 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { 526 OS << "<" << *ST->getMemOperand(); 527 528 if (ST->isTruncatingStore()) 529 OS << ", trunc to " << ST->getMemoryVT().getEVTString(); 530 531 const char *AM = getIndexedModeName(ST->getAddressingMode()); 532 if (*AM) 533 OS << ", " << AM; 534 535 OS << ">"; 536 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { 537 OS << "<" << *M->getMemOperand() << ">"; 538 } else if (const BlockAddressSDNode *BA = 539 dyn_cast<BlockAddressSDNode>(this)) { 540 int64_t offset = BA->getOffset(); 541 OS << "<"; 542 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); 543 OS << ", "; 544 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); 545 OS << ">"; 546 if (offset > 0) 547 OS << " + " << offset; 548 else 549 OS << " " << offset; 550 if (unsigned int TF = BA->getTargetFlags()) 551 OS << " [TF=" << TF << ']'; 552 } else if (const AddrSpaceCastSDNode *ASC = 553 dyn_cast<AddrSpaceCastSDNode>(this)) { 554 OS << '[' 555 << ASC->getSrcAddressSpace() 556 << " -> " 557 << ASC->getDestAddressSpace() 558 << ']'; 559 } 560 561 if (VerboseDAGDumping) { 562 if (unsigned Order = getIROrder()) 563 OS << " [ORD=" << Order << ']'; 564 565 if (getNodeId() != -1) 566 OS << " [ID=" << getNodeId() << ']'; 567 568 if (!G) 569 return; 570 571 DILocation *L = getDebugLoc(); 572 if (!L) 573 return; 574 575 if (auto *Scope = L->getScope()) 576 OS << Scope->getFilename(); 577 else 578 OS << "<unknown>"; 579 OS << ':' << L->getLine(); 580 if (unsigned C = L->getColumn()) 581 OS << ':' << C; 582 } 583 } 584 585 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { 586 for (const SDValue &Op : N->op_values()) 587 if (Op.getNode()->hasOneUse()) 588 DumpNodes(Op.getNode(), indent+2, G); 589 590 dbgs().indent(indent); 591 N->dump(G); 592 } 593 594 void SelectionDAG::dump() const { 595 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n"; 596 597 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); 598 I != E; ++I) { 599 const SDNode *N = I; 600 if (!N->hasOneUse() && N != getRoot().getNode()) 601 DumpNodes(N, 2, this); 602 } 603 604 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this); 605 dbgs() << "\n\n"; 606 } 607 608 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const { 609 print_types(OS, G); 610 print_details(OS, G); 611 } 612 613 typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet; 614 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, 615 const SelectionDAG *G, VisitedSDNodeSet &once) { 616 if (!once.insert(N).second) // If we've been here before, return now. 617 return; 618 619 // Dump the current SDNode, but don't end the line yet. 620 OS.indent(indent); 621 N->printr(OS, G); 622 623 // Having printed this SDNode, walk the children: 624 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 625 const SDNode *child = N->getOperand(i).getNode(); 626 627 if (i) OS << ","; 628 OS << " "; 629 630 if (child->getNumOperands() == 0) { 631 // This child has no grandchildren; print it inline right here. 632 child->printr(OS, G); 633 once.insert(child); 634 } else { // Just the address. FIXME: also print the child's opcode. 635 OS << (const void*)child; 636 if (unsigned RN = N->getOperand(i).getResNo()) 637 OS << ":" << RN; 638 } 639 } 640 641 OS << "\n"; 642 643 // Dump children that have grandchildren on their own line(s). 644 for (const SDValue &Op : N->op_values()) 645 DumpNodesr(OS, Op.getNode(), indent+2, G, once); 646 } 647 648 void SDNode::dumpr() const { 649 VisitedSDNodeSet once; 650 DumpNodesr(dbgs(), this, 0, nullptr, once); 651 } 652 653 void SDNode::dumpr(const SelectionDAG *G) const { 654 VisitedSDNodeSet once; 655 DumpNodesr(dbgs(), this, 0, G, once); 656 } 657 658 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, 659 const SelectionDAG *G, unsigned depth, 660 unsigned indent) { 661 if (depth == 0) 662 return; 663 664 OS.indent(indent); 665 666 N->print(OS, G); 667 668 if (depth < 1) 669 return; 670 671 for (const SDValue &Op : N->op_values()) { 672 // Don't follow chain operands. 673 if (Op.getValueType() == MVT::Other) 674 continue; 675 OS << '\n'; 676 printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2); 677 } 678 } 679 680 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, 681 unsigned depth) const { 682 printrWithDepthHelper(OS, this, G, depth, 0); 683 } 684 685 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { 686 // Don't print impossibly deep things. 687 printrWithDepth(OS, G, 10); 688 } 689 690 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { 691 printrWithDepth(dbgs(), G, depth); 692 } 693 694 void SDNode::dumprFull(const SelectionDAG *G) const { 695 // Don't print impossibly deep things. 696 dumprWithDepth(G, 10); 697 } 698 699 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { 700 print_types(OS, G); 701 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { 702 if (i) OS << ", "; else OS << " "; 703 const SDValue Operand = getOperand(i); 704 OS << PrintNodeId(*Operand.getNode()); 705 if (unsigned RN = Operand.getResNo()) 706 OS << ":" << RN; 707 } 708 print_details(OS, G); 709 } 710