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/Printable.h" 26 #include "llvm/Support/raw_ostream.h" 27 #include "llvm/Target/TargetInstrInfo.h" 28 #include "llvm/Target/TargetIntrinsicInfo.h" 29 #include "llvm/Target/TargetMachine.h" 30 #include "llvm/Target/TargetRegisterInfo.h" 31 #include "llvm/Target/TargetSubtargetInfo.h" 32 using namespace llvm; 33 34 static cl::opt<bool> 35 VerboseDAGDumping("dag-dump-verbose", cl::Hidden, 36 cl::desc("Display more information when dumping selection " 37 "DAG nodes.")); 38 39 std::string SDNode::getOperationName(const SelectionDAG *G) const { 40 switch (getOpcode()) { 41 default: 42 if (getOpcode() < ISD::BUILTIN_OP_END) 43 return "<<Unknown DAG Node>>"; 44 if (isMachineOpcode()) { 45 if (G) 46 if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo()) 47 if (getMachineOpcode() < TII->getNumOpcodes()) 48 return TII->getName(getMachineOpcode()); 49 return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>"; 50 } 51 if (G) { 52 const TargetLowering &TLI = G->getTargetLoweringInfo(); 53 const char *Name = TLI.getTargetNodeName(getOpcode()); 54 if (Name) return Name; 55 return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>"; 56 } 57 return "<<Unknown Node #" + utostr(getOpcode()) + ">>"; 58 59 #ifndef NDEBUG 60 case ISD::DELETED_NODE: return "<<Deleted Node!>>"; 61 #endif 62 case ISD::PREFETCH: return "Prefetch"; 63 case ISD::ATOMIC_FENCE: return "AtomicFence"; 64 case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap"; 65 case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess"; 66 case ISD::ATOMIC_SWAP: return "AtomicSwap"; 67 case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd"; 68 case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub"; 69 case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd"; 70 case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr"; 71 case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor"; 72 case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand"; 73 case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin"; 74 case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax"; 75 case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin"; 76 case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax"; 77 case ISD::ATOMIC_LOAD: return "AtomicLoad"; 78 case ISD::ATOMIC_STORE: return "AtomicStore"; 79 case ISD::PCMARKER: return "PCMarker"; 80 case ISD::READCYCLECOUNTER: return "ReadCycleCounter"; 81 case ISD::SRCVALUE: return "SrcValue"; 82 case ISD::MDNODE_SDNODE: return "MDNode"; 83 case ISD::EntryToken: return "EntryToken"; 84 case ISD::TokenFactor: return "TokenFactor"; 85 case ISD::AssertSext: return "AssertSext"; 86 case ISD::AssertZext: return "AssertZext"; 87 88 case ISD::BasicBlock: return "BasicBlock"; 89 case ISD::VALUETYPE: return "ValueType"; 90 case ISD::Register: return "Register"; 91 case ISD::RegisterMask: return "RegisterMask"; 92 case ISD::Constant: 93 if (cast<ConstantSDNode>(this)->isOpaque()) 94 return "OpaqueConstant"; 95 return "Constant"; 96 case ISD::ConstantFP: return "ConstantFP"; 97 case ISD::GlobalAddress: return "GlobalAddress"; 98 case ISD::GlobalTLSAddress: return "GlobalTLSAddress"; 99 case ISD::FrameIndex: return "FrameIndex"; 100 case ISD::JumpTable: return "JumpTable"; 101 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE"; 102 case ISD::RETURNADDR: return "RETURNADDR"; 103 case ISD::FRAMEADDR: return "FRAMEADDR"; 104 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER"; 105 case ISD::READ_REGISTER: return "READ_REGISTER"; 106 case ISD::WRITE_REGISTER: return "WRITE_REGISTER"; 107 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET"; 108 case ISD::EH_RETURN: return "EH_RETURN"; 109 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP"; 110 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP"; 111 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH"; 112 case ISD::ConstantPool: return "ConstantPool"; 113 case ISD::TargetIndex: return "TargetIndex"; 114 case ISD::ExternalSymbol: return "ExternalSymbol"; 115 case ISD::BlockAddress: return "BlockAddress"; 116 case ISD::INTRINSIC_WO_CHAIN: 117 case ISD::INTRINSIC_VOID: 118 case ISD::INTRINSIC_W_CHAIN: { 119 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1; 120 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue(); 121 if (IID < Intrinsic::num_intrinsics) 122 return Intrinsic::getName((Intrinsic::ID)IID); 123 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo()) 124 return TII->getName(IID); 125 llvm_unreachable("Invalid intrinsic ID"); 126 } 127 128 case ISD::BUILD_VECTOR: return "BUILD_VECTOR"; 129 case ISD::TargetConstant: 130 if (cast<ConstantSDNode>(this)->isOpaque()) 131 return "OpaqueTargetConstant"; 132 return "TargetConstant"; 133 case ISD::TargetConstantFP: return "TargetConstantFP"; 134 case ISD::TargetGlobalAddress: return "TargetGlobalAddress"; 135 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress"; 136 case ISD::TargetFrameIndex: return "TargetFrameIndex"; 137 case ISD::TargetJumpTable: return "TargetJumpTable"; 138 case ISD::TargetConstantPool: return "TargetConstantPool"; 139 case ISD::TargetExternalSymbol: return "TargetExternalSymbol"; 140 case ISD::MCSymbol: return "MCSymbol"; 141 case ISD::TargetBlockAddress: return "TargetBlockAddress"; 142 143 case ISD::CopyToReg: return "CopyToReg"; 144 case ISD::CopyFromReg: return "CopyFromReg"; 145 case ISD::UNDEF: return "undef"; 146 case ISD::MERGE_VALUES: return "merge_values"; 147 case ISD::INLINEASM: return "inlineasm"; 148 case ISD::EH_LABEL: return "eh_label"; 149 case ISD::HANDLENODE: return "handlenode"; 150 151 // Unary operators 152 case ISD::FABS: return "fabs"; 153 case ISD::FMINNUM: return "fminnum"; 154 case ISD::FMAXNUM: return "fmaxnum"; 155 case ISD::FMINNAN: return "fminnan"; 156 case ISD::FMAXNAN: return "fmaxnan"; 157 case ISD::FNEG: return "fneg"; 158 case ISD::FSQRT: return "fsqrt"; 159 case ISD::FSIN: return "fsin"; 160 case ISD::FCOS: return "fcos"; 161 case ISD::FSINCOS: return "fsincos"; 162 case ISD::FTRUNC: return "ftrunc"; 163 case ISD::FFLOOR: return "ffloor"; 164 case ISD::FCEIL: return "fceil"; 165 case ISD::FRINT: return "frint"; 166 case ISD::FNEARBYINT: return "fnearbyint"; 167 case ISD::FROUND: return "fround"; 168 case ISD::FEXP: return "fexp"; 169 case ISD::FEXP2: return "fexp2"; 170 case ISD::FLOG: return "flog"; 171 case ISD::FLOG2: return "flog2"; 172 case ISD::FLOG10: return "flog10"; 173 174 // Binary operators 175 case ISD::ADD: return "add"; 176 case ISD::SUB: return "sub"; 177 case ISD::MUL: return "mul"; 178 case ISD::MULHU: return "mulhu"; 179 case ISD::MULHS: return "mulhs"; 180 case ISD::SDIV: return "sdiv"; 181 case ISD::UDIV: return "udiv"; 182 case ISD::SREM: return "srem"; 183 case ISD::UREM: return "urem"; 184 case ISD::SMUL_LOHI: return "smul_lohi"; 185 case ISD::UMUL_LOHI: return "umul_lohi"; 186 case ISD::SDIVREM: return "sdivrem"; 187 case ISD::UDIVREM: return "udivrem"; 188 case ISD::AND: return "and"; 189 case ISD::OR: return "or"; 190 case ISD::XOR: return "xor"; 191 case ISD::SHL: return "shl"; 192 case ISD::SRA: return "sra"; 193 case ISD::SRL: return "srl"; 194 case ISD::ROTL: return "rotl"; 195 case ISD::ROTR: return "rotr"; 196 case ISD::FADD: return "fadd"; 197 case ISD::FSUB: return "fsub"; 198 case ISD::FMUL: return "fmul"; 199 case ISD::FDIV: return "fdiv"; 200 case ISD::FMA: return "fma"; 201 case ISD::FMAD: return "fmad"; 202 case ISD::FREM: return "frem"; 203 case ISD::FCOPYSIGN: return "fcopysign"; 204 case ISD::FGETSIGN: return "fgetsign"; 205 case ISD::FPOW: return "fpow"; 206 case ISD::SMIN: return "smin"; 207 case ISD::SMAX: return "smax"; 208 case ISD::UMIN: return "umin"; 209 case ISD::UMAX: return "umax"; 210 211 case ISD::FPOWI: return "fpowi"; 212 case ISD::SETCC: return "setcc"; 213 case ISD::SETCCE: return "setcce"; 214 case ISD::SELECT: return "select"; 215 case ISD::VSELECT: return "vselect"; 216 case ISD::SELECT_CC: return "select_cc"; 217 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt"; 218 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt"; 219 case ISD::CONCAT_VECTORS: return "concat_vectors"; 220 case ISD::INSERT_SUBVECTOR: return "insert_subvector"; 221 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector"; 222 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector"; 223 case ISD::VECTOR_SHUFFLE: return "vector_shuffle"; 224 case ISD::CARRY_FALSE: return "carry_false"; 225 case ISD::ADDC: return "addc"; 226 case ISD::ADDE: return "adde"; 227 case ISD::SADDO: return "saddo"; 228 case ISD::UADDO: return "uaddo"; 229 case ISD::SSUBO: return "ssubo"; 230 case ISD::USUBO: return "usubo"; 231 case ISD::SMULO: return "smulo"; 232 case ISD::UMULO: return "umulo"; 233 case ISD::SUBC: return "subc"; 234 case ISD::SUBE: return "sube"; 235 case ISD::SHL_PARTS: return "shl_parts"; 236 case ISD::SRA_PARTS: return "sra_parts"; 237 case ISD::SRL_PARTS: return "srl_parts"; 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 case ISD::GET_DYNAMIC_AREA_OFFSET: return "get.dynamic.area.offset"; 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 static Printable PrintNodeId(const SDNode &Node) { 372 return Printable([&Node](raw_ostream &OS) { 373 #ifndef NDEBUG 374 OS << 't' << Node.PersistentId; 375 #else 376 OS << (const void*)&Node; 377 #endif 378 }); 379 } 380 381 void SDNode::dump() const { dump(nullptr); } 382 void SDNode::dump(const SelectionDAG *G) const { 383 print(dbgs(), G); 384 dbgs() << '\n'; 385 } 386 387 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { 388 for (unsigned i = 0, e = getNumValues(); i != e; ++i) { 389 if (i) OS << ","; 390 if (getValueType(i) == MVT::Other) 391 OS << "ch"; 392 else 393 OS << getValueType(i).getEVTString(); 394 } 395 } 396 397 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { 398 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { 399 if (!MN->memoperands_empty()) { 400 OS << "<"; 401 OS << "Mem:"; 402 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), 403 e = MN->memoperands_end(); i != e; ++i) { 404 OS << **i; 405 if (std::next(i) != e) 406 OS << " "; 407 } 408 OS << ">"; 409 } 410 } else if (const ShuffleVectorSDNode *SVN = 411 dyn_cast<ShuffleVectorSDNode>(this)) { 412 OS << "<"; 413 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { 414 int Idx = SVN->getMaskElt(i); 415 if (i) OS << ","; 416 if (Idx < 0) 417 OS << "u"; 418 else 419 OS << Idx; 420 } 421 OS << ">"; 422 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { 423 OS << '<' << CSDN->getAPIntValue() << '>'; 424 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { 425 if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle) 426 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; 427 else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble) 428 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; 429 else { 430 OS << "<APFloat("; 431 CSDN->getValueAPF().bitcastToAPInt().dump(); 432 OS << ")>"; 433 } 434 } else if (const GlobalAddressSDNode *GADN = 435 dyn_cast<GlobalAddressSDNode>(this)) { 436 int64_t offset = GADN->getOffset(); 437 OS << '<'; 438 GADN->getGlobal()->printAsOperand(OS); 439 OS << '>'; 440 if (offset > 0) 441 OS << " + " << offset; 442 else 443 OS << " " << offset; 444 if (unsigned int TF = GADN->getTargetFlags()) 445 OS << " [TF=" << TF << ']'; 446 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { 447 OS << "<" << FIDN->getIndex() << ">"; 448 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { 449 OS << "<" << JTDN->getIndex() << ">"; 450 if (unsigned int TF = JTDN->getTargetFlags()) 451 OS << " [TF=" << TF << ']'; 452 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ 453 int offset = CP->getOffset(); 454 if (CP->isMachineConstantPoolEntry()) 455 OS << "<" << *CP->getMachineCPVal() << ">"; 456 else 457 OS << "<" << *CP->getConstVal() << ">"; 458 if (offset > 0) 459 OS << " + " << offset; 460 else 461 OS << " " << offset; 462 if (unsigned int TF = CP->getTargetFlags()) 463 OS << " [TF=" << TF << ']'; 464 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { 465 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; 466 if (unsigned TF = TI->getTargetFlags()) 467 OS << " [TF=" << TF << ']'; 468 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { 469 OS << "<"; 470 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); 471 if (LBB) 472 OS << LBB->getName() << " "; 473 OS << (const void*)BBDN->getBasicBlock() << ">"; 474 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { 475 OS << ' ' << PrintReg(R->getReg(), 476 G ? G->getSubtarget().getRegisterInfo() : nullptr); 477 } else if (const ExternalSymbolSDNode *ES = 478 dyn_cast<ExternalSymbolSDNode>(this)) { 479 OS << "'" << ES->getSymbol() << "'"; 480 if (unsigned int TF = ES->getTargetFlags()) 481 OS << " [TF=" << TF << ']'; 482 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { 483 if (M->getValue()) 484 OS << "<" << M->getValue() << ">"; 485 else 486 OS << "<null>"; 487 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { 488 if (MD->getMD()) 489 OS << "<" << MD->getMD() << ">"; 490 else 491 OS << "<null>"; 492 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { 493 OS << ":" << N->getVT().getEVTString(); 494 } 495 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { 496 OS << "<" << *LD->getMemOperand(); 497 498 bool doExt = true; 499 switch (LD->getExtensionType()) { 500 default: doExt = false; break; 501 case ISD::EXTLOAD: OS << ", anyext"; break; 502 case ISD::SEXTLOAD: OS << ", sext"; break; 503 case ISD::ZEXTLOAD: OS << ", zext"; break; 504 } 505 if (doExt) 506 OS << " from " << LD->getMemoryVT().getEVTString(); 507 508 const char *AM = getIndexedModeName(LD->getAddressingMode()); 509 if (*AM) 510 OS << ", " << AM; 511 512 OS << ">"; 513 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { 514 OS << "<" << *ST->getMemOperand(); 515 516 if (ST->isTruncatingStore()) 517 OS << ", trunc to " << ST->getMemoryVT().getEVTString(); 518 519 const char *AM = getIndexedModeName(ST->getAddressingMode()); 520 if (*AM) 521 OS << ", " << AM; 522 523 OS << ">"; 524 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { 525 OS << "<" << *M->getMemOperand() << ">"; 526 } else if (const BlockAddressSDNode *BA = 527 dyn_cast<BlockAddressSDNode>(this)) { 528 int64_t offset = BA->getOffset(); 529 OS << "<"; 530 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); 531 OS << ", "; 532 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); 533 OS << ">"; 534 if (offset > 0) 535 OS << " + " << offset; 536 else 537 OS << " " << offset; 538 if (unsigned int TF = BA->getTargetFlags()) 539 OS << " [TF=" << TF << ']'; 540 } else if (const AddrSpaceCastSDNode *ASC = 541 dyn_cast<AddrSpaceCastSDNode>(this)) { 542 OS << '[' 543 << ASC->getSrcAddressSpace() 544 << " -> " 545 << ASC->getDestAddressSpace() 546 << ']'; 547 } 548 549 if (VerboseDAGDumping) { 550 if (unsigned Order = getIROrder()) 551 OS << " [ORD=" << Order << ']'; 552 553 if (getNodeId() != -1) 554 OS << " [ID=" << getNodeId() << ']'; 555 556 if (!G) 557 return; 558 559 DILocation *L = getDebugLoc(); 560 if (!L) 561 return; 562 563 if (auto *Scope = L->getScope()) 564 OS << Scope->getFilename(); 565 else 566 OS << "<unknown>"; 567 OS << ':' << L->getLine(); 568 if (unsigned C = L->getColumn()) 569 OS << ':' << C; 570 } 571 } 572 573 /// Return true if this node is so simple that we should just print it inline 574 /// if it appears as an operand. 575 static bool shouldPrintInline(const SDNode &Node) { 576 if (Node.getOpcode() == ISD::EntryToken) 577 return false; 578 return Node.getNumOperands() == 0; 579 } 580 581 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { 582 for (const SDValue &Op : N->op_values()) { 583 if (shouldPrintInline(*Op.getNode())) 584 continue; 585 if (Op.getNode()->hasOneUse()) 586 DumpNodes(Op.getNode(), indent+2, G); 587 } 588 589 dbgs().indent(indent); 590 N->dump(G); 591 } 592 593 void SelectionDAG::dump() const { 594 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n"; 595 596 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); 597 I != E; ++I) { 598 const SDNode *N = &*I; 599 if (!N->hasOneUse() && N != getRoot().getNode() && 600 (!shouldPrintInline(*N) || N->use_empty())) 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 OS << PrintNodeId(*this) << ": "; 610 print_types(OS, G); 611 OS << " = " << getOperationName(G); 612 print_details(OS, G); 613 } 614 615 static bool printOperand(raw_ostream &OS, const SelectionDAG *G, 616 const SDValue Value) { 617 if (!Value.getNode()) { 618 OS << "<null>"; 619 return false; 620 } else if (shouldPrintInline(*Value.getNode())) { 621 OS << Value->getOperationName(G) << ':'; 622 Value->print_types(OS, G); 623 Value->print_details(OS, G); 624 return true; 625 } else { 626 OS << PrintNodeId(*Value.getNode()); 627 if (unsigned RN = Value.getResNo()) 628 OS << ':' << RN; 629 return false; 630 } 631 } 632 633 typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet; 634 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, 635 const SelectionDAG *G, VisitedSDNodeSet &once) { 636 if (!once.insert(N).second) // If we've been here before, return now. 637 return; 638 639 // Dump the current SDNode, but don't end the line yet. 640 OS.indent(indent); 641 N->printr(OS, G); 642 643 // Having printed this SDNode, walk the children: 644 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 645 if (i) OS << ","; 646 OS << " "; 647 648 const SDValue Op = N->getOperand(i); 649 bool printedInline = printOperand(OS, G, Op); 650 if (printedInline) 651 once.insert(Op.getNode()); 652 } 653 654 OS << "\n"; 655 656 // Dump children that have grandchildren on their own line(s). 657 for (const SDValue &Op : N->op_values()) 658 DumpNodesr(OS, Op.getNode(), indent+2, G, once); 659 } 660 661 void SDNode::dumpr() const { 662 VisitedSDNodeSet once; 663 DumpNodesr(dbgs(), this, 0, nullptr, once); 664 } 665 666 void SDNode::dumpr(const SelectionDAG *G) const { 667 VisitedSDNodeSet once; 668 DumpNodesr(dbgs(), this, 0, G, once); 669 } 670 671 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, 672 const SelectionDAG *G, unsigned depth, 673 unsigned indent) { 674 if (depth == 0) 675 return; 676 677 OS.indent(indent); 678 679 N->print(OS, G); 680 681 if (depth < 1) 682 return; 683 684 for (const SDValue &Op : N->op_values()) { 685 // Don't follow chain operands. 686 if (Op.getValueType() == MVT::Other) 687 continue; 688 OS << '\n'; 689 printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2); 690 } 691 } 692 693 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, 694 unsigned depth) const { 695 printrWithDepthHelper(OS, this, G, depth, 0); 696 } 697 698 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { 699 // Don't print impossibly deep things. 700 printrWithDepth(OS, G, 10); 701 } 702 703 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { 704 printrWithDepth(dbgs(), G, depth); 705 } 706 707 void SDNode::dumprFull(const SelectionDAG *G) const { 708 // Don't print impossibly deep things. 709 dumprWithDepth(G, 10); 710 } 711 712 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { 713 printr(OS, G); 714 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { 715 if (i) OS << ", "; else OS << " "; 716 printOperand(OS, G, getOperand(i)); 717 } 718 } 719
