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/ADT/APFloat.h" 15 #include "llvm/ADT/APInt.h" 16 #include "llvm/ADT/None.h" 17 #include "llvm/ADT/SmallPtrSet.h" 18 #include "llvm/ADT/StringExtras.h" 19 #include "llvm/CodeGen/ISDOpcodes.h" 20 #include "llvm/CodeGen/MachineBasicBlock.h" 21 #include "llvm/CodeGen/MachineConstantPool.h" 22 #include "llvm/CodeGen/MachineMemOperand.h" 23 #include "llvm/CodeGen/MachineValueType.h" 24 #include "llvm/CodeGen/SelectionDAG.h" 25 #include "llvm/CodeGen/SelectionDAGNodes.h" 26 #include "llvm/CodeGen/TargetInstrInfo.h" 27 #include "llvm/CodeGen/TargetLowering.h" 28 #include "llvm/CodeGen/TargetRegisterInfo.h" 29 #include "llvm/CodeGen/TargetSubtargetInfo.h" 30 #include "llvm/CodeGen/ValueTypes.h" 31 #include "llvm/IR/BasicBlock.h" 32 #include "llvm/IR/Constants.h" 33 #include "llvm/IR/DebugInfoMetadata.h" 34 #include "llvm/IR/DebugLoc.h" 35 #include "llvm/IR/Function.h" 36 #include "llvm/IR/Intrinsics.h" 37 #include "llvm/IR/Value.h" 38 #include "llvm/Support/Casting.h" 39 #include "llvm/Support/CommandLine.h" 40 #include "llvm/Support/Compiler.h" 41 #include "llvm/Support/Debug.h" 42 #include "llvm/Support/ErrorHandling.h" 43 #include "llvm/Support/Printable.h" 44 #include "llvm/Support/raw_ostream.h" 45 #include "llvm/Target/TargetIntrinsicInfo.h" 46 #include "llvm/Target/TargetMachine.h" 47 #include <cstdint> 48 #include <iterator> 49 50 using namespace llvm; 51 52 static cl::opt<bool> 53 VerboseDAGDumping("dag-dump-verbose", cl::Hidden, 54 cl::desc("Display more information when dumping selection " 55 "DAG nodes.")); 56 57 std::string SDNode::getOperationName(const SelectionDAG *G) const { 58 switch (getOpcode()) { 59 default: 60 if (getOpcode() < ISD::BUILTIN_OP_END) 61 return "<<Unknown DAG Node>>"; 62 if (isMachineOpcode()) { 63 if (G) 64 if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo()) 65 if (getMachineOpcode() < TII->getNumOpcodes()) 66 return TII->getName(getMachineOpcode()); 67 return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>"; 68 } 69 if (G) { 70 const TargetLowering &TLI = G->getTargetLoweringInfo(); 71 const char *Name = TLI.getTargetNodeName(getOpcode()); 72 if (Name) return Name; 73 return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>"; 74 } 75 return "<<Unknown Node #" + utostr(getOpcode()) + ">>"; 76 77 #ifndef NDEBUG 78 case ISD::DELETED_NODE: return "<<Deleted Node!>>"; 79 #endif 80 case ISD::PREFETCH: return "Prefetch"; 81 case ISD::ATOMIC_FENCE: return "AtomicFence"; 82 case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap"; 83 case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess"; 84 case ISD::ATOMIC_SWAP: return "AtomicSwap"; 85 case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd"; 86 case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub"; 87 case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd"; 88 case ISD::ATOMIC_LOAD_CLR: return "AtomicLoadClr"; 89 case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr"; 90 case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor"; 91 case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand"; 92 case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin"; 93 case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax"; 94 case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin"; 95 case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax"; 96 case ISD::ATOMIC_LOAD: return "AtomicLoad"; 97 case ISD::ATOMIC_STORE: return "AtomicStore"; 98 case ISD::PCMARKER: return "PCMarker"; 99 case ISD::READCYCLECOUNTER: return "ReadCycleCounter"; 100 case ISD::SRCVALUE: return "SrcValue"; 101 case ISD::MDNODE_SDNODE: return "MDNode"; 102 case ISD::EntryToken: return "EntryToken"; 103 case ISD::TokenFactor: return "TokenFactor"; 104 case ISD::AssertSext: return "AssertSext"; 105 case ISD::AssertZext: return "AssertZext"; 106 107 case ISD::BasicBlock: return "BasicBlock"; 108 case ISD::VALUETYPE: return "ValueType"; 109 case ISD::Register: return "Register"; 110 case ISD::RegisterMask: return "RegisterMask"; 111 case ISD::Constant: 112 if (cast<ConstantSDNode>(this)->isOpaque()) 113 return "OpaqueConstant"; 114 return "Constant"; 115 case ISD::ConstantFP: return "ConstantFP"; 116 case ISD::GlobalAddress: return "GlobalAddress"; 117 case ISD::GlobalTLSAddress: return "GlobalTLSAddress"; 118 case ISD::FrameIndex: return "FrameIndex"; 119 case ISD::JumpTable: return "JumpTable"; 120 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE"; 121 case ISD::RETURNADDR: return "RETURNADDR"; 122 case ISD::ADDROFRETURNADDR: return "ADDROFRETURNADDR"; 123 case ISD::FRAMEADDR: return "FRAMEADDR"; 124 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER"; 125 case ISD::READ_REGISTER: return "READ_REGISTER"; 126 case ISD::WRITE_REGISTER: return "WRITE_REGISTER"; 127 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET"; 128 case ISD::EH_DWARF_CFA: return "EH_DWARF_CFA"; 129 case ISD::EH_RETURN: return "EH_RETURN"; 130 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP"; 131 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP"; 132 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH"; 133 case ISD::ConstantPool: return "ConstantPool"; 134 case ISD::TargetIndex: return "TargetIndex"; 135 case ISD::ExternalSymbol: return "ExternalSymbol"; 136 case ISD::BlockAddress: return "BlockAddress"; 137 case ISD::INTRINSIC_WO_CHAIN: 138 case ISD::INTRINSIC_VOID: 139 case ISD::INTRINSIC_W_CHAIN: { 140 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1; 141 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue(); 142 if (IID < Intrinsic::num_intrinsics) 143 return Intrinsic::getName((Intrinsic::ID)IID, None); 144 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo()) 145 return TII->getName(IID); 146 llvm_unreachable("Invalid intrinsic ID"); 147 } 148 149 case ISD::BUILD_VECTOR: return "BUILD_VECTOR"; 150 case ISD::TargetConstant: 151 if (cast<ConstantSDNode>(this)->isOpaque()) 152 return "OpaqueTargetConstant"; 153 return "TargetConstant"; 154 case ISD::TargetConstantFP: return "TargetConstantFP"; 155 case ISD::TargetGlobalAddress: return "TargetGlobalAddress"; 156 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress"; 157 case ISD::TargetFrameIndex: return "TargetFrameIndex"; 158 case ISD::TargetJumpTable: return "TargetJumpTable"; 159 case ISD::TargetConstantPool: return "TargetConstantPool"; 160 case ISD::TargetExternalSymbol: return "TargetExternalSymbol"; 161 case ISD::MCSymbol: return "MCSymbol"; 162 case ISD::TargetBlockAddress: return "TargetBlockAddress"; 163 164 case ISD::CopyToReg: return "CopyToReg"; 165 case ISD::CopyFromReg: return "CopyFromReg"; 166 case ISD::UNDEF: return "undef"; 167 case ISD::MERGE_VALUES: return "merge_values"; 168 case ISD::INLINEASM: return "inlineasm"; 169 case ISD::EH_LABEL: return "eh_label"; 170 case ISD::HANDLENODE: return "handlenode"; 171 172 // Unary operators 173 case ISD::FABS: return "fabs"; 174 case ISD::FMINNUM: return "fminnum"; 175 case ISD::FMAXNUM: return "fmaxnum"; 176 case ISD::FMINNAN: return "fminnan"; 177 case ISD::FMAXNAN: return "fmaxnan"; 178 case ISD::FNEG: return "fneg"; 179 case ISD::FSQRT: return "fsqrt"; 180 case ISD::STRICT_FSQRT: return "strict_fsqrt"; 181 case ISD::FSIN: return "fsin"; 182 case ISD::STRICT_FSIN: return "strict_fsin"; 183 case ISD::FCOS: return "fcos"; 184 case ISD::STRICT_FCOS: return "strict_fcos"; 185 case ISD::FSINCOS: return "fsincos"; 186 case ISD::FTRUNC: return "ftrunc"; 187 case ISD::FFLOOR: return "ffloor"; 188 case ISD::FCEIL: return "fceil"; 189 case ISD::FRINT: return "frint"; 190 case ISD::STRICT_FRINT: return "strict_frint"; 191 case ISD::FNEARBYINT: return "fnearbyint"; 192 case ISD::STRICT_FNEARBYINT: return "strict_fnearbyint"; 193 case ISD::FROUND: return "fround"; 194 case ISD::FEXP: return "fexp"; 195 case ISD::STRICT_FEXP: return "strict_fexp"; 196 case ISD::FEXP2: return "fexp2"; 197 case ISD::STRICT_FEXP2: return "strict_fexp2"; 198 case ISD::FLOG: return "flog"; 199 case ISD::STRICT_FLOG: return "strict_flog"; 200 case ISD::FLOG2: return "flog2"; 201 case ISD::STRICT_FLOG2: return "strict_flog2"; 202 case ISD::FLOG10: return "flog10"; 203 case ISD::STRICT_FLOG10: return "strict_flog10"; 204 205 // Binary operators 206 case ISD::ADD: return "add"; 207 case ISD::SUB: return "sub"; 208 case ISD::MUL: return "mul"; 209 case ISD::MULHU: return "mulhu"; 210 case ISD::MULHS: return "mulhs"; 211 case ISD::SDIV: return "sdiv"; 212 case ISD::UDIV: return "udiv"; 213 case ISD::SREM: return "srem"; 214 case ISD::UREM: return "urem"; 215 case ISD::SMUL_LOHI: return "smul_lohi"; 216 case ISD::UMUL_LOHI: return "umul_lohi"; 217 case ISD::SDIVREM: return "sdivrem"; 218 case ISD::UDIVREM: return "udivrem"; 219 case ISD::AND: return "and"; 220 case ISD::OR: return "or"; 221 case ISD::XOR: return "xor"; 222 case ISD::SHL: return "shl"; 223 case ISD::SRA: return "sra"; 224 case ISD::SRL: return "srl"; 225 case ISD::ROTL: return "rotl"; 226 case ISD::ROTR: return "rotr"; 227 case ISD::FADD: return "fadd"; 228 case ISD::STRICT_FADD: return "strict_fadd"; 229 case ISD::FSUB: return "fsub"; 230 case ISD::STRICT_FSUB: return "strict_fsub"; 231 case ISD::FMUL: return "fmul"; 232 case ISD::STRICT_FMUL: return "strict_fmul"; 233 case ISD::FDIV: return "fdiv"; 234 case ISD::STRICT_FDIV: return "strict_fdiv"; 235 case ISD::FMA: return "fma"; 236 case ISD::STRICT_FMA: return "strict_fma"; 237 case ISD::FMAD: return "fmad"; 238 case ISD::FREM: return "frem"; 239 case ISD::STRICT_FREM: return "strict_frem"; 240 case ISD::FCOPYSIGN: return "fcopysign"; 241 case ISD::FGETSIGN: return "fgetsign"; 242 case ISD::FCANONICALIZE: return "fcanonicalize"; 243 case ISD::FPOW: return "fpow"; 244 case ISD::STRICT_FPOW: return "strict_fpow"; 245 case ISD::SMIN: return "smin"; 246 case ISD::SMAX: return "smax"; 247 case ISD::UMIN: return "umin"; 248 case ISD::UMAX: return "umax"; 249 250 case ISD::FPOWI: return "fpowi"; 251 case ISD::STRICT_FPOWI: return "strict_fpowi"; 252 case ISD::SETCC: return "setcc"; 253 case ISD::SETCCE: return "setcce"; 254 case ISD::SETCCCARRY: return "setcccarry"; 255 case ISD::SELECT: return "select"; 256 case ISD::VSELECT: return "vselect"; 257 case ISD::SELECT_CC: return "select_cc"; 258 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt"; 259 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt"; 260 case ISD::CONCAT_VECTORS: return "concat_vectors"; 261 case ISD::INSERT_SUBVECTOR: return "insert_subvector"; 262 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector"; 263 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector"; 264 case ISD::VECTOR_SHUFFLE: return "vector_shuffle"; 265 case ISD::CARRY_FALSE: return "carry_false"; 266 case ISD::ADDC: return "addc"; 267 case ISD::ADDE: return "adde"; 268 case ISD::ADDCARRY: return "addcarry"; 269 case ISD::SADDO: return "saddo"; 270 case ISD::UADDO: return "uaddo"; 271 case ISD::SSUBO: return "ssubo"; 272 case ISD::USUBO: return "usubo"; 273 case ISD::SMULO: return "smulo"; 274 case ISD::UMULO: return "umulo"; 275 case ISD::SUBC: return "subc"; 276 case ISD::SUBE: return "sube"; 277 case ISD::SUBCARRY: return "subcarry"; 278 case ISD::SHL_PARTS: return "shl_parts"; 279 case ISD::SRA_PARTS: return "sra_parts"; 280 case ISD::SRL_PARTS: return "srl_parts"; 281 282 // Conversion operators. 283 case ISD::SIGN_EXTEND: return "sign_extend"; 284 case ISD::ZERO_EXTEND: return "zero_extend"; 285 case ISD::ANY_EXTEND: return "any_extend"; 286 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg"; 287 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg"; 288 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg"; 289 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg"; 290 case ISD::TRUNCATE: return "truncate"; 291 case ISD::FP_ROUND: return "fp_round"; 292 case ISD::FLT_ROUNDS_: return "flt_rounds"; 293 case ISD::FP_ROUND_INREG: return "fp_round_inreg"; 294 case ISD::FP_EXTEND: return "fp_extend"; 295 296 case ISD::SINT_TO_FP: return "sint_to_fp"; 297 case ISD::UINT_TO_FP: return "uint_to_fp"; 298 case ISD::FP_TO_SINT: return "fp_to_sint"; 299 case ISD::FP_TO_UINT: return "fp_to_uint"; 300 case ISD::BITCAST: return "bitcast"; 301 case ISD::ADDRSPACECAST: return "addrspacecast"; 302 case ISD::FP16_TO_FP: return "fp16_to_fp"; 303 case ISD::FP_TO_FP16: return "fp_to_fp16"; 304 305 // Control flow instructions 306 case ISD::BR: return "br"; 307 case ISD::BRIND: return "brind"; 308 case ISD::BR_JT: return "br_jt"; 309 case ISD::BRCOND: return "brcond"; 310 case ISD::BR_CC: return "br_cc"; 311 case ISD::CALLSEQ_START: return "callseq_start"; 312 case ISD::CALLSEQ_END: return "callseq_end"; 313 314 // EH instructions 315 case ISD::CATCHRET: return "catchret"; 316 case ISD::CLEANUPRET: return "cleanupret"; 317 318 // Other operators 319 case ISD::LOAD: return "load"; 320 case ISD::STORE: return "store"; 321 case ISD::MLOAD: return "masked_load"; 322 case ISD::MSTORE: return "masked_store"; 323 case ISD::MGATHER: return "masked_gather"; 324 case ISD::MSCATTER: return "masked_scatter"; 325 case ISD::VAARG: return "vaarg"; 326 case ISD::VACOPY: return "vacopy"; 327 case ISD::VAEND: return "vaend"; 328 case ISD::VASTART: return "vastart"; 329 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc"; 330 case ISD::EXTRACT_ELEMENT: return "extract_element"; 331 case ISD::BUILD_PAIR: return "build_pair"; 332 case ISD::STACKSAVE: return "stacksave"; 333 case ISD::STACKRESTORE: return "stackrestore"; 334 case ISD::TRAP: return "trap"; 335 case ISD::DEBUGTRAP: return "debugtrap"; 336 case ISD::LIFETIME_START: return "lifetime.start"; 337 case ISD::LIFETIME_END: return "lifetime.end"; 338 case ISD::GC_TRANSITION_START: return "gc_transition.start"; 339 case ISD::GC_TRANSITION_END: return "gc_transition.end"; 340 case ISD::GET_DYNAMIC_AREA_OFFSET: return "get.dynamic.area.offset"; 341 342 // Bit manipulation 343 case ISD::ABS: return "abs"; 344 case ISD::BITREVERSE: return "bitreverse"; 345 case ISD::BSWAP: return "bswap"; 346 case ISD::CTPOP: return "ctpop"; 347 case ISD::CTTZ: return "cttz"; 348 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef"; 349 case ISD::CTLZ: return "ctlz"; 350 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef"; 351 352 // Trampolines 353 case ISD::INIT_TRAMPOLINE: return "init_trampoline"; 354 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline"; 355 356 case ISD::CONDCODE: 357 switch (cast<CondCodeSDNode>(this)->get()) { 358 default: llvm_unreachable("Unknown setcc condition!"); 359 case ISD::SETOEQ: return "setoeq"; 360 case ISD::SETOGT: return "setogt"; 361 case ISD::SETOGE: return "setoge"; 362 case ISD::SETOLT: return "setolt"; 363 case ISD::SETOLE: return "setole"; 364 case ISD::SETONE: return "setone"; 365 366 case ISD::SETO: return "seto"; 367 case ISD::SETUO: return "setuo"; 368 case ISD::SETUEQ: return "setueq"; 369 case ISD::SETUGT: return "setugt"; 370 case ISD::SETUGE: return "setuge"; 371 case ISD::SETULT: return "setult"; 372 case ISD::SETULE: return "setule"; 373 case ISD::SETUNE: return "setune"; 374 375 case ISD::SETEQ: return "seteq"; 376 case ISD::SETGT: return "setgt"; 377 case ISD::SETGE: return "setge"; 378 case ISD::SETLT: return "setlt"; 379 case ISD::SETLE: return "setle"; 380 case ISD::SETNE: return "setne"; 381 382 case ISD::SETTRUE: return "settrue"; 383 case ISD::SETTRUE2: return "settrue2"; 384 case ISD::SETFALSE: return "setfalse"; 385 case ISD::SETFALSE2: return "setfalse2"; 386 } 387 case ISD::VECREDUCE_FADD: return "vecreduce_fadd"; 388 case ISD::VECREDUCE_STRICT_FADD: return "vecreduce_strict_fadd"; 389 case ISD::VECREDUCE_FMUL: return "vecreduce_fmul"; 390 case ISD::VECREDUCE_STRICT_FMUL: return "vecreduce_strict_fmul"; 391 case ISD::VECREDUCE_ADD: return "vecreduce_add"; 392 case ISD::VECREDUCE_MUL: return "vecreduce_mul"; 393 case ISD::VECREDUCE_AND: return "vecreduce_and"; 394 case ISD::VECREDUCE_OR: return "vecreduce_or"; 395 case ISD::VECREDUCE_XOR: return "vecreduce_xor"; 396 case ISD::VECREDUCE_SMAX: return "vecreduce_smax"; 397 case ISD::VECREDUCE_SMIN: return "vecreduce_smin"; 398 case ISD::VECREDUCE_UMAX: return "vecreduce_umax"; 399 case ISD::VECREDUCE_UMIN: return "vecreduce_umin"; 400 case ISD::VECREDUCE_FMAX: return "vecreduce_fmax"; 401 case ISD::VECREDUCE_FMIN: return "vecreduce_fmin"; 402 } 403 } 404 405 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) { 406 switch (AM) { 407 default: return ""; 408 case ISD::PRE_INC: return "<pre-inc>"; 409 case ISD::PRE_DEC: return "<pre-dec>"; 410 case ISD::POST_INC: return "<post-inc>"; 411 case ISD::POST_DEC: return "<post-dec>"; 412 } 413 } 414 415 static Printable PrintNodeId(const SDNode &Node) { 416 return Printable([&Node](raw_ostream &OS) { 417 #ifndef NDEBUG 418 OS << 't' << Node.PersistentId; 419 #else 420 OS << (const void*)&Node; 421 #endif 422 }); 423 } 424 425 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 426 LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); } 427 428 LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const { 429 print(dbgs(), G); 430 dbgs() << '\n'; 431 } 432 #endif 433 434 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { 435 for (unsigned i = 0, e = getNumValues(); i != e; ++i) { 436 if (i) OS << ","; 437 if (getValueType(i) == MVT::Other) 438 OS << "ch"; 439 else 440 OS << getValueType(i).getEVTString(); 441 } 442 } 443 444 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { 445 if (getFlags().hasNoUnsignedWrap()) 446 OS << " nuw"; 447 448 if (getFlags().hasNoSignedWrap()) 449 OS << " nsw"; 450 451 if (getFlags().hasExact()) 452 OS << " exact"; 453 454 if (getFlags().hasUnsafeAlgebra()) 455 OS << " unsafe"; 456 457 if (getFlags().hasNoNaNs()) 458 OS << " nnan"; 459 460 if (getFlags().hasNoInfs()) 461 OS << " ninf"; 462 463 if (getFlags().hasNoSignedZeros()) 464 OS << " nsz"; 465 466 if (getFlags().hasAllowReciprocal()) 467 OS << " arcp"; 468 469 if (getFlags().hasAllowContract()) 470 OS << " contract"; 471 472 if (getFlags().hasVectorReduction()) 473 OS << " vector-reduction"; 474 475 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { 476 if (!MN->memoperands_empty()) { 477 OS << "<"; 478 OS << "Mem:"; 479 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), 480 e = MN->memoperands_end(); i != e; ++i) { 481 OS << **i; 482 if (std::next(i) != e) 483 OS << " "; 484 } 485 OS << ">"; 486 } 487 } else if (const ShuffleVectorSDNode *SVN = 488 dyn_cast<ShuffleVectorSDNode>(this)) { 489 OS << "<"; 490 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { 491 int Idx = SVN->getMaskElt(i); 492 if (i) OS << ","; 493 if (Idx < 0) 494 OS << "u"; 495 else 496 OS << Idx; 497 } 498 OS << ">"; 499 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { 500 OS << '<' << CSDN->getAPIntValue() << '>'; 501 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { 502 if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle()) 503 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; 504 else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble()) 505 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; 506 else { 507 OS << "<APFloat("; 508 CSDN->getValueAPF().bitcastToAPInt().print(OS, false); 509 OS << ")>"; 510 } 511 } else if (const GlobalAddressSDNode *GADN = 512 dyn_cast<GlobalAddressSDNode>(this)) { 513 int64_t offset = GADN->getOffset(); 514 OS << '<'; 515 GADN->getGlobal()->printAsOperand(OS); 516 OS << '>'; 517 if (offset > 0) 518 OS << " + " << offset; 519 else 520 OS << " " << offset; 521 if (unsigned int TF = GADN->getTargetFlags()) 522 OS << " [TF=" << TF << ']'; 523 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { 524 OS << "<" << FIDN->getIndex() << ">"; 525 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { 526 OS << "<" << JTDN->getIndex() << ">"; 527 if (unsigned int TF = JTDN->getTargetFlags()) 528 OS << " [TF=" << TF << ']'; 529 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ 530 int offset = CP->getOffset(); 531 if (CP->isMachineConstantPoolEntry()) 532 OS << "<" << *CP->getMachineCPVal() << ">"; 533 else 534 OS << "<" << *CP->getConstVal() << ">"; 535 if (offset > 0) 536 OS << " + " << offset; 537 else 538 OS << " " << offset; 539 if (unsigned int TF = CP->getTargetFlags()) 540 OS << " [TF=" << TF << ']'; 541 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { 542 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; 543 if (unsigned TF = TI->getTargetFlags()) 544 OS << " [TF=" << TF << ']'; 545 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { 546 OS << "<"; 547 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); 548 if (LBB) 549 OS << LBB->getName() << " "; 550 OS << (const void*)BBDN->getBasicBlock() << ">"; 551 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { 552 OS << ' ' << printReg(R->getReg(), 553 G ? G->getSubtarget().getRegisterInfo() : nullptr); 554 } else if (const ExternalSymbolSDNode *ES = 555 dyn_cast<ExternalSymbolSDNode>(this)) { 556 OS << "'" << ES->getSymbol() << "'"; 557 if (unsigned int TF = ES->getTargetFlags()) 558 OS << " [TF=" << TF << ']'; 559 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { 560 if (M->getValue()) 561 OS << "<" << M->getValue() << ">"; 562 else 563 OS << "<null>"; 564 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { 565 if (MD->getMD()) 566 OS << "<" << MD->getMD() << ">"; 567 else 568 OS << "<null>"; 569 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { 570 OS << ":" << N->getVT().getEVTString(); 571 } 572 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { 573 OS << "<" << *LD->getMemOperand(); 574 575 bool doExt = true; 576 switch (LD->getExtensionType()) { 577 default: doExt = false; break; 578 case ISD::EXTLOAD: OS << ", anyext"; break; 579 case ISD::SEXTLOAD: OS << ", sext"; break; 580 case ISD::ZEXTLOAD: OS << ", zext"; break; 581 } 582 if (doExt) 583 OS << " from " << LD->getMemoryVT().getEVTString(); 584 585 const char *AM = getIndexedModeName(LD->getAddressingMode()); 586 if (*AM) 587 OS << ", " << AM; 588 589 OS << ">"; 590 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { 591 OS << "<" << *ST->getMemOperand(); 592 593 if (ST->isTruncatingStore()) 594 OS << ", trunc to " << ST->getMemoryVT().getEVTString(); 595 596 const char *AM = getIndexedModeName(ST->getAddressingMode()); 597 if (*AM) 598 OS << ", " << AM; 599 600 OS << ">"; 601 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { 602 OS << "<" << *M->getMemOperand() << ">"; 603 } else if (const BlockAddressSDNode *BA = 604 dyn_cast<BlockAddressSDNode>(this)) { 605 int64_t offset = BA->getOffset(); 606 OS << "<"; 607 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); 608 OS << ", "; 609 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); 610 OS << ">"; 611 if (offset > 0) 612 OS << " + " << offset; 613 else 614 OS << " " << offset; 615 if (unsigned int TF = BA->getTargetFlags()) 616 OS << " [TF=" << TF << ']'; 617 } else if (const AddrSpaceCastSDNode *ASC = 618 dyn_cast<AddrSpaceCastSDNode>(this)) { 619 OS << '[' 620 << ASC->getSrcAddressSpace() 621 << " -> " 622 << ASC->getDestAddressSpace() 623 << ']'; 624 } 625 626 if (VerboseDAGDumping) { 627 if (unsigned Order = getIROrder()) 628 OS << " [ORD=" << Order << ']'; 629 630 if (getNodeId() != -1) 631 OS << " [ID=" << getNodeId() << ']'; 632 633 if (!G) 634 return; 635 636 DILocation *L = getDebugLoc(); 637 if (!L) 638 return; 639 640 if (auto *Scope = L->getScope()) 641 OS << Scope->getFilename(); 642 else 643 OS << "<unknown>"; 644 OS << ':' << L->getLine(); 645 if (unsigned C = L->getColumn()) 646 OS << ':' << C; 647 } 648 } 649 650 /// Return true if this node is so simple that we should just print it inline 651 /// if it appears as an operand. 652 static bool shouldPrintInline(const SDNode &Node) { 653 if (Node.getOpcode() == ISD::EntryToken) 654 return false; 655 return Node.getNumOperands() == 0; 656 } 657 658 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 659 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { 660 for (const SDValue &Op : N->op_values()) { 661 if (shouldPrintInline(*Op.getNode())) 662 continue; 663 if (Op.getNode()->hasOneUse()) 664 DumpNodes(Op.getNode(), indent+2, G); 665 } 666 667 dbgs().indent(indent); 668 N->dump(G); 669 } 670 671 LLVM_DUMP_METHOD void SelectionDAG::dump() const { 672 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n"; 673 674 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); 675 I != E; ++I) { 676 const SDNode *N = &*I; 677 if (!N->hasOneUse() && N != getRoot().getNode() && 678 (!shouldPrintInline(*N) || N->use_empty())) 679 DumpNodes(N, 2, this); 680 } 681 682 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this); 683 dbgs() << "\n\n"; 684 } 685 #endif 686 687 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const { 688 OS << PrintNodeId(*this) << ": "; 689 print_types(OS, G); 690 OS << " = " << getOperationName(G); 691 print_details(OS, G); 692 } 693 694 static bool printOperand(raw_ostream &OS, const SelectionDAG *G, 695 const SDValue Value) { 696 if (!Value.getNode()) { 697 OS << "<null>"; 698 return false; 699 } else if (shouldPrintInline(*Value.getNode())) { 700 OS << Value->getOperationName(G) << ':'; 701 Value->print_types(OS, G); 702 Value->print_details(OS, G); 703 return true; 704 } else { 705 OS << PrintNodeId(*Value.getNode()); 706 if (unsigned RN = Value.getResNo()) 707 OS << ':' << RN; 708 return false; 709 } 710 } 711 712 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 713 using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>; 714 715 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, 716 const SelectionDAG *G, VisitedSDNodeSet &once) { 717 if (!once.insert(N).second) // If we've been here before, return now. 718 return; 719 720 // Dump the current SDNode, but don't end the line yet. 721 OS.indent(indent); 722 N->printr(OS, G); 723 724 // Having printed this SDNode, walk the children: 725 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 726 if (i) OS << ","; 727 OS << " "; 728 729 const SDValue Op = N->getOperand(i); 730 bool printedInline = printOperand(OS, G, Op); 731 if (printedInline) 732 once.insert(Op.getNode()); 733 } 734 735 OS << "\n"; 736 737 // Dump children that have grandchildren on their own line(s). 738 for (const SDValue &Op : N->op_values()) 739 DumpNodesr(OS, Op.getNode(), indent+2, G, once); 740 } 741 742 LLVM_DUMP_METHOD void SDNode::dumpr() const { 743 VisitedSDNodeSet once; 744 DumpNodesr(dbgs(), this, 0, nullptr, once); 745 } 746 747 LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const { 748 VisitedSDNodeSet once; 749 DumpNodesr(dbgs(), this, 0, G, once); 750 } 751 #endif 752 753 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, 754 const SelectionDAG *G, unsigned depth, 755 unsigned indent) { 756 if (depth == 0) 757 return; 758 759 OS.indent(indent); 760 761 N->print(OS, G); 762 763 if (depth < 1) 764 return; 765 766 for (const SDValue &Op : N->op_values()) { 767 // Don't follow chain operands. 768 if (Op.getValueType() == MVT::Other) 769 continue; 770 OS << '\n'; 771 printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2); 772 } 773 } 774 775 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, 776 unsigned depth) const { 777 printrWithDepthHelper(OS, this, G, depth, 0); 778 } 779 780 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { 781 // Don't print impossibly deep things. 782 printrWithDepth(OS, G, 10); 783 } 784 785 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 786 LLVM_DUMP_METHOD 787 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { 788 printrWithDepth(dbgs(), G, depth); 789 } 790 791 LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const { 792 // Don't print impossibly deep things. 793 dumprWithDepth(G, 10); 794 } 795 #endif 796 797 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { 798 printr(OS, G); 799 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { 800 if (i) OS << ", "; else OS << " "; 801 printOperand(OS, G, getOperand(i)); 802 } 803 } 804