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/SelectionDAG.h" 24 #include "llvm/CodeGen/SelectionDAGNodes.h" 25 #include "llvm/CodeGen/TargetInstrInfo.h" 26 #include "llvm/CodeGen/TargetLowering.h" 27 #include "llvm/CodeGen/TargetRegisterInfo.h" 28 #include "llvm/CodeGen/TargetSubtargetInfo.h" 29 #include "llvm/CodeGen/ValueTypes.h" 30 #include "llvm/Config/llvm-config.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/ModuleSlotTracker.h" 38 #include "llvm/IR/Value.h" 39 #include "llvm/Support/Casting.h" 40 #include "llvm/Support/CommandLine.h" 41 #include "llvm/Support/Compiler.h" 42 #include "llvm/Support/Debug.h" 43 #include "llvm/Support/ErrorHandling.h" 44 #include "llvm/Support/MachineValueType.h" 45 #include "llvm/Support/Printable.h" 46 #include "llvm/Support/raw_ostream.h" 47 #include "llvm/Target/TargetIntrinsicInfo.h" 48 #include "llvm/Target/TargetMachine.h" 49 #include "SDNodeDbgValue.h" 50 #include <cstdint> 51 #include <iterator> 52 53 using namespace llvm; 54 55 static cl::opt<bool> 56 VerboseDAGDumping("dag-dump-verbose", cl::Hidden, 57 cl::desc("Display more information when dumping selection " 58 "DAG nodes.")); 59 60 std::string SDNode::getOperationName(const SelectionDAG *G) const { 61 switch (getOpcode()) { 62 default: 63 if (getOpcode() < ISD::BUILTIN_OP_END) 64 return "<<Unknown DAG Node>>"; 65 if (isMachineOpcode()) { 66 if (G) 67 if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo()) 68 if (getMachineOpcode() < TII->getNumOpcodes()) 69 return TII->getName(getMachineOpcode()); 70 return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>"; 71 } 72 if (G) { 73 const TargetLowering &TLI = G->getTargetLoweringInfo(); 74 const char *Name = TLI.getTargetNodeName(getOpcode()); 75 if (Name) return Name; 76 return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>"; 77 } 78 return "<<Unknown Node #" + utostr(getOpcode()) + ">>"; 79 80 #ifndef NDEBUG 81 case ISD::DELETED_NODE: return "<<Deleted Node!>>"; 82 #endif 83 case ISD::PREFETCH: return "Prefetch"; 84 case ISD::ATOMIC_FENCE: return "AtomicFence"; 85 case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap"; 86 case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess"; 87 case ISD::ATOMIC_SWAP: return "AtomicSwap"; 88 case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd"; 89 case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub"; 90 case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd"; 91 case ISD::ATOMIC_LOAD_CLR: return "AtomicLoadClr"; 92 case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr"; 93 case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor"; 94 case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand"; 95 case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin"; 96 case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax"; 97 case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin"; 98 case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax"; 99 case ISD::ATOMIC_LOAD: return "AtomicLoad"; 100 case ISD::ATOMIC_STORE: return "AtomicStore"; 101 case ISD::PCMARKER: return "PCMarker"; 102 case ISD::READCYCLECOUNTER: return "ReadCycleCounter"; 103 case ISD::SRCVALUE: return "SrcValue"; 104 case ISD::MDNODE_SDNODE: return "MDNode"; 105 case ISD::EntryToken: return "EntryToken"; 106 case ISD::TokenFactor: return "TokenFactor"; 107 case ISD::AssertSext: return "AssertSext"; 108 case ISD::AssertZext: return "AssertZext"; 109 110 case ISD::BasicBlock: return "BasicBlock"; 111 case ISD::VALUETYPE: return "ValueType"; 112 case ISD::Register: return "Register"; 113 case ISD::RegisterMask: return "RegisterMask"; 114 case ISD::Constant: 115 if (cast<ConstantSDNode>(this)->isOpaque()) 116 return "OpaqueConstant"; 117 return "Constant"; 118 case ISD::ConstantFP: return "ConstantFP"; 119 case ISD::GlobalAddress: return "GlobalAddress"; 120 case ISD::GlobalTLSAddress: return "GlobalTLSAddress"; 121 case ISD::FrameIndex: return "FrameIndex"; 122 case ISD::JumpTable: return "JumpTable"; 123 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE"; 124 case ISD::RETURNADDR: return "RETURNADDR"; 125 case ISD::ADDROFRETURNADDR: return "ADDROFRETURNADDR"; 126 case ISD::FRAMEADDR: return "FRAMEADDR"; 127 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER"; 128 case ISD::READ_REGISTER: return "READ_REGISTER"; 129 case ISD::WRITE_REGISTER: return "WRITE_REGISTER"; 130 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET"; 131 case ISD::EH_DWARF_CFA: return "EH_DWARF_CFA"; 132 case ISD::EH_RETURN: return "EH_RETURN"; 133 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP"; 134 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP"; 135 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH"; 136 case ISD::ConstantPool: return "ConstantPool"; 137 case ISD::TargetIndex: return "TargetIndex"; 138 case ISD::ExternalSymbol: return "ExternalSymbol"; 139 case ISD::BlockAddress: return "BlockAddress"; 140 case ISD::INTRINSIC_WO_CHAIN: 141 case ISD::INTRINSIC_VOID: 142 case ISD::INTRINSIC_W_CHAIN: { 143 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1; 144 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue(); 145 if (IID < Intrinsic::num_intrinsics) 146 return Intrinsic::getName((Intrinsic::ID)IID, None); 147 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo()) 148 return TII->getName(IID); 149 llvm_unreachable("Invalid intrinsic ID"); 150 } 151 152 case ISD::BUILD_VECTOR: return "BUILD_VECTOR"; 153 case ISD::TargetConstant: 154 if (cast<ConstantSDNode>(this)->isOpaque()) 155 return "OpaqueTargetConstant"; 156 return "TargetConstant"; 157 case ISD::TargetConstantFP: return "TargetConstantFP"; 158 case ISD::TargetGlobalAddress: return "TargetGlobalAddress"; 159 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress"; 160 case ISD::TargetFrameIndex: return "TargetFrameIndex"; 161 case ISD::TargetJumpTable: return "TargetJumpTable"; 162 case ISD::TargetConstantPool: return "TargetConstantPool"; 163 case ISD::TargetExternalSymbol: return "TargetExternalSymbol"; 164 case ISD::MCSymbol: return "MCSymbol"; 165 case ISD::TargetBlockAddress: return "TargetBlockAddress"; 166 167 case ISD::CopyToReg: return "CopyToReg"; 168 case ISD::CopyFromReg: return "CopyFromReg"; 169 case ISD::UNDEF: return "undef"; 170 case ISD::MERGE_VALUES: return "merge_values"; 171 case ISD::INLINEASM: return "inlineasm"; 172 case ISD::EH_LABEL: return "eh_label"; 173 case ISD::HANDLENODE: return "handlenode"; 174 175 // Unary operators 176 case ISD::FABS: return "fabs"; 177 case ISD::FMINNUM: return "fminnum"; 178 case ISD::FMAXNUM: return "fmaxnum"; 179 case ISD::FMINNAN: return "fminnan"; 180 case ISD::FMAXNAN: return "fmaxnan"; 181 case ISD::FNEG: return "fneg"; 182 case ISD::FSQRT: return "fsqrt"; 183 case ISD::STRICT_FSQRT: return "strict_fsqrt"; 184 case ISD::FCBRT: return "fcbrt"; 185 case ISD::FSIN: return "fsin"; 186 case ISD::STRICT_FSIN: return "strict_fsin"; 187 case ISD::FCOS: return "fcos"; 188 case ISD::STRICT_FCOS: return "strict_fcos"; 189 case ISD::FSINCOS: return "fsincos"; 190 case ISD::FTRUNC: return "ftrunc"; 191 case ISD::FFLOOR: return "ffloor"; 192 case ISD::FCEIL: return "fceil"; 193 case ISD::FRINT: return "frint"; 194 case ISD::STRICT_FRINT: return "strict_frint"; 195 case ISD::FNEARBYINT: return "fnearbyint"; 196 case ISD::STRICT_FNEARBYINT: return "strict_fnearbyint"; 197 case ISD::FROUND: return "fround"; 198 case ISD::FEXP: return "fexp"; 199 case ISD::STRICT_FEXP: return "strict_fexp"; 200 case ISD::FEXP2: return "fexp2"; 201 case ISD::STRICT_FEXP2: return "strict_fexp2"; 202 case ISD::FLOG: return "flog"; 203 case ISD::STRICT_FLOG: return "strict_flog"; 204 case ISD::FLOG2: return "flog2"; 205 case ISD::STRICT_FLOG2: return "strict_flog2"; 206 case ISD::FLOG10: return "flog10"; 207 case ISD::STRICT_FLOG10: return "strict_flog10"; 208 209 // Binary operators 210 case ISD::ADD: return "add"; 211 case ISD::SUB: return "sub"; 212 case ISD::MUL: return "mul"; 213 case ISD::MULHU: return "mulhu"; 214 case ISD::MULHS: return "mulhs"; 215 case ISD::SDIV: return "sdiv"; 216 case ISD::UDIV: return "udiv"; 217 case ISD::SREM: return "srem"; 218 case ISD::UREM: return "urem"; 219 case ISD::SMUL_LOHI: return "smul_lohi"; 220 case ISD::UMUL_LOHI: return "umul_lohi"; 221 case ISD::SDIVREM: return "sdivrem"; 222 case ISD::UDIVREM: return "udivrem"; 223 case ISD::AND: return "and"; 224 case ISD::OR: return "or"; 225 case ISD::XOR: return "xor"; 226 case ISD::SHL: return "shl"; 227 case ISD::SRA: return "sra"; 228 case ISD::SRL: return "srl"; 229 case ISD::ROTL: return "rotl"; 230 case ISD::ROTR: return "rotr"; 231 case ISD::FADD: return "fadd"; 232 case ISD::STRICT_FADD: return "strict_fadd"; 233 case ISD::FSUB: return "fsub"; 234 case ISD::STRICT_FSUB: return "strict_fsub"; 235 case ISD::FMUL: return "fmul"; 236 case ISD::STRICT_FMUL: return "strict_fmul"; 237 case ISD::FDIV: return "fdiv"; 238 case ISD::STRICT_FDIV: return "strict_fdiv"; 239 case ISD::FMA: return "fma"; 240 case ISD::STRICT_FMA: return "strict_fma"; 241 case ISD::FMAD: return "fmad"; 242 case ISD::FREM: return "frem"; 243 case ISD::STRICT_FREM: return "strict_frem"; 244 case ISD::FCOPYSIGN: return "fcopysign"; 245 case ISD::FGETSIGN: return "fgetsign"; 246 case ISD::FCANONICALIZE: return "fcanonicalize"; 247 case ISD::FPOW: return "fpow"; 248 case ISD::STRICT_FPOW: return "strict_fpow"; 249 case ISD::SMIN: return "smin"; 250 case ISD::SMAX: return "smax"; 251 case ISD::UMIN: return "umin"; 252 case ISD::UMAX: return "umax"; 253 254 case ISD::FPOWI: return "fpowi"; 255 case ISD::STRICT_FPOWI: return "strict_fpowi"; 256 case ISD::SETCC: return "setcc"; 257 case ISD::SETCCCARRY: return "setcccarry"; 258 case ISD::SELECT: return "select"; 259 case ISD::VSELECT: return "vselect"; 260 case ISD::SELECT_CC: return "select_cc"; 261 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt"; 262 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt"; 263 case ISD::CONCAT_VECTORS: return "concat_vectors"; 264 case ISD::INSERT_SUBVECTOR: return "insert_subvector"; 265 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector"; 266 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector"; 267 case ISD::VECTOR_SHUFFLE: return "vector_shuffle"; 268 case ISD::CARRY_FALSE: return "carry_false"; 269 case ISD::ADDC: return "addc"; 270 case ISD::ADDE: return "adde"; 271 case ISD::ADDCARRY: return "addcarry"; 272 case ISD::SADDO: return "saddo"; 273 case ISD::UADDO: return "uaddo"; 274 case ISD::SSUBO: return "ssubo"; 275 case ISD::USUBO: return "usubo"; 276 case ISD::SMULO: return "smulo"; 277 case ISD::UMULO: return "umulo"; 278 case ISD::SUBC: return "subc"; 279 case ISD::SUBE: return "sube"; 280 case ISD::SUBCARRY: return "subcarry"; 281 case ISD::SHL_PARTS: return "shl_parts"; 282 case ISD::SRA_PARTS: return "sra_parts"; 283 case ISD::SRL_PARTS: return "srl_parts"; 284 285 // Conversion operators. 286 case ISD::SIGN_EXTEND: return "sign_extend"; 287 case ISD::ZERO_EXTEND: return "zero_extend"; 288 case ISD::ANY_EXTEND: return "any_extend"; 289 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg"; 290 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg"; 291 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg"; 292 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg"; 293 case ISD::TRUNCATE: return "truncate"; 294 case ISD::FP_ROUND: return "fp_round"; 295 case ISD::FLT_ROUNDS_: return "flt_rounds"; 296 case ISD::FP_ROUND_INREG: return "fp_round_inreg"; 297 case ISD::FP_EXTEND: return "fp_extend"; 298 299 case ISD::SINT_TO_FP: return "sint_to_fp"; 300 case ISD::UINT_TO_FP: return "uint_to_fp"; 301 case ISD::FP_TO_SINT: return "fp_to_sint"; 302 case ISD::FP_TO_UINT: return "fp_to_uint"; 303 case ISD::BITCAST: return "bitcast"; 304 case ISD::ADDRSPACECAST: return "addrspacecast"; 305 case ISD::FP16_TO_FP: return "fp16_to_fp"; 306 case ISD::FP_TO_FP16: return "fp_to_fp16"; 307 308 // Control flow instructions 309 case ISD::BR: return "br"; 310 case ISD::BRIND: return "brind"; 311 case ISD::BR_JT: return "br_jt"; 312 case ISD::BRCOND: return "brcond"; 313 case ISD::BR_CC: return "br_cc"; 314 case ISD::CALLSEQ_START: return "callseq_start"; 315 case ISD::CALLSEQ_END: return "callseq_end"; 316 317 // EH instructions 318 case ISD::CATCHRET: return "catchret"; 319 case ISD::CLEANUPRET: return "cleanupret"; 320 321 // Other operators 322 case ISD::LOAD: return "load"; 323 case ISD::STORE: return "store"; 324 case ISD::MLOAD: return "masked_load"; 325 case ISD::MSTORE: return "masked_store"; 326 case ISD::MGATHER: return "masked_gather"; 327 case ISD::MSCATTER: return "masked_scatter"; 328 case ISD::VAARG: return "vaarg"; 329 case ISD::VACOPY: return "vacopy"; 330 case ISD::VAEND: return "vaend"; 331 case ISD::VASTART: return "vastart"; 332 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc"; 333 case ISD::EXTRACT_ELEMENT: return "extract_element"; 334 case ISD::BUILD_PAIR: return "build_pair"; 335 case ISD::STACKSAVE: return "stacksave"; 336 case ISD::STACKRESTORE: return "stackrestore"; 337 case ISD::TRAP: return "trap"; 338 case ISD::DEBUGTRAP: return "debugtrap"; 339 case ISD::LIFETIME_START: return "lifetime.start"; 340 case ISD::LIFETIME_END: return "lifetime.end"; 341 case ISD::GC_TRANSITION_START: return "gc_transition.start"; 342 case ISD::GC_TRANSITION_END: return "gc_transition.end"; 343 case ISD::GET_DYNAMIC_AREA_OFFSET: return "get.dynamic.area.offset"; 344 345 // Bit manipulation 346 case ISD::ABS: return "abs"; 347 case ISD::BITREVERSE: return "bitreverse"; 348 case ISD::BSWAP: return "bswap"; 349 case ISD::CTPOP: return "ctpop"; 350 case ISD::CTTZ: return "cttz"; 351 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef"; 352 case ISD::CTLZ: return "ctlz"; 353 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef"; 354 355 // Trampolines 356 case ISD::INIT_TRAMPOLINE: return "init_trampoline"; 357 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline"; 358 359 case ISD::CONDCODE: 360 switch (cast<CondCodeSDNode>(this)->get()) { 361 default: llvm_unreachable("Unknown setcc condition!"); 362 case ISD::SETOEQ: return "setoeq"; 363 case ISD::SETOGT: return "setogt"; 364 case ISD::SETOGE: return "setoge"; 365 case ISD::SETOLT: return "setolt"; 366 case ISD::SETOLE: return "setole"; 367 case ISD::SETONE: return "setone"; 368 369 case ISD::SETO: return "seto"; 370 case ISD::SETUO: return "setuo"; 371 case ISD::SETUEQ: return "setueq"; 372 case ISD::SETUGT: return "setugt"; 373 case ISD::SETUGE: return "setuge"; 374 case ISD::SETULT: return "setult"; 375 case ISD::SETULE: return "setule"; 376 case ISD::SETUNE: return "setune"; 377 378 case ISD::SETEQ: return "seteq"; 379 case ISD::SETGT: return "setgt"; 380 case ISD::SETGE: return "setge"; 381 case ISD::SETLT: return "setlt"; 382 case ISD::SETLE: return "setle"; 383 case ISD::SETNE: return "setne"; 384 385 case ISD::SETTRUE: return "settrue"; 386 case ISD::SETTRUE2: return "settrue2"; 387 case ISD::SETFALSE: return "setfalse"; 388 case ISD::SETFALSE2: return "setfalse2"; 389 } 390 case ISD::VECREDUCE_FADD: return "vecreduce_fadd"; 391 case ISD::VECREDUCE_STRICT_FADD: return "vecreduce_strict_fadd"; 392 case ISD::VECREDUCE_FMUL: return "vecreduce_fmul"; 393 case ISD::VECREDUCE_STRICT_FMUL: return "vecreduce_strict_fmul"; 394 case ISD::VECREDUCE_ADD: return "vecreduce_add"; 395 case ISD::VECREDUCE_MUL: return "vecreduce_mul"; 396 case ISD::VECREDUCE_AND: return "vecreduce_and"; 397 case ISD::VECREDUCE_OR: return "vecreduce_or"; 398 case ISD::VECREDUCE_XOR: return "vecreduce_xor"; 399 case ISD::VECREDUCE_SMAX: return "vecreduce_smax"; 400 case ISD::VECREDUCE_SMIN: return "vecreduce_smin"; 401 case ISD::VECREDUCE_UMAX: return "vecreduce_umax"; 402 case ISD::VECREDUCE_UMIN: return "vecreduce_umin"; 403 case ISD::VECREDUCE_FMAX: return "vecreduce_fmax"; 404 case ISD::VECREDUCE_FMIN: return "vecreduce_fmin"; 405 } 406 } 407 408 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) { 409 switch (AM) { 410 default: return ""; 411 case ISD::PRE_INC: return "<pre-inc>"; 412 case ISD::PRE_DEC: return "<pre-dec>"; 413 case ISD::POST_INC: return "<post-inc>"; 414 case ISD::POST_DEC: return "<post-dec>"; 415 } 416 } 417 418 static Printable PrintNodeId(const SDNode &Node) { 419 return Printable([&Node](raw_ostream &OS) { 420 #ifndef NDEBUG 421 OS << 't' << Node.PersistentId; 422 #else 423 OS << (const void*)&Node; 424 #endif 425 }); 426 } 427 428 // Print the MMO with more information from the SelectionDAG. 429 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO, 430 const MachineFunction *MF, const Module *M, 431 const MachineFrameInfo *MFI, 432 const TargetInstrInfo *TII, LLVMContext &Ctx) { 433 ModuleSlotTracker MST(M); 434 if (MF) 435 MST.incorporateFunction(MF->getFunction()); 436 SmallVector<StringRef, 0> SSNs; 437 MMO.print(OS, MST, SSNs, Ctx, MFI, TII); 438 } 439 440 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO, 441 const SelectionDAG *G) { 442 if (G) { 443 const MachineFunction *MF = &G->getMachineFunction(); 444 return printMemOperand(OS, MMO, MF, MF->getFunction().getParent(), 445 &MF->getFrameInfo(), G->getSubtarget().getInstrInfo(), 446 *G->getContext()); 447 } else { 448 LLVMContext Ctx; 449 return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr, 450 /*MFI=*/nullptr, /*TII=*/nullptr, Ctx); 451 } 452 } 453 454 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 455 LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); } 456 457 LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const { 458 print(dbgs(), G); 459 dbgs() << '\n'; 460 } 461 #endif 462 463 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { 464 for (unsigned i = 0, e = getNumValues(); i != e; ++i) { 465 if (i) OS << ","; 466 if (getValueType(i) == MVT::Other) 467 OS << "ch"; 468 else 469 OS << getValueType(i).getEVTString(); 470 } 471 } 472 473 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { 474 if (getFlags().hasNoUnsignedWrap()) 475 OS << " nuw"; 476 477 if (getFlags().hasNoSignedWrap()) 478 OS << " nsw"; 479 480 if (getFlags().hasExact()) 481 OS << " exact"; 482 483 if (getFlags().hasNoNaNs()) 484 OS << " nnan"; 485 486 if (getFlags().hasNoInfs()) 487 OS << " ninf"; 488 489 if (getFlags().hasNoSignedZeros()) 490 OS << " nsz"; 491 492 if (getFlags().hasAllowReciprocal()) 493 OS << " arcp"; 494 495 if (getFlags().hasAllowContract()) 496 OS << " contract"; 497 498 if (getFlags().hasApproximateFuncs()) 499 OS << " afn"; 500 501 if (getFlags().hasAllowReassociation()) 502 OS << " reassoc"; 503 504 if (getFlags().hasVectorReduction()) 505 OS << " vector-reduction"; 506 507 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { 508 if (!MN->memoperands_empty()) { 509 OS << "<"; 510 OS << "Mem:"; 511 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), 512 e = MN->memoperands_end(); i != e; ++i) { 513 printMemOperand(OS, **i, G); 514 if (std::next(i) != e) 515 OS << " "; 516 } 517 OS << ">"; 518 } 519 } else if (const ShuffleVectorSDNode *SVN = 520 dyn_cast<ShuffleVectorSDNode>(this)) { 521 OS << "<"; 522 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { 523 int Idx = SVN->getMaskElt(i); 524 if (i) OS << ","; 525 if (Idx < 0) 526 OS << "u"; 527 else 528 OS << Idx; 529 } 530 OS << ">"; 531 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { 532 OS << '<' << CSDN->getAPIntValue() << '>'; 533 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { 534 if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle()) 535 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; 536 else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble()) 537 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; 538 else { 539 OS << "<APFloat("; 540 CSDN->getValueAPF().bitcastToAPInt().print(OS, false); 541 OS << ")>"; 542 } 543 } else if (const GlobalAddressSDNode *GADN = 544 dyn_cast<GlobalAddressSDNode>(this)) { 545 int64_t offset = GADN->getOffset(); 546 OS << '<'; 547 GADN->getGlobal()->printAsOperand(OS); 548 OS << '>'; 549 if (offset > 0) 550 OS << " + " << offset; 551 else 552 OS << " " << offset; 553 if (unsigned int TF = GADN->getTargetFlags()) 554 OS << " [TF=" << TF << ']'; 555 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { 556 OS << "<" << FIDN->getIndex() << ">"; 557 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { 558 OS << "<" << JTDN->getIndex() << ">"; 559 if (unsigned int TF = JTDN->getTargetFlags()) 560 OS << " [TF=" << TF << ']'; 561 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ 562 int offset = CP->getOffset(); 563 if (CP->isMachineConstantPoolEntry()) 564 OS << "<" << *CP->getMachineCPVal() << ">"; 565 else 566 OS << "<" << *CP->getConstVal() << ">"; 567 if (offset > 0) 568 OS << " + " << offset; 569 else 570 OS << " " << offset; 571 if (unsigned int TF = CP->getTargetFlags()) 572 OS << " [TF=" << TF << ']'; 573 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { 574 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; 575 if (unsigned TF = TI->getTargetFlags()) 576 OS << " [TF=" << TF << ']'; 577 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { 578 OS << "<"; 579 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); 580 if (LBB) 581 OS << LBB->getName() << " "; 582 OS << (const void*)BBDN->getBasicBlock() << ">"; 583 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { 584 OS << ' ' << printReg(R->getReg(), 585 G ? G->getSubtarget().getRegisterInfo() : nullptr); 586 } else if (const ExternalSymbolSDNode *ES = 587 dyn_cast<ExternalSymbolSDNode>(this)) { 588 OS << "'" << ES->getSymbol() << "'"; 589 if (unsigned int TF = ES->getTargetFlags()) 590 OS << " [TF=" << TF << ']'; 591 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { 592 if (M->getValue()) 593 OS << "<" << M->getValue() << ">"; 594 else 595 OS << "<null>"; 596 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { 597 if (MD->getMD()) 598 OS << "<" << MD->getMD() << ">"; 599 else 600 OS << "<null>"; 601 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { 602 OS << ":" << N->getVT().getEVTString(); 603 } 604 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { 605 OS << "<"; 606 607 printMemOperand(OS, *LD->getMemOperand(), G); 608 609 bool doExt = true; 610 switch (LD->getExtensionType()) { 611 default: doExt = false; break; 612 case ISD::EXTLOAD: OS << ", anyext"; break; 613 case ISD::SEXTLOAD: OS << ", sext"; break; 614 case ISD::ZEXTLOAD: OS << ", zext"; break; 615 } 616 if (doExt) 617 OS << " from " << LD->getMemoryVT().getEVTString(); 618 619 const char *AM = getIndexedModeName(LD->getAddressingMode()); 620 if (*AM) 621 OS << ", " << AM; 622 623 OS << ">"; 624 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { 625 OS << "<"; 626 printMemOperand(OS, *ST->getMemOperand(), G); 627 628 if (ST->isTruncatingStore()) 629 OS << ", trunc to " << ST->getMemoryVT().getEVTString(); 630 631 const char *AM = getIndexedModeName(ST->getAddressingMode()); 632 if (*AM) 633 OS << ", " << AM; 634 635 OS << ">"; 636 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { 637 OS << "<"; 638 printMemOperand(OS, *M->getMemOperand(), G); 639 OS << ">"; 640 } else if (const BlockAddressSDNode *BA = 641 dyn_cast<BlockAddressSDNode>(this)) { 642 int64_t offset = BA->getOffset(); 643 OS << "<"; 644 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); 645 OS << ", "; 646 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); 647 OS << ">"; 648 if (offset > 0) 649 OS << " + " << offset; 650 else 651 OS << " " << offset; 652 if (unsigned int TF = BA->getTargetFlags()) 653 OS << " [TF=" << TF << ']'; 654 } else if (const AddrSpaceCastSDNode *ASC = 655 dyn_cast<AddrSpaceCastSDNode>(this)) { 656 OS << '[' 657 << ASC->getSrcAddressSpace() 658 << " -> " 659 << ASC->getDestAddressSpace() 660 << ']'; 661 } 662 663 if (VerboseDAGDumping) { 664 if (unsigned Order = getIROrder()) 665 OS << " [ORD=" << Order << ']'; 666 667 if (getNodeId() != -1) 668 OS << " [ID=" << getNodeId() << ']'; 669 if (!(isa<ConstantSDNode>(this) || (isa<ConstantFPSDNode>(this)))) 670 OS << "# D:" << isDivergent(); 671 672 if (!G) 673 return; 674 675 DILocation *L = getDebugLoc(); 676 if (!L) 677 return; 678 679 if (auto *Scope = L->getScope()) 680 OS << Scope->getFilename(); 681 else 682 OS << "<unknown>"; 683 OS << ':' << L->getLine(); 684 if (unsigned C = L->getColumn()) 685 OS << ':' << C; 686 687 for (SDDbgValue *Dbg : G->GetDbgValues(this)) { 688 if (Dbg->getKind() != SDDbgValue::SDNODE || Dbg->isInvalidated()) 689 continue; 690 Dbg->dump(OS); 691 } 692 } 693 } 694 695 LLVM_DUMP_METHOD void SDDbgValue::dump(raw_ostream &OS) const { 696 OS << " DbgVal"; 697 if (kind==SDNODE) 698 OS << '(' << u.s.ResNo << ')'; 699 OS << ":\"" << Var->getName() << '"'; 700 #ifndef NDEBUG 701 if (Expr->getNumElements()) 702 Expr->dump(); 703 #endif 704 } 705 706 /// Return true if this node is so simple that we should just print it inline 707 /// if it appears as an operand. 708 static bool shouldPrintInline(const SDNode &Node) { 709 if (Node.getOpcode() == ISD::EntryToken) 710 return false; 711 return Node.getNumOperands() == 0; 712 } 713 714 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 715 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { 716 for (const SDValue &Op : N->op_values()) { 717 if (shouldPrintInline(*Op.getNode())) 718 continue; 719 if (Op.getNode()->hasOneUse()) 720 DumpNodes(Op.getNode(), indent+2, G); 721 } 722 723 dbgs().indent(indent); 724 N->dump(G); 725 } 726 727 LLVM_DUMP_METHOD void SelectionDAG::dump() const { 728 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n"; 729 730 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); 731 I != E; ++I) { 732 const SDNode *N = &*I; 733 if (!N->hasOneUse() && N != getRoot().getNode() && 734 (!shouldPrintInline(*N) || N->use_empty())) 735 DumpNodes(N, 2, this); 736 } 737 738 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this); 739 dbgs() << "\n\n"; 740 } 741 #endif 742 743 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const { 744 OS << PrintNodeId(*this) << ": "; 745 print_types(OS, G); 746 OS << " = " << getOperationName(G); 747 print_details(OS, G); 748 } 749 750 static bool printOperand(raw_ostream &OS, const SelectionDAG *G, 751 const SDValue Value) { 752 if (!Value.getNode()) { 753 OS << "<null>"; 754 return false; 755 } else if (shouldPrintInline(*Value.getNode())) { 756 OS << Value->getOperationName(G) << ':'; 757 Value->print_types(OS, G); 758 Value->print_details(OS, G); 759 return true; 760 } else { 761 OS << PrintNodeId(*Value.getNode()); 762 if (unsigned RN = Value.getResNo()) 763 OS << ':' << RN; 764 return false; 765 } 766 } 767 768 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 769 using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>; 770 771 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, 772 const SelectionDAG *G, VisitedSDNodeSet &once) { 773 if (!once.insert(N).second) // If we've been here before, return now. 774 return; 775 776 // Dump the current SDNode, but don't end the line yet. 777 OS.indent(indent); 778 N->printr(OS, G); 779 780 // Having printed this SDNode, walk the children: 781 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 782 if (i) OS << ","; 783 OS << " "; 784 785 const SDValue Op = N->getOperand(i); 786 bool printedInline = printOperand(OS, G, Op); 787 if (printedInline) 788 once.insert(Op.getNode()); 789 } 790 791 OS << "\n"; 792 793 // Dump children that have grandchildren on their own line(s). 794 for (const SDValue &Op : N->op_values()) 795 DumpNodesr(OS, Op.getNode(), indent+2, G, once); 796 } 797 798 LLVM_DUMP_METHOD void SDNode::dumpr() const { 799 VisitedSDNodeSet once; 800 DumpNodesr(dbgs(), this, 0, nullptr, once); 801 } 802 803 LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const { 804 VisitedSDNodeSet once; 805 DumpNodesr(dbgs(), this, 0, G, once); 806 } 807 #endif 808 809 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, 810 const SelectionDAG *G, unsigned depth, 811 unsigned indent) { 812 if (depth == 0) 813 return; 814 815 OS.indent(indent); 816 817 N->print(OS, G); 818 819 if (depth < 1) 820 return; 821 822 for (const SDValue &Op : N->op_values()) { 823 // Don't follow chain operands. 824 if (Op.getValueType() == MVT::Other) 825 continue; 826 OS << '\n'; 827 printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2); 828 } 829 } 830 831 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, 832 unsigned depth) const { 833 printrWithDepthHelper(OS, this, G, depth, 0); 834 } 835 836 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { 837 // Don't print impossibly deep things. 838 printrWithDepth(OS, G, 10); 839 } 840 841 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 842 LLVM_DUMP_METHOD 843 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { 844 printrWithDepth(dbgs(), G, depth); 845 } 846 847 LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const { 848 // Don't print impossibly deep things. 849 dumprWithDepth(G, 10); 850 } 851 #endif 852 853 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { 854 printr(OS, G); 855 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { 856 if (i) OS << ", "; else OS << " "; 857 printOperand(OS, G, getOperand(i)); 858 } 859 if (DebugLoc DL = getDebugLoc()) { 860 OS << ", "; 861 DL.print(OS); 862 } 863 } 864