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::SPONENTRY: return "SPONENTRY"; 128 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER"; 129 case ISD::READ_REGISTER: return "READ_REGISTER"; 130 case ISD::WRITE_REGISTER: return "WRITE_REGISTER"; 131 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET"; 132 case ISD::EH_DWARF_CFA: return "EH_DWARF_CFA"; 133 case ISD::EH_RETURN: return "EH_RETURN"; 134 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP"; 135 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP"; 136 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH"; 137 case ISD::ConstantPool: return "ConstantPool"; 138 case ISD::TargetIndex: return "TargetIndex"; 139 case ISD::ExternalSymbol: return "ExternalSymbol"; 140 case ISD::BlockAddress: return "BlockAddress"; 141 case ISD::INTRINSIC_WO_CHAIN: 142 case ISD::INTRINSIC_VOID: 143 case ISD::INTRINSIC_W_CHAIN: { 144 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1; 145 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue(); 146 if (IID < Intrinsic::num_intrinsics) 147 return Intrinsic::getName((Intrinsic::ID)IID, None); 148 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo()) 149 return TII->getName(IID); 150 llvm_unreachable("Invalid intrinsic ID"); 151 } 152 153 case ISD::BUILD_VECTOR: return "BUILD_VECTOR"; 154 case ISD::TargetConstant: 155 if (cast<ConstantSDNode>(this)->isOpaque()) 156 return "OpaqueTargetConstant"; 157 return "TargetConstant"; 158 case ISD::TargetConstantFP: return "TargetConstantFP"; 159 case ISD::TargetGlobalAddress: return "TargetGlobalAddress"; 160 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress"; 161 case ISD::TargetFrameIndex: return "TargetFrameIndex"; 162 case ISD::TargetJumpTable: return "TargetJumpTable"; 163 case ISD::TargetConstantPool: return "TargetConstantPool"; 164 case ISD::TargetExternalSymbol: return "TargetExternalSymbol"; 165 case ISD::MCSymbol: return "MCSymbol"; 166 case ISD::TargetBlockAddress: return "TargetBlockAddress"; 167 168 case ISD::CopyToReg: return "CopyToReg"; 169 case ISD::CopyFromReg: return "CopyFromReg"; 170 case ISD::UNDEF: return "undef"; 171 case ISD::MERGE_VALUES: return "merge_values"; 172 case ISD::INLINEASM: return "inlineasm"; 173 case ISD::EH_LABEL: return "eh_label"; 174 case ISD::HANDLENODE: return "handlenode"; 175 176 // Unary operators 177 case ISD::FABS: return "fabs"; 178 case ISD::FMINNUM: return "fminnum"; 179 case ISD::STRICT_FMINNUM: return "strict_fminnum"; 180 case ISD::FMAXNUM: return "fmaxnum"; 181 case ISD::STRICT_FMAXNUM: return "strict_fmaxnum"; 182 case ISD::FMINNUM_IEEE: return "fminnum_ieee"; 183 case ISD::FMAXNUM_IEEE: return "fmaxnum_ieee"; 184 case ISD::FMINIMUM: return "fminimum"; 185 case ISD::FMAXIMUM: return "fmaximum"; 186 case ISD::FNEG: return "fneg"; 187 case ISD::FSQRT: return "fsqrt"; 188 case ISD::STRICT_FSQRT: return "strict_fsqrt"; 189 case ISD::FCBRT: return "fcbrt"; 190 case ISD::FSIN: return "fsin"; 191 case ISD::STRICT_FSIN: return "strict_fsin"; 192 case ISD::FCOS: return "fcos"; 193 case ISD::STRICT_FCOS: return "strict_fcos"; 194 case ISD::FSINCOS: return "fsincos"; 195 case ISD::FTRUNC: return "ftrunc"; 196 case ISD::STRICT_FTRUNC: return "strict_ftrunc"; 197 case ISD::FFLOOR: return "ffloor"; 198 case ISD::STRICT_FFLOOR: return "strict_ffloor"; 199 case ISD::FCEIL: return "fceil"; 200 case ISD::STRICT_FCEIL: return "strict_fceil"; 201 case ISD::FRINT: return "frint"; 202 case ISD::STRICT_FRINT: return "strict_frint"; 203 case ISD::FNEARBYINT: return "fnearbyint"; 204 case ISD::STRICT_FNEARBYINT: return "strict_fnearbyint"; 205 case ISD::FROUND: return "fround"; 206 case ISD::STRICT_FROUND: return "strict_fround"; 207 case ISD::FEXP: return "fexp"; 208 case ISD::STRICT_FEXP: return "strict_fexp"; 209 case ISD::FEXP2: return "fexp2"; 210 case ISD::STRICT_FEXP2: return "strict_fexp2"; 211 case ISD::FLOG: return "flog"; 212 case ISD::STRICT_FLOG: return "strict_flog"; 213 case ISD::FLOG2: return "flog2"; 214 case ISD::STRICT_FLOG2: return "strict_flog2"; 215 case ISD::FLOG10: return "flog10"; 216 case ISD::STRICT_FLOG10: return "strict_flog10"; 217 218 // Binary operators 219 case ISD::ADD: return "add"; 220 case ISD::SUB: return "sub"; 221 case ISD::MUL: return "mul"; 222 case ISD::MULHU: return "mulhu"; 223 case ISD::MULHS: return "mulhs"; 224 case ISD::SDIV: return "sdiv"; 225 case ISD::UDIV: return "udiv"; 226 case ISD::SREM: return "srem"; 227 case ISD::UREM: return "urem"; 228 case ISD::SMUL_LOHI: return "smul_lohi"; 229 case ISD::UMUL_LOHI: return "umul_lohi"; 230 case ISD::SDIVREM: return "sdivrem"; 231 case ISD::UDIVREM: return "udivrem"; 232 case ISD::AND: return "and"; 233 case ISD::OR: return "or"; 234 case ISD::XOR: return "xor"; 235 case ISD::SHL: return "shl"; 236 case ISD::SRA: return "sra"; 237 case ISD::SRL: return "srl"; 238 case ISD::ROTL: return "rotl"; 239 case ISD::ROTR: return "rotr"; 240 case ISD::FSHL: return "fshl"; 241 case ISD::FSHR: return "fshr"; 242 case ISD::FADD: return "fadd"; 243 case ISD::STRICT_FADD: return "strict_fadd"; 244 case ISD::FSUB: return "fsub"; 245 case ISD::STRICT_FSUB: return "strict_fsub"; 246 case ISD::FMUL: return "fmul"; 247 case ISD::STRICT_FMUL: return "strict_fmul"; 248 case ISD::FDIV: return "fdiv"; 249 case ISD::STRICT_FDIV: return "strict_fdiv"; 250 case ISD::FMA: return "fma"; 251 case ISD::STRICT_FMA: return "strict_fma"; 252 case ISD::FMAD: return "fmad"; 253 case ISD::FREM: return "frem"; 254 case ISD::STRICT_FREM: return "strict_frem"; 255 case ISD::FCOPYSIGN: return "fcopysign"; 256 case ISD::FGETSIGN: return "fgetsign"; 257 case ISD::FCANONICALIZE: return "fcanonicalize"; 258 case ISD::FPOW: return "fpow"; 259 case ISD::STRICT_FPOW: return "strict_fpow"; 260 case ISD::SMIN: return "smin"; 261 case ISD::SMAX: return "smax"; 262 case ISD::UMIN: return "umin"; 263 case ISD::UMAX: return "umax"; 264 265 case ISD::FPOWI: return "fpowi"; 266 case ISD::STRICT_FPOWI: return "strict_fpowi"; 267 case ISD::SETCC: return "setcc"; 268 case ISD::SETCCCARRY: return "setcccarry"; 269 case ISD::SELECT: return "select"; 270 case ISD::VSELECT: return "vselect"; 271 case ISD::SELECT_CC: return "select_cc"; 272 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt"; 273 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt"; 274 case ISD::CONCAT_VECTORS: return "concat_vectors"; 275 case ISD::INSERT_SUBVECTOR: return "insert_subvector"; 276 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector"; 277 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector"; 278 case ISD::VECTOR_SHUFFLE: return "vector_shuffle"; 279 case ISD::CARRY_FALSE: return "carry_false"; 280 case ISD::ADDC: return "addc"; 281 case ISD::ADDE: return "adde"; 282 case ISD::ADDCARRY: return "addcarry"; 283 case ISD::SADDO: return "saddo"; 284 case ISD::UADDO: return "uaddo"; 285 case ISD::SSUBO: return "ssubo"; 286 case ISD::USUBO: return "usubo"; 287 case ISD::SMULO: return "smulo"; 288 case ISD::UMULO: return "umulo"; 289 case ISD::SUBC: return "subc"; 290 case ISD::SUBE: return "sube"; 291 case ISD::SUBCARRY: return "subcarry"; 292 case ISD::SHL_PARTS: return "shl_parts"; 293 case ISD::SRA_PARTS: return "sra_parts"; 294 case ISD::SRL_PARTS: return "srl_parts"; 295 296 case ISD::SADDSAT: return "saddsat"; 297 case ISD::UADDSAT: return "uaddsat"; 298 case ISD::SSUBSAT: return "ssubsat"; 299 case ISD::USUBSAT: return "usubsat"; 300 301 // Conversion operators. 302 case ISD::SIGN_EXTEND: return "sign_extend"; 303 case ISD::ZERO_EXTEND: return "zero_extend"; 304 case ISD::ANY_EXTEND: return "any_extend"; 305 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg"; 306 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg"; 307 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg"; 308 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg"; 309 case ISD::TRUNCATE: return "truncate"; 310 case ISD::FP_ROUND: return "fp_round"; 311 case ISD::FLT_ROUNDS_: return "flt_rounds"; 312 case ISD::FP_ROUND_INREG: return "fp_round_inreg"; 313 case ISD::FP_EXTEND: return "fp_extend"; 314 315 case ISD::SINT_TO_FP: return "sint_to_fp"; 316 case ISD::UINT_TO_FP: return "uint_to_fp"; 317 case ISD::FP_TO_SINT: return "fp_to_sint"; 318 case ISD::FP_TO_UINT: return "fp_to_uint"; 319 case ISD::BITCAST: return "bitcast"; 320 case ISD::ADDRSPACECAST: return "addrspacecast"; 321 case ISD::FP16_TO_FP: return "fp16_to_fp"; 322 case ISD::FP_TO_FP16: return "fp_to_fp16"; 323 324 // Control flow instructions 325 case ISD::BR: return "br"; 326 case ISD::BRIND: return "brind"; 327 case ISD::BR_JT: return "br_jt"; 328 case ISD::BRCOND: return "brcond"; 329 case ISD::BR_CC: return "br_cc"; 330 case ISD::CALLSEQ_START: return "callseq_start"; 331 case ISD::CALLSEQ_END: return "callseq_end"; 332 333 // EH instructions 334 case ISD::CATCHRET: return "catchret"; 335 case ISD::CLEANUPRET: return "cleanupret"; 336 337 // Other operators 338 case ISD::LOAD: return "load"; 339 case ISD::STORE: return "store"; 340 case ISD::MLOAD: return "masked_load"; 341 case ISD::MSTORE: return "masked_store"; 342 case ISD::MGATHER: return "masked_gather"; 343 case ISD::MSCATTER: return "masked_scatter"; 344 case ISD::VAARG: return "vaarg"; 345 case ISD::VACOPY: return "vacopy"; 346 case ISD::VAEND: return "vaend"; 347 case ISD::VASTART: return "vastart"; 348 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc"; 349 case ISD::EXTRACT_ELEMENT: return "extract_element"; 350 case ISD::BUILD_PAIR: return "build_pair"; 351 case ISD::STACKSAVE: return "stacksave"; 352 case ISD::STACKRESTORE: return "stackrestore"; 353 case ISD::TRAP: return "trap"; 354 case ISD::DEBUGTRAP: return "debugtrap"; 355 case ISD::LIFETIME_START: return "lifetime.start"; 356 case ISD::LIFETIME_END: return "lifetime.end"; 357 case ISD::GC_TRANSITION_START: return "gc_transition.start"; 358 case ISD::GC_TRANSITION_END: return "gc_transition.end"; 359 case ISD::GET_DYNAMIC_AREA_OFFSET: return "get.dynamic.area.offset"; 360 361 // Bit manipulation 362 case ISD::ABS: return "abs"; 363 case ISD::BITREVERSE: return "bitreverse"; 364 case ISD::BSWAP: return "bswap"; 365 case ISD::CTPOP: return "ctpop"; 366 case ISD::CTTZ: return "cttz"; 367 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef"; 368 case ISD::CTLZ: return "ctlz"; 369 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef"; 370 371 // Trampolines 372 case ISD::INIT_TRAMPOLINE: return "init_trampoline"; 373 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline"; 374 375 case ISD::CONDCODE: 376 switch (cast<CondCodeSDNode>(this)->get()) { 377 default: llvm_unreachable("Unknown setcc condition!"); 378 case ISD::SETOEQ: return "setoeq"; 379 case ISD::SETOGT: return "setogt"; 380 case ISD::SETOGE: return "setoge"; 381 case ISD::SETOLT: return "setolt"; 382 case ISD::SETOLE: return "setole"; 383 case ISD::SETONE: return "setone"; 384 385 case ISD::SETO: return "seto"; 386 case ISD::SETUO: return "setuo"; 387 case ISD::SETUEQ: return "setueq"; 388 case ISD::SETUGT: return "setugt"; 389 case ISD::SETUGE: return "setuge"; 390 case ISD::SETULT: return "setult"; 391 case ISD::SETULE: return "setule"; 392 case ISD::SETUNE: return "setune"; 393 394 case ISD::SETEQ: return "seteq"; 395 case ISD::SETGT: return "setgt"; 396 case ISD::SETGE: return "setge"; 397 case ISD::SETLT: return "setlt"; 398 case ISD::SETLE: return "setle"; 399 case ISD::SETNE: return "setne"; 400 401 case ISD::SETTRUE: return "settrue"; 402 case ISD::SETTRUE2: return "settrue2"; 403 case ISD::SETFALSE: return "setfalse"; 404 case ISD::SETFALSE2: return "setfalse2"; 405 } 406 case ISD::VECREDUCE_FADD: return "vecreduce_fadd"; 407 case ISD::VECREDUCE_STRICT_FADD: return "vecreduce_strict_fadd"; 408 case ISD::VECREDUCE_FMUL: return "vecreduce_fmul"; 409 case ISD::VECREDUCE_STRICT_FMUL: return "vecreduce_strict_fmul"; 410 case ISD::VECREDUCE_ADD: return "vecreduce_add"; 411 case ISD::VECREDUCE_MUL: return "vecreduce_mul"; 412 case ISD::VECREDUCE_AND: return "vecreduce_and"; 413 case ISD::VECREDUCE_OR: return "vecreduce_or"; 414 case ISD::VECREDUCE_XOR: return "vecreduce_xor"; 415 case ISD::VECREDUCE_SMAX: return "vecreduce_smax"; 416 case ISD::VECREDUCE_SMIN: return "vecreduce_smin"; 417 case ISD::VECREDUCE_UMAX: return "vecreduce_umax"; 418 case ISD::VECREDUCE_UMIN: return "vecreduce_umin"; 419 case ISD::VECREDUCE_FMAX: return "vecreduce_fmax"; 420 case ISD::VECREDUCE_FMIN: return "vecreduce_fmin"; 421 } 422 } 423 424 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) { 425 switch (AM) { 426 default: return ""; 427 case ISD::PRE_INC: return "<pre-inc>"; 428 case ISD::PRE_DEC: return "<pre-dec>"; 429 case ISD::POST_INC: return "<post-inc>"; 430 case ISD::POST_DEC: return "<post-dec>"; 431 } 432 } 433 434 static Printable PrintNodeId(const SDNode &Node) { 435 return Printable([&Node](raw_ostream &OS) { 436 #ifndef NDEBUG 437 OS << 't' << Node.PersistentId; 438 #else 439 OS << (const void*)&Node; 440 #endif 441 }); 442 } 443 444 // Print the MMO with more information from the SelectionDAG. 445 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO, 446 const MachineFunction *MF, const Module *M, 447 const MachineFrameInfo *MFI, 448 const TargetInstrInfo *TII, LLVMContext &Ctx) { 449 ModuleSlotTracker MST(M); 450 if (MF) 451 MST.incorporateFunction(MF->getFunction()); 452 SmallVector<StringRef, 0> SSNs; 453 MMO.print(OS, MST, SSNs, Ctx, MFI, TII); 454 } 455 456 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO, 457 const SelectionDAG *G) { 458 if (G) { 459 const MachineFunction *MF = &G->getMachineFunction(); 460 return printMemOperand(OS, MMO, MF, MF->getFunction().getParent(), 461 &MF->getFrameInfo(), G->getSubtarget().getInstrInfo(), 462 *G->getContext()); 463 } else { 464 LLVMContext Ctx; 465 return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr, 466 /*MFI=*/nullptr, /*TII=*/nullptr, Ctx); 467 } 468 } 469 470 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 471 LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); } 472 473 LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const { 474 print(dbgs(), G); 475 dbgs() << '\n'; 476 } 477 #endif 478 479 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { 480 for (unsigned i = 0, e = getNumValues(); i != e; ++i) { 481 if (i) OS << ","; 482 if (getValueType(i) == MVT::Other) 483 OS << "ch"; 484 else 485 OS << getValueType(i).getEVTString(); 486 } 487 } 488 489 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { 490 if (getFlags().hasNoUnsignedWrap()) 491 OS << " nuw"; 492 493 if (getFlags().hasNoSignedWrap()) 494 OS << " nsw"; 495 496 if (getFlags().hasExact()) 497 OS << " exact"; 498 499 if (getFlags().hasNoNaNs()) 500 OS << " nnan"; 501 502 if (getFlags().hasNoInfs()) 503 OS << " ninf"; 504 505 if (getFlags().hasNoSignedZeros()) 506 OS << " nsz"; 507 508 if (getFlags().hasAllowReciprocal()) 509 OS << " arcp"; 510 511 if (getFlags().hasAllowContract()) 512 OS << " contract"; 513 514 if (getFlags().hasApproximateFuncs()) 515 OS << " afn"; 516 517 if (getFlags().hasAllowReassociation()) 518 OS << " reassoc"; 519 520 if (getFlags().hasVectorReduction()) 521 OS << " vector-reduction"; 522 523 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { 524 if (!MN->memoperands_empty()) { 525 OS << "<"; 526 OS << "Mem:"; 527 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), 528 e = MN->memoperands_end(); i != e; ++i) { 529 printMemOperand(OS, **i, G); 530 if (std::next(i) != e) 531 OS << " "; 532 } 533 OS << ">"; 534 } 535 } else if (const ShuffleVectorSDNode *SVN = 536 dyn_cast<ShuffleVectorSDNode>(this)) { 537 OS << "<"; 538 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { 539 int Idx = SVN->getMaskElt(i); 540 if (i) OS << ","; 541 if (Idx < 0) 542 OS << "u"; 543 else 544 OS << Idx; 545 } 546 OS << ">"; 547 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { 548 OS << '<' << CSDN->getAPIntValue() << '>'; 549 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { 550 if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle()) 551 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; 552 else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble()) 553 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; 554 else { 555 OS << "<APFloat("; 556 CSDN->getValueAPF().bitcastToAPInt().print(OS, false); 557 OS << ")>"; 558 } 559 } else if (const GlobalAddressSDNode *GADN = 560 dyn_cast<GlobalAddressSDNode>(this)) { 561 int64_t offset = GADN->getOffset(); 562 OS << '<'; 563 GADN->getGlobal()->printAsOperand(OS); 564 OS << '>'; 565 if (offset > 0) 566 OS << " + " << offset; 567 else 568 OS << " " << offset; 569 if (unsigned int TF = GADN->getTargetFlags()) 570 OS << " [TF=" << TF << ']'; 571 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { 572 OS << "<" << FIDN->getIndex() << ">"; 573 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { 574 OS << "<" << JTDN->getIndex() << ">"; 575 if (unsigned int TF = JTDN->getTargetFlags()) 576 OS << " [TF=" << TF << ']'; 577 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ 578 int offset = CP->getOffset(); 579 if (CP->isMachineConstantPoolEntry()) 580 OS << "<" << *CP->getMachineCPVal() << ">"; 581 else 582 OS << "<" << *CP->getConstVal() << ">"; 583 if (offset > 0) 584 OS << " + " << offset; 585 else 586 OS << " " << offset; 587 if (unsigned int TF = CP->getTargetFlags()) 588 OS << " [TF=" << TF << ']'; 589 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { 590 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; 591 if (unsigned TF = TI->getTargetFlags()) 592 OS << " [TF=" << TF << ']'; 593 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { 594 OS << "<"; 595 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); 596 if (LBB) 597 OS << LBB->getName() << " "; 598 OS << (const void*)BBDN->getBasicBlock() << ">"; 599 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { 600 OS << ' ' << printReg(R->getReg(), 601 G ? G->getSubtarget().getRegisterInfo() : nullptr); 602 } else if (const ExternalSymbolSDNode *ES = 603 dyn_cast<ExternalSymbolSDNode>(this)) { 604 OS << "'" << ES->getSymbol() << "'"; 605 if (unsigned int TF = ES->getTargetFlags()) 606 OS << " [TF=" << TF << ']'; 607 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { 608 if (M->getValue()) 609 OS << "<" << M->getValue() << ">"; 610 else 611 OS << "<null>"; 612 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { 613 if (MD->getMD()) 614 OS << "<" << MD->getMD() << ">"; 615 else 616 OS << "<null>"; 617 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { 618 OS << ":" << N->getVT().getEVTString(); 619 } 620 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { 621 OS << "<"; 622 623 printMemOperand(OS, *LD->getMemOperand(), G); 624 625 bool doExt = true; 626 switch (LD->getExtensionType()) { 627 default: doExt = false; break; 628 case ISD::EXTLOAD: OS << ", anyext"; break; 629 case ISD::SEXTLOAD: OS << ", sext"; break; 630 case ISD::ZEXTLOAD: OS << ", zext"; break; 631 } 632 if (doExt) 633 OS << " from " << LD->getMemoryVT().getEVTString(); 634 635 const char *AM = getIndexedModeName(LD->getAddressingMode()); 636 if (*AM) 637 OS << ", " << AM; 638 639 OS << ">"; 640 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { 641 OS << "<"; 642 printMemOperand(OS, *ST->getMemOperand(), G); 643 644 if (ST->isTruncatingStore()) 645 OS << ", trunc to " << ST->getMemoryVT().getEVTString(); 646 647 const char *AM = getIndexedModeName(ST->getAddressingMode()); 648 if (*AM) 649 OS << ", " << AM; 650 651 OS << ">"; 652 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { 653 OS << "<"; 654 printMemOperand(OS, *M->getMemOperand(), G); 655 OS << ">"; 656 } else if (const BlockAddressSDNode *BA = 657 dyn_cast<BlockAddressSDNode>(this)) { 658 int64_t offset = BA->getOffset(); 659 OS << "<"; 660 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); 661 OS << ", "; 662 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); 663 OS << ">"; 664 if (offset > 0) 665 OS << " + " << offset; 666 else 667 OS << " " << offset; 668 if (unsigned int TF = BA->getTargetFlags()) 669 OS << " [TF=" << TF << ']'; 670 } else if (const AddrSpaceCastSDNode *ASC = 671 dyn_cast<AddrSpaceCastSDNode>(this)) { 672 OS << '[' 673 << ASC->getSrcAddressSpace() 674 << " -> " 675 << ASC->getDestAddressSpace() 676 << ']'; 677 } 678 679 if (VerboseDAGDumping) { 680 if (unsigned Order = getIROrder()) 681 OS << " [ORD=" << Order << ']'; 682 683 if (getNodeId() != -1) 684 OS << " [ID=" << getNodeId() << ']'; 685 if (!(isa<ConstantSDNode>(this) || (isa<ConstantFPSDNode>(this)))) 686 OS << "# D:" << isDivergent(); 687 688 if (!G) 689 return; 690 691 DILocation *L = getDebugLoc(); 692 if (!L) 693 return; 694 695 if (auto *Scope = L->getScope()) 696 OS << Scope->getFilename(); 697 else 698 OS << "<unknown>"; 699 OS << ':' << L->getLine(); 700 if (unsigned C = L->getColumn()) 701 OS << ':' << C; 702 703 for (SDDbgValue *Dbg : G->GetDbgValues(this)) { 704 if (Dbg->getKind() != SDDbgValue::SDNODE || Dbg->isInvalidated()) 705 continue; 706 Dbg->dump(OS); 707 } 708 } 709 } 710 711 LLVM_DUMP_METHOD void SDDbgValue::dump(raw_ostream &OS) const { 712 OS << " DbgVal"; 713 if (kind==SDNODE) 714 OS << '(' << u.s.ResNo << ')'; 715 OS << ":\"" << Var->getName() << '"'; 716 #ifndef NDEBUG 717 if (Expr->getNumElements()) 718 Expr->dump(); 719 #endif 720 } 721 722 /// Return true if this node is so simple that we should just print it inline 723 /// if it appears as an operand. 724 static bool shouldPrintInline(const SDNode &Node) { 725 if (Node.getOpcode() == ISD::EntryToken) 726 return false; 727 return Node.getNumOperands() == 0; 728 } 729 730 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 731 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { 732 for (const SDValue &Op : N->op_values()) { 733 if (shouldPrintInline(*Op.getNode())) 734 continue; 735 if (Op.getNode()->hasOneUse()) 736 DumpNodes(Op.getNode(), indent+2, G); 737 } 738 739 dbgs().indent(indent); 740 N->dump(G); 741 } 742 743 LLVM_DUMP_METHOD void SelectionDAG::dump() const { 744 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n"; 745 746 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); 747 I != E; ++I) { 748 const SDNode *N = &*I; 749 if (!N->hasOneUse() && N != getRoot().getNode() && 750 (!shouldPrintInline(*N) || N->use_empty())) 751 DumpNodes(N, 2, this); 752 } 753 754 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this); 755 dbgs() << "\n\n"; 756 } 757 #endif 758 759 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const { 760 OS << PrintNodeId(*this) << ": "; 761 print_types(OS, G); 762 OS << " = " << getOperationName(G); 763 print_details(OS, G); 764 } 765 766 static bool printOperand(raw_ostream &OS, const SelectionDAG *G, 767 const SDValue Value) { 768 if (!Value.getNode()) { 769 OS << "<null>"; 770 return false; 771 } else if (shouldPrintInline(*Value.getNode())) { 772 OS << Value->getOperationName(G) << ':'; 773 Value->print_types(OS, G); 774 Value->print_details(OS, G); 775 return true; 776 } else { 777 OS << PrintNodeId(*Value.getNode()); 778 if (unsigned RN = Value.getResNo()) 779 OS << ':' << RN; 780 return false; 781 } 782 } 783 784 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 785 using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>; 786 787 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, 788 const SelectionDAG *G, VisitedSDNodeSet &once) { 789 if (!once.insert(N).second) // If we've been here before, return now. 790 return; 791 792 // Dump the current SDNode, but don't end the line yet. 793 OS.indent(indent); 794 N->printr(OS, G); 795 796 // Having printed this SDNode, walk the children: 797 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 798 if (i) OS << ","; 799 OS << " "; 800 801 const SDValue Op = N->getOperand(i); 802 bool printedInline = printOperand(OS, G, Op); 803 if (printedInline) 804 once.insert(Op.getNode()); 805 } 806 807 OS << "\n"; 808 809 // Dump children that have grandchildren on their own line(s). 810 for (const SDValue &Op : N->op_values()) 811 DumpNodesr(OS, Op.getNode(), indent+2, G, once); 812 } 813 814 LLVM_DUMP_METHOD void SDNode::dumpr() const { 815 VisitedSDNodeSet once; 816 DumpNodesr(dbgs(), this, 0, nullptr, once); 817 } 818 819 LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const { 820 VisitedSDNodeSet once; 821 DumpNodesr(dbgs(), this, 0, G, once); 822 } 823 #endif 824 825 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, 826 const SelectionDAG *G, unsigned depth, 827 unsigned indent) { 828 if (depth == 0) 829 return; 830 831 OS.indent(indent); 832 833 N->print(OS, G); 834 835 if (depth < 1) 836 return; 837 838 for (const SDValue &Op : N->op_values()) { 839 // Don't follow chain operands. 840 if (Op.getValueType() == MVT::Other) 841 continue; 842 OS << '\n'; 843 printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2); 844 } 845 } 846 847 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, 848 unsigned depth) const { 849 printrWithDepthHelper(OS, this, G, depth, 0); 850 } 851 852 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { 853 // Don't print impossibly deep things. 854 printrWithDepth(OS, G, 10); 855 } 856 857 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 858 LLVM_DUMP_METHOD 859 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { 860 printrWithDepth(dbgs(), G, depth); 861 } 862 863 LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const { 864 // Don't print impossibly deep things. 865 dumprWithDepth(G, 10); 866 } 867 #endif 868 869 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { 870 printr(OS, G); 871 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { 872 if (i) OS << ", "; else OS << " "; 873 printOperand(OS, G, getOperand(i)); 874 } 875 if (DebugLoc DL = getDebugLoc()) { 876 OS << ", "; 877 DL.print(OS); 878 } 879 } 880