1 //===- SelectionDAGDumper.cpp - Implement SelectionDAG::dump() ------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This implements the SelectionDAG::dump method and friends. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "llvm/ADT/APFloat.h" 14 #include "llvm/ADT/APInt.h" 15 #include "llvm/ADT/None.h" 16 #include "llvm/ADT/SmallPtrSet.h" 17 #include "llvm/ADT/StringExtras.h" 18 #include "llvm/CodeGen/ISDOpcodes.h" 19 #include "llvm/CodeGen/MachineBasicBlock.h" 20 #include "llvm/CodeGen/MachineConstantPool.h" 21 #include "llvm/CodeGen/MachineMemOperand.h" 22 #include "llvm/CodeGen/SelectionDAG.h" 23 #include "llvm/CodeGen/SelectionDAGNodes.h" 24 #include "llvm/CodeGen/TargetInstrInfo.h" 25 #include "llvm/CodeGen/TargetLowering.h" 26 #include "llvm/CodeGen/TargetRegisterInfo.h" 27 #include "llvm/CodeGen/TargetSubtargetInfo.h" 28 #include "llvm/CodeGen/ValueTypes.h" 29 #include "llvm/Config/llvm-config.h" 30 #include "llvm/IR/BasicBlock.h" 31 #include "llvm/IR/Constants.h" 32 #include "llvm/IR/DebugInfoMetadata.h" 33 #include "llvm/IR/DebugLoc.h" 34 #include "llvm/IR/Function.h" 35 #include "llvm/IR/Intrinsics.h" 36 #include "llvm/IR/ModuleSlotTracker.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/MachineValueType.h" 44 #include "llvm/Support/Printable.h" 45 #include "llvm/Support/raw_ostream.h" 46 #include "llvm/Target/TargetIntrinsicInfo.h" 47 #include "llvm/Target/TargetMachine.h" 48 #include "SDNodeDbgValue.h" 49 #include <cstdint> 50 #include <iterator> 51 52 using namespace llvm; 53 54 static cl::opt<bool> 55 VerboseDAGDumping("dag-dump-verbose", cl::Hidden, 56 cl::desc("Display more information when dumping selection " 57 "DAG nodes.")); 58 59 std::string SDNode::getOperationName(const SelectionDAG *G) const { 60 switch (getOpcode()) { 61 default: 62 if (getOpcode() < ISD::BUILTIN_OP_END) 63 return "<<Unknown DAG Node>>"; 64 if (isMachineOpcode()) { 65 if (G) 66 if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo()) 67 if (getMachineOpcode() < TII->getNumOpcodes()) 68 return std::string(TII->getName(getMachineOpcode())); 69 return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>"; 70 } 71 if (G) { 72 const TargetLowering &TLI = G->getTargetLoweringInfo(); 73 const char *Name = TLI.getTargetNodeName(getOpcode()); 74 if (Name) return Name; 75 return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>"; 76 } 77 return "<<Unknown Node #" + utostr(getOpcode()) + ">>"; 78 79 #ifndef NDEBUG 80 case ISD::DELETED_NODE: return "<<Deleted Node!>>"; 81 #endif 82 case ISD::PREFETCH: return "Prefetch"; 83 case ISD::ATOMIC_FENCE: return "AtomicFence"; 84 case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap"; 85 case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess"; 86 case ISD::ATOMIC_SWAP: return "AtomicSwap"; 87 case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd"; 88 case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub"; 89 case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd"; 90 case ISD::ATOMIC_LOAD_CLR: return "AtomicLoadClr"; 91 case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr"; 92 case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor"; 93 case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand"; 94 case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin"; 95 case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax"; 96 case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin"; 97 case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax"; 98 case ISD::ATOMIC_LOAD_FADD: return "AtomicLoadFAdd"; 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 case ISD::AssertAlign: return "AssertAlign"; 110 111 case ISD::BasicBlock: return "BasicBlock"; 112 case ISD::VALUETYPE: return "ValueType"; 113 case ISD::Register: return "Register"; 114 case ISD::RegisterMask: return "RegisterMask"; 115 case ISD::Constant: 116 if (cast<ConstantSDNode>(this)->isOpaque()) 117 return "OpaqueConstant"; 118 return "Constant"; 119 case ISD::ConstantFP: return "ConstantFP"; 120 case ISD::GlobalAddress: return "GlobalAddress"; 121 case ISD::GlobalTLSAddress: return "GlobalTLSAddress"; 122 case ISD::FrameIndex: return "FrameIndex"; 123 case ISD::JumpTable: return "JumpTable"; 124 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE"; 125 case ISD::RETURNADDR: return "RETURNADDR"; 126 case ISD::ADDROFRETURNADDR: return "ADDROFRETURNADDR"; 127 case ISD::FRAMEADDR: return "FRAMEADDR"; 128 case ISD::SPONENTRY: return "SPONENTRY"; 129 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER"; 130 case ISD::READ_REGISTER: return "READ_REGISTER"; 131 case ISD::WRITE_REGISTER: return "WRITE_REGISTER"; 132 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET"; 133 case ISD::EH_DWARF_CFA: return "EH_DWARF_CFA"; 134 case ISD::EH_RETURN: return "EH_RETURN"; 135 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP"; 136 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP"; 137 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH"; 138 case ISD::ConstantPool: return "ConstantPool"; 139 case ISD::TargetIndex: return "TargetIndex"; 140 case ISD::ExternalSymbol: return "ExternalSymbol"; 141 case ISD::BlockAddress: return "BlockAddress"; 142 case ISD::INTRINSIC_WO_CHAIN: 143 case ISD::INTRINSIC_VOID: 144 case ISD::INTRINSIC_W_CHAIN: { 145 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1; 146 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue(); 147 if (IID < Intrinsic::num_intrinsics) 148 return Intrinsic::getName((Intrinsic::ID)IID, None); 149 else if (!G) 150 return "Unknown intrinsic"; 151 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo()) 152 return TII->getName(IID); 153 llvm_unreachable("Invalid intrinsic ID"); 154 } 155 156 case ISD::BUILD_VECTOR: return "BUILD_VECTOR"; 157 case ISD::TargetConstant: 158 if (cast<ConstantSDNode>(this)->isOpaque()) 159 return "OpaqueTargetConstant"; 160 return "TargetConstant"; 161 case ISD::TargetConstantFP: return "TargetConstantFP"; 162 case ISD::TargetGlobalAddress: return "TargetGlobalAddress"; 163 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress"; 164 case ISD::TargetFrameIndex: return "TargetFrameIndex"; 165 case ISD::TargetJumpTable: return "TargetJumpTable"; 166 case ISD::TargetConstantPool: return "TargetConstantPool"; 167 case ISD::TargetExternalSymbol: return "TargetExternalSymbol"; 168 case ISD::MCSymbol: return "MCSymbol"; 169 case ISD::TargetBlockAddress: return "TargetBlockAddress"; 170 171 case ISD::CopyToReg: return "CopyToReg"; 172 case ISD::CopyFromReg: return "CopyFromReg"; 173 case ISD::UNDEF: return "undef"; 174 case ISD::VSCALE: return "vscale"; 175 case ISD::MERGE_VALUES: return "merge_values"; 176 case ISD::INLINEASM: return "inlineasm"; 177 case ISD::INLINEASM_BR: return "inlineasm_br"; 178 case ISD::EH_LABEL: return "eh_label"; 179 case ISD::ANNOTATION_LABEL: return "annotation_label"; 180 case ISD::HANDLENODE: return "handlenode"; 181 182 // Unary operators 183 case ISD::FABS: return "fabs"; 184 case ISD::FMINNUM: return "fminnum"; 185 case ISD::STRICT_FMINNUM: return "strict_fminnum"; 186 case ISD::FMAXNUM: return "fmaxnum"; 187 case ISD::STRICT_FMAXNUM: return "strict_fmaxnum"; 188 case ISD::FMINNUM_IEEE: return "fminnum_ieee"; 189 case ISD::FMAXNUM_IEEE: return "fmaxnum_ieee"; 190 case ISD::FMINIMUM: return "fminimum"; 191 case ISD::STRICT_FMINIMUM: return "strict_fminimum"; 192 case ISD::FMAXIMUM: return "fmaximum"; 193 case ISD::STRICT_FMAXIMUM: return "strict_fmaximum"; 194 case ISD::FNEG: return "fneg"; 195 case ISD::FSQRT: return "fsqrt"; 196 case ISD::STRICT_FSQRT: return "strict_fsqrt"; 197 case ISD::FCBRT: return "fcbrt"; 198 case ISD::FSIN: return "fsin"; 199 case ISD::STRICT_FSIN: return "strict_fsin"; 200 case ISD::FCOS: return "fcos"; 201 case ISD::STRICT_FCOS: return "strict_fcos"; 202 case ISD::FSINCOS: return "fsincos"; 203 case ISD::FTRUNC: return "ftrunc"; 204 case ISD::STRICT_FTRUNC: return "strict_ftrunc"; 205 case ISD::FFLOOR: return "ffloor"; 206 case ISD::STRICT_FFLOOR: return "strict_ffloor"; 207 case ISD::FCEIL: return "fceil"; 208 case ISD::STRICT_FCEIL: return "strict_fceil"; 209 case ISD::FRINT: return "frint"; 210 case ISD::STRICT_FRINT: return "strict_frint"; 211 case ISD::FNEARBYINT: return "fnearbyint"; 212 case ISD::STRICT_FNEARBYINT: return "strict_fnearbyint"; 213 case ISD::FROUND: return "fround"; 214 case ISD::STRICT_FROUND: return "strict_fround"; 215 case ISD::FROUNDEVEN: return "froundeven"; 216 case ISD::STRICT_FROUNDEVEN: return "strict_froundeven"; 217 case ISD::FEXP: return "fexp"; 218 case ISD::STRICT_FEXP: return "strict_fexp"; 219 case ISD::FEXP2: return "fexp2"; 220 case ISD::STRICT_FEXP2: return "strict_fexp2"; 221 case ISD::FLOG: return "flog"; 222 case ISD::STRICT_FLOG: return "strict_flog"; 223 case ISD::FLOG2: return "flog2"; 224 case ISD::STRICT_FLOG2: return "strict_flog2"; 225 case ISD::FLOG10: return "flog10"; 226 case ISD::STRICT_FLOG10: return "strict_flog10"; 227 228 // Binary operators 229 case ISD::ADD: return "add"; 230 case ISD::SUB: return "sub"; 231 case ISD::MUL: return "mul"; 232 case ISD::MULHU: return "mulhu"; 233 case ISD::MULHS: return "mulhs"; 234 case ISD::SDIV: return "sdiv"; 235 case ISD::UDIV: return "udiv"; 236 case ISD::SREM: return "srem"; 237 case ISD::UREM: return "urem"; 238 case ISD::SMUL_LOHI: return "smul_lohi"; 239 case ISD::UMUL_LOHI: return "umul_lohi"; 240 case ISD::SDIVREM: return "sdivrem"; 241 case ISD::UDIVREM: return "udivrem"; 242 case ISD::AND: return "and"; 243 case ISD::OR: return "or"; 244 case ISD::XOR: return "xor"; 245 case ISD::SHL: return "shl"; 246 case ISD::SRA: return "sra"; 247 case ISD::SRL: return "srl"; 248 case ISD::ROTL: return "rotl"; 249 case ISD::ROTR: return "rotr"; 250 case ISD::FSHL: return "fshl"; 251 case ISD::FSHR: return "fshr"; 252 case ISD::FADD: return "fadd"; 253 case ISD::STRICT_FADD: return "strict_fadd"; 254 case ISD::FSUB: return "fsub"; 255 case ISD::STRICT_FSUB: return "strict_fsub"; 256 case ISD::FMUL: return "fmul"; 257 case ISD::STRICT_FMUL: return "strict_fmul"; 258 case ISD::FDIV: return "fdiv"; 259 case ISD::STRICT_FDIV: return "strict_fdiv"; 260 case ISD::FMA: return "fma"; 261 case ISD::STRICT_FMA: return "strict_fma"; 262 case ISD::FMAD: return "fmad"; 263 case ISD::FREM: return "frem"; 264 case ISD::STRICT_FREM: return "strict_frem"; 265 case ISD::FCOPYSIGN: return "fcopysign"; 266 case ISD::FGETSIGN: return "fgetsign"; 267 case ISD::FCANONICALIZE: return "fcanonicalize"; 268 case ISD::FPOW: return "fpow"; 269 case ISD::STRICT_FPOW: return "strict_fpow"; 270 case ISD::SMIN: return "smin"; 271 case ISD::SMAX: return "smax"; 272 case ISD::UMIN: return "umin"; 273 case ISD::UMAX: return "umax"; 274 275 case ISD::FPOWI: return "fpowi"; 276 case ISD::STRICT_FPOWI: return "strict_fpowi"; 277 case ISD::SETCC: return "setcc"; 278 case ISD::SETCCCARRY: return "setcccarry"; 279 case ISD::STRICT_FSETCC: return "strict_fsetcc"; 280 case ISD::STRICT_FSETCCS: return "strict_fsetccs"; 281 case ISD::SELECT: return "select"; 282 case ISD::VSELECT: return "vselect"; 283 case ISD::SELECT_CC: return "select_cc"; 284 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt"; 285 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt"; 286 case ISD::CONCAT_VECTORS: return "concat_vectors"; 287 case ISD::INSERT_SUBVECTOR: return "insert_subvector"; 288 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector"; 289 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector"; 290 case ISD::VECTOR_SHUFFLE: return "vector_shuffle"; 291 case ISD::SPLAT_VECTOR: return "splat_vector"; 292 case ISD::CARRY_FALSE: return "carry_false"; 293 case ISD::ADDC: return "addc"; 294 case ISD::ADDE: return "adde"; 295 case ISD::ADDCARRY: return "addcarry"; 296 case ISD::SADDO: return "saddo"; 297 case ISD::UADDO: return "uaddo"; 298 case ISD::SSUBO: return "ssubo"; 299 case ISD::USUBO: return "usubo"; 300 case ISD::SMULO: return "smulo"; 301 case ISD::UMULO: return "umulo"; 302 case ISD::SUBC: return "subc"; 303 case ISD::SUBE: return "sube"; 304 case ISD::SUBCARRY: return "subcarry"; 305 case ISD::SHL_PARTS: return "shl_parts"; 306 case ISD::SRA_PARTS: return "sra_parts"; 307 case ISD::SRL_PARTS: return "srl_parts"; 308 309 case ISD::SADDSAT: return "saddsat"; 310 case ISD::UADDSAT: return "uaddsat"; 311 case ISD::SSUBSAT: return "ssubsat"; 312 case ISD::USUBSAT: return "usubsat"; 313 case ISD::SSHLSAT: return "sshlsat"; 314 case ISD::USHLSAT: return "ushlsat"; 315 316 case ISD::SMULFIX: return "smulfix"; 317 case ISD::SMULFIXSAT: return "smulfixsat"; 318 case ISD::UMULFIX: return "umulfix"; 319 case ISD::UMULFIXSAT: return "umulfixsat"; 320 321 case ISD::SDIVFIX: return "sdivfix"; 322 case ISD::SDIVFIXSAT: return "sdivfixsat"; 323 case ISD::UDIVFIX: return "udivfix"; 324 case ISD::UDIVFIXSAT: return "udivfixsat"; 325 326 // Conversion operators. 327 case ISD::SIGN_EXTEND: return "sign_extend"; 328 case ISD::ZERO_EXTEND: return "zero_extend"; 329 case ISD::ANY_EXTEND: return "any_extend"; 330 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg"; 331 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg"; 332 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg"; 333 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg"; 334 case ISD::TRUNCATE: return "truncate"; 335 case ISD::FP_ROUND: return "fp_round"; 336 case ISD::STRICT_FP_ROUND: return "strict_fp_round"; 337 case ISD::FLT_ROUNDS_: return "flt_rounds"; 338 case ISD::FP_EXTEND: return "fp_extend"; 339 case ISD::STRICT_FP_EXTEND: return "strict_fp_extend"; 340 341 case ISD::SINT_TO_FP: return "sint_to_fp"; 342 case ISD::STRICT_SINT_TO_FP: return "strict_sint_to_fp"; 343 case ISD::UINT_TO_FP: return "uint_to_fp"; 344 case ISD::STRICT_UINT_TO_FP: return "strict_uint_to_fp"; 345 case ISD::FP_TO_SINT: return "fp_to_sint"; 346 case ISD::STRICT_FP_TO_SINT: return "strict_fp_to_sint"; 347 case ISD::FP_TO_UINT: return "fp_to_uint"; 348 case ISD::STRICT_FP_TO_UINT: return "strict_fp_to_uint"; 349 case ISD::BITCAST: return "bitcast"; 350 case ISD::ADDRSPACECAST: return "addrspacecast"; 351 case ISD::FP16_TO_FP: return "fp16_to_fp"; 352 case ISD::STRICT_FP16_TO_FP: return "strict_fp16_to_fp"; 353 case ISD::FP_TO_FP16: return "fp_to_fp16"; 354 case ISD::STRICT_FP_TO_FP16: return "strict_fp_to_fp16"; 355 case ISD::LROUND: return "lround"; 356 case ISD::STRICT_LROUND: return "strict_lround"; 357 case ISD::LLROUND: return "llround"; 358 case ISD::STRICT_LLROUND: return "strict_llround"; 359 case ISD::LRINT: return "lrint"; 360 case ISD::STRICT_LRINT: return "strict_lrint"; 361 case ISD::LLRINT: return "llrint"; 362 case ISD::STRICT_LLRINT: return "strict_llrint"; 363 364 // Control flow instructions 365 case ISD::BR: return "br"; 366 case ISD::BRIND: return "brind"; 367 case ISD::BR_JT: return "br_jt"; 368 case ISD::BRCOND: return "brcond"; 369 case ISD::BR_CC: return "br_cc"; 370 case ISD::CALLSEQ_START: return "callseq_start"; 371 case ISD::CALLSEQ_END: return "callseq_end"; 372 373 // EH instructions 374 case ISD::CATCHRET: return "catchret"; 375 case ISD::CLEANUPRET: return "cleanupret"; 376 377 // Other operators 378 case ISD::LOAD: return "load"; 379 case ISD::STORE: return "store"; 380 case ISD::MLOAD: return "masked_load"; 381 case ISD::MSTORE: return "masked_store"; 382 case ISD::MGATHER: return "masked_gather"; 383 case ISD::MSCATTER: return "masked_scatter"; 384 case ISD::VAARG: return "vaarg"; 385 case ISD::VACOPY: return "vacopy"; 386 case ISD::VAEND: return "vaend"; 387 case ISD::VASTART: return "vastart"; 388 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc"; 389 case ISD::EXTRACT_ELEMENT: return "extract_element"; 390 case ISD::BUILD_PAIR: return "build_pair"; 391 case ISD::STACKSAVE: return "stacksave"; 392 case ISD::STACKRESTORE: return "stackrestore"; 393 case ISD::TRAP: return "trap"; 394 case ISD::DEBUGTRAP: return "debugtrap"; 395 case ISD::LIFETIME_START: return "lifetime.start"; 396 case ISD::LIFETIME_END: return "lifetime.end"; 397 case ISD::GC_TRANSITION_START: return "gc_transition.start"; 398 case ISD::GC_TRANSITION_END: return "gc_transition.end"; 399 case ISD::GET_DYNAMIC_AREA_OFFSET: return "get.dynamic.area.offset"; 400 case ISD::FREEZE: return "freeze"; 401 case ISD::PREALLOCATED_SETUP: 402 return "call_setup"; 403 case ISD::PREALLOCATED_ARG: 404 return "call_alloc"; 405 406 // Bit manipulation 407 case ISD::ABS: return "abs"; 408 case ISD::BITREVERSE: return "bitreverse"; 409 case ISD::BSWAP: return "bswap"; 410 case ISD::CTPOP: return "ctpop"; 411 case ISD::CTTZ: return "cttz"; 412 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef"; 413 case ISD::CTLZ: return "ctlz"; 414 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef"; 415 case ISD::PARITY: return "parity"; 416 417 // Trampolines 418 case ISD::INIT_TRAMPOLINE: return "init_trampoline"; 419 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline"; 420 421 case ISD::CONDCODE: 422 switch (cast<CondCodeSDNode>(this)->get()) { 423 default: llvm_unreachable("Unknown setcc condition!"); 424 case ISD::SETOEQ: return "setoeq"; 425 case ISD::SETOGT: return "setogt"; 426 case ISD::SETOGE: return "setoge"; 427 case ISD::SETOLT: return "setolt"; 428 case ISD::SETOLE: return "setole"; 429 case ISD::SETONE: return "setone"; 430 431 case ISD::SETO: return "seto"; 432 case ISD::SETUO: return "setuo"; 433 case ISD::SETUEQ: return "setueq"; 434 case ISD::SETUGT: return "setugt"; 435 case ISD::SETUGE: return "setuge"; 436 case ISD::SETULT: return "setult"; 437 case ISD::SETULE: return "setule"; 438 case ISD::SETUNE: return "setune"; 439 440 case ISD::SETEQ: return "seteq"; 441 case ISD::SETGT: return "setgt"; 442 case ISD::SETGE: return "setge"; 443 case ISD::SETLT: return "setlt"; 444 case ISD::SETLE: return "setle"; 445 case ISD::SETNE: return "setne"; 446 447 case ISD::SETTRUE: return "settrue"; 448 case ISD::SETTRUE2: return "settrue2"; 449 case ISD::SETFALSE: return "setfalse"; 450 case ISD::SETFALSE2: return "setfalse2"; 451 } 452 case ISD::VECREDUCE_FADD: return "vecreduce_fadd"; 453 case ISD::VECREDUCE_STRICT_FADD: return "vecreduce_strict_fadd"; 454 case ISD::VECREDUCE_FMUL: return "vecreduce_fmul"; 455 case ISD::VECREDUCE_STRICT_FMUL: return "vecreduce_strict_fmul"; 456 case ISD::VECREDUCE_ADD: return "vecreduce_add"; 457 case ISD::VECREDUCE_MUL: return "vecreduce_mul"; 458 case ISD::VECREDUCE_AND: return "vecreduce_and"; 459 case ISD::VECREDUCE_OR: return "vecreduce_or"; 460 case ISD::VECREDUCE_XOR: return "vecreduce_xor"; 461 case ISD::VECREDUCE_SMAX: return "vecreduce_smax"; 462 case ISD::VECREDUCE_SMIN: return "vecreduce_smin"; 463 case ISD::VECREDUCE_UMAX: return "vecreduce_umax"; 464 case ISD::VECREDUCE_UMIN: return "vecreduce_umin"; 465 case ISD::VECREDUCE_FMAX: return "vecreduce_fmax"; 466 case ISD::VECREDUCE_FMIN: return "vecreduce_fmin"; 467 } 468 } 469 470 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) { 471 switch (AM) { 472 default: return ""; 473 case ISD::PRE_INC: return "<pre-inc>"; 474 case ISD::PRE_DEC: return "<pre-dec>"; 475 case ISD::POST_INC: return "<post-inc>"; 476 case ISD::POST_DEC: return "<post-dec>"; 477 } 478 } 479 480 static Printable PrintNodeId(const SDNode &Node) { 481 return Printable([&Node](raw_ostream &OS) { 482 #ifndef NDEBUG 483 OS << 't' << Node.PersistentId; 484 #else 485 OS << (const void*)&Node; 486 #endif 487 }); 488 } 489 490 // Print the MMO with more information from the SelectionDAG. 491 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO, 492 const MachineFunction *MF, const Module *M, 493 const MachineFrameInfo *MFI, 494 const TargetInstrInfo *TII, LLVMContext &Ctx) { 495 ModuleSlotTracker MST(M); 496 if (MF) 497 MST.incorporateFunction(MF->getFunction()); 498 SmallVector<StringRef, 0> SSNs; 499 MMO.print(OS, MST, SSNs, Ctx, MFI, TII); 500 } 501 502 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO, 503 const SelectionDAG *G) { 504 if (G) { 505 const MachineFunction *MF = &G->getMachineFunction(); 506 return printMemOperand(OS, MMO, MF, MF->getFunction().getParent(), 507 &MF->getFrameInfo(), G->getSubtarget().getInstrInfo(), 508 *G->getContext()); 509 } else { 510 LLVMContext Ctx; 511 return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr, 512 /*MFI=*/nullptr, /*TII=*/nullptr, Ctx); 513 } 514 } 515 516 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 517 LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); } 518 519 LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const { 520 print(dbgs(), G); 521 dbgs() << '\n'; 522 } 523 #endif 524 525 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const { 526 for (unsigned i = 0, e = getNumValues(); i != e; ++i) { 527 if (i) OS << ","; 528 if (getValueType(i) == MVT::Other) 529 OS << "ch"; 530 else 531 OS << getValueType(i).getEVTString(); 532 } 533 } 534 535 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const { 536 if (getFlags().hasNoUnsignedWrap()) 537 OS << " nuw"; 538 539 if (getFlags().hasNoSignedWrap()) 540 OS << " nsw"; 541 542 if (getFlags().hasExact()) 543 OS << " exact"; 544 545 if (getFlags().hasNoNaNs()) 546 OS << " nnan"; 547 548 if (getFlags().hasNoInfs()) 549 OS << " ninf"; 550 551 if (getFlags().hasNoSignedZeros()) 552 OS << " nsz"; 553 554 if (getFlags().hasAllowReciprocal()) 555 OS << " arcp"; 556 557 if (getFlags().hasAllowContract()) 558 OS << " contract"; 559 560 if (getFlags().hasApproximateFuncs()) 561 OS << " afn"; 562 563 if (getFlags().hasAllowReassociation()) 564 OS << " reassoc"; 565 566 if (getFlags().hasNoFPExcept()) 567 OS << " nofpexcept"; 568 569 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) { 570 if (!MN->memoperands_empty()) { 571 OS << "<"; 572 OS << "Mem:"; 573 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(), 574 e = MN->memoperands_end(); i != e; ++i) { 575 printMemOperand(OS, **i, G); 576 if (std::next(i) != e) 577 OS << " "; 578 } 579 OS << ">"; 580 } 581 } else if (const ShuffleVectorSDNode *SVN = 582 dyn_cast<ShuffleVectorSDNode>(this)) { 583 OS << "<"; 584 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) { 585 int Idx = SVN->getMaskElt(i); 586 if (i) OS << ","; 587 if (Idx < 0) 588 OS << "u"; 589 else 590 OS << Idx; 591 } 592 OS << ">"; 593 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) { 594 OS << '<' << CSDN->getAPIntValue() << '>'; 595 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) { 596 if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle()) 597 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>'; 598 else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble()) 599 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>'; 600 else { 601 OS << "<APFloat("; 602 CSDN->getValueAPF().bitcastToAPInt().print(OS, false); 603 OS << ")>"; 604 } 605 } else if (const GlobalAddressSDNode *GADN = 606 dyn_cast<GlobalAddressSDNode>(this)) { 607 int64_t offset = GADN->getOffset(); 608 OS << '<'; 609 GADN->getGlobal()->printAsOperand(OS); 610 OS << '>'; 611 if (offset > 0) 612 OS << " + " << offset; 613 else 614 OS << " " << offset; 615 if (unsigned int TF = GADN->getTargetFlags()) 616 OS << " [TF=" << TF << ']'; 617 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) { 618 OS << "<" << FIDN->getIndex() << ">"; 619 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) { 620 OS << "<" << JTDN->getIndex() << ">"; 621 if (unsigned int TF = JTDN->getTargetFlags()) 622 OS << " [TF=" << TF << ']'; 623 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){ 624 int offset = CP->getOffset(); 625 if (CP->isMachineConstantPoolEntry()) 626 OS << "<" << *CP->getMachineCPVal() << ">"; 627 else 628 OS << "<" << *CP->getConstVal() << ">"; 629 if (offset > 0) 630 OS << " + " << offset; 631 else 632 OS << " " << offset; 633 if (unsigned int TF = CP->getTargetFlags()) 634 OS << " [TF=" << TF << ']'; 635 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) { 636 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">"; 637 if (unsigned TF = TI->getTargetFlags()) 638 OS << " [TF=" << TF << ']'; 639 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) { 640 OS << "<"; 641 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock(); 642 if (LBB) 643 OS << LBB->getName() << " "; 644 OS << (const void*)BBDN->getBasicBlock() << ">"; 645 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) { 646 OS << ' ' << printReg(R->getReg(), 647 G ? G->getSubtarget().getRegisterInfo() : nullptr); 648 } else if (const ExternalSymbolSDNode *ES = 649 dyn_cast<ExternalSymbolSDNode>(this)) { 650 OS << "'" << ES->getSymbol() << "'"; 651 if (unsigned int TF = ES->getTargetFlags()) 652 OS << " [TF=" << TF << ']'; 653 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) { 654 if (M->getValue()) 655 OS << "<" << M->getValue() << ">"; 656 else 657 OS << "<null>"; 658 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) { 659 if (MD->getMD()) 660 OS << "<" << MD->getMD() << ">"; 661 else 662 OS << "<null>"; 663 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) { 664 OS << ":" << N->getVT().getEVTString(); 665 } 666 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) { 667 OS << "<"; 668 669 printMemOperand(OS, *LD->getMemOperand(), G); 670 671 bool doExt = true; 672 switch (LD->getExtensionType()) { 673 default: doExt = false; break; 674 case ISD::EXTLOAD: OS << ", anyext"; break; 675 case ISD::SEXTLOAD: OS << ", sext"; break; 676 case ISD::ZEXTLOAD: OS << ", zext"; break; 677 } 678 if (doExt) 679 OS << " from " << LD->getMemoryVT().getEVTString(); 680 681 const char *AM = getIndexedModeName(LD->getAddressingMode()); 682 if (*AM) 683 OS << ", " << AM; 684 685 OS << ">"; 686 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) { 687 OS << "<"; 688 printMemOperand(OS, *ST->getMemOperand(), G); 689 690 if (ST->isTruncatingStore()) 691 OS << ", trunc to " << ST->getMemoryVT().getEVTString(); 692 693 const char *AM = getIndexedModeName(ST->getAddressingMode()); 694 if (*AM) 695 OS << ", " << AM; 696 697 OS << ">"; 698 } else if (const MaskedLoadSDNode *MLd = dyn_cast<MaskedLoadSDNode>(this)) { 699 OS << "<"; 700 701 printMemOperand(OS, *MLd->getMemOperand(), G); 702 703 bool doExt = true; 704 switch (MLd->getExtensionType()) { 705 default: doExt = false; break; 706 case ISD::EXTLOAD: OS << ", anyext"; break; 707 case ISD::SEXTLOAD: OS << ", sext"; break; 708 case ISD::ZEXTLOAD: OS << ", zext"; break; 709 } 710 if (doExt) 711 OS << " from " << MLd->getMemoryVT().getEVTString(); 712 713 const char *AM = getIndexedModeName(MLd->getAddressingMode()); 714 if (*AM) 715 OS << ", " << AM; 716 717 if (MLd->isExpandingLoad()) 718 OS << ", expanding"; 719 720 OS << ">"; 721 } else if (const MaskedStoreSDNode *MSt = dyn_cast<MaskedStoreSDNode>(this)) { 722 OS << "<"; 723 printMemOperand(OS, *MSt->getMemOperand(), G); 724 725 if (MSt->isTruncatingStore()) 726 OS << ", trunc to " << MSt->getMemoryVT().getEVTString(); 727 728 const char *AM = getIndexedModeName(MSt->getAddressingMode()); 729 if (*AM) 730 OS << ", " << AM; 731 732 if (MSt->isCompressingStore()) 733 OS << ", compressing"; 734 735 OS << ">"; 736 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) { 737 OS << "<"; 738 printMemOperand(OS, *M->getMemOperand(), G); 739 OS << ">"; 740 } else if (const BlockAddressSDNode *BA = 741 dyn_cast<BlockAddressSDNode>(this)) { 742 int64_t offset = BA->getOffset(); 743 OS << "<"; 744 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false); 745 OS << ", "; 746 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false); 747 OS << ">"; 748 if (offset > 0) 749 OS << " + " << offset; 750 else 751 OS << " " << offset; 752 if (unsigned int TF = BA->getTargetFlags()) 753 OS << " [TF=" << TF << ']'; 754 } else if (const AddrSpaceCastSDNode *ASC = 755 dyn_cast<AddrSpaceCastSDNode>(this)) { 756 OS << '[' 757 << ASC->getSrcAddressSpace() 758 << " -> " 759 << ASC->getDestAddressSpace() 760 << ']'; 761 } else if (const LifetimeSDNode *LN = dyn_cast<LifetimeSDNode>(this)) { 762 if (LN->hasOffset()) 763 OS << "<" << LN->getOffset() << " to " << LN->getOffset() + LN->getSize() << ">"; 764 } 765 766 if (VerboseDAGDumping) { 767 if (unsigned Order = getIROrder()) 768 OS << " [ORD=" << Order << ']'; 769 770 if (getNodeId() != -1) 771 OS << " [ID=" << getNodeId() << ']'; 772 if (!(isa<ConstantSDNode>(this) || (isa<ConstantFPSDNode>(this)))) 773 OS << " # D:" << isDivergent(); 774 775 if (G && !G->GetDbgValues(this).empty()) { 776 OS << " [NoOfDbgValues=" << G->GetDbgValues(this).size() << ']'; 777 for (SDDbgValue *Dbg : G->GetDbgValues(this)) 778 if (!Dbg->isInvalidated()) 779 Dbg->print(OS); 780 } else if (getHasDebugValue()) 781 OS << " [NoOfDbgValues>0]"; 782 } 783 } 784 785 LLVM_DUMP_METHOD void SDDbgValue::print(raw_ostream &OS) const { 786 OS << " DbgVal(Order=" << getOrder() << ')'; 787 if (isInvalidated()) OS << "(Invalidated)"; 788 if (isEmitted()) OS << "(Emitted)"; 789 switch (getKind()) { 790 case SDNODE: 791 if (getSDNode()) 792 OS << "(SDNODE=" << PrintNodeId(*getSDNode()) << ':' << getResNo() << ')'; 793 else 794 OS << "(SDNODE)"; 795 break; 796 case CONST: 797 OS << "(CONST)"; 798 break; 799 case FRAMEIX: 800 OS << "(FRAMEIX=" << getFrameIx() << ')'; 801 break; 802 case VREG: 803 OS << "(VREG=" << getVReg() << ')'; 804 break; 805 } 806 if (isIndirect()) OS << "(Indirect)"; 807 OS << ":\"" << Var->getName() << '"'; 808 #ifndef NDEBUG 809 if (Expr->getNumElements()) 810 Expr->dump(); 811 #endif 812 } 813 814 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 815 LLVM_DUMP_METHOD void SDDbgValue::dump() const { 816 if (isInvalidated()) 817 return; 818 print(dbgs()); 819 dbgs() << "\n"; 820 } 821 #endif 822 823 /// Return true if this node is so simple that we should just print it inline 824 /// if it appears as an operand. 825 static bool shouldPrintInline(const SDNode &Node, const SelectionDAG *G) { 826 // Avoid lots of cluttering when inline printing nodes with associated 827 // DbgValues in verbose mode. 828 if (VerboseDAGDumping && G && !G->GetDbgValues(&Node).empty()) 829 return false; 830 if (Node.getOpcode() == ISD::EntryToken) 831 return false; 832 return Node.getNumOperands() == 0; 833 } 834 835 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 836 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) { 837 for (const SDValue &Op : N->op_values()) { 838 if (shouldPrintInline(*Op.getNode(), G)) 839 continue; 840 if (Op.getNode()->hasOneUse()) 841 DumpNodes(Op.getNode(), indent+2, G); 842 } 843 844 dbgs().indent(indent); 845 N->dump(G); 846 } 847 848 LLVM_DUMP_METHOD void SelectionDAG::dump() const { 849 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n"; 850 851 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end(); 852 I != E; ++I) { 853 const SDNode *N = &*I; 854 if (!N->hasOneUse() && N != getRoot().getNode() && 855 (!shouldPrintInline(*N, this) || N->use_empty())) 856 DumpNodes(N, 2, this); 857 } 858 859 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this); 860 dbgs() << "\n"; 861 862 if (VerboseDAGDumping) { 863 if (DbgBegin() != DbgEnd()) 864 dbgs() << "SDDbgValues:\n"; 865 for (auto *Dbg : make_range(DbgBegin(), DbgEnd())) 866 Dbg->dump(); 867 if (ByvalParmDbgBegin() != ByvalParmDbgEnd()) 868 dbgs() << "Byval SDDbgValues:\n"; 869 for (auto *Dbg : make_range(ByvalParmDbgBegin(), ByvalParmDbgEnd())) 870 Dbg->dump(); 871 } 872 dbgs() << "\n"; 873 } 874 #endif 875 876 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const { 877 OS << PrintNodeId(*this) << ": "; 878 print_types(OS, G); 879 OS << " = " << getOperationName(G); 880 print_details(OS, G); 881 } 882 883 static bool printOperand(raw_ostream &OS, const SelectionDAG *G, 884 const SDValue Value) { 885 if (!Value.getNode()) { 886 OS << "<null>"; 887 return false; 888 } else if (shouldPrintInline(*Value.getNode(), G)) { 889 OS << Value->getOperationName(G) << ':'; 890 Value->print_types(OS, G); 891 Value->print_details(OS, G); 892 return true; 893 } else { 894 OS << PrintNodeId(*Value.getNode()); 895 if (unsigned RN = Value.getResNo()) 896 OS << ':' << RN; 897 return false; 898 } 899 } 900 901 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 902 using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>; 903 904 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, 905 const SelectionDAG *G, VisitedSDNodeSet &once) { 906 if (!once.insert(N).second) // If we've been here before, return now. 907 return; 908 909 // Dump the current SDNode, but don't end the line yet. 910 OS.indent(indent); 911 N->printr(OS, G); 912 913 // Having printed this SDNode, walk the children: 914 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { 915 if (i) OS << ","; 916 OS << " "; 917 918 const SDValue Op = N->getOperand(i); 919 bool printedInline = printOperand(OS, G, Op); 920 if (printedInline) 921 once.insert(Op.getNode()); 922 } 923 924 OS << "\n"; 925 926 // Dump children that have grandchildren on their own line(s). 927 for (const SDValue &Op : N->op_values()) 928 DumpNodesr(OS, Op.getNode(), indent+2, G, once); 929 } 930 931 LLVM_DUMP_METHOD void SDNode::dumpr() const { 932 VisitedSDNodeSet once; 933 DumpNodesr(dbgs(), this, 0, nullptr, once); 934 } 935 936 LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const { 937 VisitedSDNodeSet once; 938 DumpNodesr(dbgs(), this, 0, G, once); 939 } 940 #endif 941 942 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N, 943 const SelectionDAG *G, unsigned depth, 944 unsigned indent) { 945 if (depth == 0) 946 return; 947 948 OS.indent(indent); 949 950 N->print(OS, G); 951 952 if (depth < 1) 953 return; 954 955 for (const SDValue &Op : N->op_values()) { 956 // Don't follow chain operands. 957 if (Op.getValueType() == MVT::Other) 958 continue; 959 OS << '\n'; 960 printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2); 961 } 962 } 963 964 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G, 965 unsigned depth) const { 966 printrWithDepthHelper(OS, this, G, depth, 0); 967 } 968 969 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const { 970 // Don't print impossibly deep things. 971 printrWithDepth(OS, G, 10); 972 } 973 974 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 975 LLVM_DUMP_METHOD 976 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const { 977 printrWithDepth(dbgs(), G, depth); 978 } 979 980 LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const { 981 // Don't print impossibly deep things. 982 dumprWithDepth(G, 10); 983 } 984 #endif 985 986 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const { 987 printr(OS, G); 988 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { 989 if (i) OS << ", "; else OS << " "; 990 printOperand(OS, G, getOperand(i)); 991 } 992 if (DebugLoc DL = getDebugLoc()) { 993 OS << ", "; 994 DL.print(OS); 995 } 996 } 997