1//===-- SelectionDAGDumper.cpp - Implement SelectionDAG::dump() -----------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This implements the SelectionDAG::dump method and friends.
11//
12//===----------------------------------------------------------------------===//
13
14#include "llvm/CodeGen/SelectionDAG.h"
15#include "ScheduleDAGSDNodes.h"
16#include "llvm/ADT/StringExtras.h"
17#include "llvm/CodeGen/MachineConstantPool.h"
18#include "llvm/CodeGen/MachineFunction.h"
19#include "llvm/CodeGen/MachineModuleInfo.h"
20#include "llvm/IR/DebugInfo.h"
21#include "llvm/IR/Function.h"
22#include "llvm/IR/Intrinsics.h"
23#include "llvm/Support/Debug.h"
24#include "llvm/Support/GraphWriter.h"
25#include "llvm/Support/raw_ostream.h"
26#include "llvm/Target/TargetInstrInfo.h"
27#include "llvm/Target/TargetIntrinsicInfo.h"
28#include "llvm/Target/TargetMachine.h"
29#include "llvm/Target/TargetRegisterInfo.h"
30using namespace llvm;
31
32std::string SDNode::getOperationName(const SelectionDAG *G) const {
33  switch (getOpcode()) {
34  default:
35    if (getOpcode() < ISD::BUILTIN_OP_END)
36      return "<<Unknown DAG Node>>";
37    if (isMachineOpcode()) {
38      if (G)
39        if (const TargetInstrInfo *TII = G->getTarget().getInstrInfo())
40          if (getMachineOpcode() < TII->getNumOpcodes())
41            return TII->getName(getMachineOpcode());
42      return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>";
43    }
44    if (G) {
45      const TargetLowering &TLI = G->getTargetLoweringInfo();
46      const char *Name = TLI.getTargetNodeName(getOpcode());
47      if (Name) return Name;
48      return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>";
49    }
50    return "<<Unknown Node #" + utostr(getOpcode()) + ">>";
51
52#ifndef NDEBUG
53  case ISD::DELETED_NODE:               return "<<Deleted Node!>>";
54#endif
55  case ISD::PREFETCH:                   return "Prefetch";
56  case ISD::ATOMIC_FENCE:               return "AtomicFence";
57  case ISD::ATOMIC_CMP_SWAP:            return "AtomicCmpSwap";
58  case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess";
59  case ISD::ATOMIC_SWAP:                return "AtomicSwap";
60  case ISD::ATOMIC_LOAD_ADD:            return "AtomicLoadAdd";
61  case ISD::ATOMIC_LOAD_SUB:            return "AtomicLoadSub";
62  case ISD::ATOMIC_LOAD_AND:            return "AtomicLoadAnd";
63  case ISD::ATOMIC_LOAD_OR:             return "AtomicLoadOr";
64  case ISD::ATOMIC_LOAD_XOR:            return "AtomicLoadXor";
65  case ISD::ATOMIC_LOAD_NAND:           return "AtomicLoadNand";
66  case ISD::ATOMIC_LOAD_MIN:            return "AtomicLoadMin";
67  case ISD::ATOMIC_LOAD_MAX:            return "AtomicLoadMax";
68  case ISD::ATOMIC_LOAD_UMIN:           return "AtomicLoadUMin";
69  case ISD::ATOMIC_LOAD_UMAX:           return "AtomicLoadUMax";
70  case ISD::ATOMIC_LOAD:                return "AtomicLoad";
71  case ISD::ATOMIC_STORE:               return "AtomicStore";
72  case ISD::PCMARKER:                   return "PCMarker";
73  case ISD::READCYCLECOUNTER:           return "ReadCycleCounter";
74  case ISD::SRCVALUE:                   return "SrcValue";
75  case ISD::MDNODE_SDNODE:              return "MDNode";
76  case ISD::EntryToken:                 return "EntryToken";
77  case ISD::TokenFactor:                return "TokenFactor";
78  case ISD::AssertSext:                 return "AssertSext";
79  case ISD::AssertZext:                 return "AssertZext";
80
81  case ISD::BasicBlock:                 return "BasicBlock";
82  case ISD::VALUETYPE:                  return "ValueType";
83  case ISD::Register:                   return "Register";
84  case ISD::RegisterMask:               return "RegisterMask";
85  case ISD::Constant:
86    if (cast<ConstantSDNode>(this)->isOpaque())
87      return "OpaqueConstant";
88    return "Constant";
89  case ISD::ConstantFP:                 return "ConstantFP";
90  case ISD::GlobalAddress:              return "GlobalAddress";
91  case ISD::GlobalTLSAddress:           return "GlobalTLSAddress";
92  case ISD::FrameIndex:                 return "FrameIndex";
93  case ISD::JumpTable:                  return "JumpTable";
94  case ISD::GLOBAL_OFFSET_TABLE:        return "GLOBAL_OFFSET_TABLE";
95  case ISD::RETURNADDR:                 return "RETURNADDR";
96  case ISD::FRAMEADDR:                  return "FRAMEADDR";
97  case ISD::READ_REGISTER:              return "READ_REGISTER";
98  case ISD::WRITE_REGISTER:             return "WRITE_REGISTER";
99  case ISD::FRAME_TO_ARGS_OFFSET:       return "FRAME_TO_ARGS_OFFSET";
100  case ISD::EH_RETURN:                  return "EH_RETURN";
101  case ISD::EH_SJLJ_SETJMP:             return "EH_SJLJ_SETJMP";
102  case ISD::EH_SJLJ_LONGJMP:            return "EH_SJLJ_LONGJMP";
103  case ISD::ConstantPool:               return "ConstantPool";
104  case ISD::TargetIndex:                return "TargetIndex";
105  case ISD::ExternalSymbol:             return "ExternalSymbol";
106  case ISD::BlockAddress:               return "BlockAddress";
107  case ISD::INTRINSIC_WO_CHAIN:
108  case ISD::INTRINSIC_VOID:
109  case ISD::INTRINSIC_W_CHAIN: {
110    unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
111    unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue();
112    if (IID < Intrinsic::num_intrinsics)
113      return Intrinsic::getName((Intrinsic::ID)IID);
114    else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
115      return TII->getName(IID);
116    llvm_unreachable("Invalid intrinsic ID");
117  }
118
119  case ISD::BUILD_VECTOR:               return "BUILD_VECTOR";
120  case ISD::TargetConstant:
121    if (cast<ConstantSDNode>(this)->isOpaque())
122      return "OpaqueTargetConstant";
123    return "TargetConstant";
124  case ISD::TargetConstantFP:           return "TargetConstantFP";
125  case ISD::TargetGlobalAddress:        return "TargetGlobalAddress";
126  case ISD::TargetGlobalTLSAddress:     return "TargetGlobalTLSAddress";
127  case ISD::TargetFrameIndex:           return "TargetFrameIndex";
128  case ISD::TargetJumpTable:            return "TargetJumpTable";
129  case ISD::TargetConstantPool:         return "TargetConstantPool";
130  case ISD::TargetExternalSymbol:       return "TargetExternalSymbol";
131  case ISD::TargetBlockAddress:         return "TargetBlockAddress";
132
133  case ISD::CopyToReg:                  return "CopyToReg";
134  case ISD::CopyFromReg:                return "CopyFromReg";
135  case ISD::UNDEF:                      return "undef";
136  case ISD::MERGE_VALUES:               return "merge_values";
137  case ISD::INLINEASM:                  return "inlineasm";
138  case ISD::EH_LABEL:                   return "eh_label";
139  case ISD::HANDLENODE:                 return "handlenode";
140
141  // Unary operators
142  case ISD::FABS:                       return "fabs";
143  case ISD::FNEG:                       return "fneg";
144  case ISD::FSQRT:                      return "fsqrt";
145  case ISD::FSIN:                       return "fsin";
146  case ISD::FCOS:                       return "fcos";
147  case ISD::FSINCOS:                    return "fsincos";
148  case ISD::FTRUNC:                     return "ftrunc";
149  case ISD::FFLOOR:                     return "ffloor";
150  case ISD::FCEIL:                      return "fceil";
151  case ISD::FRINT:                      return "frint";
152  case ISD::FNEARBYINT:                 return "fnearbyint";
153  case ISD::FROUND:                     return "fround";
154  case ISD::FEXP:                       return "fexp";
155  case ISD::FEXP2:                      return "fexp2";
156  case ISD::FLOG:                       return "flog";
157  case ISD::FLOG2:                      return "flog2";
158  case ISD::FLOG10:                     return "flog10";
159
160  // Binary operators
161  case ISD::ADD:                        return "add";
162  case ISD::SUB:                        return "sub";
163  case ISD::MUL:                        return "mul";
164  case ISD::MULHU:                      return "mulhu";
165  case ISD::MULHS:                      return "mulhs";
166  case ISD::SDIV:                       return "sdiv";
167  case ISD::UDIV:                       return "udiv";
168  case ISD::SREM:                       return "srem";
169  case ISD::UREM:                       return "urem";
170  case ISD::SMUL_LOHI:                  return "smul_lohi";
171  case ISD::UMUL_LOHI:                  return "umul_lohi";
172  case ISD::SDIVREM:                    return "sdivrem";
173  case ISD::UDIVREM:                    return "udivrem";
174  case ISD::AND:                        return "and";
175  case ISD::OR:                         return "or";
176  case ISD::XOR:                        return "xor";
177  case ISD::SHL:                        return "shl";
178  case ISD::SRA:                        return "sra";
179  case ISD::SRL:                        return "srl";
180  case ISD::ROTL:                       return "rotl";
181  case ISD::ROTR:                       return "rotr";
182  case ISD::FADD:                       return "fadd";
183  case ISD::FSUB:                       return "fsub";
184  case ISD::FMUL:                       return "fmul";
185  case ISD::FDIV:                       return "fdiv";
186  case ISD::FMA:                        return "fma";
187  case ISD::FREM:                       return "frem";
188  case ISD::FCOPYSIGN:                  return "fcopysign";
189  case ISD::FGETSIGN:                   return "fgetsign";
190  case ISD::FPOW:                       return "fpow";
191
192  case ISD::FPOWI:                      return "fpowi";
193  case ISD::SETCC:                      return "setcc";
194  case ISD::SELECT:                     return "select";
195  case ISD::VSELECT:                    return "vselect";
196  case ISD::SELECT_CC:                  return "select_cc";
197  case ISD::INSERT_VECTOR_ELT:          return "insert_vector_elt";
198  case ISD::EXTRACT_VECTOR_ELT:         return "extract_vector_elt";
199  case ISD::CONCAT_VECTORS:             return "concat_vectors";
200  case ISD::INSERT_SUBVECTOR:           return "insert_subvector";
201  case ISD::EXTRACT_SUBVECTOR:          return "extract_subvector";
202  case ISD::SCALAR_TO_VECTOR:           return "scalar_to_vector";
203  case ISD::VECTOR_SHUFFLE:             return "vector_shuffle";
204  case ISD::CARRY_FALSE:                return "carry_false";
205  case ISD::ADDC:                       return "addc";
206  case ISD::ADDE:                       return "adde";
207  case ISD::SADDO:                      return "saddo";
208  case ISD::UADDO:                      return "uaddo";
209  case ISD::SSUBO:                      return "ssubo";
210  case ISD::USUBO:                      return "usubo";
211  case ISD::SMULO:                      return "smulo";
212  case ISD::UMULO:                      return "umulo";
213  case ISD::SUBC:                       return "subc";
214  case ISD::SUBE:                       return "sube";
215  case ISD::SHL_PARTS:                  return "shl_parts";
216  case ISD::SRA_PARTS:                  return "sra_parts";
217  case ISD::SRL_PARTS:                  return "srl_parts";
218
219  // Conversion operators.
220  case ISD::SIGN_EXTEND:                return "sign_extend";
221  case ISD::ZERO_EXTEND:                return "zero_extend";
222  case ISD::ANY_EXTEND:                 return "any_extend";
223  case ISD::SIGN_EXTEND_INREG:          return "sign_extend_inreg";
224  case ISD::ANY_EXTEND_VECTOR_INREG:    return "any_extend_vector_inreg";
225  case ISD::SIGN_EXTEND_VECTOR_INREG:   return "sign_extend_vector_inreg";
226  case ISD::ZERO_EXTEND_VECTOR_INREG:   return "zero_extend_vector_inreg";
227  case ISD::TRUNCATE:                   return "truncate";
228  case ISD::FP_ROUND:                   return "fp_round";
229  case ISD::FLT_ROUNDS_:                return "flt_rounds";
230  case ISD::FP_ROUND_INREG:             return "fp_round_inreg";
231  case ISD::FP_EXTEND:                  return "fp_extend";
232
233  case ISD::SINT_TO_FP:                 return "sint_to_fp";
234  case ISD::UINT_TO_FP:                 return "uint_to_fp";
235  case ISD::FP_TO_SINT:                 return "fp_to_sint";
236  case ISD::FP_TO_UINT:                 return "fp_to_uint";
237  case ISD::BITCAST:                    return "bitcast";
238  case ISD::ADDRSPACECAST:              return "addrspacecast";
239  case ISD::FP16_TO_FP32:               return "fp16_to_fp32";
240  case ISD::FP32_TO_FP16:               return "fp32_to_fp16";
241
242  case ISD::CONVERT_RNDSAT: {
243    switch (cast<CvtRndSatSDNode>(this)->getCvtCode()) {
244    default: llvm_unreachable("Unknown cvt code!");
245    case ISD::CVT_FF:                   return "cvt_ff";
246    case ISD::CVT_FS:                   return "cvt_fs";
247    case ISD::CVT_FU:                   return "cvt_fu";
248    case ISD::CVT_SF:                   return "cvt_sf";
249    case ISD::CVT_UF:                   return "cvt_uf";
250    case ISD::CVT_SS:                   return "cvt_ss";
251    case ISD::CVT_SU:                   return "cvt_su";
252    case ISD::CVT_US:                   return "cvt_us";
253    case ISD::CVT_UU:                   return "cvt_uu";
254    }
255  }
256
257    // Control flow instructions
258  case ISD::BR:                         return "br";
259  case ISD::BRIND:                      return "brind";
260  case ISD::BR_JT:                      return "br_jt";
261  case ISD::BRCOND:                     return "brcond";
262  case ISD::BR_CC:                      return "br_cc";
263  case ISD::CALLSEQ_START:              return "callseq_start";
264  case ISD::CALLSEQ_END:                return "callseq_end";
265
266    // Other operators
267  case ISD::LOAD:                       return "load";
268  case ISD::STORE:                      return "store";
269  case ISD::VAARG:                      return "vaarg";
270  case ISD::VACOPY:                     return "vacopy";
271  case ISD::VAEND:                      return "vaend";
272  case ISD::VASTART:                    return "vastart";
273  case ISD::DYNAMIC_STACKALLOC:         return "dynamic_stackalloc";
274  case ISD::EXTRACT_ELEMENT:            return "extract_element";
275  case ISD::BUILD_PAIR:                 return "build_pair";
276  case ISD::STACKSAVE:                  return "stacksave";
277  case ISD::STACKRESTORE:               return "stackrestore";
278  case ISD::TRAP:                       return "trap";
279  case ISD::DEBUGTRAP:                  return "debugtrap";
280  case ISD::LIFETIME_START:             return "lifetime.start";
281  case ISD::LIFETIME_END:               return "lifetime.end";
282
283  // Bit manipulation
284  case ISD::BSWAP:                      return "bswap";
285  case ISD::CTPOP:                      return "ctpop";
286  case ISD::CTTZ:                       return "cttz";
287  case ISD::CTTZ_ZERO_UNDEF:            return "cttz_zero_undef";
288  case ISD::CTLZ:                       return "ctlz";
289  case ISD::CTLZ_ZERO_UNDEF:            return "ctlz_zero_undef";
290
291  // Trampolines
292  case ISD::INIT_TRAMPOLINE:            return "init_trampoline";
293  case ISD::ADJUST_TRAMPOLINE:          return "adjust_trampoline";
294
295  case ISD::CONDCODE:
296    switch (cast<CondCodeSDNode>(this)->get()) {
297    default: llvm_unreachable("Unknown setcc condition!");
298    case ISD::SETOEQ:                   return "setoeq";
299    case ISD::SETOGT:                   return "setogt";
300    case ISD::SETOGE:                   return "setoge";
301    case ISD::SETOLT:                   return "setolt";
302    case ISD::SETOLE:                   return "setole";
303    case ISD::SETONE:                   return "setone";
304
305    case ISD::SETO:                     return "seto";
306    case ISD::SETUO:                    return "setuo";
307    case ISD::SETUEQ:                   return "setue";
308    case ISD::SETUGT:                   return "setugt";
309    case ISD::SETUGE:                   return "setuge";
310    case ISD::SETULT:                   return "setult";
311    case ISD::SETULE:                   return "setule";
312    case ISD::SETUNE:                   return "setune";
313
314    case ISD::SETEQ:                    return "seteq";
315    case ISD::SETGT:                    return "setgt";
316    case ISD::SETGE:                    return "setge";
317    case ISD::SETLT:                    return "setlt";
318    case ISD::SETLE:                    return "setle";
319    case ISD::SETNE:                    return "setne";
320
321    case ISD::SETTRUE:                  return "settrue";
322    case ISD::SETTRUE2:                 return "settrue2";
323    case ISD::SETFALSE:                 return "setfalse";
324    case ISD::SETFALSE2:                return "setfalse2";
325    }
326  }
327}
328
329const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
330  switch (AM) {
331  default:              return "";
332  case ISD::PRE_INC:    return "<pre-inc>";
333  case ISD::PRE_DEC:    return "<pre-dec>";
334  case ISD::POST_INC:   return "<post-inc>";
335  case ISD::POST_DEC:   return "<post-dec>";
336  }
337}
338
339void SDNode::dump() const { dump(nullptr); }
340void SDNode::dump(const SelectionDAG *G) const {
341  print(dbgs(), G);
342  dbgs() << '\n';
343}
344
345void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
346  OS << (const void*)this << ": ";
347
348  for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
349    if (i) OS << ",";
350    if (getValueType(i) == MVT::Other)
351      OS << "ch";
352    else
353      OS << getValueType(i).getEVTString();
354  }
355  OS << " = " << getOperationName(G);
356}
357
358void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
359  if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
360    if (!MN->memoperands_empty()) {
361      OS << "<";
362      OS << "Mem:";
363      for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
364           e = MN->memoperands_end(); i != e; ++i) {
365        OS << **i;
366        if (std::next(i) != e)
367          OS << " ";
368      }
369      OS << ">";
370    }
371  } else if (const ShuffleVectorSDNode *SVN =
372               dyn_cast<ShuffleVectorSDNode>(this)) {
373    OS << "<";
374    for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
375      int Idx = SVN->getMaskElt(i);
376      if (i) OS << ",";
377      if (Idx < 0)
378        OS << "u";
379      else
380        OS << Idx;
381    }
382    OS << ">";
383  } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
384    OS << '<' << CSDN->getAPIntValue() << '>';
385  } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
386    if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle)
387      OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
388    else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble)
389      OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
390    else {
391      OS << "<APFloat(";
392      CSDN->getValueAPF().bitcastToAPInt().dump();
393      OS << ")>";
394    }
395  } else if (const GlobalAddressSDNode *GADN =
396             dyn_cast<GlobalAddressSDNode>(this)) {
397    int64_t offset = GADN->getOffset();
398    OS << '<';
399    GADN->getGlobal()->printAsOperand(OS);
400    OS << '>';
401    if (offset > 0)
402      OS << " + " << offset;
403    else
404      OS << " " << offset;
405    if (unsigned int TF = GADN->getTargetFlags())
406      OS << " [TF=" << TF << ']';
407  } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
408    OS << "<" << FIDN->getIndex() << ">";
409  } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
410    OS << "<" << JTDN->getIndex() << ">";
411    if (unsigned int TF = JTDN->getTargetFlags())
412      OS << " [TF=" << TF << ']';
413  } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
414    int offset = CP->getOffset();
415    if (CP->isMachineConstantPoolEntry())
416      OS << "<" << *CP->getMachineCPVal() << ">";
417    else
418      OS << "<" << *CP->getConstVal() << ">";
419    if (offset > 0)
420      OS << " + " << offset;
421    else
422      OS << " " << offset;
423    if (unsigned int TF = CP->getTargetFlags())
424      OS << " [TF=" << TF << ']';
425  } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
426    OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
427    if (unsigned TF = TI->getTargetFlags())
428      OS << " [TF=" << TF << ']';
429  } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
430    OS << "<";
431    const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
432    if (LBB)
433      OS << LBB->getName() << " ";
434    OS << (const void*)BBDN->getBasicBlock() << ">";
435  } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
436    OS << ' ' << PrintReg(R->getReg(), G ? G->getTarget().getRegisterInfo() :nullptr);
437  } else if (const ExternalSymbolSDNode *ES =
438             dyn_cast<ExternalSymbolSDNode>(this)) {
439    OS << "'" << ES->getSymbol() << "'";
440    if (unsigned int TF = ES->getTargetFlags())
441      OS << " [TF=" << TF << ']';
442  } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
443    if (M->getValue())
444      OS << "<" << M->getValue() << ">";
445    else
446      OS << "<null>";
447  } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
448    if (MD->getMD())
449      OS << "<" << MD->getMD() << ">";
450    else
451      OS << "<null>";
452  } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
453    OS << ":" << N->getVT().getEVTString();
454  }
455  else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
456    OS << "<" << *LD->getMemOperand();
457
458    bool doExt = true;
459    switch (LD->getExtensionType()) {
460    default: doExt = false; break;
461    case ISD::EXTLOAD:  OS << ", anyext"; break;
462    case ISD::SEXTLOAD: OS << ", sext"; break;
463    case ISD::ZEXTLOAD: OS << ", zext"; break;
464    }
465    if (doExt)
466      OS << " from " << LD->getMemoryVT().getEVTString();
467
468    const char *AM = getIndexedModeName(LD->getAddressingMode());
469    if (*AM)
470      OS << ", " << AM;
471
472    OS << ">";
473  } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
474    OS << "<" << *ST->getMemOperand();
475
476    if (ST->isTruncatingStore())
477      OS << ", trunc to " << ST->getMemoryVT().getEVTString();
478
479    const char *AM = getIndexedModeName(ST->getAddressingMode());
480    if (*AM)
481      OS << ", " << AM;
482
483    OS << ">";
484  } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) {
485    OS << "<" << *M->getMemOperand() << ">";
486  } else if (const BlockAddressSDNode *BA =
487               dyn_cast<BlockAddressSDNode>(this)) {
488    int64_t offset = BA->getOffset();
489    OS << "<";
490    BA->getBlockAddress()->getFunction()->printAsOperand(OS, false);
491    OS << ", ";
492    BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false);
493    OS << ">";
494    if (offset > 0)
495      OS << " + " << offset;
496    else
497      OS << " " << offset;
498    if (unsigned int TF = BA->getTargetFlags())
499      OS << " [TF=" << TF << ']';
500  } else if (const AddrSpaceCastSDNode *ASC =
501               dyn_cast<AddrSpaceCastSDNode>(this)) {
502    OS << '['
503       << ASC->getSrcAddressSpace()
504       << " -> "
505       << ASC->getDestAddressSpace()
506       << ']';
507  }
508
509  if (unsigned Order = getIROrder())
510      OS << " [ORD=" << Order << ']';
511
512  if (getNodeId() != -1)
513    OS << " [ID=" << getNodeId() << ']';
514
515  DebugLoc dl = getDebugLoc();
516  if (G && !dl.isUnknown()) {
517    DIScope
518      Scope(dl.getScope(G->getMachineFunction().getFunction()->getContext()));
519    OS << " dbg:";
520    assert((!Scope || Scope.isScope()) &&
521      "Scope of a DebugLoc should be null or a DIScope.");
522    // Omit the directory, since it's usually long and uninteresting.
523    if (Scope)
524      OS << Scope.getFilename();
525    else
526      OS << "<unknown>";
527    OS << ':' << dl.getLine();
528    if (dl.getCol() != 0)
529      OS << ':' << dl.getCol();
530  }
531}
532
533static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
534  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
535    if (N->getOperand(i).getNode()->hasOneUse())
536      DumpNodes(N->getOperand(i).getNode(), indent+2, G);
537    else
538      dbgs() << "\n" << std::string(indent+2, ' ')
539             << (void*)N->getOperand(i).getNode() << ": <multiple use>";
540
541  dbgs() << '\n';
542  dbgs().indent(indent);
543  N->dump(G);
544}
545
546void SelectionDAG::dump() const {
547  dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:";
548
549  for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
550       I != E; ++I) {
551    const SDNode *N = I;
552    if (!N->hasOneUse() && N != getRoot().getNode())
553      DumpNodes(N, 2, this);
554  }
555
556  if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
557  dbgs() << "\n\n";
558}
559
560void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
561  print_types(OS, G);
562  print_details(OS, G);
563}
564
565typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet;
566static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
567                       const SelectionDAG *G, VisitedSDNodeSet &once) {
568  if (!once.insert(N))          // If we've been here before, return now.
569    return;
570
571  // Dump the current SDNode, but don't end the line yet.
572  OS.indent(indent);
573  N->printr(OS, G);
574
575  // Having printed this SDNode, walk the children:
576  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
577    const SDNode *child = N->getOperand(i).getNode();
578
579    if (i) OS << ",";
580    OS << " ";
581
582    if (child->getNumOperands() == 0) {
583      // This child has no grandchildren; print it inline right here.
584      child->printr(OS, G);
585      once.insert(child);
586    } else {         // Just the address. FIXME: also print the child's opcode.
587      OS << (const void*)child;
588      if (unsigned RN = N->getOperand(i).getResNo())
589        OS << ":" << RN;
590    }
591  }
592
593  OS << "\n";
594
595  // Dump children that have grandchildren on their own line(s).
596  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
597    const SDNode *child = N->getOperand(i).getNode();
598    DumpNodesr(OS, child, indent+2, G, once);
599  }
600}
601
602void SDNode::dumpr() const {
603  VisitedSDNodeSet once;
604  DumpNodesr(dbgs(), this, 0, nullptr, once);
605}
606
607void SDNode::dumpr(const SelectionDAG *G) const {
608  VisitedSDNodeSet once;
609  DumpNodesr(dbgs(), this, 0, G, once);
610}
611
612static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
613                                  const SelectionDAG *G, unsigned depth,
614                                  unsigned indent) {
615  if (depth == 0)
616    return;
617
618  OS.indent(indent);
619
620  N->print(OS, G);
621
622  if (depth < 1)
623    return;
624
625  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
626    // Don't follow chain operands.
627    if (N->getOperand(i).getValueType() == MVT::Other)
628      continue;
629    OS << '\n';
630    printrWithDepthHelper(OS, N->getOperand(i).getNode(), G, depth-1, indent+2);
631  }
632}
633
634void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
635                            unsigned depth) const {
636  printrWithDepthHelper(OS, this, G, depth, 0);
637}
638
639void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
640  // Don't print impossibly deep things.
641  printrWithDepth(OS, G, 10);
642}
643
644void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
645  printrWithDepth(dbgs(), G, depth);
646}
647
648void SDNode::dumprFull(const SelectionDAG *G) const {
649  // Don't print impossibly deep things.
650  dumprWithDepth(G, 10);
651}
652
653void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
654  print_types(OS, G);
655  for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
656    if (i) OS << ", "; else OS << " ";
657    OS << (void*)getOperand(i).getNode();
658    if (unsigned RN = getOperand(i).getResNo())
659      OS << ":" << RN;
660  }
661  print_details(OS, G);
662}
663