SelectionDAGDumper.cpp revision 59d3ae6cdc4316ad338cd848251f33a236ccb36c
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/Assembly/Writer.h"
18#include "llvm/CodeGen/MachineConstantPool.h"
19#include "llvm/CodeGen/MachineFunction.h"
20#include "llvm/CodeGen/MachineModuleInfo.h"
21#include "llvm/DebugInfo.h"
22#include "llvm/IR/Function.h"
23#include "llvm/IR/Intrinsics.h"
24#include "llvm/Support/Debug.h"
25#include "llvm/Support/GraphWriter.h"
26#include "llvm/Support/raw_ostream.h"
27#include "llvm/Target/TargetInstrInfo.h"
28#include "llvm/Target/TargetIntrinsicInfo.h"
29#include "llvm/Target/TargetMachine.h"
30#include "llvm/Target/TargetRegisterInfo.h"
31using namespace llvm;
32
33std::string SDNode::getOperationName(const SelectionDAG *G) const {
34  switch (getOpcode()) {
35  default:
36    if (getOpcode() < ISD::BUILTIN_OP_END)
37      return "<<Unknown DAG Node>>";
38    if (isMachineOpcode()) {
39      if (G)
40        if (const TargetInstrInfo *TII = G->getTarget().getInstrInfo())
41          if (getMachineOpcode() < TII->getNumOpcodes())
42            return TII->getName(getMachineOpcode());
43      return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>";
44    }
45    if (G) {
46      const TargetLowering &TLI = G->getTargetLoweringInfo();
47      const char *Name = TLI.getTargetNodeName(getOpcode());
48      if (Name) return Name;
49      return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>";
50    }
51    return "<<Unknown Node #" + utostr(getOpcode()) + ">>";
52
53#ifndef NDEBUG
54  case ISD::DELETED_NODE:               return "<<Deleted Node!>>";
55#endif
56  case ISD::PREFETCH:                   return "Prefetch";
57  case ISD::ATOMIC_FENCE:               return "AtomicFence";
58  case ISD::ATOMIC_CMP_SWAP:            return "AtomicCmpSwap";
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:                   return "Constant";
86  case ISD::ConstantFP:                 return "ConstantFP";
87  case ISD::GlobalAddress:              return "GlobalAddress";
88  case ISD::GlobalTLSAddress:           return "GlobalTLSAddress";
89  case ISD::FrameIndex:                 return "FrameIndex";
90  case ISD::JumpTable:                  return "JumpTable";
91  case ISD::GLOBAL_OFFSET_TABLE:        return "GLOBAL_OFFSET_TABLE";
92  case ISD::RETURNADDR:                 return "RETURNADDR";
93  case ISD::FRAMEADDR:                  return "FRAMEADDR";
94  case ISD::FRAME_TO_ARGS_OFFSET:       return "FRAME_TO_ARGS_OFFSET";
95  case ISD::EH_RETURN:                  return "EH_RETURN";
96  case ISD::EH_SJLJ_SETJMP:             return "EH_SJLJ_SETJMP";
97  case ISD::EH_SJLJ_LONGJMP:            return "EH_SJLJ_LONGJMP";
98  case ISD::ConstantPool:               return "ConstantPool";
99  case ISD::TargetIndex:                return "TargetIndex";
100  case ISD::ExternalSymbol:             return "ExternalSymbol";
101  case ISD::BlockAddress:               return "BlockAddress";
102  case ISD::INTRINSIC_WO_CHAIN:
103  case ISD::INTRINSIC_VOID:
104  case ISD::INTRINSIC_W_CHAIN: {
105    unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
106    unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue();
107    if (IID < Intrinsic::num_intrinsics)
108      return Intrinsic::getName((Intrinsic::ID)IID);
109    else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
110      return TII->getName(IID);
111    llvm_unreachable("Invalid intrinsic ID");
112  }
113
114  case ISD::BUILD_VECTOR:               return "BUILD_VECTOR";
115  case ISD::TargetConstant:             return "TargetConstant";
116  case ISD::TargetConstantFP:           return "TargetConstantFP";
117  case ISD::TargetGlobalAddress:        return "TargetGlobalAddress";
118  case ISD::TargetGlobalTLSAddress:     return "TargetGlobalTLSAddress";
119  case ISD::TargetFrameIndex:           return "TargetFrameIndex";
120  case ISD::TargetJumpTable:            return "TargetJumpTable";
121  case ISD::TargetConstantPool:         return "TargetConstantPool";
122  case ISD::TargetExternalSymbol:       return "TargetExternalSymbol";
123  case ISD::TargetBlockAddress:         return "TargetBlockAddress";
124
125  case ISD::CopyToReg:                  return "CopyToReg";
126  case ISD::CopyFromReg:                return "CopyFromReg";
127  case ISD::UNDEF:                      return "undef";
128  case ISD::MERGE_VALUES:               return "merge_values";
129  case ISD::INLINEASM:                  return "inlineasm";
130  case ISD::EH_LABEL:                   return "eh_label";
131  case ISD::HANDLENODE:                 return "handlenode";
132
133  // Unary operators
134  case ISD::FABS:                       return "fabs";
135  case ISD::FNEG:                       return "fneg";
136  case ISD::FSQRT:                      return "fsqrt";
137  case ISD::FSIN:                       return "fsin";
138  case ISD::FCOS:                       return "fcos";
139  case ISD::FSINCOS:                    return "fsincos";
140  case ISD::FTRUNC:                     return "ftrunc";
141  case ISD::FFLOOR:                     return "ffloor";
142  case ISD::FCEIL:                      return "fceil";
143  case ISD::FRINT:                      return "frint";
144  case ISD::FNEARBYINT:                 return "fnearbyint";
145  case ISD::FROUND:                     return "fround";
146  case ISD::FEXP:                       return "fexp";
147  case ISD::FEXP2:                      return "fexp2";
148  case ISD::FLOG:                       return "flog";
149  case ISD::FLOG2:                      return "flog2";
150  case ISD::FLOG10:                     return "flog10";
151
152  // Binary operators
153  case ISD::ADD:                        return "add";
154  case ISD::SUB:                        return "sub";
155  case ISD::MUL:                        return "mul";
156  case ISD::MULHU:                      return "mulhu";
157  case ISD::MULHS:                      return "mulhs";
158  case ISD::SDIV:                       return "sdiv";
159  case ISD::UDIV:                       return "udiv";
160  case ISD::SREM:                       return "srem";
161  case ISD::UREM:                       return "urem";
162  case ISD::SMUL_LOHI:                  return "smul_lohi";
163  case ISD::UMUL_LOHI:                  return "umul_lohi";
164  case ISD::SDIVREM:                    return "sdivrem";
165  case ISD::UDIVREM:                    return "udivrem";
166  case ISD::AND:                        return "and";
167  case ISD::OR:                         return "or";
168  case ISD::XOR:                        return "xor";
169  case ISD::SHL:                        return "shl";
170  case ISD::SRA:                        return "sra";
171  case ISD::SRL:                        return "srl";
172  case ISD::ROTL:                       return "rotl";
173  case ISD::ROTR:                       return "rotr";
174  case ISD::FADD:                       return "fadd";
175  case ISD::FSUB:                       return "fsub";
176  case ISD::FMUL:                       return "fmul";
177  case ISD::FDIV:                       return "fdiv";
178  case ISD::FMA:                        return "fma";
179  case ISD::FREM:                       return "frem";
180  case ISD::FCOPYSIGN:                  return "fcopysign";
181  case ISD::FGETSIGN:                   return "fgetsign";
182  case ISD::FPOW:                       return "fpow";
183
184  case ISD::FPOWI:                      return "fpowi";
185  case ISD::SETCC:                      return "setcc";
186  case ISD::SELECT:                     return "select";
187  case ISD::VSELECT:                    return "vselect";
188  case ISD::SELECT_CC:                  return "select_cc";
189  case ISD::INSERT_VECTOR_ELT:          return "insert_vector_elt";
190  case ISD::EXTRACT_VECTOR_ELT:         return "extract_vector_elt";
191  case ISD::CONCAT_VECTORS:             return "concat_vectors";
192  case ISD::INSERT_SUBVECTOR:           return "insert_subvector";
193  case ISD::EXTRACT_SUBVECTOR:          return "extract_subvector";
194  case ISD::SCALAR_TO_VECTOR:           return "scalar_to_vector";
195  case ISD::VECTOR_SHUFFLE:             return "vector_shuffle";
196  case ISD::CARRY_FALSE:                return "carry_false";
197  case ISD::ADDC:                       return "addc";
198  case ISD::ADDE:                       return "adde";
199  case ISD::SADDO:                      return "saddo";
200  case ISD::UADDO:                      return "uaddo";
201  case ISD::SSUBO:                      return "ssubo";
202  case ISD::USUBO:                      return "usubo";
203  case ISD::SMULO:                      return "smulo";
204  case ISD::UMULO:                      return "umulo";
205  case ISD::SUBC:                       return "subc";
206  case ISD::SUBE:                       return "sube";
207  case ISD::SHL_PARTS:                  return "shl_parts";
208  case ISD::SRA_PARTS:                  return "sra_parts";
209  case ISD::SRL_PARTS:                  return "srl_parts";
210
211  // Conversion operators.
212  case ISD::SIGN_EXTEND:                return "sign_extend";
213  case ISD::ZERO_EXTEND:                return "zero_extend";
214  case ISD::ANY_EXTEND:                 return "any_extend";
215  case ISD::SIGN_EXTEND_INREG:          return "sign_extend_inreg";
216  case ISD::TRUNCATE:                   return "truncate";
217  case ISD::FP_ROUND:                   return "fp_round";
218  case ISD::FLT_ROUNDS_:                return "flt_rounds";
219  case ISD::FP_ROUND_INREG:             return "fp_round_inreg";
220  case ISD::FP_EXTEND:                  return "fp_extend";
221
222  case ISD::SINT_TO_FP:                 return "sint_to_fp";
223  case ISD::UINT_TO_FP:                 return "uint_to_fp";
224  case ISD::FP_TO_SINT:                 return "fp_to_sint";
225  case ISD::FP_TO_UINT:                 return "fp_to_uint";
226  case ISD::BITCAST:                    return "bitcast";
227  case ISD::ADDRSPACECAST:              return "addrspacecast";
228  case ISD::FP16_TO_FP32:               return "fp16_to_fp32";
229  case ISD::FP32_TO_FP16:               return "fp32_to_fp16";
230
231  case ISD::CONVERT_RNDSAT: {
232    switch (cast<CvtRndSatSDNode>(this)->getCvtCode()) {
233    default: llvm_unreachable("Unknown cvt code!");
234    case ISD::CVT_FF:                   return "cvt_ff";
235    case ISD::CVT_FS:                   return "cvt_fs";
236    case ISD::CVT_FU:                   return "cvt_fu";
237    case ISD::CVT_SF:                   return "cvt_sf";
238    case ISD::CVT_UF:                   return "cvt_uf";
239    case ISD::CVT_SS:                   return "cvt_ss";
240    case ISD::CVT_SU:                   return "cvt_su";
241    case ISD::CVT_US:                   return "cvt_us";
242    case ISD::CVT_UU:                   return "cvt_uu";
243    }
244  }
245
246    // Control flow instructions
247  case ISD::BR:                         return "br";
248  case ISD::BRIND:                      return "brind";
249  case ISD::BR_JT:                      return "br_jt";
250  case ISD::BRCOND:                     return "brcond";
251  case ISD::BR_CC:                      return "br_cc";
252  case ISD::CALLSEQ_START:              return "callseq_start";
253  case ISD::CALLSEQ_END:                return "callseq_end";
254
255    // Other operators
256  case ISD::LOAD:                       return "load";
257  case ISD::STORE:                      return "store";
258  case ISD::VAARG:                      return "vaarg";
259  case ISD::VACOPY:                     return "vacopy";
260  case ISD::VAEND:                      return "vaend";
261  case ISD::VASTART:                    return "vastart";
262  case ISD::DYNAMIC_STACKALLOC:         return "dynamic_stackalloc";
263  case ISD::EXTRACT_ELEMENT:            return "extract_element";
264  case ISD::BUILD_PAIR:                 return "build_pair";
265  case ISD::STACKSAVE:                  return "stacksave";
266  case ISD::STACKRESTORE:               return "stackrestore";
267  case ISD::TRAP:                       return "trap";
268  case ISD::DEBUGTRAP:                  return "debugtrap";
269  case ISD::LIFETIME_START:             return "lifetime.start";
270  case ISD::LIFETIME_END:               return "lifetime.end";
271
272  // Bit manipulation
273  case ISD::BSWAP:                      return "bswap";
274  case ISD::CTPOP:                      return "ctpop";
275  case ISD::CTTZ:                       return "cttz";
276  case ISD::CTTZ_ZERO_UNDEF:            return "cttz_zero_undef";
277  case ISD::CTLZ:                       return "ctlz";
278  case ISD::CTLZ_ZERO_UNDEF:            return "ctlz_zero_undef";
279
280  // Trampolines
281  case ISD::INIT_TRAMPOLINE:            return "init_trampoline";
282  case ISD::ADJUST_TRAMPOLINE:          return "adjust_trampoline";
283
284  case ISD::CONDCODE:
285    switch (cast<CondCodeSDNode>(this)->get()) {
286    default: llvm_unreachable("Unknown setcc condition!");
287    case ISD::SETOEQ:                   return "setoeq";
288    case ISD::SETOGT:                   return "setogt";
289    case ISD::SETOGE:                   return "setoge";
290    case ISD::SETOLT:                   return "setolt";
291    case ISD::SETOLE:                   return "setole";
292    case ISD::SETONE:                   return "setone";
293
294    case ISD::SETO:                     return "seto";
295    case ISD::SETUO:                    return "setuo";
296    case ISD::SETUEQ:                   return "setue";
297    case ISD::SETUGT:                   return "setugt";
298    case ISD::SETUGE:                   return "setuge";
299    case ISD::SETULT:                   return "setult";
300    case ISD::SETULE:                   return "setule";
301    case ISD::SETUNE:                   return "setune";
302
303    case ISD::SETEQ:                    return "seteq";
304    case ISD::SETGT:                    return "setgt";
305    case ISD::SETGE:                    return "setge";
306    case ISD::SETLT:                    return "setlt";
307    case ISD::SETLE:                    return "setle";
308    case ISD::SETNE:                    return "setne";
309
310    case ISD::SETTRUE:                  return "settrue";
311    case ISD::SETTRUE2:                 return "settrue2";
312    case ISD::SETFALSE:                 return "setfalse";
313    case ISD::SETFALSE2:                return "setfalse2";
314    }
315  }
316}
317
318const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
319  switch (AM) {
320  default:              return "";
321  case ISD::PRE_INC:    return "<pre-inc>";
322  case ISD::PRE_DEC:    return "<pre-dec>";
323  case ISD::POST_INC:   return "<post-inc>";
324  case ISD::POST_DEC:   return "<post-dec>";
325  }
326}
327
328void SDNode::dump() const { dump(0); }
329void SDNode::dump(const SelectionDAG *G) const {
330  print(dbgs(), G);
331  dbgs() << '\n';
332}
333
334void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
335  OS << (const void*)this << ": ";
336
337  for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
338    if (i) OS << ",";
339    if (getValueType(i) == MVT::Other)
340      OS << "ch";
341    else
342      OS << getValueType(i).getEVTString();
343  }
344  OS << " = " << getOperationName(G);
345}
346
347void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
348  if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
349    if (!MN->memoperands_empty()) {
350      OS << "<";
351      OS << "Mem:";
352      for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
353           e = MN->memoperands_end(); i != e; ++i) {
354        OS << **i;
355        if (llvm::next(i) != e)
356          OS << " ";
357      }
358      OS << ">";
359    }
360  } else if (const ShuffleVectorSDNode *SVN =
361               dyn_cast<ShuffleVectorSDNode>(this)) {
362    OS << "<";
363    for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
364      int Idx = SVN->getMaskElt(i);
365      if (i) OS << ",";
366      if (Idx < 0)
367        OS << "u";
368      else
369        OS << Idx;
370    }
371    OS << ">";
372  } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
373    OS << '<' << CSDN->getAPIntValue() << '>';
374  } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
375    if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle)
376      OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
377    else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble)
378      OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
379    else {
380      OS << "<APFloat(";
381      CSDN->getValueAPF().bitcastToAPInt().dump();
382      OS << ")>";
383    }
384  } else if (const GlobalAddressSDNode *GADN =
385             dyn_cast<GlobalAddressSDNode>(this)) {
386    int64_t offset = GADN->getOffset();
387    OS << '<';
388    WriteAsOperand(OS, GADN->getGlobal());
389    OS << '>';
390    if (offset > 0)
391      OS << " + " << offset;
392    else
393      OS << " " << offset;
394    if (unsigned int TF = GADN->getTargetFlags())
395      OS << " [TF=" << TF << ']';
396  } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
397    OS << "<" << FIDN->getIndex() << ">";
398  } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
399    OS << "<" << JTDN->getIndex() << ">";
400    if (unsigned int TF = JTDN->getTargetFlags())
401      OS << " [TF=" << TF << ']';
402  } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
403    int offset = CP->getOffset();
404    if (CP->isMachineConstantPoolEntry())
405      OS << "<" << *CP->getMachineCPVal() << ">";
406    else
407      OS << "<" << *CP->getConstVal() << ">";
408    if (offset > 0)
409      OS << " + " << offset;
410    else
411      OS << " " << offset;
412    if (unsigned int TF = CP->getTargetFlags())
413      OS << " [TF=" << TF << ']';
414  } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
415    OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
416    if (unsigned TF = TI->getTargetFlags())
417      OS << " [TF=" << TF << ']';
418  } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
419    OS << "<";
420    const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
421    if (LBB)
422      OS << LBB->getName() << " ";
423    OS << (const void*)BBDN->getBasicBlock() << ">";
424  } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
425    OS << ' ' << PrintReg(R->getReg(), G ? G->getTarget().getRegisterInfo() :0);
426  } else if (const ExternalSymbolSDNode *ES =
427             dyn_cast<ExternalSymbolSDNode>(this)) {
428    OS << "'" << ES->getSymbol() << "'";
429    if (unsigned int TF = ES->getTargetFlags())
430      OS << " [TF=" << TF << ']';
431  } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
432    if (M->getValue())
433      OS << "<" << M->getValue() << ">";
434    else
435      OS << "<null>";
436  } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
437    if (MD->getMD())
438      OS << "<" << MD->getMD() << ">";
439    else
440      OS << "<null>";
441  } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
442    OS << ":" << N->getVT().getEVTString();
443  }
444  else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
445    OS << "<" << *LD->getMemOperand();
446
447    bool doExt = true;
448    switch (LD->getExtensionType()) {
449    default: doExt = false; break;
450    case ISD::EXTLOAD:  OS << ", anyext"; break;
451    case ISD::SEXTLOAD: OS << ", sext"; break;
452    case ISD::ZEXTLOAD: OS << ", zext"; break;
453    }
454    if (doExt)
455      OS << " from " << LD->getMemoryVT().getEVTString();
456
457    const char *AM = getIndexedModeName(LD->getAddressingMode());
458    if (*AM)
459      OS << ", " << AM;
460
461    OS << ">";
462  } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
463    OS << "<" << *ST->getMemOperand();
464
465    if (ST->isTruncatingStore())
466      OS << ", trunc to " << ST->getMemoryVT().getEVTString();
467
468    const char *AM = getIndexedModeName(ST->getAddressingMode());
469    if (*AM)
470      OS << ", " << AM;
471
472    OS << ">";
473  } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) {
474    OS << "<" << *M->getMemOperand() << ">";
475  } else if (const BlockAddressSDNode *BA =
476               dyn_cast<BlockAddressSDNode>(this)) {
477    int64_t offset = BA->getOffset();
478    OS << "<";
479    WriteAsOperand(OS, BA->getBlockAddress()->getFunction(), false);
480    OS << ", ";
481    WriteAsOperand(OS, BA->getBlockAddress()->getBasicBlock(), false);
482    OS << ">";
483    if (offset > 0)
484      OS << " + " << offset;
485    else
486      OS << " " << offset;
487    if (unsigned int TF = BA->getTargetFlags())
488      OS << " [TF=" << TF << ']';
489  } else if (const AddrSpaceCastSDNode *ASC =
490               dyn_cast<AddrSpaceCastSDNode>(this)) {
491    OS << '['
492       << ASC->getSrcAddressSpace()
493       << " -> "
494       << ASC->getDestAddressSpace()
495       << ']';
496  }
497
498  if (unsigned Order = getIROrder())
499      OS << " [ORD=" << Order << ']';
500
501  if (getNodeId() != -1)
502    OS << " [ID=" << getNodeId() << ']';
503
504  DebugLoc dl = getDebugLoc();
505  if (G && !dl.isUnknown()) {
506    DIScope
507      Scope(dl.getScope(G->getMachineFunction().getFunction()->getContext()));
508    OS << " dbg:";
509    assert((!Scope || Scope.isScope()) &&
510      "Scope of a DebugLoc should be null or a DIScope.");
511    // Omit the directory, since it's usually long and uninteresting.
512    if (Scope)
513      OS << Scope.getFilename();
514    else
515      OS << "<unknown>";
516    OS << ':' << dl.getLine();
517    if (dl.getCol() != 0)
518      OS << ':' << dl.getCol();
519  }
520}
521
522static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
523  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
524    if (N->getOperand(i).getNode()->hasOneUse())
525      DumpNodes(N->getOperand(i).getNode(), indent+2, G);
526    else
527      dbgs() << "\n" << std::string(indent+2, ' ')
528             << (void*)N->getOperand(i).getNode() << ": <multiple use>";
529
530  dbgs() << '\n';
531  dbgs().indent(indent);
532  N->dump(G);
533}
534
535void SelectionDAG::dump() const {
536  dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:";
537
538  for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
539       I != E; ++I) {
540    const SDNode *N = I;
541    if (!N->hasOneUse() && N != getRoot().getNode())
542      DumpNodes(N, 2, this);
543  }
544
545  if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
546  dbgs() << "\n\n";
547}
548
549void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
550  print_types(OS, G);
551  print_details(OS, G);
552}
553
554typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet;
555static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
556                       const SelectionDAG *G, VisitedSDNodeSet &once) {
557  if (!once.insert(N))          // If we've been here before, return now.
558    return;
559
560  // Dump the current SDNode, but don't end the line yet.
561  OS.indent(indent);
562  N->printr(OS, G);
563
564  // Having printed this SDNode, walk the children:
565  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
566    const SDNode *child = N->getOperand(i).getNode();
567
568    if (i) OS << ",";
569    OS << " ";
570
571    if (child->getNumOperands() == 0) {
572      // This child has no grandchildren; print it inline right here.
573      child->printr(OS, G);
574      once.insert(child);
575    } else {         // Just the address. FIXME: also print the child's opcode.
576      OS << (const void*)child;
577      if (unsigned RN = N->getOperand(i).getResNo())
578        OS << ":" << RN;
579    }
580  }
581
582  OS << "\n";
583
584  // Dump children that have grandchildren on their own line(s).
585  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
586    const SDNode *child = N->getOperand(i).getNode();
587    DumpNodesr(OS, child, indent+2, G, once);
588  }
589}
590
591void SDNode::dumpr() const {
592  VisitedSDNodeSet once;
593  DumpNodesr(dbgs(), this, 0, 0, once);
594}
595
596void SDNode::dumpr(const SelectionDAG *G) const {
597  VisitedSDNodeSet once;
598  DumpNodesr(dbgs(), this, 0, G, once);
599}
600
601static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
602                                  const SelectionDAG *G, unsigned depth,
603                                  unsigned indent) {
604  if (depth == 0)
605    return;
606
607  OS.indent(indent);
608
609  N->print(OS, G);
610
611  if (depth < 1)
612    return;
613
614  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
615    // Don't follow chain operands.
616    if (N->getOperand(i).getValueType() == MVT::Other)
617      continue;
618    OS << '\n';
619    printrWithDepthHelper(OS, N->getOperand(i).getNode(), G, depth-1, indent+2);
620  }
621}
622
623void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
624                            unsigned depth) const {
625  printrWithDepthHelper(OS, this, G, depth, 0);
626}
627
628void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
629  // Don't print impossibly deep things.
630  printrWithDepth(OS, G, 10);
631}
632
633void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
634  printrWithDepth(dbgs(), G, depth);
635}
636
637void SDNode::dumprFull(const SelectionDAG *G) const {
638  // Don't print impossibly deep things.
639  dumprWithDepth(G, 10);
640}
641
642void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
643  print_types(OS, G);
644  for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
645    if (i) OS << ", "; else OS << " ";
646    OS << (void*)getOperand(i).getNode();
647    if (unsigned RN = getOperand(i).getResNo())
648      OS << ":" << RN;
649  }
650  print_details(OS, G);
651}
652