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 "SDNodeDbgValue.h"
14#include "llvm/ADT/APFloat.h"
15#include "llvm/ADT/APInt.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 <cstdint>
49#include <iterator>
50
51using namespace llvm;
52
53static cl::opt<bool>
54VerboseDAGDumping("dag-dump-verbose", cl::Hidden,
55                  cl::desc("Display more information when dumping selection "
56                           "DAG nodes."));
57
58std::string SDNode::getOperationName(const SelectionDAG *G) const {
59  switch (getOpcode()) {
60  default:
61    if (getOpcode() < ISD::BUILTIN_OP_END)
62      return "<<Unknown DAG Node>>";
63    if (isMachineOpcode()) {
64      if (G)
65        if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo())
66          if (getMachineOpcode() < TII->getNumOpcodes())
67            return std::string(TII->getName(getMachineOpcode()));
68      return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>";
69    }
70    if (G) {
71      const TargetLowering &TLI = G->getTargetLoweringInfo();
72      const char *Name = TLI.getTargetNodeName(getOpcode());
73      if (Name) return Name;
74      return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>";
75    }
76    return "<<Unknown Node #" + utostr(getOpcode()) + ">>";
77
78#ifndef NDEBUG
79  case ISD::DELETED_NODE:               return "<<Deleted Node!>>";
80#endif
81  case ISD::PREFETCH:                   return "Prefetch";
82  case ISD::MEMBARRIER:                 return "MemBarrier";
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_UINC_WRAP:
100    return "AtomicLoadUIncWrap";
101  case ISD::ATOMIC_LOAD_UDEC_WRAP:
102    return "AtomicLoadUDecWrap";
103  case ISD::ATOMIC_LOAD:                return "AtomicLoad";
104  case ISD::ATOMIC_STORE:               return "AtomicStore";
105  case ISD::PCMARKER:                   return "PCMarker";
106  case ISD::READCYCLECOUNTER:           return "ReadCycleCounter";
107  case ISD::SRCVALUE:                   return "SrcValue";
108  case ISD::MDNODE_SDNODE:              return "MDNode";
109  case ISD::EntryToken:                 return "EntryToken";
110  case ISD::TokenFactor:                return "TokenFactor";
111  case ISD::AssertSext:                 return "AssertSext";
112  case ISD::AssertZext:                 return "AssertZext";
113  case ISD::AssertAlign:                return "AssertAlign";
114
115  case ISD::BasicBlock:                 return "BasicBlock";
116  case ISD::VALUETYPE:                  return "ValueType";
117  case ISD::Register:                   return "Register";
118  case ISD::RegisterMask:               return "RegisterMask";
119  case ISD::Constant:
120    if (cast<ConstantSDNode>(this)->isOpaque())
121      return "OpaqueConstant";
122    return "Constant";
123  case ISD::ConstantFP:                 return "ConstantFP";
124  case ISD::GlobalAddress:              return "GlobalAddress";
125  case ISD::GlobalTLSAddress:           return "GlobalTLSAddress";
126  case ISD::FrameIndex:                 return "FrameIndex";
127  case ISD::JumpTable:                  return "JumpTable";
128  case ISD::GLOBAL_OFFSET_TABLE:        return "GLOBAL_OFFSET_TABLE";
129  case ISD::RETURNADDR:                 return "RETURNADDR";
130  case ISD::ADDROFRETURNADDR:           return "ADDROFRETURNADDR";
131  case ISD::FRAMEADDR:                  return "FRAMEADDR";
132  case ISD::SPONENTRY:                  return "SPONENTRY";
133  case ISD::LOCAL_RECOVER:              return "LOCAL_RECOVER";
134  case ISD::READ_REGISTER:              return "READ_REGISTER";
135  case ISD::WRITE_REGISTER:             return "WRITE_REGISTER";
136  case ISD::FRAME_TO_ARGS_OFFSET:       return "FRAME_TO_ARGS_OFFSET";
137  case ISD::EH_DWARF_CFA:               return "EH_DWARF_CFA";
138  case ISD::EH_RETURN:                  return "EH_RETURN";
139  case ISD::EH_SJLJ_SETJMP:             return "EH_SJLJ_SETJMP";
140  case ISD::EH_SJLJ_LONGJMP:            return "EH_SJLJ_LONGJMP";
141  case ISD::EH_SJLJ_SETUP_DISPATCH:     return "EH_SJLJ_SETUP_DISPATCH";
142  case ISD::ConstantPool:               return "ConstantPool";
143  case ISD::TargetIndex:                return "TargetIndex";
144  case ISD::ExternalSymbol:             return "ExternalSymbol";
145  case ISD::BlockAddress:               return "BlockAddress";
146  case ISD::INTRINSIC_WO_CHAIN:
147  case ISD::INTRINSIC_VOID:
148  case ISD::INTRINSIC_W_CHAIN: {
149    unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
150    unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue();
151    if (IID < Intrinsic::num_intrinsics)
152      return Intrinsic::getBaseName((Intrinsic::ID)IID).str();
153    if (!G)
154      return "Unknown intrinsic";
155    if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
156      return TII->getName(IID);
157    llvm_unreachable("Invalid intrinsic ID");
158  }
159
160  case ISD::BUILD_VECTOR:               return "BUILD_VECTOR";
161  case ISD::TargetConstant:
162    if (cast<ConstantSDNode>(this)->isOpaque())
163      return "OpaqueTargetConstant";
164    return "TargetConstant";
165  case ISD::TargetConstantFP:           return "TargetConstantFP";
166  case ISD::TargetGlobalAddress:        return "TargetGlobalAddress";
167  case ISD::TargetGlobalTLSAddress:     return "TargetGlobalTLSAddress";
168  case ISD::TargetFrameIndex:           return "TargetFrameIndex";
169  case ISD::TargetJumpTable:            return "TargetJumpTable";
170  case ISD::TargetConstantPool:         return "TargetConstantPool";
171  case ISD::TargetExternalSymbol:       return "TargetExternalSymbol";
172  case ISD::MCSymbol:                   return "MCSymbol";
173  case ISD::TargetBlockAddress:         return "TargetBlockAddress";
174
175  case ISD::CopyToReg:                  return "CopyToReg";
176  case ISD::CopyFromReg:                return "CopyFromReg";
177  case ISD::UNDEF:                      return "undef";
178  case ISD::VSCALE:                     return "vscale";
179  case ISD::MERGE_VALUES:               return "merge_values";
180  case ISD::INLINEASM:                  return "inlineasm";
181  case ISD::INLINEASM_BR:               return "inlineasm_br";
182  case ISD::EH_LABEL:                   return "eh_label";
183  case ISD::ANNOTATION_LABEL:           return "annotation_label";
184  case ISD::HANDLENODE:                 return "handlenode";
185
186  // Unary operators
187  case ISD::FABS:                       return "fabs";
188  case ISD::FMINNUM:                    return "fminnum";
189  case ISD::STRICT_FMINNUM:             return "strict_fminnum";
190  case ISD::FMAXNUM:                    return "fmaxnum";
191  case ISD::STRICT_FMAXNUM:             return "strict_fmaxnum";
192  case ISD::FMINNUM_IEEE:               return "fminnum_ieee";
193  case ISD::FMAXNUM_IEEE:               return "fmaxnum_ieee";
194  case ISD::FMINIMUM:                   return "fminimum";
195  case ISD::STRICT_FMINIMUM:            return "strict_fminimum";
196  case ISD::FMAXIMUM:                   return "fmaximum";
197  case ISD::STRICT_FMAXIMUM:            return "strict_fmaximum";
198  case ISD::FNEG:                       return "fneg";
199  case ISD::FSQRT:                      return "fsqrt";
200  case ISD::STRICT_FSQRT:               return "strict_fsqrt";
201  case ISD::FCBRT:                      return "fcbrt";
202  case ISD::FSIN:                       return "fsin";
203  case ISD::STRICT_FSIN:                return "strict_fsin";
204  case ISD::FCOS:                       return "fcos";
205  case ISD::STRICT_FCOS:                return "strict_fcos";
206  case ISD::FSINCOS:                    return "fsincos";
207  case ISD::FTRUNC:                     return "ftrunc";
208  case ISD::STRICT_FTRUNC:              return "strict_ftrunc";
209  case ISD::FFLOOR:                     return "ffloor";
210  case ISD::STRICT_FFLOOR:              return "strict_ffloor";
211  case ISD::FCEIL:                      return "fceil";
212  case ISD::STRICT_FCEIL:               return "strict_fceil";
213  case ISD::FRINT:                      return "frint";
214  case ISD::STRICT_FRINT:               return "strict_frint";
215  case ISD::FNEARBYINT:                 return "fnearbyint";
216  case ISD::STRICT_FNEARBYINT:          return "strict_fnearbyint";
217  case ISD::FROUND:                     return "fround";
218  case ISD::STRICT_FROUND:              return "strict_fround";
219  case ISD::FROUNDEVEN:                 return "froundeven";
220  case ISD::STRICT_FROUNDEVEN:          return "strict_froundeven";
221  case ISD::FEXP:                       return "fexp";
222  case ISD::STRICT_FEXP:                return "strict_fexp";
223  case ISD::FEXP2:                      return "fexp2";
224  case ISD::STRICT_FEXP2:               return "strict_fexp2";
225  case ISD::FLOG:                       return "flog";
226  case ISD::STRICT_FLOG:                return "strict_flog";
227  case ISD::FLOG2:                      return "flog2";
228  case ISD::STRICT_FLOG2:               return "strict_flog2";
229  case ISD::FLOG10:                     return "flog10";
230  case ISD::STRICT_FLOG10:              return "strict_flog10";
231
232  // Binary operators
233  case ISD::ADD:                        return "add";
234  case ISD::SUB:                        return "sub";
235  case ISD::MUL:                        return "mul";
236  case ISD::MULHU:                      return "mulhu";
237  case ISD::MULHS:                      return "mulhs";
238  case ISD::AVGFLOORU:                  return "avgflooru";
239  case ISD::AVGFLOORS:                  return "avgfloors";
240  case ISD::AVGCEILU:                   return "avgceilu";
241  case ISD::AVGCEILS:                   return "avgceils";
242  case ISD::ABDS:                       return "abds";
243  case ISD::ABDU:                       return "abdu";
244  case ISD::SDIV:                       return "sdiv";
245  case ISD::UDIV:                       return "udiv";
246  case ISD::SREM:                       return "srem";
247  case ISD::UREM:                       return "urem";
248  case ISD::SMUL_LOHI:                  return "smul_lohi";
249  case ISD::UMUL_LOHI:                  return "umul_lohi";
250  case ISD::SDIVREM:                    return "sdivrem";
251  case ISD::UDIVREM:                    return "udivrem";
252  case ISD::AND:                        return "and";
253  case ISD::OR:                         return "or";
254  case ISD::XOR:                        return "xor";
255  case ISD::SHL:                        return "shl";
256  case ISD::SRA:                        return "sra";
257  case ISD::SRL:                        return "srl";
258  case ISD::ROTL:                       return "rotl";
259  case ISD::ROTR:                       return "rotr";
260  case ISD::FSHL:                       return "fshl";
261  case ISD::FSHR:                       return "fshr";
262  case ISD::FADD:                       return "fadd";
263  case ISD::STRICT_FADD:                return "strict_fadd";
264  case ISD::FSUB:                       return "fsub";
265  case ISD::STRICT_FSUB:                return "strict_fsub";
266  case ISD::FMUL:                       return "fmul";
267  case ISD::STRICT_FMUL:                return "strict_fmul";
268  case ISD::FDIV:                       return "fdiv";
269  case ISD::STRICT_FDIV:                return "strict_fdiv";
270  case ISD::FMA:                        return "fma";
271  case ISD::STRICT_FMA:                 return "strict_fma";
272  case ISD::FMAD:                       return "fmad";
273  case ISD::FREM:                       return "frem";
274  case ISD::STRICT_FREM:                return "strict_frem";
275  case ISD::FCOPYSIGN:                  return "fcopysign";
276  case ISD::FGETSIGN:                   return "fgetsign";
277  case ISD::FCANONICALIZE:              return "fcanonicalize";
278  case ISD::IS_FPCLASS:                 return "is_fpclass";
279  case ISD::FPOW:                       return "fpow";
280  case ISD::STRICT_FPOW:                return "strict_fpow";
281  case ISD::SMIN:                       return "smin";
282  case ISD::SMAX:                       return "smax";
283  case ISD::UMIN:                       return "umin";
284  case ISD::UMAX:                       return "umax";
285
286  case ISD::FPOWI:                      return "fpowi";
287  case ISD::STRICT_FPOWI:               return "strict_fpowi";
288  case ISD::SETCC:                      return "setcc";
289  case ISD::SETCCCARRY:                 return "setcccarry";
290  case ISD::STRICT_FSETCC:              return "strict_fsetcc";
291  case ISD::STRICT_FSETCCS:             return "strict_fsetccs";
292  case ISD::SELECT:                     return "select";
293  case ISD::VSELECT:                    return "vselect";
294  case ISD::SELECT_CC:                  return "select_cc";
295  case ISD::INSERT_VECTOR_ELT:          return "insert_vector_elt";
296  case ISD::EXTRACT_VECTOR_ELT:         return "extract_vector_elt";
297  case ISD::CONCAT_VECTORS:             return "concat_vectors";
298  case ISD::INSERT_SUBVECTOR:           return "insert_subvector";
299  case ISD::EXTRACT_SUBVECTOR:          return "extract_subvector";
300  case ISD::SCALAR_TO_VECTOR:           return "scalar_to_vector";
301  case ISD::VECTOR_SHUFFLE:             return "vector_shuffle";
302  case ISD::VECTOR_SPLICE:              return "vector_splice";
303  case ISD::SPLAT_VECTOR:               return "splat_vector";
304  case ISD::SPLAT_VECTOR_PARTS:         return "splat_vector_parts";
305  case ISD::VECTOR_REVERSE:             return "vector_reverse";
306  case ISD::STEP_VECTOR:                return "step_vector";
307  case ISD::CARRY_FALSE:                return "carry_false";
308  case ISD::ADDC:                       return "addc";
309  case ISD::ADDE:                       return "adde";
310  case ISD::ADDCARRY:                   return "addcarry";
311  case ISD::SADDO_CARRY:                return "saddo_carry";
312  case ISD::SADDO:                      return "saddo";
313  case ISD::UADDO:                      return "uaddo";
314  case ISD::SSUBO:                      return "ssubo";
315  case ISD::USUBO:                      return "usubo";
316  case ISD::SMULO:                      return "smulo";
317  case ISD::UMULO:                      return "umulo";
318  case ISD::SUBC:                       return "subc";
319  case ISD::SUBE:                       return "sube";
320  case ISD::SUBCARRY:                   return "subcarry";
321  case ISD::SSUBO_CARRY:                return "ssubo_carry";
322  case ISD::SHL_PARTS:                  return "shl_parts";
323  case ISD::SRA_PARTS:                  return "sra_parts";
324  case ISD::SRL_PARTS:                  return "srl_parts";
325
326  case ISD::SADDSAT:                    return "saddsat";
327  case ISD::UADDSAT:                    return "uaddsat";
328  case ISD::SSUBSAT:                    return "ssubsat";
329  case ISD::USUBSAT:                    return "usubsat";
330  case ISD::SSHLSAT:                    return "sshlsat";
331  case ISD::USHLSAT:                    return "ushlsat";
332
333  case ISD::SMULFIX:                    return "smulfix";
334  case ISD::SMULFIXSAT:                 return "smulfixsat";
335  case ISD::UMULFIX:                    return "umulfix";
336  case ISD::UMULFIXSAT:                 return "umulfixsat";
337
338  case ISD::SDIVFIX:                    return "sdivfix";
339  case ISD::SDIVFIXSAT:                 return "sdivfixsat";
340  case ISD::UDIVFIX:                    return "udivfix";
341  case ISD::UDIVFIXSAT:                 return "udivfixsat";
342
343  // Conversion operators.
344  case ISD::SIGN_EXTEND:                return "sign_extend";
345  case ISD::ZERO_EXTEND:                return "zero_extend";
346  case ISD::ANY_EXTEND:                 return "any_extend";
347  case ISD::SIGN_EXTEND_INREG:          return "sign_extend_inreg";
348  case ISD::ANY_EXTEND_VECTOR_INREG:    return "any_extend_vector_inreg";
349  case ISD::SIGN_EXTEND_VECTOR_INREG:   return "sign_extend_vector_inreg";
350  case ISD::ZERO_EXTEND_VECTOR_INREG:   return "zero_extend_vector_inreg";
351  case ISD::TRUNCATE:                   return "truncate";
352  case ISD::FP_ROUND:                   return "fp_round";
353  case ISD::STRICT_FP_ROUND:            return "strict_fp_round";
354  case ISD::FP_EXTEND:                  return "fp_extend";
355  case ISD::STRICT_FP_EXTEND:           return "strict_fp_extend";
356
357  case ISD::SINT_TO_FP:                 return "sint_to_fp";
358  case ISD::STRICT_SINT_TO_FP:          return "strict_sint_to_fp";
359  case ISD::UINT_TO_FP:                 return "uint_to_fp";
360  case ISD::STRICT_UINT_TO_FP:          return "strict_uint_to_fp";
361  case ISD::FP_TO_SINT:                 return "fp_to_sint";
362  case ISD::STRICT_FP_TO_SINT:          return "strict_fp_to_sint";
363  case ISD::FP_TO_UINT:                 return "fp_to_uint";
364  case ISD::STRICT_FP_TO_UINT:          return "strict_fp_to_uint";
365  case ISD::FP_TO_SINT_SAT:             return "fp_to_sint_sat";
366  case ISD::FP_TO_UINT_SAT:             return "fp_to_uint_sat";
367  case ISD::BITCAST:                    return "bitcast";
368  case ISD::ADDRSPACECAST:              return "addrspacecast";
369  case ISD::FP16_TO_FP:                 return "fp16_to_fp";
370  case ISD::STRICT_FP16_TO_FP:          return "strict_fp16_to_fp";
371  case ISD::FP_TO_FP16:                 return "fp_to_fp16";
372  case ISD::STRICT_FP_TO_FP16:          return "strict_fp_to_fp16";
373  case ISD::BF16_TO_FP:                 return "bf16_to_fp";
374  case ISD::FP_TO_BF16:                 return "fp_to_bf16";
375  case ISD::LROUND:                     return "lround";
376  case ISD::STRICT_LROUND:              return "strict_lround";
377  case ISD::LLROUND:                    return "llround";
378  case ISD::STRICT_LLROUND:             return "strict_llround";
379  case ISD::LRINT:                      return "lrint";
380  case ISD::STRICT_LRINT:               return "strict_lrint";
381  case ISD::LLRINT:                     return "llrint";
382  case ISD::STRICT_LLRINT:              return "strict_llrint";
383
384    // Control flow instructions
385  case ISD::BR:                         return "br";
386  case ISD::BRIND:                      return "brind";
387  case ISD::BR_JT:                      return "br_jt";
388  case ISD::BRCOND:                     return "brcond";
389  case ISD::BR_CC:                      return "br_cc";
390  case ISD::CALLSEQ_START:              return "callseq_start";
391  case ISD::CALLSEQ_END:                return "callseq_end";
392
393    // EH instructions
394  case ISD::CATCHRET:                   return "catchret";
395  case ISD::CLEANUPRET:                 return "cleanupret";
396
397    // Other operators
398  case ISD::LOAD:                       return "load";
399  case ISD::STORE:                      return "store";
400  case ISD::MLOAD:                      return "masked_load";
401  case ISD::MSTORE:                     return "masked_store";
402  case ISD::MGATHER:                    return "masked_gather";
403  case ISD::MSCATTER:                   return "masked_scatter";
404  case ISD::VAARG:                      return "vaarg";
405  case ISD::VACOPY:                     return "vacopy";
406  case ISD::VAEND:                      return "vaend";
407  case ISD::VASTART:                    return "vastart";
408  case ISD::DYNAMIC_STACKALLOC:         return "dynamic_stackalloc";
409  case ISD::EXTRACT_ELEMENT:            return "extract_element";
410  case ISD::BUILD_PAIR:                 return "build_pair";
411  case ISD::STACKSAVE:                  return "stacksave";
412  case ISD::STACKRESTORE:               return "stackrestore";
413  case ISD::TRAP:                       return "trap";
414  case ISD::DEBUGTRAP:                  return "debugtrap";
415  case ISD::UBSANTRAP:                  return "ubsantrap";
416  case ISD::LIFETIME_START:             return "lifetime.start";
417  case ISD::LIFETIME_END:               return "lifetime.end";
418  case ISD::PSEUDO_PROBE:
419    return "pseudoprobe";
420  case ISD::GC_TRANSITION_START:        return "gc_transition.start";
421  case ISD::GC_TRANSITION_END:          return "gc_transition.end";
422  case ISD::GET_DYNAMIC_AREA_OFFSET:    return "get.dynamic.area.offset";
423  case ISD::FREEZE:                     return "freeze";
424  case ISD::PREALLOCATED_SETUP:
425    return "call_setup";
426  case ISD::PREALLOCATED_ARG:
427    return "call_alloc";
428
429  // Floating point environment manipulation
430  case ISD::GET_ROUNDING:               return "get_rounding";
431  case ISD::SET_ROUNDING:               return "set_rounding";
432
433  // Bit manipulation
434  case ISD::ABS:                        return "abs";
435  case ISD::BITREVERSE:                 return "bitreverse";
436  case ISD::BSWAP:                      return "bswap";
437  case ISD::CTPOP:                      return "ctpop";
438  case ISD::CTTZ:                       return "cttz";
439  case ISD::CTTZ_ZERO_UNDEF:            return "cttz_zero_undef";
440  case ISD::CTLZ:                       return "ctlz";
441  case ISD::CTLZ_ZERO_UNDEF:            return "ctlz_zero_undef";
442  case ISD::PARITY:                     return "parity";
443
444  // Trampolines
445  case ISD::INIT_TRAMPOLINE:            return "init_trampoline";
446  case ISD::ADJUST_TRAMPOLINE:          return "adjust_trampoline";
447
448  case ISD::CONDCODE:
449    switch (cast<CondCodeSDNode>(this)->get()) {
450    default: llvm_unreachable("Unknown setcc condition!");
451    case ISD::SETOEQ:                   return "setoeq";
452    case ISD::SETOGT:                   return "setogt";
453    case ISD::SETOGE:                   return "setoge";
454    case ISD::SETOLT:                   return "setolt";
455    case ISD::SETOLE:                   return "setole";
456    case ISD::SETONE:                   return "setone";
457
458    case ISD::SETO:                     return "seto";
459    case ISD::SETUO:                    return "setuo";
460    case ISD::SETUEQ:                   return "setueq";
461    case ISD::SETUGT:                   return "setugt";
462    case ISD::SETUGE:                   return "setuge";
463    case ISD::SETULT:                   return "setult";
464    case ISD::SETULE:                   return "setule";
465    case ISD::SETUNE:                   return "setune";
466
467    case ISD::SETEQ:                    return "seteq";
468    case ISD::SETGT:                    return "setgt";
469    case ISD::SETGE:                    return "setge";
470    case ISD::SETLT:                    return "setlt";
471    case ISD::SETLE:                    return "setle";
472    case ISD::SETNE:                    return "setne";
473
474    case ISD::SETTRUE:                  return "settrue";
475    case ISD::SETTRUE2:                 return "settrue2";
476    case ISD::SETFALSE:                 return "setfalse";
477    case ISD::SETFALSE2:                return "setfalse2";
478    }
479  case ISD::VECREDUCE_FADD:             return "vecreduce_fadd";
480  case ISD::VECREDUCE_SEQ_FADD:         return "vecreduce_seq_fadd";
481  case ISD::VECREDUCE_FMUL:             return "vecreduce_fmul";
482  case ISD::VECREDUCE_SEQ_FMUL:         return "vecreduce_seq_fmul";
483  case ISD::VECREDUCE_ADD:              return "vecreduce_add";
484  case ISD::VECREDUCE_MUL:              return "vecreduce_mul";
485  case ISD::VECREDUCE_AND:              return "vecreduce_and";
486  case ISD::VECREDUCE_OR:               return "vecreduce_or";
487  case ISD::VECREDUCE_XOR:              return "vecreduce_xor";
488  case ISD::VECREDUCE_SMAX:             return "vecreduce_smax";
489  case ISD::VECREDUCE_SMIN:             return "vecreduce_smin";
490  case ISD::VECREDUCE_UMAX:             return "vecreduce_umax";
491  case ISD::VECREDUCE_UMIN:             return "vecreduce_umin";
492  case ISD::VECREDUCE_FMAX:             return "vecreduce_fmax";
493  case ISD::VECREDUCE_FMIN:             return "vecreduce_fmin";
494  case ISD::STACKMAP:
495    return "stackmap";
496  case ISD::PATCHPOINT:
497    return "patchpoint";
498
499    // Vector Predication
500#define BEGIN_REGISTER_VP_SDNODE(SDID, LEGALARG, NAME, ...)                    \
501  case ISD::SDID:                                                              \
502    return #NAME;
503#include "llvm/IR/VPIntrinsics.def"
504  }
505}
506
507const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
508  switch (AM) {
509  default:              return "";
510  case ISD::PRE_INC:    return "<pre-inc>";
511  case ISD::PRE_DEC:    return "<pre-dec>";
512  case ISD::POST_INC:   return "<post-inc>";
513  case ISD::POST_DEC:   return "<post-dec>";
514  }
515}
516
517static Printable PrintNodeId(const SDNode &Node) {
518  return Printable([&Node](raw_ostream &OS) {
519#ifndef NDEBUG
520    OS << 't' << Node.PersistentId;
521#else
522    OS << (const void*)&Node;
523#endif
524  });
525}
526
527// Print the MMO with more information from the SelectionDAG.
528static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
529                            const MachineFunction *MF, const Module *M,
530                            const MachineFrameInfo *MFI,
531                            const TargetInstrInfo *TII, LLVMContext &Ctx) {
532  ModuleSlotTracker MST(M);
533  if (MF)
534    MST.incorporateFunction(MF->getFunction());
535  SmallVector<StringRef, 0> SSNs;
536  MMO.print(OS, MST, SSNs, Ctx, MFI, TII);
537}
538
539static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
540                            const SelectionDAG *G) {
541  if (G) {
542    const MachineFunction *MF = &G->getMachineFunction();
543    return printMemOperand(OS, MMO, MF, MF->getFunction().getParent(),
544                           &MF->getFrameInfo(),
545                           G->getSubtarget().getInstrInfo(), *G->getContext());
546  }
547
548  LLVMContext Ctx;
549  return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr,
550                         /*MFI=*/nullptr, /*TII=*/nullptr, Ctx);
551}
552
553#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
554LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); }
555
556LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const {
557  print(dbgs(), G);
558  dbgs() << '\n';
559}
560#endif
561
562void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
563  for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
564    if (i) OS << ",";
565    if (getValueType(i) == MVT::Other)
566      OS << "ch";
567    else
568      OS << getValueType(i).getEVTString();
569  }
570}
571
572void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
573  if (getFlags().hasNoUnsignedWrap())
574    OS << " nuw";
575
576  if (getFlags().hasNoSignedWrap())
577    OS << " nsw";
578
579  if (getFlags().hasExact())
580    OS << " exact";
581
582  if (getFlags().hasNoNaNs())
583    OS << " nnan";
584
585  if (getFlags().hasNoInfs())
586    OS << " ninf";
587
588  if (getFlags().hasNoSignedZeros())
589    OS << " nsz";
590
591  if (getFlags().hasAllowReciprocal())
592    OS << " arcp";
593
594  if (getFlags().hasAllowContract())
595    OS << " contract";
596
597  if (getFlags().hasApproximateFuncs())
598    OS << " afn";
599
600  if (getFlags().hasAllowReassociation())
601    OS << " reassoc";
602
603  if (getFlags().hasNoFPExcept())
604    OS << " nofpexcept";
605
606  if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
607    if (!MN->memoperands_empty()) {
608      OS << "<";
609      OS << "Mem:";
610      for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
611           e = MN->memoperands_end(); i != e; ++i) {
612        printMemOperand(OS, **i, G);
613        if (std::next(i) != e)
614          OS << " ";
615      }
616      OS << ">";
617    }
618  } else if (const ShuffleVectorSDNode *SVN =
619               dyn_cast<ShuffleVectorSDNode>(this)) {
620    OS << "<";
621    for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
622      int Idx = SVN->getMaskElt(i);
623      if (i) OS << ",";
624      if (Idx < 0)
625        OS << "u";
626      else
627        OS << Idx;
628    }
629    OS << ">";
630  } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
631    OS << '<' << CSDN->getAPIntValue() << '>';
632  } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
633    if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle())
634      OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
635    else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble())
636      OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
637    else {
638      OS << "<APFloat(";
639      CSDN->getValueAPF().bitcastToAPInt().print(OS, false);
640      OS << ")>";
641    }
642  } else if (const GlobalAddressSDNode *GADN =
643             dyn_cast<GlobalAddressSDNode>(this)) {
644    int64_t offset = GADN->getOffset();
645    OS << '<';
646    GADN->getGlobal()->printAsOperand(OS);
647    OS << '>';
648    if (offset > 0)
649      OS << " + " << offset;
650    else
651      OS << " " << offset;
652    if (unsigned int TF = GADN->getTargetFlags())
653      OS << " [TF=" << TF << ']';
654  } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
655    OS << "<" << FIDN->getIndex() << ">";
656  } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
657    OS << "<" << JTDN->getIndex() << ">";
658    if (unsigned int TF = JTDN->getTargetFlags())
659      OS << " [TF=" << TF << ']';
660  } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
661    int offset = CP->getOffset();
662    if (CP->isMachineConstantPoolEntry())
663      OS << "<" << *CP->getMachineCPVal() << ">";
664    else
665      OS << "<" << *CP->getConstVal() << ">";
666    if (offset > 0)
667      OS << " + " << offset;
668    else
669      OS << " " << offset;
670    if (unsigned int TF = CP->getTargetFlags())
671      OS << " [TF=" << TF << ']';
672  } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
673    OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
674    if (unsigned TF = TI->getTargetFlags())
675      OS << " [TF=" << TF << ']';
676  } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
677    OS << "<";
678    const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
679    if (LBB)
680      OS << LBB->getName() << " ";
681    OS << (const void*)BBDN->getBasicBlock() << ">";
682  } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
683    OS << ' ' << printReg(R->getReg(),
684                          G ? G->getSubtarget().getRegisterInfo() : nullptr);
685  } else if (const ExternalSymbolSDNode *ES =
686             dyn_cast<ExternalSymbolSDNode>(this)) {
687    OS << "'" << ES->getSymbol() << "'";
688    if (unsigned int TF = ES->getTargetFlags())
689      OS << " [TF=" << TF << ']';
690  } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
691    if (M->getValue())
692      OS << "<" << M->getValue() << ">";
693    else
694      OS << "<null>";
695  } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
696    if (MD->getMD())
697      OS << "<" << MD->getMD() << ">";
698    else
699      OS << "<null>";
700  } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
701    OS << ":" << N->getVT().getEVTString();
702  }
703  else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
704    OS << "<";
705
706    printMemOperand(OS, *LD->getMemOperand(), G);
707
708    bool doExt = true;
709    switch (LD->getExtensionType()) {
710    default: doExt = false; break;
711    case ISD::EXTLOAD:  OS << ", anyext"; break;
712    case ISD::SEXTLOAD: OS << ", sext"; break;
713    case ISD::ZEXTLOAD: OS << ", zext"; break;
714    }
715    if (doExt)
716      OS << " from " << LD->getMemoryVT().getEVTString();
717
718    const char *AM = getIndexedModeName(LD->getAddressingMode());
719    if (*AM)
720      OS << ", " << AM;
721
722    OS << ">";
723  } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
724    OS << "<";
725    printMemOperand(OS, *ST->getMemOperand(), G);
726
727    if (ST->isTruncatingStore())
728      OS << ", trunc to " << ST->getMemoryVT().getEVTString();
729
730    const char *AM = getIndexedModeName(ST->getAddressingMode());
731    if (*AM)
732      OS << ", " << AM;
733
734    OS << ">";
735  } else if (const MaskedLoadSDNode *MLd = dyn_cast<MaskedLoadSDNode>(this)) {
736    OS << "<";
737
738    printMemOperand(OS, *MLd->getMemOperand(), G);
739
740    bool doExt = true;
741    switch (MLd->getExtensionType()) {
742    default: doExt = false; break;
743    case ISD::EXTLOAD:  OS << ", anyext"; break;
744    case ISD::SEXTLOAD: OS << ", sext"; break;
745    case ISD::ZEXTLOAD: OS << ", zext"; break;
746    }
747    if (doExt)
748      OS << " from " << MLd->getMemoryVT().getEVTString();
749
750    const char *AM = getIndexedModeName(MLd->getAddressingMode());
751    if (*AM)
752      OS << ", " << AM;
753
754    if (MLd->isExpandingLoad())
755      OS << ", expanding";
756
757    OS << ">";
758  } else if (const MaskedStoreSDNode *MSt = dyn_cast<MaskedStoreSDNode>(this)) {
759    OS << "<";
760    printMemOperand(OS, *MSt->getMemOperand(), G);
761
762    if (MSt->isTruncatingStore())
763      OS << ", trunc to " << MSt->getMemoryVT().getEVTString();
764
765    const char *AM = getIndexedModeName(MSt->getAddressingMode());
766    if (*AM)
767      OS << ", " << AM;
768
769    if (MSt->isCompressingStore())
770      OS << ", compressing";
771
772    OS << ">";
773  } else if (const auto *MGather = dyn_cast<MaskedGatherSDNode>(this)) {
774    OS << "<";
775    printMemOperand(OS, *MGather->getMemOperand(), G);
776
777    bool doExt = true;
778    switch (MGather->getExtensionType()) {
779    default: doExt = false; break;
780    case ISD::EXTLOAD:  OS << ", anyext"; break;
781    case ISD::SEXTLOAD: OS << ", sext"; break;
782    case ISD::ZEXTLOAD: OS << ", zext"; break;
783    }
784    if (doExt)
785      OS << " from " << MGather->getMemoryVT().getEVTString();
786
787    auto Signed = MGather->isIndexSigned() ? "signed" : "unsigned";
788    auto Scaled = MGather->isIndexScaled() ? "scaled" : "unscaled";
789    OS << ", " << Signed << " " << Scaled << " offset";
790
791    OS << ">";
792  } else if (const auto *MScatter = dyn_cast<MaskedScatterSDNode>(this)) {
793    OS << "<";
794    printMemOperand(OS, *MScatter->getMemOperand(), G);
795
796    if (MScatter->isTruncatingStore())
797      OS << ", trunc to " << MScatter->getMemoryVT().getEVTString();
798
799    auto Signed = MScatter->isIndexSigned() ? "signed" : "unsigned";
800    auto Scaled = MScatter->isIndexScaled() ? "scaled" : "unscaled";
801    OS << ", " << Signed << " " << Scaled << " offset";
802
803    OS << ">";
804  } else if (const MemSDNode *M = dyn_cast<MemSDNode>(this)) {
805    OS << "<";
806    printMemOperand(OS, *M->getMemOperand(), G);
807    OS << ">";
808  } else if (const BlockAddressSDNode *BA =
809               dyn_cast<BlockAddressSDNode>(this)) {
810    int64_t offset = BA->getOffset();
811    OS << "<";
812    BA->getBlockAddress()->getFunction()->printAsOperand(OS, false);
813    OS << ", ";
814    BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false);
815    OS << ">";
816    if (offset > 0)
817      OS << " + " << offset;
818    else
819      OS << " " << offset;
820    if (unsigned int TF = BA->getTargetFlags())
821      OS << " [TF=" << TF << ']';
822  } else if (const AddrSpaceCastSDNode *ASC =
823               dyn_cast<AddrSpaceCastSDNode>(this)) {
824    OS << '['
825       << ASC->getSrcAddressSpace()
826       << " -> "
827       << ASC->getDestAddressSpace()
828       << ']';
829  } else if (const LifetimeSDNode *LN = dyn_cast<LifetimeSDNode>(this)) {
830    if (LN->hasOffset())
831      OS << "<" << LN->getOffset() << " to " << LN->getOffset() + LN->getSize() << ">";
832  } else if (const auto *AA = dyn_cast<AssertAlignSDNode>(this)) {
833    OS << '<' << AA->getAlign().value() << '>';
834  }
835
836  if (VerboseDAGDumping) {
837    if (unsigned Order = getIROrder())
838        OS << " [ORD=" << Order << ']';
839
840    if (getNodeId() != -1)
841      OS << " [ID=" << getNodeId() << ']';
842    if (!(isa<ConstantSDNode>(this) || (isa<ConstantFPSDNode>(this))))
843      OS << " # D:" << isDivergent();
844
845    if (G && !G->GetDbgValues(this).empty()) {
846      OS << " [NoOfDbgValues=" << G->GetDbgValues(this).size() << ']';
847      for (SDDbgValue *Dbg : G->GetDbgValues(this))
848        if (!Dbg->isInvalidated())
849          Dbg->print(OS);
850    } else if (getHasDebugValue())
851      OS << " [NoOfDbgValues>0]";
852  }
853}
854
855LLVM_DUMP_METHOD void SDDbgValue::print(raw_ostream &OS) const {
856  OS << " DbgVal(Order=" << getOrder() << ')';
857  if (isInvalidated())
858    OS << "(Invalidated)";
859  if (isEmitted())
860    OS << "(Emitted)";
861  OS << "(";
862  bool Comma = false;
863  for (const SDDbgOperand &Op : getLocationOps()) {
864    if (Comma)
865      OS << ", ";
866    switch (Op.getKind()) {
867    case SDDbgOperand::SDNODE:
868      if (Op.getSDNode())
869        OS << "SDNODE=" << PrintNodeId(*Op.getSDNode()) << ':' << Op.getResNo();
870      else
871        OS << "SDNODE";
872      break;
873    case SDDbgOperand::CONST:
874      OS << "CONST";
875      break;
876    case SDDbgOperand::FRAMEIX:
877      OS << "FRAMEIX=" << Op.getFrameIx();
878      break;
879    case SDDbgOperand::VREG:
880      OS << "VREG=" << Op.getVReg();
881      break;
882    }
883    Comma = true;
884  }
885  OS << ")";
886  if (isIndirect()) OS << "(Indirect)";
887  if (isVariadic())
888    OS << "(Variadic)";
889  OS << ":\"" << Var->getName() << '"';
890#ifndef NDEBUG
891  if (Expr->getNumElements())
892    Expr->dump();
893#endif
894}
895
896#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
897LLVM_DUMP_METHOD void SDDbgValue::dump() const {
898  if (isInvalidated())
899    return;
900  print(dbgs());
901  dbgs() << "\n";
902}
903#endif
904
905/// Return true if this node is so simple that we should just print it inline
906/// if it appears as an operand.
907static bool shouldPrintInline(const SDNode &Node, const SelectionDAG *G) {
908  // Avoid lots of cluttering when inline printing nodes with associated
909  // DbgValues in verbose mode.
910  if (VerboseDAGDumping && G && !G->GetDbgValues(&Node).empty())
911    return false;
912  if (Node.getOpcode() == ISD::EntryToken)
913    return false;
914  return Node.getNumOperands() == 0;
915}
916
917#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
918static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
919  for (const SDValue &Op : N->op_values()) {
920    if (shouldPrintInline(*Op.getNode(), G))
921      continue;
922    if (Op.getNode()->hasOneUse())
923      DumpNodes(Op.getNode(), indent+2, G);
924  }
925
926  dbgs().indent(indent);
927  N->dump(G);
928}
929
930LLVM_DUMP_METHOD void SelectionDAG::dump() const {
931  dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n";
932
933  for (const SDNode &N : allnodes()) {
934    if (!N.hasOneUse() && &N != getRoot().getNode() &&
935        (!shouldPrintInline(N, this) || N.use_empty()))
936      DumpNodes(&N, 2, this);
937  }
938
939  if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
940  dbgs() << "\n";
941
942  if (VerboseDAGDumping) {
943    if (DbgBegin() != DbgEnd())
944      dbgs() << "SDDbgValues:\n";
945    for (auto *Dbg : make_range(DbgBegin(), DbgEnd()))
946      Dbg->dump();
947    if (ByvalParmDbgBegin() != ByvalParmDbgEnd())
948      dbgs() << "Byval SDDbgValues:\n";
949    for (auto *Dbg : make_range(ByvalParmDbgBegin(), ByvalParmDbgEnd()))
950      Dbg->dump();
951  }
952  dbgs() << "\n";
953}
954#endif
955
956void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
957  OS << PrintNodeId(*this) << ": ";
958  print_types(OS, G);
959  OS << " = " << getOperationName(G);
960  print_details(OS, G);
961}
962
963static bool printOperand(raw_ostream &OS, const SelectionDAG *G,
964                         const SDValue Value) {
965  if (!Value.getNode()) {
966    OS << "<null>";
967    return false;
968  }
969
970  if (shouldPrintInline(*Value.getNode(), G)) {
971    OS << Value->getOperationName(G) << ':';
972    Value->print_types(OS, G);
973    Value->print_details(OS, G);
974    return true;
975  }
976
977  OS << PrintNodeId(*Value.getNode());
978  if (unsigned RN = Value.getResNo())
979    OS << ':' << RN;
980  return false;
981}
982
983#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
984using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>;
985
986static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
987                       const SelectionDAG *G, VisitedSDNodeSet &once) {
988  if (!once.insert(N).second) // If we've been here before, return now.
989    return;
990
991  // Dump the current SDNode, but don't end the line yet.
992  OS.indent(indent);
993  N->printr(OS, G);
994
995  // Having printed this SDNode, walk the children:
996  for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
997    if (i) OS << ",";
998    OS << " ";
999
1000    const SDValue Op = N->getOperand(i);
1001    bool printedInline = printOperand(OS, G, Op);
1002    if (printedInline)
1003      once.insert(Op.getNode());
1004  }
1005
1006  OS << "\n";
1007
1008  // Dump children that have grandchildren on their own line(s).
1009  for (const SDValue &Op : N->op_values())
1010    DumpNodesr(OS, Op.getNode(), indent+2, G, once);
1011}
1012
1013LLVM_DUMP_METHOD void SDNode::dumpr() const {
1014  VisitedSDNodeSet once;
1015  DumpNodesr(dbgs(), this, 0, nullptr, once);
1016}
1017
1018LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const {
1019  VisitedSDNodeSet once;
1020  DumpNodesr(dbgs(), this, 0, G, once);
1021}
1022#endif
1023
1024static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
1025                                  const SelectionDAG *G, unsigned depth,
1026                                  unsigned indent) {
1027  if (depth == 0)
1028    return;
1029
1030  OS.indent(indent);
1031
1032  N->print(OS, G);
1033
1034  for (const SDValue &Op : N->op_values()) {
1035    // Don't follow chain operands.
1036    if (Op.getValueType() == MVT::Other)
1037      continue;
1038    OS << '\n';
1039    printrWithDepthHelper(OS, Op.getNode(), G, depth - 1, indent + 2);
1040  }
1041}
1042
1043void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
1044                            unsigned depth) const {
1045  printrWithDepthHelper(OS, this, G, depth, 0);
1046}
1047
1048void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
1049  // Don't print impossibly deep things.
1050  printrWithDepth(OS, G, 10);
1051}
1052
1053#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
1054LLVM_DUMP_METHOD
1055void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
1056  printrWithDepth(dbgs(), G, depth);
1057}
1058
1059LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const {
1060  // Don't print impossibly deep things.
1061  dumprWithDepth(G, 10);
1062}
1063#endif
1064
1065void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
1066  printr(OS, G);
1067  // Under VerboseDAGDumping divergence will be printed always.
1068  if (isDivergent() && !VerboseDAGDumping)
1069    OS << " # D:1";
1070  for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
1071    if (i) OS << ", "; else OS << " ";
1072    printOperand(OS, G, getOperand(i));
1073  }
1074  if (DebugLoc DL = getDebugLoc()) {
1075    OS << ", ";
1076    DL.print(OS);
1077  }
1078}
1079