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/CodeGenTypes/MachineValueType.h"
30#include "llvm/Config/llvm-config.h"
31#include "llvm/IR/BasicBlock.h"
32#include "llvm/IR/Constants.h"
33#include "llvm/IR/DebugInfoMetadata.h"
34#include "llvm/IR/DebugLoc.h"
35#include "llvm/IR/Function.h"
36#include "llvm/IR/Intrinsics.h"
37#include "llvm/IR/ModuleSlotTracker.h"
38#include "llvm/IR/Value.h"
39#include "llvm/Support/Casting.h"
40#include "llvm/Support/CommandLine.h"
41#include "llvm/Support/Compiler.h"
42#include "llvm/Support/Debug.h"
43#include "llvm/Support/ErrorHandling.h"
44#include "llvm/Support/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(Opcode: getMachineOpcode()));
68 return "<<Unknown Machine Node #" + utostr(X: getOpcode()) + ">>";
69 }
70 if (G) {
71 const TargetLowering &TLI = G->getTargetLoweringInfo();
72 const char *Name = TLI.getTargetNodeName(Opcode: getOpcode());
73 if (Name) return Name;
74 return "<<Unknown Target Node #" + utostr(X: getOpcode()) + ">>";
75 }
76 return "<<Unknown Node #" + utostr(X: 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::READSTEADYCOUNTER: return "ReadSteadyCounter";
108 case ISD::SRCVALUE: return "SrcValue";
109 case ISD::MDNODE_SDNODE: return "MDNode";
110 case ISD::EntryToken: return "EntryToken";
111 case ISD::TokenFactor: return "TokenFactor";
112 case ISD::AssertSext: return "AssertSext";
113 case ISD::AssertZext: return "AssertZext";
114 case ISD::AssertAlign: return "AssertAlign";
115
116 case ISD::BasicBlock: return "BasicBlock";
117 case ISD::VALUETYPE: return "ValueType";
118 case ISD::Register: return "Register";
119 case ISD::RegisterMask: return "RegisterMask";
120 case ISD::Constant:
121 if (cast<ConstantSDNode>(Val: this)->isOpaque())
122 return "OpaqueConstant";
123 return "Constant";
124 case ISD::ConstantFP: return "ConstantFP";
125 case ISD::GlobalAddress: return "GlobalAddress";
126 case ISD::GlobalTLSAddress: return "GlobalTLSAddress";
127 case ISD::FrameIndex: return "FrameIndex";
128 case ISD::JumpTable: return "JumpTable";
129 case ISD::JUMP_TABLE_DEBUG_INFO:
130 return "JUMP_TABLE_DEBUG_INFO";
131 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE";
132 case ISD::RETURNADDR: return "RETURNADDR";
133 case ISD::ADDROFRETURNADDR: return "ADDROFRETURNADDR";
134 case ISD::FRAMEADDR: return "FRAMEADDR";
135 case ISD::SPONENTRY: return "SPONENTRY";
136 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER";
137 case ISD::READ_REGISTER: return "READ_REGISTER";
138 case ISD::WRITE_REGISTER: return "WRITE_REGISTER";
139 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET";
140 case ISD::EH_DWARF_CFA: return "EH_DWARF_CFA";
141 case ISD::EH_RETURN: return "EH_RETURN";
142 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP";
143 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP";
144 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH";
145 case ISD::ConstantPool: return "ConstantPool";
146 case ISD::TargetIndex: return "TargetIndex";
147 case ISD::ExternalSymbol: return "ExternalSymbol";
148 case ISD::BlockAddress: return "BlockAddress";
149 case ISD::INTRINSIC_WO_CHAIN:
150 case ISD::INTRINSIC_VOID:
151 case ISD::INTRINSIC_W_CHAIN: {
152 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
153 unsigned IID = getOperand(Num: OpNo)->getAsZExtVal();
154 if (IID < Intrinsic::num_intrinsics)
155 return Intrinsic::getBaseName(id: (Intrinsic::ID)IID).str();
156 if (!G)
157 return "Unknown intrinsic";
158 if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
159 return TII->getName(IID);
160 llvm_unreachable("Invalid intrinsic ID");
161 }
162
163 case ISD::BUILD_VECTOR: return "BUILD_VECTOR";
164 case ISD::TargetConstant:
165 if (cast<ConstantSDNode>(Val: this)->isOpaque())
166 return "OpaqueTargetConstant";
167 return "TargetConstant";
168 case ISD::TargetConstantFP: return "TargetConstantFP";
169 case ISD::TargetGlobalAddress: return "TargetGlobalAddress";
170 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress";
171 case ISD::TargetFrameIndex: return "TargetFrameIndex";
172 case ISD::TargetJumpTable: return "TargetJumpTable";
173 case ISD::TargetConstantPool: return "TargetConstantPool";
174 case ISD::TargetExternalSymbol: return "TargetExternalSymbol";
175 case ISD::MCSymbol: return "MCSymbol";
176 case ISD::TargetBlockAddress: return "TargetBlockAddress";
177
178 case ISD::CopyToReg: return "CopyToReg";
179 case ISD::CopyFromReg: return "CopyFromReg";
180 case ISD::UNDEF: return "undef";
181 case ISD::VSCALE: return "vscale";
182 case ISD::MERGE_VALUES: return "merge_values";
183 case ISD::INLINEASM: return "inlineasm";
184 case ISD::INLINEASM_BR: return "inlineasm_br";
185 case ISD::EH_LABEL: return "eh_label";
186 case ISD::ANNOTATION_LABEL: return "annotation_label";
187 case ISD::HANDLENODE: return "handlenode";
188
189 // Unary operators
190 case ISD::FABS: return "fabs";
191 case ISD::FMINNUM: return "fminnum";
192 case ISD::STRICT_FMINNUM: return "strict_fminnum";
193 case ISD::FMAXNUM: return "fmaxnum";
194 case ISD::STRICT_FMAXNUM: return "strict_fmaxnum";
195 case ISD::FMINNUM_IEEE: return "fminnum_ieee";
196 case ISD::FMAXNUM_IEEE: return "fmaxnum_ieee";
197 case ISD::FMINIMUM: return "fminimum";
198 case ISD::STRICT_FMINIMUM: return "strict_fminimum";
199 case ISD::FMAXIMUM: return "fmaximum";
200 case ISD::STRICT_FMAXIMUM: return "strict_fmaximum";
201 case ISD::FNEG: return "fneg";
202 case ISD::FSQRT: return "fsqrt";
203 case ISD::STRICT_FSQRT: return "strict_fsqrt";
204 case ISD::FCBRT: return "fcbrt";
205 case ISD::FSIN: return "fsin";
206 case ISD::STRICT_FSIN: return "strict_fsin";
207 case ISD::FCOS: return "fcos";
208 case ISD::STRICT_FCOS: return "strict_fcos";
209 case ISD::FSINCOS: return "fsincos";
210 case ISD::FTRUNC: return "ftrunc";
211 case ISD::STRICT_FTRUNC: return "strict_ftrunc";
212 case ISD::FFLOOR: return "ffloor";
213 case ISD::STRICT_FFLOOR: return "strict_ffloor";
214 case ISD::FCEIL: return "fceil";
215 case ISD::STRICT_FCEIL: return "strict_fceil";
216 case ISD::FRINT: return "frint";
217 case ISD::STRICT_FRINT: return "strict_frint";
218 case ISD::FNEARBYINT: return "fnearbyint";
219 case ISD::STRICT_FNEARBYINT: return "strict_fnearbyint";
220 case ISD::FROUND: return "fround";
221 case ISD::STRICT_FROUND: return "strict_fround";
222 case ISD::FROUNDEVEN: return "froundeven";
223 case ISD::STRICT_FROUNDEVEN: return "strict_froundeven";
224 case ISD::FEXP: return "fexp";
225 case ISD::STRICT_FEXP: return "strict_fexp";
226 case ISD::FEXP2: return "fexp2";
227 case ISD::STRICT_FEXP2: return "strict_fexp2";
228 case ISD::FEXP10: return "fexp10";
229 case ISD::FLOG: return "flog";
230 case ISD::STRICT_FLOG: return "strict_flog";
231 case ISD::FLOG2: return "flog2";
232 case ISD::STRICT_FLOG2: return "strict_flog2";
233 case ISD::FLOG10: return "flog10";
234 case ISD::STRICT_FLOG10: return "strict_flog10";
235
236 // Binary operators
237 case ISD::ADD: return "add";
238 case ISD::SUB: return "sub";
239 case ISD::MUL: return "mul";
240 case ISD::MULHU: return "mulhu";
241 case ISD::MULHS: return "mulhs";
242 case ISD::AVGFLOORU: return "avgflooru";
243 case ISD::AVGFLOORS: return "avgfloors";
244 case ISD::AVGCEILU: return "avgceilu";
245 case ISD::AVGCEILS: return "avgceils";
246 case ISD::ABDS: return "abds";
247 case ISD::ABDU: return "abdu";
248 case ISD::SDIV: return "sdiv";
249 case ISD::UDIV: return "udiv";
250 case ISD::SREM: return "srem";
251 case ISD::UREM: return "urem";
252 case ISD::SMUL_LOHI: return "smul_lohi";
253 case ISD::UMUL_LOHI: return "umul_lohi";
254 case ISD::SDIVREM: return "sdivrem";
255 case ISD::UDIVREM: return "udivrem";
256 case ISD::AND: return "and";
257 case ISD::OR: return "or";
258 case ISD::XOR: return "xor";
259 case ISD::SHL: return "shl";
260 case ISD::SRA: return "sra";
261 case ISD::SRL: return "srl";
262 case ISD::ROTL: return "rotl";
263 case ISD::ROTR: return "rotr";
264 case ISD::FSHL: return "fshl";
265 case ISD::FSHR: return "fshr";
266 case ISD::FADD: return "fadd";
267 case ISD::STRICT_FADD: return "strict_fadd";
268 case ISD::FSUB: return "fsub";
269 case ISD::STRICT_FSUB: return "strict_fsub";
270 case ISD::FMUL: return "fmul";
271 case ISD::STRICT_FMUL: return "strict_fmul";
272 case ISD::FDIV: return "fdiv";
273 case ISD::STRICT_FDIV: return "strict_fdiv";
274 case ISD::FMA: return "fma";
275 case ISD::STRICT_FMA: return "strict_fma";
276 case ISD::FMAD: return "fmad";
277 case ISD::FREM: return "frem";
278 case ISD::STRICT_FREM: return "strict_frem";
279 case ISD::FCOPYSIGN: return "fcopysign";
280 case ISD::FGETSIGN: return "fgetsign";
281 case ISD::FCANONICALIZE: return "fcanonicalize";
282 case ISD::IS_FPCLASS: return "is_fpclass";
283 case ISD::FPOW: return "fpow";
284 case ISD::STRICT_FPOW: return "strict_fpow";
285 case ISD::SMIN: return "smin";
286 case ISD::SMAX: return "smax";
287 case ISD::UMIN: return "umin";
288 case ISD::UMAX: return "umax";
289
290 case ISD::FLDEXP: return "fldexp";
291 case ISD::STRICT_FLDEXP: return "strict_fldexp";
292 case ISD::FFREXP: return "ffrexp";
293 case ISD::FPOWI: return "fpowi";
294 case ISD::STRICT_FPOWI: return "strict_fpowi";
295 case ISD::SETCC: return "setcc";
296 case ISD::SETCCCARRY: return "setcccarry";
297 case ISD::STRICT_FSETCC: return "strict_fsetcc";
298 case ISD::STRICT_FSETCCS: return "strict_fsetccs";
299 case ISD::SELECT: return "select";
300 case ISD::VSELECT: return "vselect";
301 case ISD::SELECT_CC: return "select_cc";
302 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt";
303 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt";
304 case ISD::CONCAT_VECTORS: return "concat_vectors";
305 case ISD::INSERT_SUBVECTOR: return "insert_subvector";
306 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector";
307 case ISD::VECTOR_DEINTERLEAVE: return "vector_deinterleave";
308 case ISD::VECTOR_INTERLEAVE: return "vector_interleave";
309 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector";
310 case ISD::VECTOR_SHUFFLE: return "vector_shuffle";
311 case ISD::VECTOR_SPLICE: return "vector_splice";
312 case ISD::SPLAT_VECTOR: return "splat_vector";
313 case ISD::SPLAT_VECTOR_PARTS: return "splat_vector_parts";
314 case ISD::VECTOR_REVERSE: return "vector_reverse";
315 case ISD::STEP_VECTOR: return "step_vector";
316 case ISD::CARRY_FALSE: return "carry_false";
317 case ISD::ADDC: return "addc";
318 case ISD::ADDE: return "adde";
319 case ISD::UADDO_CARRY: return "uaddo_carry";
320 case ISD::SADDO_CARRY: return "saddo_carry";
321 case ISD::SADDO: return "saddo";
322 case ISD::UADDO: return "uaddo";
323 case ISD::SSUBO: return "ssubo";
324 case ISD::USUBO: return "usubo";
325 case ISD::SMULO: return "smulo";
326 case ISD::UMULO: return "umulo";
327 case ISD::SUBC: return "subc";
328 case ISD::SUBE: return "sube";
329 case ISD::USUBO_CARRY: return "usubo_carry";
330 case ISD::SSUBO_CARRY: return "ssubo_carry";
331 case ISD::SHL_PARTS: return "shl_parts";
332 case ISD::SRA_PARTS: return "sra_parts";
333 case ISD::SRL_PARTS: return "srl_parts";
334
335 case ISD::SADDSAT: return "saddsat";
336 case ISD::UADDSAT: return "uaddsat";
337 case ISD::SSUBSAT: return "ssubsat";
338 case ISD::USUBSAT: return "usubsat";
339 case ISD::SSHLSAT: return "sshlsat";
340 case ISD::USHLSAT: return "ushlsat";
341
342 case ISD::SMULFIX: return "smulfix";
343 case ISD::SMULFIXSAT: return "smulfixsat";
344 case ISD::UMULFIX: return "umulfix";
345 case ISD::UMULFIXSAT: return "umulfixsat";
346
347 case ISD::SDIVFIX: return "sdivfix";
348 case ISD::SDIVFIXSAT: return "sdivfixsat";
349 case ISD::UDIVFIX: return "udivfix";
350 case ISD::UDIVFIXSAT: return "udivfixsat";
351
352 // Conversion operators.
353 case ISD::SIGN_EXTEND: return "sign_extend";
354 case ISD::ZERO_EXTEND: return "zero_extend";
355 case ISD::ANY_EXTEND: return "any_extend";
356 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg";
357 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg";
358 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg";
359 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg";
360 case ISD::TRUNCATE: return "truncate";
361 case ISD::FP_ROUND: return "fp_round";
362 case ISD::STRICT_FP_ROUND: return "strict_fp_round";
363 case ISD::FP_EXTEND: return "fp_extend";
364 case ISD::STRICT_FP_EXTEND: return "strict_fp_extend";
365
366 case ISD::SINT_TO_FP: return "sint_to_fp";
367 case ISD::STRICT_SINT_TO_FP: return "strict_sint_to_fp";
368 case ISD::UINT_TO_FP: return "uint_to_fp";
369 case ISD::STRICT_UINT_TO_FP: return "strict_uint_to_fp";
370 case ISD::FP_TO_SINT: return "fp_to_sint";
371 case ISD::STRICT_FP_TO_SINT: return "strict_fp_to_sint";
372 case ISD::FP_TO_UINT: return "fp_to_uint";
373 case ISD::STRICT_FP_TO_UINT: return "strict_fp_to_uint";
374 case ISD::FP_TO_SINT_SAT: return "fp_to_sint_sat";
375 case ISD::FP_TO_UINT_SAT: return "fp_to_uint_sat";
376 case ISD::BITCAST: return "bitcast";
377 case ISD::ADDRSPACECAST: return "addrspacecast";
378 case ISD::FP16_TO_FP: return "fp16_to_fp";
379 case ISD::STRICT_FP16_TO_FP: return "strict_fp16_to_fp";
380 case ISD::FP_TO_FP16: return "fp_to_fp16";
381 case ISD::STRICT_FP_TO_FP16: return "strict_fp_to_fp16";
382 case ISD::BF16_TO_FP: return "bf16_to_fp";
383 case ISD::FP_TO_BF16: return "fp_to_bf16";
384 case ISD::LROUND: return "lround";
385 case ISD::STRICT_LROUND: return "strict_lround";
386 case ISD::LLROUND: return "llround";
387 case ISD::STRICT_LLROUND: return "strict_llround";
388 case ISD::LRINT: return "lrint";
389 case ISD::STRICT_LRINT: return "strict_lrint";
390 case ISD::LLRINT: return "llrint";
391 case ISD::STRICT_LLRINT: return "strict_llrint";
392
393 // Control flow instructions
394 case ISD::BR: return "br";
395 case ISD::BRIND: return "brind";
396 case ISD::BR_JT: return "br_jt";
397 case ISD::BRCOND: return "brcond";
398 case ISD::BR_CC: return "br_cc";
399 case ISD::CALLSEQ_START: return "callseq_start";
400 case ISD::CALLSEQ_END: return "callseq_end";
401
402 // EH instructions
403 case ISD::CATCHRET: return "catchret";
404 case ISD::CLEANUPRET: return "cleanupret";
405
406 // Other operators
407 case ISD::LOAD: return "load";
408 case ISD::STORE: return "store";
409 case ISD::MLOAD: return "masked_load";
410 case ISD::MSTORE: return "masked_store";
411 case ISD::MGATHER: return "masked_gather";
412 case ISD::MSCATTER: return "masked_scatter";
413 case ISD::VAARG: return "vaarg";
414 case ISD::VACOPY: return "vacopy";
415 case ISD::VAEND: return "vaend";
416 case ISD::VASTART: return "vastart";
417 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc";
418 case ISD::EXTRACT_ELEMENT: return "extract_element";
419 case ISD::BUILD_PAIR: return "build_pair";
420 case ISD::STACKSAVE: return "stacksave";
421 case ISD::STACKRESTORE: return "stackrestore";
422 case ISD::TRAP: return "trap";
423 case ISD::DEBUGTRAP: return "debugtrap";
424 case ISD::UBSANTRAP: return "ubsantrap";
425 case ISD::LIFETIME_START: return "lifetime.start";
426 case ISD::LIFETIME_END: return "lifetime.end";
427 case ISD::PSEUDO_PROBE:
428 return "pseudoprobe";
429 case ISD::GC_TRANSITION_START: return "gc_transition.start";
430 case ISD::GC_TRANSITION_END: return "gc_transition.end";
431 case ISD::GET_DYNAMIC_AREA_OFFSET: return "get.dynamic.area.offset";
432 case ISD::FREEZE: return "freeze";
433 case ISD::PREALLOCATED_SETUP:
434 return "call_setup";
435 case ISD::PREALLOCATED_ARG:
436 return "call_alloc";
437
438 // Floating point environment manipulation
439 case ISD::GET_ROUNDING: return "get_rounding";
440 case ISD::SET_ROUNDING: return "set_rounding";
441 case ISD::GET_FPENV: return "get_fpenv";
442 case ISD::SET_FPENV: return "set_fpenv";
443 case ISD::RESET_FPENV: return "reset_fpenv";
444 case ISD::GET_FPENV_MEM: return "get_fpenv_mem";
445 case ISD::SET_FPENV_MEM: return "set_fpenv_mem";
446 case ISD::GET_FPMODE: return "get_fpmode";
447 case ISD::SET_FPMODE: return "set_fpmode";
448 case ISD::RESET_FPMODE: return "reset_fpmode";
449
450 // Bit manipulation
451 case ISD::ABS: return "abs";
452 case ISD::BITREVERSE: return "bitreverse";
453 case ISD::BSWAP: return "bswap";
454 case ISD::CTPOP: return "ctpop";
455 case ISD::CTTZ: return "cttz";
456 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef";
457 case ISD::CTLZ: return "ctlz";
458 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef";
459 case ISD::PARITY: return "parity";
460
461 // Trampolines
462 case ISD::INIT_TRAMPOLINE: return "init_trampoline";
463 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline";
464
465 case ISD::CONDCODE:
466 switch (cast<CondCodeSDNode>(Val: this)->get()) {
467 default: llvm_unreachable("Unknown setcc condition!");
468 case ISD::SETOEQ: return "setoeq";
469 case ISD::SETOGT: return "setogt";
470 case ISD::SETOGE: return "setoge";
471 case ISD::SETOLT: return "setolt";
472 case ISD::SETOLE: return "setole";
473 case ISD::SETONE: return "setone";
474
475 case ISD::SETO: return "seto";
476 case ISD::SETUO: return "setuo";
477 case ISD::SETUEQ: return "setueq";
478 case ISD::SETUGT: return "setugt";
479 case ISD::SETUGE: return "setuge";
480 case ISD::SETULT: return "setult";
481 case ISD::SETULE: return "setule";
482 case ISD::SETUNE: return "setune";
483
484 case ISD::SETEQ: return "seteq";
485 case ISD::SETGT: return "setgt";
486 case ISD::SETGE: return "setge";
487 case ISD::SETLT: return "setlt";
488 case ISD::SETLE: return "setle";
489 case ISD::SETNE: return "setne";
490
491 case ISD::SETTRUE: return "settrue";
492 case ISD::SETTRUE2: return "settrue2";
493 case ISD::SETFALSE: return "setfalse";
494 case ISD::SETFALSE2: return "setfalse2";
495 }
496 case ISD::VECREDUCE_FADD: return "vecreduce_fadd";
497 case ISD::VECREDUCE_SEQ_FADD: return "vecreduce_seq_fadd";
498 case ISD::VECREDUCE_FMUL: return "vecreduce_fmul";
499 case ISD::VECREDUCE_SEQ_FMUL: return "vecreduce_seq_fmul";
500 case ISD::VECREDUCE_ADD: return "vecreduce_add";
501 case ISD::VECREDUCE_MUL: return "vecreduce_mul";
502 case ISD::VECREDUCE_AND: return "vecreduce_and";
503 case ISD::VECREDUCE_OR: return "vecreduce_or";
504 case ISD::VECREDUCE_XOR: return "vecreduce_xor";
505 case ISD::VECREDUCE_SMAX: return "vecreduce_smax";
506 case ISD::VECREDUCE_SMIN: return "vecreduce_smin";
507 case ISD::VECREDUCE_UMAX: return "vecreduce_umax";
508 case ISD::VECREDUCE_UMIN: return "vecreduce_umin";
509 case ISD::VECREDUCE_FMAX: return "vecreduce_fmax";
510 case ISD::VECREDUCE_FMIN: return "vecreduce_fmin";
511 case ISD::VECREDUCE_FMAXIMUM: return "vecreduce_fmaximum";
512 case ISD::VECREDUCE_FMINIMUM: return "vecreduce_fminimum";
513 case ISD::STACKMAP:
514 return "stackmap";
515 case ISD::PATCHPOINT:
516 return "patchpoint";
517
518 // Vector Predication
519#define BEGIN_REGISTER_VP_SDNODE(SDID, LEGALARG, NAME, ...) \
520 case ISD::SDID: \
521 return #NAME;
522#include "llvm/IR/VPIntrinsics.def"
523 }
524}
525
526const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
527 switch (AM) {
528 default: return "";
529 case ISD::PRE_INC: return "<pre-inc>";
530 case ISD::PRE_DEC: return "<pre-dec>";
531 case ISD::POST_INC: return "<post-inc>";
532 case ISD::POST_DEC: return "<post-dec>";
533 }
534}
535
536static Printable PrintNodeId(const SDNode &Node) {
537 return Printable([&Node](raw_ostream &OS) {
538#ifndef NDEBUG
539 OS << 't' << Node.PersistentId;
540#else
541 OS << (const void*)&Node;
542#endif
543 });
544}
545
546// Print the MMO with more information from the SelectionDAG.
547static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
548 const MachineFunction *MF, const Module *M,
549 const MachineFrameInfo *MFI,
550 const TargetInstrInfo *TII, LLVMContext &Ctx) {
551 ModuleSlotTracker MST(M);
552 if (MF)
553 MST.incorporateFunction(F: MF->getFunction());
554 SmallVector<StringRef, 0> SSNs;
555 MMO.print(OS, MST, SSNs, Context: Ctx, MFI, TII);
556}
557
558static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
559 const SelectionDAG *G) {
560 if (G) {
561 const MachineFunction *MF = &G->getMachineFunction();
562 return printMemOperand(OS, MMO, MF, M: MF->getFunction().getParent(),
563 MFI: &MF->getFrameInfo(),
564 TII: G->getSubtarget().getInstrInfo(), Ctx&: *G->getContext());
565 }
566
567 LLVMContext Ctx;
568 return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr,
569 /*MFI=*/nullptr, /*TII=*/nullptr, Ctx);
570}
571
572#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
573LLVM_DUMP_METHOD void SDNode::dump() const { dump(G: nullptr); }
574
575LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const {
576 print(OS&: dbgs(), G);
577 dbgs() << '\n';
578}
579#endif
580
581void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
582 for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
583 if (i) OS << ",";
584 if (getValueType(ResNo: i) == MVT::Other)
585 OS << "ch";
586 else
587 OS << getValueType(ResNo: i).getEVTString();
588 }
589}
590
591void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
592 if (getFlags().hasNoUnsignedWrap())
593 OS << " nuw";
594
595 if (getFlags().hasNoSignedWrap())
596 OS << " nsw";
597
598 if (getFlags().hasExact())
599 OS << " exact";
600
601 if (getFlags().hasDisjoint())
602 OS << " disjoint";
603
604 if (getFlags().hasNonNeg())
605 OS << " nneg";
606
607 if (getFlags().hasNoNaNs())
608 OS << " nnan";
609
610 if (getFlags().hasNoInfs())
611 OS << " ninf";
612
613 if (getFlags().hasNoSignedZeros())
614 OS << " nsz";
615
616 if (getFlags().hasAllowReciprocal())
617 OS << " arcp";
618
619 if (getFlags().hasAllowContract())
620 OS << " contract";
621
622 if (getFlags().hasApproximateFuncs())
623 OS << " afn";
624
625 if (getFlags().hasAllowReassociation())
626 OS << " reassoc";
627
628 if (getFlags().hasNoFPExcept())
629 OS << " nofpexcept";
630
631 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(Val: this)) {
632 if (!MN->memoperands_empty()) {
633 OS << "<";
634 OS << "Mem:";
635 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
636 e = MN->memoperands_end(); i != e; ++i) {
637 printMemOperand(OS, MMO: **i, G);
638 if (std::next(x: i) != e)
639 OS << " ";
640 }
641 OS << ">";
642 }
643 } else if (const ShuffleVectorSDNode *SVN =
644 dyn_cast<ShuffleVectorSDNode>(Val: this)) {
645 OS << "<";
646 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
647 int Idx = SVN->getMaskElt(Idx: i);
648 if (i) OS << ",";
649 if (Idx < 0)
650 OS << "u";
651 else
652 OS << Idx;
653 }
654 OS << ">";
655 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(Val: this)) {
656 OS << '<' << CSDN->getAPIntValue() << '>';
657 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(Val: this)) {
658 if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle())
659 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
660 else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble())
661 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
662 else {
663 OS << "<APFloat(";
664 CSDN->getValueAPF().bitcastToAPInt().print(OS, isSigned: false);
665 OS << ")>";
666 }
667 } else if (const GlobalAddressSDNode *GADN =
668 dyn_cast<GlobalAddressSDNode>(Val: this)) {
669 int64_t offset = GADN->getOffset();
670 OS << '<';
671 GADN->getGlobal()->printAsOperand(O&: OS);
672 OS << '>';
673 if (offset > 0)
674 OS << " + " << offset;
675 else
676 OS << " " << offset;
677 if (unsigned int TF = GADN->getTargetFlags())
678 OS << " [TF=" << TF << ']';
679 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(Val: this)) {
680 OS << "<" << FIDN->getIndex() << ">";
681 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(Val: this)) {
682 OS << "<" << JTDN->getIndex() << ">";
683 if (unsigned int TF = JTDN->getTargetFlags())
684 OS << " [TF=" << TF << ']';
685 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(Val: this)){
686 int offset = CP->getOffset();
687 if (CP->isMachineConstantPoolEntry())
688 OS << "<" << *CP->getMachineCPVal() << ">";
689 else
690 OS << "<" << *CP->getConstVal() << ">";
691 if (offset > 0)
692 OS << " + " << offset;
693 else
694 OS << " " << offset;
695 if (unsigned int TF = CP->getTargetFlags())
696 OS << " [TF=" << TF << ']';
697 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(Val: this)) {
698 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
699 if (unsigned TF = TI->getTargetFlags())
700 OS << " [TF=" << TF << ']';
701 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(Val: this)) {
702 OS << "<";
703 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
704 if (LBB)
705 OS << LBB->getName() << " ";
706 OS << (const void*)BBDN->getBasicBlock() << ">";
707 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(Val: this)) {
708 OS << ' ' << printReg(Reg: R->getReg(),
709 TRI: G ? G->getSubtarget().getRegisterInfo() : nullptr);
710 } else if (const ExternalSymbolSDNode *ES =
711 dyn_cast<ExternalSymbolSDNode>(Val: this)) {
712 OS << "'" << ES->getSymbol() << "'";
713 if (unsigned int TF = ES->getTargetFlags())
714 OS << " [TF=" << TF << ']';
715 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(Val: this)) {
716 if (M->getValue())
717 OS << "<" << M->getValue() << ">";
718 else
719 OS << "<null>";
720 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(Val: this)) {
721 if (MD->getMD())
722 OS << "<" << MD->getMD() << ">";
723 else
724 OS << "<null>";
725 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(Val: this)) {
726 OS << ":" << N->getVT();
727 }
728 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(Val: this)) {
729 OS << "<";
730
731 printMemOperand(OS, MMO: *LD->getMemOperand(), G);
732
733 bool doExt = true;
734 switch (LD->getExtensionType()) {
735 default: doExt = false; break;
736 case ISD::EXTLOAD: OS << ", anyext"; break;
737 case ISD::SEXTLOAD: OS << ", sext"; break;
738 case ISD::ZEXTLOAD: OS << ", zext"; break;
739 }
740 if (doExt)
741 OS << " from " << LD->getMemoryVT();
742
743 const char *AM = getIndexedModeName(AM: LD->getAddressingMode());
744 if (*AM)
745 OS << ", " << AM;
746
747 OS << ">";
748 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(Val: this)) {
749 OS << "<";
750 printMemOperand(OS, MMO: *ST->getMemOperand(), G);
751
752 if (ST->isTruncatingStore())
753 OS << ", trunc to " << ST->getMemoryVT();
754
755 const char *AM = getIndexedModeName(AM: ST->getAddressingMode());
756 if (*AM)
757 OS << ", " << AM;
758
759 OS << ">";
760 } else if (const MaskedLoadSDNode *MLd = dyn_cast<MaskedLoadSDNode>(Val: this)) {
761 OS << "<";
762
763 printMemOperand(OS, MMO: *MLd->getMemOperand(), G);
764
765 bool doExt = true;
766 switch (MLd->getExtensionType()) {
767 default: doExt = false; break;
768 case ISD::EXTLOAD: OS << ", anyext"; break;
769 case ISD::SEXTLOAD: OS << ", sext"; break;
770 case ISD::ZEXTLOAD: OS << ", zext"; break;
771 }
772 if (doExt)
773 OS << " from " << MLd->getMemoryVT();
774
775 const char *AM = getIndexedModeName(AM: MLd->getAddressingMode());
776 if (*AM)
777 OS << ", " << AM;
778
779 if (MLd->isExpandingLoad())
780 OS << ", expanding";
781
782 OS << ">";
783 } else if (const MaskedStoreSDNode *MSt = dyn_cast<MaskedStoreSDNode>(Val: this)) {
784 OS << "<";
785 printMemOperand(OS, MMO: *MSt->getMemOperand(), G);
786
787 if (MSt->isTruncatingStore())
788 OS << ", trunc to " << MSt->getMemoryVT();
789
790 const char *AM = getIndexedModeName(AM: MSt->getAddressingMode());
791 if (*AM)
792 OS << ", " << AM;
793
794 if (MSt->isCompressingStore())
795 OS << ", compressing";
796
797 OS << ">";
798 } else if (const auto *MGather = dyn_cast<MaskedGatherSDNode>(Val: this)) {
799 OS << "<";
800 printMemOperand(OS, MMO: *MGather->getMemOperand(), G);
801
802 bool doExt = true;
803 switch (MGather->getExtensionType()) {
804 default: doExt = false; break;
805 case ISD::EXTLOAD: OS << ", anyext"; break;
806 case ISD::SEXTLOAD: OS << ", sext"; break;
807 case ISD::ZEXTLOAD: OS << ", zext"; break;
808 }
809 if (doExt)
810 OS << " from " << MGather->getMemoryVT();
811
812 auto Signed = MGather->isIndexSigned() ? "signed" : "unsigned";
813 auto Scaled = MGather->isIndexScaled() ? "scaled" : "unscaled";
814 OS << ", " << Signed << " " << Scaled << " offset";
815
816 OS << ">";
817 } else if (const auto *MScatter = dyn_cast<MaskedScatterSDNode>(Val: this)) {
818 OS << "<";
819 printMemOperand(OS, MMO: *MScatter->getMemOperand(), G);
820
821 if (MScatter->isTruncatingStore())
822 OS << ", trunc to " << MScatter->getMemoryVT();
823
824 auto Signed = MScatter->isIndexSigned() ? "signed" : "unsigned";
825 auto Scaled = MScatter->isIndexScaled() ? "scaled" : "unscaled";
826 OS << ", " << Signed << " " << Scaled << " offset";
827
828 OS << ">";
829 } else if (const MemSDNode *M = dyn_cast<MemSDNode>(Val: this)) {
830 OS << "<";
831 printMemOperand(OS, MMO: *M->getMemOperand(), G);
832 OS << ">";
833 } else if (const BlockAddressSDNode *BA =
834 dyn_cast<BlockAddressSDNode>(Val: this)) {
835 int64_t offset = BA->getOffset();
836 OS << "<";
837 BA->getBlockAddress()->getFunction()->printAsOperand(O&: OS, PrintType: false);
838 OS << ", ";
839 BA->getBlockAddress()->getBasicBlock()->printAsOperand(O&: OS, PrintType: false);
840 OS << ">";
841 if (offset > 0)
842 OS << " + " << offset;
843 else
844 OS << " " << offset;
845 if (unsigned int TF = BA->getTargetFlags())
846 OS << " [TF=" << TF << ']';
847 } else if (const AddrSpaceCastSDNode *ASC =
848 dyn_cast<AddrSpaceCastSDNode>(Val: this)) {
849 OS << '['
850 << ASC->getSrcAddressSpace()
851 << " -> "
852 << ASC->getDestAddressSpace()
853 << ']';
854 } else if (const LifetimeSDNode *LN = dyn_cast<LifetimeSDNode>(Val: this)) {
855 if (LN->hasOffset())
856 OS << "<" << LN->getOffset() << " to " << LN->getOffset() + LN->getSize() << ">";
857 } else if (const auto *AA = dyn_cast<AssertAlignSDNode>(Val: this)) {
858 OS << '<' << AA->getAlign().value() << '>';
859 }
860
861 if (VerboseDAGDumping) {
862 if (unsigned Order = getIROrder())
863 OS << " [ORD=" << Order << ']';
864
865 if (getNodeId() != -1)
866 OS << " [ID=" << getNodeId() << ']';
867 if (!(isa<ConstantSDNode>(Val: this) || (isa<ConstantFPSDNode>(Val: this))))
868 OS << " # D:" << isDivergent();
869
870 if (G && !G->GetDbgValues(SD: this).empty()) {
871 OS << " [NoOfDbgValues=" << G->GetDbgValues(SD: this).size() << ']';
872 for (SDDbgValue *Dbg : G->GetDbgValues(SD: this))
873 if (!Dbg->isInvalidated())
874 Dbg->print(OS);
875 } else if (getHasDebugValue())
876 OS << " [NoOfDbgValues>0]";
877
878 if (const auto *MD = G ? G->getPCSections(Node: this) : nullptr) {
879 OS << " [pcsections ";
880 MD->printAsOperand(OS, M: G->getMachineFunction().getFunction().getParent());
881 OS << ']';
882 }
883 }
884}
885
886LLVM_DUMP_METHOD void SDDbgValue::print(raw_ostream &OS) const {
887 OS << " DbgVal(Order=" << getOrder() << ')';
888 if (isInvalidated())
889 OS << "(Invalidated)";
890 if (isEmitted())
891 OS << "(Emitted)";
892 OS << "(";
893 bool Comma = false;
894 for (const SDDbgOperand &Op : getLocationOps()) {
895 if (Comma)
896 OS << ", ";
897 switch (Op.getKind()) {
898 case SDDbgOperand::SDNODE:
899 if (Op.getSDNode())
900 OS << "SDNODE=" << PrintNodeId(Node: *Op.getSDNode()) << ':' << Op.getResNo();
901 else
902 OS << "SDNODE";
903 break;
904 case SDDbgOperand::CONST:
905 OS << "CONST";
906 break;
907 case SDDbgOperand::FRAMEIX:
908 OS << "FRAMEIX=" << Op.getFrameIx();
909 break;
910 case SDDbgOperand::VREG:
911 OS << "VREG=" << Op.getVReg();
912 break;
913 }
914 Comma = true;
915 }
916 OS << ")";
917 if (isIndirect()) OS << "(Indirect)";
918 if (isVariadic())
919 OS << "(Variadic)";
920 OS << ":\"" << Var->getName() << '"';
921#ifndef NDEBUG
922 if (Expr->getNumElements())
923 Expr->dump();
924#endif
925}
926
927#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
928LLVM_DUMP_METHOD void SDDbgValue::dump() const {
929 if (isInvalidated())
930 return;
931 print(OS&: dbgs());
932 dbgs() << "\n";
933}
934#endif
935
936/// Return true if this node is so simple that we should just print it inline
937/// if it appears as an operand.
938static bool shouldPrintInline(const SDNode &Node, const SelectionDAG *G) {
939 // Avoid lots of cluttering when inline printing nodes with associated
940 // DbgValues in verbose mode.
941 if (VerboseDAGDumping && G && !G->GetDbgValues(SD: &Node).empty())
942 return false;
943 if (Node.getOpcode() == ISD::EntryToken)
944 return false;
945 return Node.getNumOperands() == 0;
946}
947
948#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
949static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
950 for (const SDValue &Op : N->op_values()) {
951 if (shouldPrintInline(Node: *Op.getNode(), G))
952 continue;
953 if (Op.getNode()->hasOneUse())
954 DumpNodes(N: Op.getNode(), indent: indent+2, G);
955 }
956
957 dbgs().indent(NumSpaces: indent);
958 N->dump(G);
959}
960
961LLVM_DUMP_METHOD void SelectionDAG::dump() const {
962 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n";
963
964 for (const SDNode &N : allnodes()) {
965 if (!N.hasOneUse() && &N != getRoot().getNode() &&
966 (!shouldPrintInline(Node: N, G: this) || N.use_empty()))
967 DumpNodes(N: &N, indent: 2, G: this);
968 }
969
970 if (getRoot().getNode()) DumpNodes(N: getRoot().getNode(), indent: 2, G: this);
971 dbgs() << "\n";
972
973 if (VerboseDAGDumping) {
974 if (DbgBegin() != DbgEnd())
975 dbgs() << "SDDbgValues:\n";
976 for (auto *Dbg : make_range(x: DbgBegin(), y: DbgEnd()))
977 Dbg->dump();
978 if (ByvalParmDbgBegin() != ByvalParmDbgEnd())
979 dbgs() << "Byval SDDbgValues:\n";
980 for (auto *Dbg : make_range(x: ByvalParmDbgBegin(), y: ByvalParmDbgEnd()))
981 Dbg->dump();
982 }
983 dbgs() << "\n";
984}
985#endif
986
987void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
988 OS << PrintNodeId(Node: *this) << ": ";
989 print_types(OS, G);
990 OS << " = " << getOperationName(G);
991 print_details(OS, G);
992}
993
994static bool printOperand(raw_ostream &OS, const SelectionDAG *G,
995 const SDValue Value) {
996 if (!Value.getNode()) {
997 OS << "<null>";
998 return false;
999 }
1000
1001 if (shouldPrintInline(Node: *Value.getNode(), G)) {
1002 OS << Value->getOperationName(G) << ':';
1003 Value->print_types(OS, G);
1004 Value->print_details(OS, G);
1005 return true;
1006 }
1007
1008 OS << PrintNodeId(Node: *Value.getNode());
1009 if (unsigned RN = Value.getResNo())
1010 OS << ':' << RN;
1011 return false;
1012}
1013
1014#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
1015using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>;
1016
1017static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
1018 const SelectionDAG *G, VisitedSDNodeSet &once) {
1019 if (!once.insert(Ptr: N).second) // If we've been here before, return now.
1020 return;
1021
1022 // Dump the current SDNode, but don't end the line yet.
1023 OS.indent(NumSpaces: indent);
1024 N->printr(OS, G);
1025
1026 // Having printed this SDNode, walk the children:
1027 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
1028 if (i) OS << ",";
1029 OS << " ";
1030
1031 const SDValue Op = N->getOperand(Num: i);
1032 bool printedInline = printOperand(OS, G, Value: Op);
1033 if (printedInline)
1034 once.insert(Ptr: Op.getNode());
1035 }
1036
1037 OS << "\n";
1038
1039 // Dump children that have grandchildren on their own line(s).
1040 for (const SDValue &Op : N->op_values())
1041 DumpNodesr(OS, N: Op.getNode(), indent: indent+2, G, once);
1042}
1043
1044LLVM_DUMP_METHOD void SDNode::dumpr() const {
1045 VisitedSDNodeSet once;
1046 DumpNodesr(OS&: dbgs(), N: this, indent: 0, G: nullptr, once);
1047}
1048
1049LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const {
1050 VisitedSDNodeSet once;
1051 DumpNodesr(OS&: dbgs(), N: this, indent: 0, G, once);
1052}
1053#endif
1054
1055static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
1056 const SelectionDAG *G, unsigned depth,
1057 unsigned indent) {
1058 if (depth == 0)
1059 return;
1060
1061 OS.indent(NumSpaces: indent);
1062
1063 N->print(OS, G);
1064
1065 for (const SDValue &Op : N->op_values()) {
1066 // Don't follow chain operands.
1067 if (Op.getValueType() == MVT::Other)
1068 continue;
1069 OS << '\n';
1070 printrWithDepthHelper(OS, N: Op.getNode(), G, depth: depth - 1, indent: indent + 2);
1071 }
1072}
1073
1074void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
1075 unsigned depth) const {
1076 printrWithDepthHelper(OS, N: this, G, depth, indent: 0);
1077}
1078
1079void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
1080 // Don't print impossibly deep things.
1081 printrWithDepth(OS, G, depth: 10);
1082}
1083
1084#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
1085LLVM_DUMP_METHOD
1086void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
1087 printrWithDepth(OS&: dbgs(), G, depth);
1088}
1089
1090LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const {
1091 // Don't print impossibly deep things.
1092 dumprWithDepth(G, depth: 10);
1093}
1094#endif
1095
1096void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
1097 printr(OS, G);
1098 // Under VerboseDAGDumping divergence will be printed always.
1099 if (isDivergent() && !VerboseDAGDumping)
1100 OS << " # D:1";
1101 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
1102 if (i) OS << ", "; else OS << " ";
1103 printOperand(OS, G, Value: getOperand(Num: i));
1104 }
1105 if (DebugLoc DL = getDebugLoc()) {
1106 OS << ", ";
1107 DL.print(OS);
1108 }
1109}
1110

source code of llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp