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
51 using namespace llvm;
52
53 static cl::opt<bool>
54 VerboseDAGDumping("dag-dump-verbose", cl::Hidden,
55 cl::desc("Display more information when dumping selection "
56 "DAG nodes."));
57
getOperationName(const SelectionDAG * G) const58 std::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 // clang-format off
79 #ifndef NDEBUG
80 case ISD::DELETED_NODE: return "<<Deleted Node!>>";
81 #endif
82 case ISD::PREFETCH: return "Prefetch";
83 case ISD::MEMBARRIER: return "MemBarrier";
84 case ISD::ATOMIC_FENCE: return "AtomicFence";
85 case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap";
86 case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: return "AtomicCmpSwapWithSuccess";
87 case ISD::ATOMIC_SWAP: return "AtomicSwap";
88 case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd";
89 case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub";
90 case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd";
91 case ISD::ATOMIC_LOAD_CLR: return "AtomicLoadClr";
92 case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr";
93 case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor";
94 case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand";
95 case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin";
96 case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax";
97 case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin";
98 case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax";
99 case ISD::ATOMIC_LOAD_FADD: return "AtomicLoadFAdd";
100 case ISD::ATOMIC_LOAD_FMIN: return "AtomicLoadFMin";
101 case ISD::ATOMIC_LOAD_FMAX: return "AtomicLoadFMax";
102 case ISD::ATOMIC_LOAD_UINC_WRAP:
103 return "AtomicLoadUIncWrap";
104 case ISD::ATOMIC_LOAD_UDEC_WRAP:
105 return "AtomicLoadUDecWrap";
106 case ISD::ATOMIC_LOAD: return "AtomicLoad";
107 case ISD::ATOMIC_STORE: return "AtomicStore";
108 case ISD::PCMARKER: return "PCMarker";
109 case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
110 case ISD::READSTEADYCOUNTER: return "ReadSteadyCounter";
111 case ISD::SRCVALUE: return "SrcValue";
112 case ISD::MDNODE_SDNODE: return "MDNode";
113 case ISD::EntryToken: return "EntryToken";
114 case ISD::TokenFactor: return "TokenFactor";
115 case ISD::AssertSext: return "AssertSext";
116 case ISD::AssertZext: return "AssertZext";
117 case ISD::AssertAlign: return "AssertAlign";
118
119 case ISD::BasicBlock: return "BasicBlock";
120 case ISD::VALUETYPE: return "ValueType";
121 case ISD::Register: return "Register";
122 case ISD::RegisterMask: return "RegisterMask";
123 case ISD::Constant:
124 if (cast<ConstantSDNode>(this)->isOpaque())
125 return "OpaqueConstant";
126 return "Constant";
127 case ISD::ConstantFP: return "ConstantFP";
128 case ISD::GlobalAddress: return "GlobalAddress";
129 case ISD::GlobalTLSAddress: return "GlobalTLSAddress";
130 case ISD::PtrAuthGlobalAddress: return "PtrAuthGlobalAddress";
131 case ISD::FrameIndex: return "FrameIndex";
132 case ISD::JumpTable: return "JumpTable";
133 case ISD::JUMP_TABLE_DEBUG_INFO:
134 return "JUMP_TABLE_DEBUG_INFO";
135 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE";
136 case ISD::RETURNADDR: return "RETURNADDR";
137 case ISD::ADDROFRETURNADDR: return "ADDROFRETURNADDR";
138 case ISD::FRAMEADDR: return "FRAMEADDR";
139 case ISD::SPONENTRY: return "SPONENTRY";
140 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER";
141 case ISD::READ_REGISTER: return "READ_REGISTER";
142 case ISD::WRITE_REGISTER: return "WRITE_REGISTER";
143 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET";
144 case ISD::EH_DWARF_CFA: return "EH_DWARF_CFA";
145 case ISD::EH_RETURN: return "EH_RETURN";
146 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP";
147 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP";
148 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH";
149 case ISD::ConstantPool: return "ConstantPool";
150 case ISD::TargetIndex: return "TargetIndex";
151 case ISD::ExternalSymbol: return "ExternalSymbol";
152 case ISD::BlockAddress: return "BlockAddress";
153 case ISD::INTRINSIC_WO_CHAIN:
154 case ISD::INTRINSIC_VOID:
155 case ISD::INTRINSIC_W_CHAIN: {
156 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
157 unsigned IID = getOperand(OpNo)->getAsZExtVal();
158 if (IID < Intrinsic::num_intrinsics)
159 return Intrinsic::getBaseName((Intrinsic::ID)IID).str();
160 if (!G)
161 return "Unknown intrinsic";
162 if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
163 return TII->getName(IID);
164 llvm_unreachable("Invalid intrinsic ID");
165 }
166
167 case ISD::BUILD_VECTOR: return "BUILD_VECTOR";
168 case ISD::TargetConstant:
169 if (cast<ConstantSDNode>(this)->isOpaque())
170 return "OpaqueTargetConstant";
171 return "TargetConstant";
172
173 case ISD::TargetConstantFP: return "TargetConstantFP";
174 case ISD::TargetGlobalAddress: return "TargetGlobalAddress";
175 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress";
176 case ISD::TargetFrameIndex: return "TargetFrameIndex";
177 case ISD::TargetJumpTable: return "TargetJumpTable";
178 case ISD::TargetConstantPool: return "TargetConstantPool";
179 case ISD::TargetExternalSymbol: return "TargetExternalSymbol";
180 case ISD::MCSymbol: return "MCSymbol";
181 case ISD::TargetBlockAddress: return "TargetBlockAddress";
182
183 case ISD::CopyToReg: return "CopyToReg";
184 case ISD::CopyFromReg: return "CopyFromReg";
185 case ISD::UNDEF: return "undef";
186 case ISD::VSCALE: return "vscale";
187 case ISD::MERGE_VALUES: return "merge_values";
188 case ISD::INLINEASM: return "inlineasm";
189 case ISD::INLINEASM_BR: return "inlineasm_br";
190 case ISD::EH_LABEL: return "eh_label";
191 case ISD::ANNOTATION_LABEL: return "annotation_label";
192 case ISD::HANDLENODE: return "handlenode";
193
194 // Unary operators
195 case ISD::FABS: return "fabs";
196 case ISD::FMINNUM: return "fminnum";
197 case ISD::STRICT_FMINNUM: return "strict_fminnum";
198 case ISD::FMAXNUM: return "fmaxnum";
199 case ISD::STRICT_FMAXNUM: return "strict_fmaxnum";
200 case ISD::FMINNUM_IEEE: return "fminnum_ieee";
201 case ISD::FMAXNUM_IEEE: return "fmaxnum_ieee";
202 case ISD::FMINIMUM: return "fminimum";
203 case ISD::STRICT_FMINIMUM: return "strict_fminimum";
204 case ISD::FMAXIMUM: return "fmaximum";
205 case ISD::STRICT_FMAXIMUM: return "strict_fmaximum";
206 case ISD::FNEG: return "fneg";
207 case ISD::FSQRT: return "fsqrt";
208 case ISD::STRICT_FSQRT: return "strict_fsqrt";
209 case ISD::FCBRT: return "fcbrt";
210 case ISD::FSIN: return "fsin";
211 case ISD::STRICT_FSIN: return "strict_fsin";
212 case ISD::FCOS: return "fcos";
213 case ISD::STRICT_FCOS: return "strict_fcos";
214 case ISD::FSINCOS: return "fsincos";
215 case ISD::FTAN: return "ftan";
216 case ISD::STRICT_FTAN: return "strict_ftan";
217 case ISD::FASIN: return "fasin";
218 case ISD::STRICT_FASIN: return "strict_fasin";
219 case ISD::FACOS: return "facos";
220 case ISD::STRICT_FACOS: return "strict_facos";
221 case ISD::FATAN: return "fatan";
222 case ISD::STRICT_FATAN: return "strict_fatan";
223 case ISD::FSINH: return "fsinh";
224 case ISD::STRICT_FSINH: return "strict_fsinh";
225 case ISD::FCOSH: return "fcosh";
226 case ISD::STRICT_FCOSH: return "strict_fcosh";
227 case ISD::FTANH: return "ftanh";
228 case ISD::STRICT_FTANH: return "strict_ftanh";
229 case ISD::FTRUNC: return "ftrunc";
230 case ISD::STRICT_FTRUNC: return "strict_ftrunc";
231 case ISD::FFLOOR: return "ffloor";
232 case ISD::STRICT_FFLOOR: return "strict_ffloor";
233 case ISD::FCEIL: return "fceil";
234 case ISD::STRICT_FCEIL: return "strict_fceil";
235 case ISD::FRINT: return "frint";
236 case ISD::STRICT_FRINT: return "strict_frint";
237 case ISD::FNEARBYINT: return "fnearbyint";
238 case ISD::STRICT_FNEARBYINT: return "strict_fnearbyint";
239 case ISD::FROUND: return "fround";
240 case ISD::STRICT_FROUND: return "strict_fround";
241 case ISD::FROUNDEVEN: return "froundeven";
242 case ISD::STRICT_FROUNDEVEN: return "strict_froundeven";
243 case ISD::FEXP: return "fexp";
244 case ISD::STRICT_FEXP: return "strict_fexp";
245 case ISD::FEXP2: return "fexp2";
246 case ISD::STRICT_FEXP2: return "strict_fexp2";
247 case ISD::FEXP10: return "fexp10";
248 case ISD::FLOG: return "flog";
249 case ISD::STRICT_FLOG: return "strict_flog";
250 case ISD::FLOG2: return "flog2";
251 case ISD::STRICT_FLOG2: return "strict_flog2";
252 case ISD::FLOG10: return "flog10";
253 case ISD::STRICT_FLOG10: return "strict_flog10";
254
255 // Binary operators
256 case ISD::ADD: return "add";
257 case ISD::SUB: return "sub";
258 case ISD::MUL: return "mul";
259 case ISD::MULHU: return "mulhu";
260 case ISD::MULHS: return "mulhs";
261 case ISD::AVGFLOORU: return "avgflooru";
262 case ISD::AVGFLOORS: return "avgfloors";
263 case ISD::AVGCEILU: return "avgceilu";
264 case ISD::AVGCEILS: return "avgceils";
265 case ISD::ABDS: return "abds";
266 case ISD::ABDU: return "abdu";
267 case ISD::SDIV: return "sdiv";
268 case ISD::UDIV: return "udiv";
269 case ISD::SREM: return "srem";
270 case ISD::UREM: return "urem";
271 case ISD::SMUL_LOHI: return "smul_lohi";
272 case ISD::UMUL_LOHI: return "umul_lohi";
273 case ISD::SDIVREM: return "sdivrem";
274 case ISD::UDIVREM: return "udivrem";
275 case ISD::AND: return "and";
276 case ISD::OR: return "or";
277 case ISD::XOR: return "xor";
278 case ISD::SHL: return "shl";
279 case ISD::SRA: return "sra";
280 case ISD::SRL: return "srl";
281 case ISD::ROTL: return "rotl";
282 case ISD::ROTR: return "rotr";
283 case ISD::FSHL: return "fshl";
284 case ISD::FSHR: return "fshr";
285 case ISD::FADD: return "fadd";
286 case ISD::STRICT_FADD: return "strict_fadd";
287 case ISD::FSUB: return "fsub";
288 case ISD::STRICT_FSUB: return "strict_fsub";
289 case ISD::FMUL: return "fmul";
290 case ISD::STRICT_FMUL: return "strict_fmul";
291 case ISD::FDIV: return "fdiv";
292 case ISD::STRICT_FDIV: return "strict_fdiv";
293 case ISD::FMA: return "fma";
294 case ISD::STRICT_FMA: return "strict_fma";
295 case ISD::FMAD: return "fmad";
296 case ISD::FREM: return "frem";
297 case ISD::STRICT_FREM: return "strict_frem";
298 case ISD::FCOPYSIGN: return "fcopysign";
299 case ISD::FGETSIGN: return "fgetsign";
300 case ISD::FCANONICALIZE: return "fcanonicalize";
301 case ISD::IS_FPCLASS: return "is_fpclass";
302 case ISD::FPOW: return "fpow";
303 case ISD::STRICT_FPOW: return "strict_fpow";
304 case ISD::SMIN: return "smin";
305 case ISD::SMAX: return "smax";
306 case ISD::UMIN: return "umin";
307 case ISD::UMAX: return "umax";
308 case ISD::SCMP: return "scmp";
309 case ISD::UCMP: return "ucmp";
310
311 case ISD::FLDEXP: return "fldexp";
312 case ISD::STRICT_FLDEXP: return "strict_fldexp";
313 case ISD::FFREXP: return "ffrexp";
314 case ISD::FPOWI: return "fpowi";
315 case ISD::STRICT_FPOWI: return "strict_fpowi";
316 case ISD::SETCC: return "setcc";
317 case ISD::SETCCCARRY: return "setcccarry";
318 case ISD::STRICT_FSETCC: return "strict_fsetcc";
319 case ISD::STRICT_FSETCCS: return "strict_fsetccs";
320 case ISD::FPTRUNC_ROUND: return "fptrunc_round";
321 case ISD::SELECT: return "select";
322 case ISD::VSELECT: return "vselect";
323 case ISD::SELECT_CC: return "select_cc";
324 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt";
325 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt";
326 case ISD::CONCAT_VECTORS: return "concat_vectors";
327 case ISD::INSERT_SUBVECTOR: return "insert_subvector";
328 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector";
329 case ISD::VECTOR_DEINTERLEAVE: return "vector_deinterleave";
330 case ISD::VECTOR_INTERLEAVE: return "vector_interleave";
331 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector";
332 case ISD::VECTOR_SHUFFLE: return "vector_shuffle";
333 case ISD::VECTOR_SPLICE: return "vector_splice";
334 case ISD::SPLAT_VECTOR: return "splat_vector";
335 case ISD::SPLAT_VECTOR_PARTS: return "splat_vector_parts";
336 case ISD::VECTOR_REVERSE: return "vector_reverse";
337 case ISD::STEP_VECTOR: return "step_vector";
338 case ISD::CARRY_FALSE: return "carry_false";
339 case ISD::ADDC: return "addc";
340 case ISD::ADDE: return "adde";
341 case ISD::UADDO_CARRY: return "uaddo_carry";
342 case ISD::SADDO_CARRY: return "saddo_carry";
343 case ISD::SADDO: return "saddo";
344 case ISD::UADDO: return "uaddo";
345 case ISD::SSUBO: return "ssubo";
346 case ISD::USUBO: return "usubo";
347 case ISD::SMULO: return "smulo";
348 case ISD::UMULO: return "umulo";
349 case ISD::SUBC: return "subc";
350 case ISD::SUBE: return "sube";
351 case ISD::USUBO_CARRY: return "usubo_carry";
352 case ISD::SSUBO_CARRY: return "ssubo_carry";
353 case ISD::SHL_PARTS: return "shl_parts";
354 case ISD::SRA_PARTS: return "sra_parts";
355 case ISD::SRL_PARTS: return "srl_parts";
356
357 case ISD::SADDSAT: return "saddsat";
358 case ISD::UADDSAT: return "uaddsat";
359 case ISD::SSUBSAT: return "ssubsat";
360 case ISD::USUBSAT: return "usubsat";
361 case ISD::SSHLSAT: return "sshlsat";
362 case ISD::USHLSAT: return "ushlsat";
363
364 case ISD::SMULFIX: return "smulfix";
365 case ISD::SMULFIXSAT: return "smulfixsat";
366 case ISD::UMULFIX: return "umulfix";
367 case ISD::UMULFIXSAT: return "umulfixsat";
368
369 case ISD::SDIVFIX: return "sdivfix";
370 case ISD::SDIVFIXSAT: return "sdivfixsat";
371 case ISD::UDIVFIX: return "udivfix";
372 case ISD::UDIVFIXSAT: return "udivfixsat";
373
374 // Conversion operators.
375 case ISD::SIGN_EXTEND: return "sign_extend";
376 case ISD::ZERO_EXTEND: return "zero_extend";
377 case ISD::ANY_EXTEND: return "any_extend";
378 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg";
379 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg";
380 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg";
381 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg";
382 case ISD::TRUNCATE: return "truncate";
383 case ISD::FP_ROUND: return "fp_round";
384 case ISD::STRICT_FP_ROUND: return "strict_fp_round";
385 case ISD::FP_EXTEND: return "fp_extend";
386 case ISD::STRICT_FP_EXTEND: return "strict_fp_extend";
387
388 case ISD::SINT_TO_FP: return "sint_to_fp";
389 case ISD::STRICT_SINT_TO_FP: return "strict_sint_to_fp";
390 case ISD::UINT_TO_FP: return "uint_to_fp";
391 case ISD::STRICT_UINT_TO_FP: return "strict_uint_to_fp";
392 case ISD::FP_TO_SINT: return "fp_to_sint";
393 case ISD::STRICT_FP_TO_SINT: return "strict_fp_to_sint";
394 case ISD::FP_TO_UINT: return "fp_to_uint";
395 case ISD::STRICT_FP_TO_UINT: return "strict_fp_to_uint";
396 case ISD::FP_TO_SINT_SAT: return "fp_to_sint_sat";
397 case ISD::FP_TO_UINT_SAT: return "fp_to_uint_sat";
398 case ISD::BITCAST: return "bitcast";
399 case ISD::ADDRSPACECAST: return "addrspacecast";
400 case ISD::FP16_TO_FP: return "fp16_to_fp";
401 case ISD::STRICT_FP16_TO_FP: return "strict_fp16_to_fp";
402 case ISD::FP_TO_FP16: return "fp_to_fp16";
403 case ISD::STRICT_FP_TO_FP16: return "strict_fp_to_fp16";
404 case ISD::BF16_TO_FP: return "bf16_to_fp";
405 case ISD::STRICT_BF16_TO_FP: return "strict_bf16_to_fp";
406 case ISD::FP_TO_BF16: return "fp_to_bf16";
407 case ISD::STRICT_FP_TO_BF16: return "strict_fp_to_bf16";
408 case ISD::LROUND: return "lround";
409 case ISD::STRICT_LROUND: return "strict_lround";
410 case ISD::LLROUND: return "llround";
411 case ISD::STRICT_LLROUND: return "strict_llround";
412 case ISD::LRINT: return "lrint";
413 case ISD::STRICT_LRINT: return "strict_lrint";
414 case ISD::LLRINT: return "llrint";
415 case ISD::STRICT_LLRINT: return "strict_llrint";
416
417 // Control flow instructions
418 case ISD::BR: return "br";
419 case ISD::BRIND: return "brind";
420 case ISD::BR_JT: return "br_jt";
421 case ISD::BRCOND: return "brcond";
422 case ISD::BR_CC: return "br_cc";
423 case ISD::CALLSEQ_START: return "callseq_start";
424 case ISD::CALLSEQ_END: return "callseq_end";
425
426 // EH instructions
427 case ISD::CATCHRET: return "catchret";
428 case ISD::CLEANUPRET: return "cleanupret";
429
430 // Other operators
431 case ISD::LOAD: return "load";
432 case ISD::STORE: return "store";
433 case ISD::MLOAD: return "masked_load";
434 case ISD::MSTORE: return "masked_store";
435 case ISD::MGATHER: return "masked_gather";
436 case ISD::MSCATTER: return "masked_scatter";
437 case ISD::VECTOR_COMPRESS: return "vector_compress";
438 case ISD::VAARG: return "vaarg";
439 case ISD::VACOPY: return "vacopy";
440 case ISD::VAEND: return "vaend";
441 case ISD::VASTART: return "vastart";
442 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc";
443 case ISD::EXTRACT_ELEMENT: return "extract_element";
444 case ISD::BUILD_PAIR: return "build_pair";
445 case ISD::STACKSAVE: return "stacksave";
446 case ISD::STACKRESTORE: return "stackrestore";
447 case ISD::TRAP: return "trap";
448 case ISD::DEBUGTRAP: return "debugtrap";
449 case ISD::UBSANTRAP: return "ubsantrap";
450 case ISD::LIFETIME_START: return "lifetime.start";
451 case ISD::LIFETIME_END: return "lifetime.end";
452 case ISD::PSEUDO_PROBE:
453 return "pseudoprobe";
454 case ISD::GC_TRANSITION_START: return "gc_transition.start";
455 case ISD::GC_TRANSITION_END: return "gc_transition.end";
456 case ISD::GET_DYNAMIC_AREA_OFFSET: return "get.dynamic.area.offset";
457 case ISD::FREEZE: return "freeze";
458 case ISD::PREALLOCATED_SETUP:
459 return "call_setup";
460 case ISD::PREALLOCATED_ARG:
461 return "call_alloc";
462
463 // Floating point environment manipulation
464 case ISD::GET_ROUNDING: return "get_rounding";
465 case ISD::SET_ROUNDING: return "set_rounding";
466 case ISD::GET_FPENV: return "get_fpenv";
467 case ISD::SET_FPENV: return "set_fpenv";
468 case ISD::RESET_FPENV: return "reset_fpenv";
469 case ISD::GET_FPENV_MEM: return "get_fpenv_mem";
470 case ISD::SET_FPENV_MEM: return "set_fpenv_mem";
471 case ISD::GET_FPMODE: return "get_fpmode";
472 case ISD::SET_FPMODE: return "set_fpmode";
473 case ISD::RESET_FPMODE: return "reset_fpmode";
474
475 // Convergence control instructions
476 case ISD::CONVERGENCECTRL_ANCHOR: return "convergencectrl_anchor";
477 case ISD::CONVERGENCECTRL_ENTRY: return "convergencectrl_entry";
478 case ISD::CONVERGENCECTRL_LOOP: return "convergencectrl_loop";
479 case ISD::CONVERGENCECTRL_GLUE: return "convergencectrl_glue";
480
481 // Bit manipulation
482 case ISD::ABS: return "abs";
483 case ISD::BITREVERSE: return "bitreverse";
484 case ISD::BSWAP: return "bswap";
485 case ISD::CTPOP: return "ctpop";
486 case ISD::CTTZ: return "cttz";
487 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef";
488 case ISD::CTLZ: return "ctlz";
489 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef";
490 case ISD::PARITY: return "parity";
491
492 // Trampolines
493 case ISD::INIT_TRAMPOLINE: return "init_trampoline";
494 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline";
495
496 // clang-format on
497
498 case ISD::CONDCODE:
499 switch (cast<CondCodeSDNode>(this)->get()) {
500 default: llvm_unreachable("Unknown setcc condition!");
501 case ISD::SETOEQ: return "setoeq";
502 case ISD::SETOGT: return "setogt";
503 case ISD::SETOGE: return "setoge";
504 case ISD::SETOLT: return "setolt";
505 case ISD::SETOLE: return "setole";
506 case ISD::SETONE: return "setone";
507
508 case ISD::SETO: return "seto";
509 case ISD::SETUO: return "setuo";
510 case ISD::SETUEQ: return "setueq";
511 case ISD::SETUGT: return "setugt";
512 case ISD::SETUGE: return "setuge";
513 case ISD::SETULT: return "setult";
514 case ISD::SETULE: return "setule";
515 case ISD::SETUNE: return "setune";
516
517 case ISD::SETEQ: return "seteq";
518 case ISD::SETGT: return "setgt";
519 case ISD::SETGE: return "setge";
520 case ISD::SETLT: return "setlt";
521 case ISD::SETLE: return "setle";
522 case ISD::SETNE: return "setne";
523
524 case ISD::SETTRUE: return "settrue";
525 case ISD::SETTRUE2: return "settrue2";
526 case ISD::SETFALSE: return "setfalse";
527 case ISD::SETFALSE2: return "setfalse2";
528 }
529 case ISD::VECREDUCE_FADD: return "vecreduce_fadd";
530 case ISD::VECREDUCE_SEQ_FADD: return "vecreduce_seq_fadd";
531 case ISD::VECREDUCE_FMUL: return "vecreduce_fmul";
532 case ISD::VECREDUCE_SEQ_FMUL: return "vecreduce_seq_fmul";
533 case ISD::VECREDUCE_ADD: return "vecreduce_add";
534 case ISD::VECREDUCE_MUL: return "vecreduce_mul";
535 case ISD::VECREDUCE_AND: return "vecreduce_and";
536 case ISD::VECREDUCE_OR: return "vecreduce_or";
537 case ISD::VECREDUCE_XOR: return "vecreduce_xor";
538 case ISD::VECREDUCE_SMAX: return "vecreduce_smax";
539 case ISD::VECREDUCE_SMIN: return "vecreduce_smin";
540 case ISD::VECREDUCE_UMAX: return "vecreduce_umax";
541 case ISD::VECREDUCE_UMIN: return "vecreduce_umin";
542 case ISD::VECREDUCE_FMAX: return "vecreduce_fmax";
543 case ISD::VECREDUCE_FMIN: return "vecreduce_fmin";
544 case ISD::VECREDUCE_FMAXIMUM: return "vecreduce_fmaximum";
545 case ISD::VECREDUCE_FMINIMUM: return "vecreduce_fminimum";
546 case ISD::STACKMAP:
547 return "stackmap";
548 case ISD::PATCHPOINT:
549 return "patchpoint";
550 case ISD::CLEAR_CACHE:
551 return "clear_cache";
552
553 case ISD::EXPERIMENTAL_VECTOR_HISTOGRAM:
554 return "histogram";
555
556 // Vector Predication
557 #define BEGIN_REGISTER_VP_SDNODE(SDID, LEGALARG, NAME, ...) \
558 case ISD::SDID: \
559 return #NAME;
560 #include "llvm/IR/VPIntrinsics.def"
561 }
562 }
563
getIndexedModeName(ISD::MemIndexedMode AM)564 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
565 switch (AM) {
566 default: return "";
567 case ISD::PRE_INC: return "<pre-inc>";
568 case ISD::PRE_DEC: return "<pre-dec>";
569 case ISD::POST_INC: return "<post-inc>";
570 case ISD::POST_DEC: return "<post-dec>";
571 }
572 }
573
PrintNodeId(const SDNode & Node)574 static Printable PrintNodeId(const SDNode &Node) {
575 return Printable([&Node](raw_ostream &OS) {
576 #ifndef NDEBUG
577 OS << 't' << Node.PersistentId;
578 #else
579 OS << (const void*)&Node;
580 #endif
581 });
582 }
583
584 // Print the MMO with more information from the SelectionDAG.
printMemOperand(raw_ostream & OS,const MachineMemOperand & MMO,const MachineFunction * MF,const Module * M,const MachineFrameInfo * MFI,const TargetInstrInfo * TII,LLVMContext & Ctx)585 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
586 const MachineFunction *MF, const Module *M,
587 const MachineFrameInfo *MFI,
588 const TargetInstrInfo *TII, LLVMContext &Ctx) {
589 ModuleSlotTracker MST(M);
590 if (MF)
591 MST.incorporateFunction(MF->getFunction());
592 SmallVector<StringRef, 0> SSNs;
593 MMO.print(OS, MST, SSNs, Ctx, MFI, TII);
594 }
595
printMemOperand(raw_ostream & OS,const MachineMemOperand & MMO,const SelectionDAG * G)596 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
597 const SelectionDAG *G) {
598 if (G) {
599 const MachineFunction *MF = &G->getMachineFunction();
600 return printMemOperand(OS, MMO, MF, MF->getFunction().getParent(),
601 &MF->getFrameInfo(),
602 G->getSubtarget().getInstrInfo(), *G->getContext());
603 }
604
605 LLVMContext Ctx;
606 return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr,
607 /*MFI=*/nullptr, /*TII=*/nullptr, Ctx);
608 }
609
610 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
dump() const611 LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); }
612
dump(const SelectionDAG * G) const613 LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const {
614 print(dbgs(), G);
615 dbgs() << '\n';
616 }
617 #endif
618
print_types(raw_ostream & OS,const SelectionDAG * G) const619 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
620 for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
621 if (i) OS << ",";
622 if (getValueType(i) == MVT::Other)
623 OS << "ch";
624 else
625 OS << getValueType(i).getEVTString();
626 }
627 }
628
print_details(raw_ostream & OS,const SelectionDAG * G) const629 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
630 if (getFlags().hasNoUnsignedWrap())
631 OS << " nuw";
632
633 if (getFlags().hasNoSignedWrap())
634 OS << " nsw";
635
636 if (getFlags().hasExact())
637 OS << " exact";
638
639 if (getFlags().hasDisjoint())
640 OS << " disjoint";
641
642 if (getFlags().hasNonNeg())
643 OS << " nneg";
644
645 if (getFlags().hasNoNaNs())
646 OS << " nnan";
647
648 if (getFlags().hasNoInfs())
649 OS << " ninf";
650
651 if (getFlags().hasNoSignedZeros())
652 OS << " nsz";
653
654 if (getFlags().hasAllowReciprocal())
655 OS << " arcp";
656
657 if (getFlags().hasAllowContract())
658 OS << " contract";
659
660 if (getFlags().hasApproximateFuncs())
661 OS << " afn";
662
663 if (getFlags().hasAllowReassociation())
664 OS << " reassoc";
665
666 if (getFlags().hasNoFPExcept())
667 OS << " nofpexcept";
668
669 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
670 if (!MN->memoperands_empty()) {
671 OS << "<";
672 OS << "Mem:";
673 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
674 e = MN->memoperands_end(); i != e; ++i) {
675 printMemOperand(OS, **i, G);
676 if (std::next(i) != e)
677 OS << " ";
678 }
679 OS << ">";
680 }
681 } else if (const ShuffleVectorSDNode *SVN =
682 dyn_cast<ShuffleVectorSDNode>(this)) {
683 OS << "<";
684 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
685 int Idx = SVN->getMaskElt(i);
686 if (i) OS << ",";
687 if (Idx < 0)
688 OS << "u";
689 else
690 OS << Idx;
691 }
692 OS << ">";
693 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
694 OS << '<' << CSDN->getAPIntValue() << '>';
695 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
696 if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle())
697 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
698 else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble())
699 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
700 else {
701 OS << "<APFloat(";
702 CSDN->getValueAPF().bitcastToAPInt().print(OS, false);
703 OS << ")>";
704 }
705 } else if (const GlobalAddressSDNode *GADN =
706 dyn_cast<GlobalAddressSDNode>(this)) {
707 int64_t offset = GADN->getOffset();
708 OS << '<';
709 GADN->getGlobal()->printAsOperand(OS);
710 OS << '>';
711 if (offset > 0)
712 OS << " + " << offset;
713 else
714 OS << " " << offset;
715 if (unsigned int TF = GADN->getTargetFlags())
716 OS << " [TF=" << TF << ']';
717 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
718 OS << "<" << FIDN->getIndex() << ">";
719 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
720 OS << "<" << JTDN->getIndex() << ">";
721 if (unsigned int TF = JTDN->getTargetFlags())
722 OS << " [TF=" << TF << ']';
723 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
724 int offset = CP->getOffset();
725 if (CP->isMachineConstantPoolEntry())
726 OS << "<" << *CP->getMachineCPVal() << ">";
727 else
728 OS << "<" << *CP->getConstVal() << ">";
729 if (offset > 0)
730 OS << " + " << offset;
731 else
732 OS << " " << offset;
733 if (unsigned int TF = CP->getTargetFlags())
734 OS << " [TF=" << TF << ']';
735 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
736 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
737 if (unsigned TF = TI->getTargetFlags())
738 OS << " [TF=" << TF << ']';
739 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
740 OS << "<";
741 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
742 if (LBB)
743 OS << LBB->getName() << " ";
744 OS << (const void*)BBDN->getBasicBlock() << ">";
745 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
746 OS << ' ' << printReg(R->getReg(),
747 G ? G->getSubtarget().getRegisterInfo() : nullptr);
748 } else if (const ExternalSymbolSDNode *ES =
749 dyn_cast<ExternalSymbolSDNode>(this)) {
750 OS << "'" << ES->getSymbol() << "'";
751 if (unsigned int TF = ES->getTargetFlags())
752 OS << " [TF=" << TF << ']';
753 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
754 if (M->getValue())
755 OS << "<" << M->getValue() << ">";
756 else
757 OS << "<null>";
758 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
759 if (MD->getMD())
760 OS << "<" << MD->getMD() << ">";
761 else
762 OS << "<null>";
763 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
764 OS << ":" << N->getVT();
765 }
766 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
767 OS << "<";
768
769 printMemOperand(OS, *LD->getMemOperand(), G);
770
771 bool doExt = true;
772 switch (LD->getExtensionType()) {
773 default: doExt = false; break;
774 case ISD::EXTLOAD: OS << ", anyext"; break;
775 case ISD::SEXTLOAD: OS << ", sext"; break;
776 case ISD::ZEXTLOAD: OS << ", zext"; break;
777 }
778 if (doExt)
779 OS << " from " << LD->getMemoryVT();
780
781 const char *AM = getIndexedModeName(LD->getAddressingMode());
782 if (*AM)
783 OS << ", " << AM;
784
785 OS << ">";
786 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
787 OS << "<";
788 printMemOperand(OS, *ST->getMemOperand(), G);
789
790 if (ST->isTruncatingStore())
791 OS << ", trunc to " << ST->getMemoryVT();
792
793 const char *AM = getIndexedModeName(ST->getAddressingMode());
794 if (*AM)
795 OS << ", " << AM;
796
797 OS << ">";
798 } else if (const MaskedLoadSDNode *MLd = dyn_cast<MaskedLoadSDNode>(this)) {
799 OS << "<";
800
801 printMemOperand(OS, *MLd->getMemOperand(), G);
802
803 bool doExt = true;
804 switch (MLd->getExtensionType()) {
805 default: doExt = false; break;
806 case ISD::EXTLOAD: OS << ", anyext"; break;
807 case ISD::SEXTLOAD: OS << ", sext"; break;
808 case ISD::ZEXTLOAD: OS << ", zext"; break;
809 }
810 if (doExt)
811 OS << " from " << MLd->getMemoryVT();
812
813 const char *AM = getIndexedModeName(MLd->getAddressingMode());
814 if (*AM)
815 OS << ", " << AM;
816
817 if (MLd->isExpandingLoad())
818 OS << ", expanding";
819
820 OS << ">";
821 } else if (const MaskedStoreSDNode *MSt = dyn_cast<MaskedStoreSDNode>(this)) {
822 OS << "<";
823 printMemOperand(OS, *MSt->getMemOperand(), G);
824
825 if (MSt->isTruncatingStore())
826 OS << ", trunc to " << MSt->getMemoryVT();
827
828 const char *AM = getIndexedModeName(MSt->getAddressingMode());
829 if (*AM)
830 OS << ", " << AM;
831
832 if (MSt->isCompressingStore())
833 OS << ", compressing";
834
835 OS << ">";
836 } else if (const auto *MGather = dyn_cast<MaskedGatherSDNode>(this)) {
837 OS << "<";
838 printMemOperand(OS, *MGather->getMemOperand(), G);
839
840 bool doExt = true;
841 switch (MGather->getExtensionType()) {
842 default: doExt = false; break;
843 case ISD::EXTLOAD: OS << ", anyext"; break;
844 case ISD::SEXTLOAD: OS << ", sext"; break;
845 case ISD::ZEXTLOAD: OS << ", zext"; break;
846 }
847 if (doExt)
848 OS << " from " << MGather->getMemoryVT();
849
850 auto Signed = MGather->isIndexSigned() ? "signed" : "unsigned";
851 auto Scaled = MGather->isIndexScaled() ? "scaled" : "unscaled";
852 OS << ", " << Signed << " " << Scaled << " offset";
853
854 OS << ">";
855 } else if (const auto *MScatter = dyn_cast<MaskedScatterSDNode>(this)) {
856 OS << "<";
857 printMemOperand(OS, *MScatter->getMemOperand(), G);
858
859 if (MScatter->isTruncatingStore())
860 OS << ", trunc to " << MScatter->getMemoryVT();
861
862 auto Signed = MScatter->isIndexSigned() ? "signed" : "unsigned";
863 auto Scaled = MScatter->isIndexScaled() ? "scaled" : "unscaled";
864 OS << ", " << Signed << " " << Scaled << " offset";
865
866 OS << ">";
867 } else if (const MemSDNode *M = dyn_cast<MemSDNode>(this)) {
868 OS << "<";
869 printMemOperand(OS, *M->getMemOperand(), G);
870 if (auto *A = dyn_cast<AtomicSDNode>(M))
871 if (A->getOpcode() == ISD::ATOMIC_LOAD) {
872 bool doExt = true;
873 switch (A->getExtensionType()) {
874 default: doExt = false; break;
875 case ISD::EXTLOAD: OS << ", anyext"; break;
876 case ISD::SEXTLOAD: OS << ", sext"; break;
877 case ISD::ZEXTLOAD: OS << ", zext"; break;
878 }
879 if (doExt)
880 OS << " from " << A->getMemoryVT();
881 }
882 OS << ">";
883 } else if (const BlockAddressSDNode *BA =
884 dyn_cast<BlockAddressSDNode>(this)) {
885 int64_t offset = BA->getOffset();
886 OS << "<";
887 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false);
888 OS << ", ";
889 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false);
890 OS << ">";
891 if (offset > 0)
892 OS << " + " << offset;
893 else
894 OS << " " << offset;
895 if (unsigned int TF = BA->getTargetFlags())
896 OS << " [TF=" << TF << ']';
897 } else if (const AddrSpaceCastSDNode *ASC =
898 dyn_cast<AddrSpaceCastSDNode>(this)) {
899 OS << '['
900 << ASC->getSrcAddressSpace()
901 << " -> "
902 << ASC->getDestAddressSpace()
903 << ']';
904 } else if (const LifetimeSDNode *LN = dyn_cast<LifetimeSDNode>(this)) {
905 if (LN->hasOffset())
906 OS << "<" << LN->getOffset() << " to " << LN->getOffset() + LN->getSize() << ">";
907 } else if (const auto *AA = dyn_cast<AssertAlignSDNode>(this)) {
908 OS << '<' << AA->getAlign().value() << '>';
909 }
910
911 if (VerboseDAGDumping) {
912 if (unsigned Order = getIROrder())
913 OS << " [ORD=" << Order << ']';
914
915 if (getNodeId() != -1)
916 OS << " [ID=" << getNodeId() << ']';
917 if (!(isa<ConstantSDNode>(this) || (isa<ConstantFPSDNode>(this))))
918 OS << " # D:" << isDivergent();
919
920 if (G && !G->GetDbgValues(this).empty()) {
921 OS << " [NoOfDbgValues=" << G->GetDbgValues(this).size() << ']';
922 for (SDDbgValue *Dbg : G->GetDbgValues(this))
923 if (!Dbg->isInvalidated())
924 Dbg->print(OS);
925 } else if (getHasDebugValue())
926 OS << " [NoOfDbgValues>0]";
927
928 if (const auto *MD = G ? G->getPCSections(this) : nullptr) {
929 OS << " [pcsections ";
930 MD->printAsOperand(OS, G->getMachineFunction().getFunction().getParent());
931 OS << ']';
932 }
933
934 if (MDNode *MMRA = G ? G->getMMRAMetadata(this) : nullptr) {
935 OS << " [mmra ";
936 MMRA->printAsOperand(OS,
937 G->getMachineFunction().getFunction().getParent());
938 OS << ']';
939 }
940 }
941 }
942
print(raw_ostream & OS) const943 LLVM_DUMP_METHOD void SDDbgValue::print(raw_ostream &OS) const {
944 OS << " DbgVal(Order=" << getOrder() << ')';
945 if (isInvalidated())
946 OS << "(Invalidated)";
947 if (isEmitted())
948 OS << "(Emitted)";
949 OS << "(";
950 bool Comma = false;
951 for (const SDDbgOperand &Op : getLocationOps()) {
952 if (Comma)
953 OS << ", ";
954 switch (Op.getKind()) {
955 case SDDbgOperand::SDNODE:
956 if (Op.getSDNode())
957 OS << "SDNODE=" << PrintNodeId(*Op.getSDNode()) << ':' << Op.getResNo();
958 else
959 OS << "SDNODE";
960 break;
961 case SDDbgOperand::CONST:
962 OS << "CONST";
963 break;
964 case SDDbgOperand::FRAMEIX:
965 OS << "FRAMEIX=" << Op.getFrameIx();
966 break;
967 case SDDbgOperand::VREG:
968 OS << "VREG=" << Op.getVReg();
969 break;
970 }
971 Comma = true;
972 }
973 OS << ")";
974 if (isIndirect()) OS << "(Indirect)";
975 if (isVariadic())
976 OS << "(Variadic)";
977 OS << ":\"" << Var->getName() << '"';
978 #ifndef NDEBUG
979 if (Expr->getNumElements())
980 Expr->dump();
981 #endif
982 }
983
984 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
dump() const985 LLVM_DUMP_METHOD void SDDbgValue::dump() const {
986 if (isInvalidated())
987 return;
988 print(dbgs());
989 dbgs() << "\n";
990 }
991 #endif
992
993 /// Return true if this node is so simple that we should just print it inline
994 /// if it appears as an operand.
shouldPrintInline(const SDNode & Node,const SelectionDAG * G)995 static bool shouldPrintInline(const SDNode &Node, const SelectionDAG *G) {
996 // Avoid lots of cluttering when inline printing nodes with associated
997 // DbgValues in verbose mode.
998 if (VerboseDAGDumping && G && !G->GetDbgValues(&Node).empty())
999 return false;
1000 if (Node.getOpcode() == ISD::EntryToken)
1001 return false;
1002 return Node.getNumOperands() == 0;
1003 }
1004
1005 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
DumpNodes(const SDNode * N,unsigned indent,const SelectionDAG * G)1006 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
1007 for (const SDValue &Op : N->op_values()) {
1008 if (shouldPrintInline(*Op.getNode(), G))
1009 continue;
1010 if (Op.getNode()->hasOneUse())
1011 DumpNodes(Op.getNode(), indent+2, G);
1012 }
1013
1014 dbgs().indent(indent);
1015 N->dump(G);
1016 }
1017
dump() const1018 LLVM_DUMP_METHOD void SelectionDAG::dump() const {
1019 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n";
1020
1021 for (const SDNode &N : allnodes()) {
1022 if (!N.hasOneUse() && &N != getRoot().getNode() &&
1023 (!shouldPrintInline(N, this) || N.use_empty()))
1024 DumpNodes(&N, 2, this);
1025 }
1026
1027 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
1028 dbgs() << "\n";
1029
1030 if (VerboseDAGDumping) {
1031 if (DbgBegin() != DbgEnd())
1032 dbgs() << "SDDbgValues:\n";
1033 for (auto *Dbg : make_range(DbgBegin(), DbgEnd()))
1034 Dbg->dump();
1035 if (ByvalParmDbgBegin() != ByvalParmDbgEnd())
1036 dbgs() << "Byval SDDbgValues:\n";
1037 for (auto *Dbg : make_range(ByvalParmDbgBegin(), ByvalParmDbgEnd()))
1038 Dbg->dump();
1039 }
1040 dbgs() << "\n";
1041 }
1042 #endif
1043
printr(raw_ostream & OS,const SelectionDAG * G) const1044 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
1045 OS << PrintNodeId(*this) << ": ";
1046 print_types(OS, G);
1047 OS << " = " << getOperationName(G);
1048 print_details(OS, G);
1049 }
1050
printOperand(raw_ostream & OS,const SelectionDAG * G,const SDValue Value)1051 static bool printOperand(raw_ostream &OS, const SelectionDAG *G,
1052 const SDValue Value) {
1053 if (!Value.getNode()) {
1054 OS << "<null>";
1055 return false;
1056 }
1057
1058 if (shouldPrintInline(*Value.getNode(), G)) {
1059 OS << Value->getOperationName(G) << ':';
1060 Value->print_types(OS, G);
1061 Value->print_details(OS, G);
1062 return true;
1063 }
1064
1065 OS << PrintNodeId(*Value.getNode());
1066 if (unsigned RN = Value.getResNo())
1067 OS << ':' << RN;
1068 return false;
1069 }
1070
1071 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
1072 using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>;
1073
DumpNodesr(raw_ostream & OS,const SDNode * N,unsigned indent,const SelectionDAG * G,VisitedSDNodeSet & once)1074 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
1075 const SelectionDAG *G, VisitedSDNodeSet &once) {
1076 if (!once.insert(N).second) // If we've been here before, return now.
1077 return;
1078
1079 // Dump the current SDNode, but don't end the line yet.
1080 OS.indent(indent);
1081 N->printr(OS, G);
1082
1083 // Having printed this SDNode, walk the children:
1084 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
1085 if (i) OS << ",";
1086 OS << " ";
1087
1088 const SDValue Op = N->getOperand(i);
1089 bool printedInline = printOperand(OS, G, Op);
1090 if (printedInline)
1091 once.insert(Op.getNode());
1092 }
1093
1094 OS << "\n";
1095
1096 // Dump children that have grandchildren on their own line(s).
1097 for (const SDValue &Op : N->op_values())
1098 DumpNodesr(OS, Op.getNode(), indent+2, G, once);
1099 }
1100
dumpr() const1101 LLVM_DUMP_METHOD void SDNode::dumpr() const {
1102 VisitedSDNodeSet once;
1103 DumpNodesr(dbgs(), this, 0, nullptr, once);
1104 }
1105
dumpr(const SelectionDAG * G) const1106 LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const {
1107 VisitedSDNodeSet once;
1108 DumpNodesr(dbgs(), this, 0, G, once);
1109 }
1110 #endif
1111
printrWithDepthHelper(raw_ostream & OS,const SDNode * N,const SelectionDAG * G,unsigned depth,unsigned indent)1112 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
1113 const SelectionDAG *G, unsigned depth,
1114 unsigned indent) {
1115 if (depth == 0)
1116 return;
1117
1118 OS.indent(indent);
1119
1120 N->print(OS, G);
1121
1122 for (const SDValue &Op : N->op_values()) {
1123 // Don't follow chain operands.
1124 if (Op.getValueType() == MVT::Other)
1125 continue;
1126 OS << '\n';
1127 printrWithDepthHelper(OS, Op.getNode(), G, depth - 1, indent + 2);
1128 }
1129 }
1130
printrWithDepth(raw_ostream & OS,const SelectionDAG * G,unsigned depth) const1131 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
1132 unsigned depth) const {
1133 printrWithDepthHelper(OS, this, G, depth, 0);
1134 }
1135
printrFull(raw_ostream & OS,const SelectionDAG * G) const1136 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
1137 // Don't print impossibly deep things.
1138 printrWithDepth(OS, G, 10);
1139 }
1140
1141 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
1142 LLVM_DUMP_METHOD
dumprWithDepth(const SelectionDAG * G,unsigned depth) const1143 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
1144 printrWithDepth(dbgs(), G, depth);
1145 }
1146
dumprFull(const SelectionDAG * G) const1147 LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const {
1148 // Don't print impossibly deep things.
1149 dumprWithDepth(G, 10);
1150 }
1151 #endif
1152
print(raw_ostream & OS,const SelectionDAG * G) const1153 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
1154 printr(OS, G);
1155 // Under VerboseDAGDumping divergence will be printed always.
1156 if (isDivergent() && !VerboseDAGDumping)
1157 OS << " # D:1";
1158 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
1159 if (i) OS << ", "; else OS << " ";
1160 printOperand(OS, G, getOperand(i));
1161 }
1162 if (DebugLoc DL = getDebugLoc()) {
1163 OS << ", ";
1164 DL.print(OS);
1165 }
1166 }
1167