1 //===- SelectionDAGDumper.cpp - Implement SelectionDAG::dump() ------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This implements the SelectionDAG::dump method and friends.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/ADT/APFloat.h"
15 #include "llvm/ADT/APInt.h"
16 #include "llvm/ADT/None.h"
17 #include "llvm/ADT/SmallPtrSet.h"
18 #include "llvm/ADT/StringExtras.h"
19 #include "llvm/CodeGen/ISDOpcodes.h"
20 #include "llvm/CodeGen/MachineBasicBlock.h"
21 #include "llvm/CodeGen/MachineConstantPool.h"
22 #include "llvm/CodeGen/MachineMemOperand.h"
23 #include "llvm/CodeGen/SelectionDAG.h"
24 #include "llvm/CodeGen/SelectionDAGNodes.h"
25 #include "llvm/CodeGen/TargetInstrInfo.h"
26 #include "llvm/CodeGen/TargetLowering.h"
27 #include "llvm/CodeGen/TargetRegisterInfo.h"
28 #include "llvm/CodeGen/TargetSubtargetInfo.h"
29 #include "llvm/CodeGen/ValueTypes.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/MachineValueType.h"
45 #include "llvm/Support/Printable.h"
46 #include "llvm/Support/raw_ostream.h"
47 #include "llvm/Target/TargetIntrinsicInfo.h"
48 #include "llvm/Target/TargetMachine.h"
49 #include "SDNodeDbgValue.h"
50 #include <cstdint>
51 #include <iterator>
52
53 using namespace llvm;
54
55 static cl::opt<bool>
56 VerboseDAGDumping("dag-dump-verbose", cl::Hidden,
57 cl::desc("Display more information when dumping selection "
58 "DAG nodes."));
59
getOperationName(const SelectionDAG * G) const60 std::string SDNode::getOperationName(const SelectionDAG *G) const {
61 switch (getOpcode()) {
62 default:
63 if (getOpcode() < ISD::BUILTIN_OP_END)
64 return "<<Unknown DAG Node>>";
65 if (isMachineOpcode()) {
66 if (G)
67 if (const TargetInstrInfo *TII = G->getSubtarget().getInstrInfo())
68 if (getMachineOpcode() < TII->getNumOpcodes())
69 return TII->getName(getMachineOpcode());
70 return "<<Unknown Machine Node #" + utostr(getOpcode()) + ">>";
71 }
72 if (G) {
73 const TargetLowering &TLI = G->getTargetLoweringInfo();
74 const char *Name = TLI.getTargetNodeName(getOpcode());
75 if (Name) return Name;
76 return "<<Unknown Target Node #" + utostr(getOpcode()) + ">>";
77 }
78 return "<<Unknown Node #" + utostr(getOpcode()) + ">>";
79
80 #ifndef NDEBUG
81 case ISD::DELETED_NODE: return "<<Deleted Node!>>";
82 #endif
83 case ISD::PREFETCH: return "Prefetch";
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: return "AtomicLoad";
100 case ISD::ATOMIC_STORE: return "AtomicStore";
101 case ISD::PCMARKER: return "PCMarker";
102 case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
103 case ISD::SRCVALUE: return "SrcValue";
104 case ISD::MDNODE_SDNODE: return "MDNode";
105 case ISD::EntryToken: return "EntryToken";
106 case ISD::TokenFactor: return "TokenFactor";
107 case ISD::AssertSext: return "AssertSext";
108 case ISD::AssertZext: return "AssertZext";
109
110 case ISD::BasicBlock: return "BasicBlock";
111 case ISD::VALUETYPE: return "ValueType";
112 case ISD::Register: return "Register";
113 case ISD::RegisterMask: return "RegisterMask";
114 case ISD::Constant:
115 if (cast<ConstantSDNode>(this)->isOpaque())
116 return "OpaqueConstant";
117 return "Constant";
118 case ISD::ConstantFP: return "ConstantFP";
119 case ISD::GlobalAddress: return "GlobalAddress";
120 case ISD::GlobalTLSAddress: return "GlobalTLSAddress";
121 case ISD::FrameIndex: return "FrameIndex";
122 case ISD::JumpTable: return "JumpTable";
123 case ISD::GLOBAL_OFFSET_TABLE: return "GLOBAL_OFFSET_TABLE";
124 case ISD::RETURNADDR: return "RETURNADDR";
125 case ISD::ADDROFRETURNADDR: return "ADDROFRETURNADDR";
126 case ISD::FRAMEADDR: return "FRAMEADDR";
127 case ISD::SPONENTRY: return "SPONENTRY";
128 case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER";
129 case ISD::READ_REGISTER: return "READ_REGISTER";
130 case ISD::WRITE_REGISTER: return "WRITE_REGISTER";
131 case ISD::FRAME_TO_ARGS_OFFSET: return "FRAME_TO_ARGS_OFFSET";
132 case ISD::EH_DWARF_CFA: return "EH_DWARF_CFA";
133 case ISD::EH_RETURN: return "EH_RETURN";
134 case ISD::EH_SJLJ_SETJMP: return "EH_SJLJ_SETJMP";
135 case ISD::EH_SJLJ_LONGJMP: return "EH_SJLJ_LONGJMP";
136 case ISD::EH_SJLJ_SETUP_DISPATCH: return "EH_SJLJ_SETUP_DISPATCH";
137 case ISD::ConstantPool: return "ConstantPool";
138 case ISD::TargetIndex: return "TargetIndex";
139 case ISD::ExternalSymbol: return "ExternalSymbol";
140 case ISD::BlockAddress: return "BlockAddress";
141 case ISD::INTRINSIC_WO_CHAIN:
142 case ISD::INTRINSIC_VOID:
143 case ISD::INTRINSIC_W_CHAIN: {
144 unsigned OpNo = getOpcode() == ISD::INTRINSIC_WO_CHAIN ? 0 : 1;
145 unsigned IID = cast<ConstantSDNode>(getOperand(OpNo))->getZExtValue();
146 if (IID < Intrinsic::num_intrinsics)
147 return Intrinsic::getName((Intrinsic::ID)IID, None);
148 else if (const TargetIntrinsicInfo *TII = G->getTarget().getIntrinsicInfo())
149 return TII->getName(IID);
150 llvm_unreachable("Invalid intrinsic ID");
151 }
152
153 case ISD::BUILD_VECTOR: return "BUILD_VECTOR";
154 case ISD::TargetConstant:
155 if (cast<ConstantSDNode>(this)->isOpaque())
156 return "OpaqueTargetConstant";
157 return "TargetConstant";
158 case ISD::TargetConstantFP: return "TargetConstantFP";
159 case ISD::TargetGlobalAddress: return "TargetGlobalAddress";
160 case ISD::TargetGlobalTLSAddress: return "TargetGlobalTLSAddress";
161 case ISD::TargetFrameIndex: return "TargetFrameIndex";
162 case ISD::TargetJumpTable: return "TargetJumpTable";
163 case ISD::TargetConstantPool: return "TargetConstantPool";
164 case ISD::TargetExternalSymbol: return "TargetExternalSymbol";
165 case ISD::MCSymbol: return "MCSymbol";
166 case ISD::TargetBlockAddress: return "TargetBlockAddress";
167
168 case ISD::CopyToReg: return "CopyToReg";
169 case ISD::CopyFromReg: return "CopyFromReg";
170 case ISD::UNDEF: return "undef";
171 case ISD::MERGE_VALUES: return "merge_values";
172 case ISD::INLINEASM: return "inlineasm";
173 case ISD::EH_LABEL: return "eh_label";
174 case ISD::HANDLENODE: return "handlenode";
175
176 // Unary operators
177 case ISD::FABS: return "fabs";
178 case ISD::FMINNUM: return "fminnum";
179 case ISD::STRICT_FMINNUM: return "strict_fminnum";
180 case ISD::FMAXNUM: return "fmaxnum";
181 case ISD::STRICT_FMAXNUM: return "strict_fmaxnum";
182 case ISD::FMINNUM_IEEE: return "fminnum_ieee";
183 case ISD::FMAXNUM_IEEE: return "fmaxnum_ieee";
184 case ISD::FMINIMUM: return "fminimum";
185 case ISD::FMAXIMUM: return "fmaximum";
186 case ISD::FNEG: return "fneg";
187 case ISD::FSQRT: return "fsqrt";
188 case ISD::STRICT_FSQRT: return "strict_fsqrt";
189 case ISD::FCBRT: return "fcbrt";
190 case ISD::FSIN: return "fsin";
191 case ISD::STRICT_FSIN: return "strict_fsin";
192 case ISD::FCOS: return "fcos";
193 case ISD::STRICT_FCOS: return "strict_fcos";
194 case ISD::FSINCOS: return "fsincos";
195 case ISD::FTRUNC: return "ftrunc";
196 case ISD::STRICT_FTRUNC: return "strict_ftrunc";
197 case ISD::FFLOOR: return "ffloor";
198 case ISD::STRICT_FFLOOR: return "strict_ffloor";
199 case ISD::FCEIL: return "fceil";
200 case ISD::STRICT_FCEIL: return "strict_fceil";
201 case ISD::FRINT: return "frint";
202 case ISD::STRICT_FRINT: return "strict_frint";
203 case ISD::FNEARBYINT: return "fnearbyint";
204 case ISD::STRICT_FNEARBYINT: return "strict_fnearbyint";
205 case ISD::FROUND: return "fround";
206 case ISD::STRICT_FROUND: return "strict_fround";
207 case ISD::FEXP: return "fexp";
208 case ISD::STRICT_FEXP: return "strict_fexp";
209 case ISD::FEXP2: return "fexp2";
210 case ISD::STRICT_FEXP2: return "strict_fexp2";
211 case ISD::FLOG: return "flog";
212 case ISD::STRICT_FLOG: return "strict_flog";
213 case ISD::FLOG2: return "flog2";
214 case ISD::STRICT_FLOG2: return "strict_flog2";
215 case ISD::FLOG10: return "flog10";
216 case ISD::STRICT_FLOG10: return "strict_flog10";
217
218 // Binary operators
219 case ISD::ADD: return "add";
220 case ISD::SUB: return "sub";
221 case ISD::MUL: return "mul";
222 case ISD::MULHU: return "mulhu";
223 case ISD::MULHS: return "mulhs";
224 case ISD::SDIV: return "sdiv";
225 case ISD::UDIV: return "udiv";
226 case ISD::SREM: return "srem";
227 case ISD::UREM: return "urem";
228 case ISD::SMUL_LOHI: return "smul_lohi";
229 case ISD::UMUL_LOHI: return "umul_lohi";
230 case ISD::SDIVREM: return "sdivrem";
231 case ISD::UDIVREM: return "udivrem";
232 case ISD::AND: return "and";
233 case ISD::OR: return "or";
234 case ISD::XOR: return "xor";
235 case ISD::SHL: return "shl";
236 case ISD::SRA: return "sra";
237 case ISD::SRL: return "srl";
238 case ISD::ROTL: return "rotl";
239 case ISD::ROTR: return "rotr";
240 case ISD::FSHL: return "fshl";
241 case ISD::FSHR: return "fshr";
242 case ISD::FADD: return "fadd";
243 case ISD::STRICT_FADD: return "strict_fadd";
244 case ISD::FSUB: return "fsub";
245 case ISD::STRICT_FSUB: return "strict_fsub";
246 case ISD::FMUL: return "fmul";
247 case ISD::STRICT_FMUL: return "strict_fmul";
248 case ISD::FDIV: return "fdiv";
249 case ISD::STRICT_FDIV: return "strict_fdiv";
250 case ISD::FMA: return "fma";
251 case ISD::STRICT_FMA: return "strict_fma";
252 case ISD::FMAD: return "fmad";
253 case ISD::FREM: return "frem";
254 case ISD::STRICT_FREM: return "strict_frem";
255 case ISD::FCOPYSIGN: return "fcopysign";
256 case ISD::FGETSIGN: return "fgetsign";
257 case ISD::FCANONICALIZE: return "fcanonicalize";
258 case ISD::FPOW: return "fpow";
259 case ISD::STRICT_FPOW: return "strict_fpow";
260 case ISD::SMIN: return "smin";
261 case ISD::SMAX: return "smax";
262 case ISD::UMIN: return "umin";
263 case ISD::UMAX: return "umax";
264
265 case ISD::FPOWI: return "fpowi";
266 case ISD::STRICT_FPOWI: return "strict_fpowi";
267 case ISD::SETCC: return "setcc";
268 case ISD::SETCCCARRY: return "setcccarry";
269 case ISD::SELECT: return "select";
270 case ISD::VSELECT: return "vselect";
271 case ISD::SELECT_CC: return "select_cc";
272 case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt";
273 case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt";
274 case ISD::CONCAT_VECTORS: return "concat_vectors";
275 case ISD::INSERT_SUBVECTOR: return "insert_subvector";
276 case ISD::EXTRACT_SUBVECTOR: return "extract_subvector";
277 case ISD::SCALAR_TO_VECTOR: return "scalar_to_vector";
278 case ISD::VECTOR_SHUFFLE: return "vector_shuffle";
279 case ISD::CARRY_FALSE: return "carry_false";
280 case ISD::ADDC: return "addc";
281 case ISD::ADDE: return "adde";
282 case ISD::ADDCARRY: return "addcarry";
283 case ISD::SADDO: return "saddo";
284 case ISD::UADDO: return "uaddo";
285 case ISD::SSUBO: return "ssubo";
286 case ISD::USUBO: return "usubo";
287 case ISD::SMULO: return "smulo";
288 case ISD::UMULO: return "umulo";
289 case ISD::SUBC: return "subc";
290 case ISD::SUBE: return "sube";
291 case ISD::SUBCARRY: return "subcarry";
292 case ISD::SHL_PARTS: return "shl_parts";
293 case ISD::SRA_PARTS: return "sra_parts";
294 case ISD::SRL_PARTS: return "srl_parts";
295
296 case ISD::SADDSAT: return "saddsat";
297 case ISD::UADDSAT: return "uaddsat";
298 case ISD::SSUBSAT: return "ssubsat";
299 case ISD::USUBSAT: return "usubsat";
300 case ISD::SMULFIX: return "smulfix";
301
302 // Conversion operators.
303 case ISD::SIGN_EXTEND: return "sign_extend";
304 case ISD::ZERO_EXTEND: return "zero_extend";
305 case ISD::ANY_EXTEND: return "any_extend";
306 case ISD::SIGN_EXTEND_INREG: return "sign_extend_inreg";
307 case ISD::ANY_EXTEND_VECTOR_INREG: return "any_extend_vector_inreg";
308 case ISD::SIGN_EXTEND_VECTOR_INREG: return "sign_extend_vector_inreg";
309 case ISD::ZERO_EXTEND_VECTOR_INREG: return "zero_extend_vector_inreg";
310 case ISD::TRUNCATE: return "truncate";
311 case ISD::FP_ROUND: return "fp_round";
312 case ISD::FLT_ROUNDS_: return "flt_rounds";
313 case ISD::FP_ROUND_INREG: return "fp_round_inreg";
314 case ISD::FP_EXTEND: return "fp_extend";
315
316 case ISD::SINT_TO_FP: return "sint_to_fp";
317 case ISD::UINT_TO_FP: return "uint_to_fp";
318 case ISD::FP_TO_SINT: return "fp_to_sint";
319 case ISD::FP_TO_UINT: return "fp_to_uint";
320 case ISD::BITCAST: return "bitcast";
321 case ISD::ADDRSPACECAST: return "addrspacecast";
322 case ISD::FP16_TO_FP: return "fp16_to_fp";
323 case ISD::FP_TO_FP16: return "fp_to_fp16";
324
325 // Control flow instructions
326 case ISD::BR: return "br";
327 case ISD::BRIND: return "brind";
328 case ISD::BR_JT: return "br_jt";
329 case ISD::BRCOND: return "brcond";
330 case ISD::BR_CC: return "br_cc";
331 case ISD::CALLSEQ_START: return "callseq_start";
332 case ISD::CALLSEQ_END: return "callseq_end";
333
334 // EH instructions
335 case ISD::CATCHRET: return "catchret";
336 case ISD::CLEANUPRET: return "cleanupret";
337
338 // Other operators
339 case ISD::LOAD: return "load";
340 case ISD::STORE: return "store";
341 case ISD::MLOAD: return "masked_load";
342 case ISD::MSTORE: return "masked_store";
343 case ISD::MGATHER: return "masked_gather";
344 case ISD::MSCATTER: return "masked_scatter";
345 case ISD::VAARG: return "vaarg";
346 case ISD::VACOPY: return "vacopy";
347 case ISD::VAEND: return "vaend";
348 case ISD::VASTART: return "vastart";
349 case ISD::DYNAMIC_STACKALLOC: return "dynamic_stackalloc";
350 case ISD::EXTRACT_ELEMENT: return "extract_element";
351 case ISD::BUILD_PAIR: return "build_pair";
352 case ISD::STACKSAVE: return "stacksave";
353 case ISD::STACKRESTORE: return "stackrestore";
354 case ISD::TRAP: return "trap";
355 case ISD::DEBUGTRAP: return "debugtrap";
356 case ISD::LIFETIME_START: return "lifetime.start";
357 case ISD::LIFETIME_END: return "lifetime.end";
358 case ISD::GC_TRANSITION_START: return "gc_transition.start";
359 case ISD::GC_TRANSITION_END: return "gc_transition.end";
360 case ISD::GET_DYNAMIC_AREA_OFFSET: return "get.dynamic.area.offset";
361
362 // Bit manipulation
363 case ISD::ABS: return "abs";
364 case ISD::BITREVERSE: return "bitreverse";
365 case ISD::BSWAP: return "bswap";
366 case ISD::CTPOP: return "ctpop";
367 case ISD::CTTZ: return "cttz";
368 case ISD::CTTZ_ZERO_UNDEF: return "cttz_zero_undef";
369 case ISD::CTLZ: return "ctlz";
370 case ISD::CTLZ_ZERO_UNDEF: return "ctlz_zero_undef";
371
372 // Trampolines
373 case ISD::INIT_TRAMPOLINE: return "init_trampoline";
374 case ISD::ADJUST_TRAMPOLINE: return "adjust_trampoline";
375
376 case ISD::CONDCODE:
377 switch (cast<CondCodeSDNode>(this)->get()) {
378 default: llvm_unreachable("Unknown setcc condition!");
379 case ISD::SETOEQ: return "setoeq";
380 case ISD::SETOGT: return "setogt";
381 case ISD::SETOGE: return "setoge";
382 case ISD::SETOLT: return "setolt";
383 case ISD::SETOLE: return "setole";
384 case ISD::SETONE: return "setone";
385
386 case ISD::SETO: return "seto";
387 case ISD::SETUO: return "setuo";
388 case ISD::SETUEQ: return "setueq";
389 case ISD::SETUGT: return "setugt";
390 case ISD::SETUGE: return "setuge";
391 case ISD::SETULT: return "setult";
392 case ISD::SETULE: return "setule";
393 case ISD::SETUNE: return "setune";
394
395 case ISD::SETEQ: return "seteq";
396 case ISD::SETGT: return "setgt";
397 case ISD::SETGE: return "setge";
398 case ISD::SETLT: return "setlt";
399 case ISD::SETLE: return "setle";
400 case ISD::SETNE: return "setne";
401
402 case ISD::SETTRUE: return "settrue";
403 case ISD::SETTRUE2: return "settrue2";
404 case ISD::SETFALSE: return "setfalse";
405 case ISD::SETFALSE2: return "setfalse2";
406 }
407 case ISD::VECREDUCE_FADD: return "vecreduce_fadd";
408 case ISD::VECREDUCE_STRICT_FADD: return "vecreduce_strict_fadd";
409 case ISD::VECREDUCE_FMUL: return "vecreduce_fmul";
410 case ISD::VECREDUCE_STRICT_FMUL: return "vecreduce_strict_fmul";
411 case ISD::VECREDUCE_ADD: return "vecreduce_add";
412 case ISD::VECREDUCE_MUL: return "vecreduce_mul";
413 case ISD::VECREDUCE_AND: return "vecreduce_and";
414 case ISD::VECREDUCE_OR: return "vecreduce_or";
415 case ISD::VECREDUCE_XOR: return "vecreduce_xor";
416 case ISD::VECREDUCE_SMAX: return "vecreduce_smax";
417 case ISD::VECREDUCE_SMIN: return "vecreduce_smin";
418 case ISD::VECREDUCE_UMAX: return "vecreduce_umax";
419 case ISD::VECREDUCE_UMIN: return "vecreduce_umin";
420 case ISD::VECREDUCE_FMAX: return "vecreduce_fmax";
421 case ISD::VECREDUCE_FMIN: return "vecreduce_fmin";
422 }
423 }
424
getIndexedModeName(ISD::MemIndexedMode AM)425 const char *SDNode::getIndexedModeName(ISD::MemIndexedMode AM) {
426 switch (AM) {
427 default: return "";
428 case ISD::PRE_INC: return "<pre-inc>";
429 case ISD::PRE_DEC: return "<pre-dec>";
430 case ISD::POST_INC: return "<post-inc>";
431 case ISD::POST_DEC: return "<post-dec>";
432 }
433 }
434
PrintNodeId(const SDNode & Node)435 static Printable PrintNodeId(const SDNode &Node) {
436 return Printable([&Node](raw_ostream &OS) {
437 #ifndef NDEBUG
438 OS << 't' << Node.PersistentId;
439 #else
440 OS << (const void*)&Node;
441 #endif
442 });
443 }
444
445 // 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)446 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
447 const MachineFunction *MF, const Module *M,
448 const MachineFrameInfo *MFI,
449 const TargetInstrInfo *TII, LLVMContext &Ctx) {
450 ModuleSlotTracker MST(M);
451 if (MF)
452 MST.incorporateFunction(MF->getFunction());
453 SmallVector<StringRef, 0> SSNs;
454 MMO.print(OS, MST, SSNs, Ctx, MFI, TII);
455 }
456
printMemOperand(raw_ostream & OS,const MachineMemOperand & MMO,const SelectionDAG * G)457 static void printMemOperand(raw_ostream &OS, const MachineMemOperand &MMO,
458 const SelectionDAG *G) {
459 if (G) {
460 const MachineFunction *MF = &G->getMachineFunction();
461 return printMemOperand(OS, MMO, MF, MF->getFunction().getParent(),
462 &MF->getFrameInfo(), G->getSubtarget().getInstrInfo(),
463 *G->getContext());
464 } else {
465 LLVMContext Ctx;
466 return printMemOperand(OS, MMO, /*MF=*/nullptr, /*M=*/nullptr,
467 /*MFI=*/nullptr, /*TII=*/nullptr, Ctx);
468 }
469 }
470
471 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
dump() const472 LLVM_DUMP_METHOD void SDNode::dump() const { dump(nullptr); }
473
dump(const SelectionDAG * G) const474 LLVM_DUMP_METHOD void SDNode::dump(const SelectionDAG *G) const {
475 print(dbgs(), G);
476 dbgs() << '\n';
477 }
478 #endif
479
print_types(raw_ostream & OS,const SelectionDAG * G) const480 void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
481 for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
482 if (i) OS << ",";
483 if (getValueType(i) == MVT::Other)
484 OS << "ch";
485 else
486 OS << getValueType(i).getEVTString();
487 }
488 }
489
print_details(raw_ostream & OS,const SelectionDAG * G) const490 void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
491 if (getFlags().hasNoUnsignedWrap())
492 OS << " nuw";
493
494 if (getFlags().hasNoSignedWrap())
495 OS << " nsw";
496
497 if (getFlags().hasExact())
498 OS << " exact";
499
500 if (getFlags().hasNoNaNs())
501 OS << " nnan";
502
503 if (getFlags().hasNoInfs())
504 OS << " ninf";
505
506 if (getFlags().hasNoSignedZeros())
507 OS << " nsz";
508
509 if (getFlags().hasAllowReciprocal())
510 OS << " arcp";
511
512 if (getFlags().hasAllowContract())
513 OS << " contract";
514
515 if (getFlags().hasApproximateFuncs())
516 OS << " afn";
517
518 if (getFlags().hasAllowReassociation())
519 OS << " reassoc";
520
521 if (getFlags().hasVectorReduction())
522 OS << " vector-reduction";
523
524 if (const MachineSDNode *MN = dyn_cast<MachineSDNode>(this)) {
525 if (!MN->memoperands_empty()) {
526 OS << "<";
527 OS << "Mem:";
528 for (MachineSDNode::mmo_iterator i = MN->memoperands_begin(),
529 e = MN->memoperands_end(); i != e; ++i) {
530 printMemOperand(OS, **i, G);
531 if (std::next(i) != e)
532 OS << " ";
533 }
534 OS << ">";
535 }
536 } else if (const ShuffleVectorSDNode *SVN =
537 dyn_cast<ShuffleVectorSDNode>(this)) {
538 OS << "<";
539 for (unsigned i = 0, e = ValueList[0].getVectorNumElements(); i != e; ++i) {
540 int Idx = SVN->getMaskElt(i);
541 if (i) OS << ",";
542 if (Idx < 0)
543 OS << "u";
544 else
545 OS << Idx;
546 }
547 OS << ">";
548 } else if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
549 OS << '<' << CSDN->getAPIntValue() << '>';
550 } else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
551 if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEsingle())
552 OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
553 else if (&CSDN->getValueAPF().getSemantics() == &APFloat::IEEEdouble())
554 OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
555 else {
556 OS << "<APFloat(";
557 CSDN->getValueAPF().bitcastToAPInt().print(OS, false);
558 OS << ")>";
559 }
560 } else if (const GlobalAddressSDNode *GADN =
561 dyn_cast<GlobalAddressSDNode>(this)) {
562 int64_t offset = GADN->getOffset();
563 OS << '<';
564 GADN->getGlobal()->printAsOperand(OS);
565 OS << '>';
566 if (offset > 0)
567 OS << " + " << offset;
568 else
569 OS << " " << offset;
570 if (unsigned int TF = GADN->getTargetFlags())
571 OS << " [TF=" << TF << ']';
572 } else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
573 OS << "<" << FIDN->getIndex() << ">";
574 } else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
575 OS << "<" << JTDN->getIndex() << ">";
576 if (unsigned int TF = JTDN->getTargetFlags())
577 OS << " [TF=" << TF << ']';
578 } else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
579 int offset = CP->getOffset();
580 if (CP->isMachineConstantPoolEntry())
581 OS << "<" << *CP->getMachineCPVal() << ">";
582 else
583 OS << "<" << *CP->getConstVal() << ">";
584 if (offset > 0)
585 OS << " + " << offset;
586 else
587 OS << " " << offset;
588 if (unsigned int TF = CP->getTargetFlags())
589 OS << " [TF=" << TF << ']';
590 } else if (const TargetIndexSDNode *TI = dyn_cast<TargetIndexSDNode>(this)) {
591 OS << "<" << TI->getIndex() << '+' << TI->getOffset() << ">";
592 if (unsigned TF = TI->getTargetFlags())
593 OS << " [TF=" << TF << ']';
594 } else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
595 OS << "<";
596 const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
597 if (LBB)
598 OS << LBB->getName() << " ";
599 OS << (const void*)BBDN->getBasicBlock() << ">";
600 } else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
601 OS << ' ' << printReg(R->getReg(),
602 G ? G->getSubtarget().getRegisterInfo() : nullptr);
603 } else if (const ExternalSymbolSDNode *ES =
604 dyn_cast<ExternalSymbolSDNode>(this)) {
605 OS << "'" << ES->getSymbol() << "'";
606 if (unsigned int TF = ES->getTargetFlags())
607 OS << " [TF=" << TF << ']';
608 } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
609 if (M->getValue())
610 OS << "<" << M->getValue() << ">";
611 else
612 OS << "<null>";
613 } else if (const MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(this)) {
614 if (MD->getMD())
615 OS << "<" << MD->getMD() << ">";
616 else
617 OS << "<null>";
618 } else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
619 OS << ":" << N->getVT().getEVTString();
620 }
621 else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
622 OS << "<";
623
624 printMemOperand(OS, *LD->getMemOperand(), G);
625
626 bool doExt = true;
627 switch (LD->getExtensionType()) {
628 default: doExt = false; break;
629 case ISD::EXTLOAD: OS << ", anyext"; break;
630 case ISD::SEXTLOAD: OS << ", sext"; break;
631 case ISD::ZEXTLOAD: OS << ", zext"; break;
632 }
633 if (doExt)
634 OS << " from " << LD->getMemoryVT().getEVTString();
635
636 const char *AM = getIndexedModeName(LD->getAddressingMode());
637 if (*AM)
638 OS << ", " << AM;
639
640 OS << ">";
641 } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
642 OS << "<";
643 printMemOperand(OS, *ST->getMemOperand(), G);
644
645 if (ST->isTruncatingStore())
646 OS << ", trunc to " << ST->getMemoryVT().getEVTString();
647
648 const char *AM = getIndexedModeName(ST->getAddressingMode());
649 if (*AM)
650 OS << ", " << AM;
651
652 OS << ">";
653 } else if (const MemSDNode* M = dyn_cast<MemSDNode>(this)) {
654 OS << "<";
655 printMemOperand(OS, *M->getMemOperand(), G);
656 OS << ">";
657 } else if (const BlockAddressSDNode *BA =
658 dyn_cast<BlockAddressSDNode>(this)) {
659 int64_t offset = BA->getOffset();
660 OS << "<";
661 BA->getBlockAddress()->getFunction()->printAsOperand(OS, false);
662 OS << ", ";
663 BA->getBlockAddress()->getBasicBlock()->printAsOperand(OS, false);
664 OS << ">";
665 if (offset > 0)
666 OS << " + " << offset;
667 else
668 OS << " " << offset;
669 if (unsigned int TF = BA->getTargetFlags())
670 OS << " [TF=" << TF << ']';
671 } else if (const AddrSpaceCastSDNode *ASC =
672 dyn_cast<AddrSpaceCastSDNode>(this)) {
673 OS << '['
674 << ASC->getSrcAddressSpace()
675 << " -> "
676 << ASC->getDestAddressSpace()
677 << ']';
678 }
679
680 if (VerboseDAGDumping) {
681 if (unsigned Order = getIROrder())
682 OS << " [ORD=" << Order << ']';
683
684 if (getNodeId() != -1)
685 OS << " [ID=" << getNodeId() << ']';
686 if (!(isa<ConstantSDNode>(this) || (isa<ConstantFPSDNode>(this))))
687 OS << "# D:" << isDivergent();
688
689 if (!G)
690 return;
691
692 DILocation *L = getDebugLoc();
693 if (!L)
694 return;
695
696 if (auto *Scope = L->getScope())
697 OS << Scope->getFilename();
698 else
699 OS << "<unknown>";
700 OS << ':' << L->getLine();
701 if (unsigned C = L->getColumn())
702 OS << ':' << C;
703
704 for (SDDbgValue *Dbg : G->GetDbgValues(this)) {
705 if (Dbg->getKind() != SDDbgValue::SDNODE || Dbg->isInvalidated())
706 continue;
707 Dbg->dump(OS);
708 }
709 }
710 }
711
dump(raw_ostream & OS) const712 LLVM_DUMP_METHOD void SDDbgValue::dump(raw_ostream &OS) const {
713 OS << " DbgVal";
714 if (kind==SDNODE)
715 OS << '(' << u.s.ResNo << ')';
716 OS << ":\"" << Var->getName() << '"';
717 #ifndef NDEBUG
718 if (Expr->getNumElements())
719 Expr->dump();
720 #endif
721 }
722
723 /// Return true if this node is so simple that we should just print it inline
724 /// if it appears as an operand.
shouldPrintInline(const SDNode & Node)725 static bool shouldPrintInline(const SDNode &Node) {
726 if (Node.getOpcode() == ISD::EntryToken)
727 return false;
728 return Node.getNumOperands() == 0;
729 }
730
731 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
DumpNodes(const SDNode * N,unsigned indent,const SelectionDAG * G)732 static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
733 for (const SDValue &Op : N->op_values()) {
734 if (shouldPrintInline(*Op.getNode()))
735 continue;
736 if (Op.getNode()->hasOneUse())
737 DumpNodes(Op.getNode(), indent+2, G);
738 }
739
740 dbgs().indent(indent);
741 N->dump(G);
742 }
743
dump() const744 LLVM_DUMP_METHOD void SelectionDAG::dump() const {
745 dbgs() << "SelectionDAG has " << AllNodes.size() << " nodes:\n";
746
747 for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
748 I != E; ++I) {
749 const SDNode *N = &*I;
750 if (!N->hasOneUse() && N != getRoot().getNode() &&
751 (!shouldPrintInline(*N) || N->use_empty()))
752 DumpNodes(N, 2, this);
753 }
754
755 if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
756 dbgs() << "\n\n";
757 }
758 #endif
759
printr(raw_ostream & OS,const SelectionDAG * G) const760 void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
761 OS << PrintNodeId(*this) << ": ";
762 print_types(OS, G);
763 OS << " = " << getOperationName(G);
764 print_details(OS, G);
765 }
766
printOperand(raw_ostream & OS,const SelectionDAG * G,const SDValue Value)767 static bool printOperand(raw_ostream &OS, const SelectionDAG *G,
768 const SDValue Value) {
769 if (!Value.getNode()) {
770 OS << "<null>";
771 return false;
772 } else if (shouldPrintInline(*Value.getNode())) {
773 OS << Value->getOperationName(G) << ':';
774 Value->print_types(OS, G);
775 Value->print_details(OS, G);
776 return true;
777 } else {
778 OS << PrintNodeId(*Value.getNode());
779 if (unsigned RN = Value.getResNo())
780 OS << ':' << RN;
781 return false;
782 }
783 }
784
785 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
786 using VisitedSDNodeSet = SmallPtrSet<const SDNode *, 32>;
787
DumpNodesr(raw_ostream & OS,const SDNode * N,unsigned indent,const SelectionDAG * G,VisitedSDNodeSet & once)788 static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent,
789 const SelectionDAG *G, VisitedSDNodeSet &once) {
790 if (!once.insert(N).second) // If we've been here before, return now.
791 return;
792
793 // Dump the current SDNode, but don't end the line yet.
794 OS.indent(indent);
795 N->printr(OS, G);
796
797 // Having printed this SDNode, walk the children:
798 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
799 if (i) OS << ",";
800 OS << " ";
801
802 const SDValue Op = N->getOperand(i);
803 bool printedInline = printOperand(OS, G, Op);
804 if (printedInline)
805 once.insert(Op.getNode());
806 }
807
808 OS << "\n";
809
810 // Dump children that have grandchildren on their own line(s).
811 for (const SDValue &Op : N->op_values())
812 DumpNodesr(OS, Op.getNode(), indent+2, G, once);
813 }
814
dumpr() const815 LLVM_DUMP_METHOD void SDNode::dumpr() const {
816 VisitedSDNodeSet once;
817 DumpNodesr(dbgs(), this, 0, nullptr, once);
818 }
819
dumpr(const SelectionDAG * G) const820 LLVM_DUMP_METHOD void SDNode::dumpr(const SelectionDAG *G) const {
821 VisitedSDNodeSet once;
822 DumpNodesr(dbgs(), this, 0, G, once);
823 }
824 #endif
825
printrWithDepthHelper(raw_ostream & OS,const SDNode * N,const SelectionDAG * G,unsigned depth,unsigned indent)826 static void printrWithDepthHelper(raw_ostream &OS, const SDNode *N,
827 const SelectionDAG *G, unsigned depth,
828 unsigned indent) {
829 if (depth == 0)
830 return;
831
832 OS.indent(indent);
833
834 N->print(OS, G);
835
836 if (depth < 1)
837 return;
838
839 for (const SDValue &Op : N->op_values()) {
840 // Don't follow chain operands.
841 if (Op.getValueType() == MVT::Other)
842 continue;
843 OS << '\n';
844 printrWithDepthHelper(OS, Op.getNode(), G, depth-1, indent+2);
845 }
846 }
847
printrWithDepth(raw_ostream & OS,const SelectionDAG * G,unsigned depth) const848 void SDNode::printrWithDepth(raw_ostream &OS, const SelectionDAG *G,
849 unsigned depth) const {
850 printrWithDepthHelper(OS, this, G, depth, 0);
851 }
852
printrFull(raw_ostream & OS,const SelectionDAG * G) const853 void SDNode::printrFull(raw_ostream &OS, const SelectionDAG *G) const {
854 // Don't print impossibly deep things.
855 printrWithDepth(OS, G, 10);
856 }
857
858 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
859 LLVM_DUMP_METHOD
dumprWithDepth(const SelectionDAG * G,unsigned depth) const860 void SDNode::dumprWithDepth(const SelectionDAG *G, unsigned depth) const {
861 printrWithDepth(dbgs(), G, depth);
862 }
863
dumprFull(const SelectionDAG * G) const864 LLVM_DUMP_METHOD void SDNode::dumprFull(const SelectionDAG *G) const {
865 // Don't print impossibly deep things.
866 dumprWithDepth(G, 10);
867 }
868 #endif
869
print(raw_ostream & OS,const SelectionDAG * G) const870 void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
871 printr(OS, G);
872 for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
873 if (i) OS << ", "; else OS << " ";
874 printOperand(OS, G, getOperand(i));
875 }
876 if (DebugLoc DL = getDebugLoc()) {
877 OS << ", ";
878 DL.print(OS);
879 }
880 }
881