xref: /freebsd/contrib/llvm-project/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h (revision 069ac18495ad8fde2748bc94b0f80a50250bb01d)
1 //==- WebAssemblyMCTargetDesc.h - WebAssembly Target Descriptions -*- C++ -*-=//
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 /// \file
10 /// This file provides WebAssembly-specific target descriptions.
11 ///
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
15 #define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
16 
17 #include "../WebAssemblySubtarget.h"
18 #include "llvm/BinaryFormat/Wasm.h"
19 #include "llvm/MC/MCContext.h"
20 #include "llvm/MC/MCInstrDesc.h"
21 #include "llvm/Support/DataTypes.h"
22 #include <memory>
23 
24 namespace llvm {
25 
26 class MCAsmBackend;
27 class MCCodeEmitter;
28 class MCInstrInfo;
29 class MCObjectTargetWriter;
30 class Triple;
31 
32 MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII,
33                                               MCContext &Ctx);
34 
35 MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);
36 
37 std::unique_ptr<MCObjectTargetWriter>
38 createWebAssemblyWasmObjectWriter(bool Is64Bit, bool IsEmscripten);
39 
40 namespace WebAssembly {
41 
42 // Exception handling / setjmp-longjmp handling command-line options
43 extern cl::opt<bool> WasmEnableEmEH;   // asm.js-style EH
44 extern cl::opt<bool> WasmEnableEmSjLj; // asm.js-style SjLJ
45 extern cl::opt<bool> WasmEnableEH;     // EH using Wasm EH instructions
46 extern cl::opt<bool> WasmEnableSjLj;   // SjLj using Wasm EH instructions
47 
48 enum OperandType {
49   /// Basic block label in a branch construct.
50   OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET,
51   /// Local index.
52   OPERAND_LOCAL,
53   /// Global index.
54   OPERAND_GLOBAL,
55   /// 32-bit integer immediates.
56   OPERAND_I32IMM,
57   /// 64-bit integer immediates.
58   OPERAND_I64IMM,
59   /// 32-bit floating-point immediates.
60   OPERAND_F32IMM,
61   /// 64-bit floating-point immediates.
62   OPERAND_F64IMM,
63   /// 8-bit vector lane immediate
64   OPERAND_VEC_I8IMM,
65   /// 16-bit vector lane immediate
66   OPERAND_VEC_I16IMM,
67   /// 32-bit vector lane immediate
68   OPERAND_VEC_I32IMM,
69   /// 64-bit vector lane immediate
70   OPERAND_VEC_I64IMM,
71   /// 32-bit unsigned function indices.
72   OPERAND_FUNCTION32,
73   /// 32-bit unsigned memory offsets.
74   OPERAND_OFFSET32,
75   /// 64-bit unsigned memory offsets.
76   OPERAND_OFFSET64,
77   /// p2align immediate for load and store address alignment.
78   OPERAND_P2ALIGN,
79   /// signature immediate for block/loop.
80   OPERAND_SIGNATURE,
81   /// type signature immediate for call_indirect.
82   OPERAND_TYPEINDEX,
83   /// Tag index.
84   OPERAND_TAG,
85   /// A list of branch targets for br_list.
86   OPERAND_BRLIST,
87   /// 32-bit unsigned table number.
88   OPERAND_TABLE,
89 };
90 } // end namespace WebAssembly
91 
92 namespace WebAssemblyII {
93 
94 /// Target Operand Flag enum.
95 enum TOF {
96   MO_NO_FLAG = 0,
97 
98   // On a symbol operand this indicates that the immediate is a wasm global
99   // index.  The value of the wasm global will be set to the symbol address at
100   // runtime.  This adds a level of indirection similar to the GOT on native
101   // platforms.
102   MO_GOT,
103 
104   // Same as MO_GOT but the address stored in the global is a TLS address.
105   MO_GOT_TLS,
106 
107   // On a symbol operand this indicates that the immediate is the symbol
108   // address relative the __memory_base wasm global.
109   // Only applicable to data symbols.
110   MO_MEMORY_BASE_REL,
111 
112   // On a symbol operand this indicates that the immediate is the symbol
113   // address relative the __tls_base wasm global.
114   // Only applicable to data symbols.
115   MO_TLS_BASE_REL,
116 
117   // On a symbol operand this indicates that the immediate is the symbol
118   // address relative the __table_base wasm global.
119   // Only applicable to function symbols.
120   MO_TABLE_BASE_REL,
121 };
122 
123 } // end namespace WebAssemblyII
124 
125 } // end namespace llvm
126 
127 // Defines symbolic names for WebAssembly registers. This defines a mapping from
128 // register name to register number.
129 //
130 #define GET_REGINFO_ENUM
131 #include "WebAssemblyGenRegisterInfo.inc"
132 
133 // Defines symbolic names for the WebAssembly instructions.
134 //
135 #define GET_INSTRINFO_ENUM
136 #define GET_INSTRINFO_MC_HELPER_DECLS
137 #include "WebAssemblyGenInstrInfo.inc"
138 
139 namespace llvm {
140 namespace WebAssembly {
141 
142 /// Instruction opcodes emitted via means other than CodeGen.
143 static const unsigned Nop = 0x01;
144 static const unsigned End = 0x0b;
145 
146 /// Return the default p2align value for a load or store with the given opcode.
147 inline unsigned GetDefaultP2AlignAny(unsigned Opc) {
148   switch (Opc) {
149 #define WASM_LOAD_STORE(NAME) \
150   case WebAssembly::NAME##_A32: \
151   case WebAssembly::NAME##_A64: \
152   case WebAssembly::NAME##_A32_S: \
153   case WebAssembly::NAME##_A64_S:
154   WASM_LOAD_STORE(LOAD8_S_I32)
155   WASM_LOAD_STORE(LOAD8_U_I32)
156   WASM_LOAD_STORE(LOAD8_S_I64)
157   WASM_LOAD_STORE(LOAD8_U_I64)
158   WASM_LOAD_STORE(ATOMIC_LOAD8_U_I32)
159   WASM_LOAD_STORE(ATOMIC_LOAD8_U_I64)
160   WASM_LOAD_STORE(STORE8_I32)
161   WASM_LOAD_STORE(STORE8_I64)
162   WASM_LOAD_STORE(ATOMIC_STORE8_I32)
163   WASM_LOAD_STORE(ATOMIC_STORE8_I64)
164   WASM_LOAD_STORE(ATOMIC_RMW8_U_ADD_I32)
165   WASM_LOAD_STORE(ATOMIC_RMW8_U_ADD_I64)
166   WASM_LOAD_STORE(ATOMIC_RMW8_U_SUB_I32)
167   WASM_LOAD_STORE(ATOMIC_RMW8_U_SUB_I64)
168   WASM_LOAD_STORE(ATOMIC_RMW8_U_AND_I32)
169   WASM_LOAD_STORE(ATOMIC_RMW8_U_AND_I64)
170   WASM_LOAD_STORE(ATOMIC_RMW8_U_OR_I32)
171   WASM_LOAD_STORE(ATOMIC_RMW8_U_OR_I64)
172   WASM_LOAD_STORE(ATOMIC_RMW8_U_XOR_I32)
173   WASM_LOAD_STORE(ATOMIC_RMW8_U_XOR_I64)
174   WASM_LOAD_STORE(ATOMIC_RMW8_U_XCHG_I32)
175   WASM_LOAD_STORE(ATOMIC_RMW8_U_XCHG_I64)
176   WASM_LOAD_STORE(ATOMIC_RMW8_U_CMPXCHG_I32)
177   WASM_LOAD_STORE(ATOMIC_RMW8_U_CMPXCHG_I64)
178   WASM_LOAD_STORE(LOAD8_SPLAT)
179   WASM_LOAD_STORE(LOAD_LANE_I8x16)
180   WASM_LOAD_STORE(STORE_LANE_I8x16)
181   return 0;
182   WASM_LOAD_STORE(LOAD16_S_I32)
183   WASM_LOAD_STORE(LOAD16_U_I32)
184   WASM_LOAD_STORE(LOAD16_S_I64)
185   WASM_LOAD_STORE(LOAD16_U_I64)
186   WASM_LOAD_STORE(ATOMIC_LOAD16_U_I32)
187   WASM_LOAD_STORE(ATOMIC_LOAD16_U_I64)
188   WASM_LOAD_STORE(STORE16_I32)
189   WASM_LOAD_STORE(STORE16_I64)
190   WASM_LOAD_STORE(ATOMIC_STORE16_I32)
191   WASM_LOAD_STORE(ATOMIC_STORE16_I64)
192   WASM_LOAD_STORE(ATOMIC_RMW16_U_ADD_I32)
193   WASM_LOAD_STORE(ATOMIC_RMW16_U_ADD_I64)
194   WASM_LOAD_STORE(ATOMIC_RMW16_U_SUB_I32)
195   WASM_LOAD_STORE(ATOMIC_RMW16_U_SUB_I64)
196   WASM_LOAD_STORE(ATOMIC_RMW16_U_AND_I32)
197   WASM_LOAD_STORE(ATOMIC_RMW16_U_AND_I64)
198   WASM_LOAD_STORE(ATOMIC_RMW16_U_OR_I32)
199   WASM_LOAD_STORE(ATOMIC_RMW16_U_OR_I64)
200   WASM_LOAD_STORE(ATOMIC_RMW16_U_XOR_I32)
201   WASM_LOAD_STORE(ATOMIC_RMW16_U_XOR_I64)
202   WASM_LOAD_STORE(ATOMIC_RMW16_U_XCHG_I32)
203   WASM_LOAD_STORE(ATOMIC_RMW16_U_XCHG_I64)
204   WASM_LOAD_STORE(ATOMIC_RMW16_U_CMPXCHG_I32)
205   WASM_LOAD_STORE(ATOMIC_RMW16_U_CMPXCHG_I64)
206   WASM_LOAD_STORE(LOAD16_SPLAT)
207   WASM_LOAD_STORE(LOAD_LANE_I16x8)
208   WASM_LOAD_STORE(STORE_LANE_I16x8)
209   return 1;
210   WASM_LOAD_STORE(LOAD_I32)
211   WASM_LOAD_STORE(LOAD_F32)
212   WASM_LOAD_STORE(STORE_I32)
213   WASM_LOAD_STORE(STORE_F32)
214   WASM_LOAD_STORE(LOAD32_S_I64)
215   WASM_LOAD_STORE(LOAD32_U_I64)
216   WASM_LOAD_STORE(STORE32_I64)
217   WASM_LOAD_STORE(ATOMIC_LOAD_I32)
218   WASM_LOAD_STORE(ATOMIC_LOAD32_U_I64)
219   WASM_LOAD_STORE(ATOMIC_STORE_I32)
220   WASM_LOAD_STORE(ATOMIC_STORE32_I64)
221   WASM_LOAD_STORE(ATOMIC_RMW_ADD_I32)
222   WASM_LOAD_STORE(ATOMIC_RMW32_U_ADD_I64)
223   WASM_LOAD_STORE(ATOMIC_RMW_SUB_I32)
224   WASM_LOAD_STORE(ATOMIC_RMW32_U_SUB_I64)
225   WASM_LOAD_STORE(ATOMIC_RMW_AND_I32)
226   WASM_LOAD_STORE(ATOMIC_RMW32_U_AND_I64)
227   WASM_LOAD_STORE(ATOMIC_RMW_OR_I32)
228   WASM_LOAD_STORE(ATOMIC_RMW32_U_OR_I64)
229   WASM_LOAD_STORE(ATOMIC_RMW_XOR_I32)
230   WASM_LOAD_STORE(ATOMIC_RMW32_U_XOR_I64)
231   WASM_LOAD_STORE(ATOMIC_RMW_XCHG_I32)
232   WASM_LOAD_STORE(ATOMIC_RMW32_U_XCHG_I64)
233   WASM_LOAD_STORE(ATOMIC_RMW_CMPXCHG_I32)
234   WASM_LOAD_STORE(ATOMIC_RMW32_U_CMPXCHG_I64)
235   WASM_LOAD_STORE(MEMORY_ATOMIC_NOTIFY)
236   WASM_LOAD_STORE(MEMORY_ATOMIC_WAIT32)
237   WASM_LOAD_STORE(LOAD32_SPLAT)
238   WASM_LOAD_STORE(LOAD_ZERO_I32x4)
239   WASM_LOAD_STORE(LOAD_LANE_I32x4)
240   WASM_LOAD_STORE(STORE_LANE_I32x4)
241   return 2;
242   WASM_LOAD_STORE(LOAD_I64)
243   WASM_LOAD_STORE(LOAD_F64)
244   WASM_LOAD_STORE(STORE_I64)
245   WASM_LOAD_STORE(STORE_F64)
246   WASM_LOAD_STORE(ATOMIC_LOAD_I64)
247   WASM_LOAD_STORE(ATOMIC_STORE_I64)
248   WASM_LOAD_STORE(ATOMIC_RMW_ADD_I64)
249   WASM_LOAD_STORE(ATOMIC_RMW_SUB_I64)
250   WASM_LOAD_STORE(ATOMIC_RMW_AND_I64)
251   WASM_LOAD_STORE(ATOMIC_RMW_OR_I64)
252   WASM_LOAD_STORE(ATOMIC_RMW_XOR_I64)
253   WASM_LOAD_STORE(ATOMIC_RMW_XCHG_I64)
254   WASM_LOAD_STORE(ATOMIC_RMW_CMPXCHG_I64)
255   WASM_LOAD_STORE(MEMORY_ATOMIC_WAIT64)
256   WASM_LOAD_STORE(LOAD64_SPLAT)
257   WASM_LOAD_STORE(LOAD_EXTEND_S_I16x8)
258   WASM_LOAD_STORE(LOAD_EXTEND_U_I16x8)
259   WASM_LOAD_STORE(LOAD_EXTEND_S_I32x4)
260   WASM_LOAD_STORE(LOAD_EXTEND_U_I32x4)
261   WASM_LOAD_STORE(LOAD_EXTEND_S_I64x2)
262   WASM_LOAD_STORE(LOAD_EXTEND_U_I64x2)
263   WASM_LOAD_STORE(LOAD_ZERO_I64x2)
264   WASM_LOAD_STORE(LOAD_LANE_I64x2)
265   WASM_LOAD_STORE(STORE_LANE_I64x2)
266   return 3;
267   WASM_LOAD_STORE(LOAD_V128)
268   WASM_LOAD_STORE(STORE_V128)
269     return 4;
270   default:
271     return -1;
272   }
273 #undef WASM_LOAD_STORE
274 }
275 
276 inline unsigned GetDefaultP2Align(unsigned Opc) {
277   auto Align = GetDefaultP2AlignAny(Opc);
278   if (Align == -1U) {
279     llvm_unreachable("Only loads and stores have p2align values");
280   }
281   return Align;
282 }
283 
284 inline bool isConst(unsigned Opc) {
285   switch (Opc) {
286   case WebAssembly::CONST_I32:
287   case WebAssembly::CONST_I32_S:
288   case WebAssembly::CONST_I64:
289   case WebAssembly::CONST_I64_S:
290   case WebAssembly::CONST_F32:
291   case WebAssembly::CONST_F32_S:
292   case WebAssembly::CONST_F64:
293   case WebAssembly::CONST_F64_S:
294   case WebAssembly::CONST_V128_I8x16:
295   case WebAssembly::CONST_V128_I8x16_S:
296   case WebAssembly::CONST_V128_I16x8:
297   case WebAssembly::CONST_V128_I16x8_S:
298   case WebAssembly::CONST_V128_I32x4:
299   case WebAssembly::CONST_V128_I32x4_S:
300   case WebAssembly::CONST_V128_I64x2:
301   case WebAssembly::CONST_V128_I64x2_S:
302   case WebAssembly::CONST_V128_F32x4:
303   case WebAssembly::CONST_V128_F32x4_S:
304   case WebAssembly::CONST_V128_F64x2:
305   case WebAssembly::CONST_V128_F64x2_S:
306     return true;
307   default:
308     return false;
309   }
310 }
311 
312 inline bool isScalarConst(unsigned Opc) {
313   switch (Opc) {
314   case WebAssembly::CONST_I32:
315   case WebAssembly::CONST_I32_S:
316   case WebAssembly::CONST_I64:
317   case WebAssembly::CONST_I64_S:
318   case WebAssembly::CONST_F32:
319   case WebAssembly::CONST_F32_S:
320   case WebAssembly::CONST_F64:
321   case WebAssembly::CONST_F64_S:
322     return true;
323   default:
324     return false;
325   }
326 }
327 
328 inline bool isArgument(unsigned Opc) {
329   switch (Opc) {
330   case WebAssembly::ARGUMENT_i32:
331   case WebAssembly::ARGUMENT_i32_S:
332   case WebAssembly::ARGUMENT_i64:
333   case WebAssembly::ARGUMENT_i64_S:
334   case WebAssembly::ARGUMENT_f32:
335   case WebAssembly::ARGUMENT_f32_S:
336   case WebAssembly::ARGUMENT_f64:
337   case WebAssembly::ARGUMENT_f64_S:
338   case WebAssembly::ARGUMENT_v16i8:
339   case WebAssembly::ARGUMENT_v16i8_S:
340   case WebAssembly::ARGUMENT_v8i16:
341   case WebAssembly::ARGUMENT_v8i16_S:
342   case WebAssembly::ARGUMENT_v4i32:
343   case WebAssembly::ARGUMENT_v4i32_S:
344   case WebAssembly::ARGUMENT_v2i64:
345   case WebAssembly::ARGUMENT_v2i64_S:
346   case WebAssembly::ARGUMENT_v4f32:
347   case WebAssembly::ARGUMENT_v4f32_S:
348   case WebAssembly::ARGUMENT_v2f64:
349   case WebAssembly::ARGUMENT_v2f64_S:
350   case WebAssembly::ARGUMENT_funcref:
351   case WebAssembly::ARGUMENT_funcref_S:
352   case WebAssembly::ARGUMENT_externref:
353   case WebAssembly::ARGUMENT_externref_S:
354     return true;
355   default:
356     return false;
357   }
358 }
359 
360 inline bool isCopy(unsigned Opc) {
361   switch (Opc) {
362   case WebAssembly::COPY_I32:
363   case WebAssembly::COPY_I32_S:
364   case WebAssembly::COPY_I64:
365   case WebAssembly::COPY_I64_S:
366   case WebAssembly::COPY_F32:
367   case WebAssembly::COPY_F32_S:
368   case WebAssembly::COPY_F64:
369   case WebAssembly::COPY_F64_S:
370   case WebAssembly::COPY_V128:
371   case WebAssembly::COPY_V128_S:
372   case WebAssembly::COPY_FUNCREF:
373   case WebAssembly::COPY_FUNCREF_S:
374   case WebAssembly::COPY_EXTERNREF:
375   case WebAssembly::COPY_EXTERNREF_S:
376     return true;
377   default:
378     return false;
379   }
380 }
381 
382 inline bool isTee(unsigned Opc) {
383   switch (Opc) {
384   case WebAssembly::TEE_I32:
385   case WebAssembly::TEE_I32_S:
386   case WebAssembly::TEE_I64:
387   case WebAssembly::TEE_I64_S:
388   case WebAssembly::TEE_F32:
389   case WebAssembly::TEE_F32_S:
390   case WebAssembly::TEE_F64:
391   case WebAssembly::TEE_F64_S:
392   case WebAssembly::TEE_V128:
393   case WebAssembly::TEE_V128_S:
394   case WebAssembly::TEE_FUNCREF:
395   case WebAssembly::TEE_FUNCREF_S:
396   case WebAssembly::TEE_EXTERNREF:
397   case WebAssembly::TEE_EXTERNREF_S:
398     return true;
399   default:
400     return false;
401   }
402 }
403 
404 inline bool isCallDirect(unsigned Opc) {
405   switch (Opc) {
406   case WebAssembly::CALL:
407   case WebAssembly::CALL_S:
408   case WebAssembly::RET_CALL:
409   case WebAssembly::RET_CALL_S:
410     return true;
411   default:
412     return false;
413   }
414 }
415 
416 inline bool isCallIndirect(unsigned Opc) {
417   switch (Opc) {
418   case WebAssembly::CALL_INDIRECT:
419   case WebAssembly::CALL_INDIRECT_S:
420   case WebAssembly::RET_CALL_INDIRECT:
421   case WebAssembly::RET_CALL_INDIRECT_S:
422     return true;
423   default:
424     return false;
425   }
426 }
427 
428 inline bool isBrTable(const MachineInstr &MI) {
429   switch (MI.getOpcode()) {
430   case WebAssembly::BR_TABLE_I32:
431   case WebAssembly::BR_TABLE_I32_S:
432   case WebAssembly::BR_TABLE_I64:
433   case WebAssembly::BR_TABLE_I64_S:
434     return true;
435   default:
436     return false;
437   }
438 }
439 
440 inline bool isMarker(unsigned Opc) {
441   switch (Opc) {
442   case WebAssembly::BLOCK:
443   case WebAssembly::BLOCK_S:
444   case WebAssembly::END_BLOCK:
445   case WebAssembly::END_BLOCK_S:
446   case WebAssembly::LOOP:
447   case WebAssembly::LOOP_S:
448   case WebAssembly::END_LOOP:
449   case WebAssembly::END_LOOP_S:
450   case WebAssembly::TRY:
451   case WebAssembly::TRY_S:
452   case WebAssembly::END_TRY:
453   case WebAssembly::END_TRY_S:
454     return true;
455   default:
456     return false;
457   }
458 }
459 
460 inline bool isCatch(unsigned Opc) {
461   switch (Opc) {
462   case WebAssembly::CATCH:
463   case WebAssembly::CATCH_S:
464   case WebAssembly::CATCH_ALL:
465   case WebAssembly::CATCH_ALL_S:
466     return true;
467   default:
468     return false;
469   }
470 }
471 
472 inline bool isLocalGet(unsigned Opc) {
473   switch (Opc) {
474   case WebAssembly::LOCAL_GET_I32:
475   case WebAssembly::LOCAL_GET_I32_S:
476   case WebAssembly::LOCAL_GET_I64:
477   case WebAssembly::LOCAL_GET_I64_S:
478   case WebAssembly::LOCAL_GET_F32:
479   case WebAssembly::LOCAL_GET_F32_S:
480   case WebAssembly::LOCAL_GET_F64:
481   case WebAssembly::LOCAL_GET_F64_S:
482   case WebAssembly::LOCAL_GET_V128:
483   case WebAssembly::LOCAL_GET_V128_S:
484   case WebAssembly::LOCAL_GET_FUNCREF:
485   case WebAssembly::LOCAL_GET_FUNCREF_S:
486   case WebAssembly::LOCAL_GET_EXTERNREF:
487   case WebAssembly::LOCAL_GET_EXTERNREF_S:
488     return true;
489   default:
490     return false;
491   }
492 }
493 
494 inline bool isLocalSet(unsigned Opc) {
495   switch (Opc) {
496   case WebAssembly::LOCAL_SET_I32:
497   case WebAssembly::LOCAL_SET_I32_S:
498   case WebAssembly::LOCAL_SET_I64:
499   case WebAssembly::LOCAL_SET_I64_S:
500   case WebAssembly::LOCAL_SET_F32:
501   case WebAssembly::LOCAL_SET_F32_S:
502   case WebAssembly::LOCAL_SET_F64:
503   case WebAssembly::LOCAL_SET_F64_S:
504   case WebAssembly::LOCAL_SET_V128:
505   case WebAssembly::LOCAL_SET_V128_S:
506   case WebAssembly::LOCAL_SET_FUNCREF:
507   case WebAssembly::LOCAL_SET_FUNCREF_S:
508   case WebAssembly::LOCAL_SET_EXTERNREF:
509   case WebAssembly::LOCAL_SET_EXTERNREF_S:
510     return true;
511   default:
512     return false;
513   }
514 }
515 
516 inline bool isLocalTee(unsigned Opc) {
517   switch (Opc) {
518   case WebAssembly::LOCAL_TEE_I32:
519   case WebAssembly::LOCAL_TEE_I32_S:
520   case WebAssembly::LOCAL_TEE_I64:
521   case WebAssembly::LOCAL_TEE_I64_S:
522   case WebAssembly::LOCAL_TEE_F32:
523   case WebAssembly::LOCAL_TEE_F32_S:
524   case WebAssembly::LOCAL_TEE_F64:
525   case WebAssembly::LOCAL_TEE_F64_S:
526   case WebAssembly::LOCAL_TEE_V128:
527   case WebAssembly::LOCAL_TEE_V128_S:
528   case WebAssembly::LOCAL_TEE_FUNCREF:
529   case WebAssembly::LOCAL_TEE_FUNCREF_S:
530   case WebAssembly::LOCAL_TEE_EXTERNREF:
531   case WebAssembly::LOCAL_TEE_EXTERNREF_S:
532     return true;
533   default:
534     return false;
535   }
536 }
537 
538 } // end namespace WebAssembly
539 } // end namespace llvm
540 
541 #endif
542