1 // CodeGen/RuntimeLibcallSignatures.cpp - R.T. Lib. Call Signatures -*- C++ -*--
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 /// \file
11 /// \brief This file contains signature information for runtime libcalls.
12 ///
13 /// CodeGen uses external symbols, which it refers to by name. The WebAssembly
14 /// target needs type information for all functions. This file contains a big
15 /// table providing type signatures for all runtime library functions that LLVM
16 /// uses.
17 ///
18 /// This is currently a fairly heavy-handed solution.
19 ///
20 //===----------------------------------------------------------------------===//
21 
22 #include "WebAssemblyRuntimeLibcallSignatures.h"
23 #include "WebAssemblySubtarget.h"
24 #include "llvm/CodeGen/RuntimeLibcalls.h"
25 
26 using namespace llvm;
27 
28 namespace {
29 
30 enum RuntimeLibcallSignature {
31   func,
32   f32_func_f32,
33   f32_func_f64,
34   f32_func_i32,
35   f32_func_i64,
36   f32_func_i16,
37   f64_func_f32,
38   f64_func_f64,
39   f64_func_i32,
40   f64_func_i64,
41   i32_func_f32,
42   i32_func_f64,
43   i32_func_i32,
44   i64_func_f32,
45   i64_func_f64,
46   i64_func_i64,
47   f32_func_f32_f32,
48   f32_func_f32_i32,
49   f32_func_i64_i64,
50   f64_func_f64_f64,
51   f64_func_f64_i32,
52   f64_func_i64_i64,
53   i16_func_f32,
54   i8_func_i8_i8,
55   func_f32_iPTR_iPTR,
56   func_f64_iPTR_iPTR,
57   i16_func_i16_i16,
58   i32_func_f32_f32,
59   i32_func_f64_f64,
60   i32_func_i32_i32,
61   i64_func_i64_i64,
62   i64_i64_func_f32,
63   i64_i64_func_f64,
64   i16_i16_func_i16_i16,
65   i32_i32_func_i32_i32,
66   i64_i64_func_i64_i64,
67   i64_i64_func_i64_i64_i64_i64,
68   i64_i64_i64_i64_func_i64_i64_i64_i64,
69   i64_i64_func_i64_i64_i32,
70   iPTR_func_iPTR_i32_iPTR,
71   iPTR_func_iPTR_iPTR_iPTR,
72   f32_func_f32_f32_f32,
73   f64_func_f64_f64_f64,
74   func_i64_i64_iPTR_iPTR,
75   func_iPTR_f32,
76   func_iPTR_f64,
77   func_iPTR_i32,
78   func_iPTR_i64,
79   func_iPTR_i64_i64,
80   func_iPTR_i64_i64_i64_i64,
81   func_iPTR_i64_i64_i64_i64_i64_i64,
82   i32_func_i64_i64,
83   i32_func_i64_i64_i64_i64,
84   unsupported
85 };
86 
87 } // end anonymous namespace
88 
89 static const RuntimeLibcallSignature
90 RuntimeLibcallSignatures[RTLIB::UNKNOWN_LIBCALL] = {
91 // Integer
92 /* SHL_I16 */ i16_func_i16_i16,
93 /* SHL_I32 */ i32_func_i32_i32,
94 /* SHL_I64 */ i64_func_i64_i64,
95 /* SHL_I128 */ i64_i64_func_i64_i64_i32,
96 /* SRL_I16 */ i16_func_i16_i16,
97 /* SRL_I32 */ i32_func_i32_i32,
98 /* SRL_I64 */ i64_func_i64_i64,
99 /* SRL_I128 */ i64_i64_func_i64_i64_i32,
100 /* SRA_I16 */ i16_func_i16_i16,
101 /* SRA_I32 */ i32_func_i32_i32,
102 /* SRA_I64 */ i64_func_i64_i64,
103 /* SRA_I128 */ i64_i64_func_i64_i64_i32,
104 /* MUL_I8 */ i8_func_i8_i8,
105 /* MUL_I16 */ i16_func_i16_i16,
106 /* MUL_I32 */ i32_func_i32_i32,
107 /* MUL_I64 */ i64_func_i64_i64,
108 /* MUL_I128 */ i64_i64_func_i64_i64_i64_i64,
109 /* MULO_I32 */ i32_func_i32_i32,
110 /* MULO_I64 */ i64_func_i64_i64,
111 /* MULO_I128 */ i64_i64_func_i64_i64_i64_i64,
112 /* SDIV_I8 */ i8_func_i8_i8,
113 /* SDIV_I16 */ i16_func_i16_i16,
114 /* SDIV_I32 */ i32_func_i32_i32,
115 /* SDIV_I64 */ i64_func_i64_i64,
116 /* SDIV_I128 */ i64_i64_func_i64_i64_i64_i64,
117 /* UDIV_I8 */ i8_func_i8_i8,
118 /* UDIV_I16 */ i16_func_i16_i16,
119 /* UDIV_I32 */ i32_func_i32_i32,
120 /* UDIV_I64 */ i64_func_i64_i64,
121 /* UDIV_I128 */ i64_i64_func_i64_i64_i64_i64,
122 /* SREM_I8 */ i8_func_i8_i8,
123 /* SREM_I16 */ i16_func_i16_i16,
124 /* SREM_I32 */ i32_func_i32_i32,
125 /* SREM_I64 */ i64_func_i64_i64,
126 /* SREM_I128 */ i64_i64_func_i64_i64_i64_i64,
127 /* UREM_I8 */ i8_func_i8_i8,
128 /* UREM_I16 */ i16_func_i16_i16,
129 /* UREM_I32 */ i32_func_i32_i32,
130 /* UREM_I64 */ i64_func_i64_i64,
131 /* UREM_I128 */ i64_i64_func_i64_i64_i64_i64,
132 /* SDIVREM_I8 */ i8_func_i8_i8,
133 /* SDIVREM_I16 */ i16_i16_func_i16_i16,
134 /* SDIVREM_I32 */ i32_i32_func_i32_i32,
135 /* SDIVREM_I64 */ i64_func_i64_i64,
136 /* SDIVREM_I128 */ i64_i64_i64_i64_func_i64_i64_i64_i64,
137 /* UDIVREM_I8 */ i8_func_i8_i8,
138 /* UDIVREM_I16 */ i16_i16_func_i16_i16,
139 /* UDIVREM_I32 */ i32_i32_func_i32_i32,
140 /* UDIVREM_I64 */ i64_i64_func_i64_i64,
141 /* UDIVREM_I128 */ i64_i64_i64_i64_func_i64_i64_i64_i64,
142 /* NEG_I32 */ i32_func_i32,
143 /* NEG_I64 */ i64_func_i64,
144 
145 // FLOATING POINT
146 /* ADD_F32 */ f32_func_f32_f32,
147 /* ADD_F64 */ f64_func_f64_f64,
148 /* ADD_F80 */ unsupported,
149 /* ADD_F128 */ func_iPTR_i64_i64_i64_i64,
150 /* ADD_PPCF128 */ unsupported,
151 /* SUB_F32 */ f32_func_f32_f32,
152 /* SUB_F64 */ f64_func_f64_f64,
153 /* SUB_F80 */ unsupported,
154 /* SUB_F128 */ func_iPTR_i64_i64_i64_i64,
155 /* SUB_PPCF128 */ unsupported,
156 /* MUL_F32 */ f32_func_f32_f32,
157 /* MUL_F64 */ f64_func_f64_f64,
158 /* MUL_F80 */ unsupported,
159 /* MUL_F128 */ func_iPTR_i64_i64_i64_i64,
160 /* MUL_PPCF128 */ unsupported,
161 /* DIV_F32 */ f32_func_f32_f32,
162 /* DIV_F64 */ f64_func_f64_f64,
163 /* DIV_F80 */ unsupported,
164 /* DIV_F128 */ func_iPTR_i64_i64_i64_i64,
165 /* DIV_PPCF128 */ unsupported,
166 /* REM_F32 */ f32_func_f32_f32,
167 /* REM_F64 */ f64_func_f64_f64,
168 /* REM_F80 */ unsupported,
169 /* REM_F128 */ func_iPTR_i64_i64_i64_i64,
170 /* REM_PPCF128 */ unsupported,
171 /* FMA_F32 */ f32_func_f32_f32_f32,
172 /* FMA_F64 */ f64_func_f64_f64_f64,
173 /* FMA_F80 */ unsupported,
174 /* FMA_F128 */ func_iPTR_i64_i64_i64_i64_i64_i64,
175 /* FMA_PPCF128 */ unsupported,
176 /* POWI_F32 */ f32_func_f32_i32,
177 /* POWI_F64 */ f64_func_f64_i32,
178 /* POWI_F80 */ unsupported,
179 /* POWI_F128 */ func_iPTR_i64_i64_i64_i64,
180 /* POWI_PPCF128 */ unsupported,
181 /* SQRT_F32 */ f32_func_f32,
182 /* SQRT_F64 */ f64_func_f64,
183 /* SQRT_F80 */ unsupported,
184 /* SQRT_F128 */ func_iPTR_i64_i64,
185 /* SQRT_PPCF128 */ unsupported,
186 /* LOG_F32 */ f32_func_f32,
187 /* LOG_F64 */ f64_func_f64,
188 /* LOG_F80 */ unsupported,
189 /* LOG_F128 */ func_iPTR_i64_i64,
190 /* LOG_PPCF128 */ unsupported,
191 /* LOG_FINITE_F32 */ unsupported,
192 /* LOG_FINITE_F64 */ unsupported,
193 /* LOG_FINITE_F80 */ unsupported,
194 /* LOG_FINITE_F128 */ unsupported,
195 /* LOG_FINITE_PPCF128 */ unsupported,
196 /* LOG2_F32 */ f32_func_f32,
197 /* LOG2_F64 */ f64_func_f64,
198 /* LOG2_F80 */ unsupported,
199 /* LOG2_F128 */ func_iPTR_i64_i64,
200 /* LOG2_PPCF128 */ unsupported,
201 /* LOG2_FINITE_F32 */ unsupported,
202 /* LOG2_FINITE_F64 */ unsupported,
203 /* LOG2_FINITE_F80 */ unsupported,
204 /* LOG2_FINITE_F128 */ unsupported,
205 /* LOG2_FINITE_PPCF128 */ unsupported,
206 /* LOG10_F32 */ f32_func_f32,
207 /* LOG10_F64 */ f64_func_f64,
208 /* LOG10_F80 */ unsupported,
209 /* LOG10_F128 */ func_iPTR_i64_i64,
210 /* LOG10_PPCF128 */ unsupported,
211 /* LOG10_FINITE_F32 */ unsupported,
212 /* LOG10_FINITE_F64 */ unsupported,
213 /* LOG10_FINITE_F80 */ unsupported,
214 /* LOG10_FINITE_F128 */ unsupported,
215 /* LOG10_FINITE_PPCF128 */ unsupported,
216 /* EXP_F32 */ f32_func_f32,
217 /* EXP_F64 */ f64_func_f64,
218 /* EXP_F80 */ unsupported,
219 /* EXP_F128 */ func_iPTR_i64_i64,
220 /* EXP_PPCF128 */ unsupported,
221 /* EXP_FINITE_F32 */ unsupported,
222 /* EXP_FINITE_F64 */ unsupported,
223 /* EXP_FINITE_F80 */ unsupported,
224 /* EXP_FINITE_F128 */ unsupported,
225 /* EXP_FINITE_PPCF128 */ unsupported,
226 /* EXP2_F32 */ f32_func_f32,
227 /* EXP2_F64 */ f64_func_f64,
228 /* EXP2_F80 */ unsupported,
229 /* EXP2_F128 */ func_iPTR_i64_i64,
230 /* EXP2_PPCF128 */ unsupported,
231 /* EXP2_FINITE_F32 */ unsupported,
232 /* EXP2_FINITE_F64 */ unsupported,
233 /* EXP2_FINITE_F80 */ unsupported,
234 /* EXP2_FINITE_F128 */ unsupported,
235 /* EXP2_FINITE_PPCF128 */ unsupported,
236 /* SIN_F32 */ f32_func_f32,
237 /* SIN_F64 */ f64_func_f64,
238 /* SIN_F80 */ unsupported,
239 /* SIN_F128 */ func_iPTR_i64_i64,
240 /* SIN_PPCF128 */ unsupported,
241 /* COS_F32 */ f32_func_f32,
242 /* COS_F64 */ f64_func_f64,
243 /* COS_F80 */ unsupported,
244 /* COS_F128 */ func_iPTR_i64_i64,
245 /* COS_PPCF128 */ unsupported,
246 /* SINCOS_F32 */ func_f32_iPTR_iPTR,
247 /* SINCOS_F64 */ func_f64_iPTR_iPTR,
248 /* SINCOS_F80 */ unsupported,
249 /* SINCOS_F128 */ func_i64_i64_iPTR_iPTR,
250 /* SINCOS_PPCF128 */ unsupported,
251 /* SINCOS_STRET_F32 */ unsupported,
252 /* SINCOS_STRET_F64 */ unsupported,
253 /* POW_F32 */ f32_func_f32_f32,
254 /* POW_F64 */ f64_func_f64_f64,
255 /* POW_F80 */ unsupported,
256 /* POW_F128 */ func_iPTR_i64_i64_i64_i64,
257 /* POW_PPCF128 */ unsupported,
258 /* POW_FINITE_F32 */ unsupported,
259 /* POW_FINITE_F64 */ unsupported,
260 /* POW_FINITE_F80 */ unsupported,
261 /* POW_FINITE_F128 */ unsupported,
262 /* POW_FINITE_PPCF128 */ unsupported,
263 /* CEIL_F32 */ f32_func_f32,
264 /* CEIL_F64 */ f64_func_f64,
265 /* CEIL_F80 */ unsupported,
266 /* CEIL_F128 */ func_iPTR_i64_i64,
267 /* CEIL_PPCF128 */ unsupported,
268 /* TRUNC_F32 */ f32_func_f32,
269 /* TRUNC_F64 */ f64_func_f64,
270 /* TRUNC_F80 */ unsupported,
271 /* TRUNC_F128 */ func_iPTR_i64_i64,
272 /* TRUNC_PPCF128 */ unsupported,
273 /* RINT_F32 */ f32_func_f32,
274 /* RINT_F64 */ f64_func_f64,
275 /* RINT_F80 */ unsupported,
276 /* RINT_F128 */ func_iPTR_i64_i64,
277 /* RINT_PPCF128 */ unsupported,
278 /* NEARBYINT_F32 */ f32_func_f32,
279 /* NEARBYINT_F64 */ f64_func_f64,
280 /* NEARBYINT_F80 */ unsupported,
281 /* NEARBYINT_F128 */ func_iPTR_i64_i64,
282 /* NEARBYINT_PPCF128 */ unsupported,
283 /* ROUND_F32 */ f32_func_f32,
284 /* ROUND_F64 */ f64_func_f64,
285 /* ROUND_F80 */ unsupported,
286 /* ROUND_F128 */ func_iPTR_i64_i64,
287 /* ROUND_PPCF128 */ unsupported,
288 /* FLOOR_F32 */ f32_func_f32,
289 /* FLOOR_F64 */ f64_func_f64,
290 /* FLOOR_F80 */ unsupported,
291 /* FLOOR_F128 */ func_iPTR_i64_i64,
292 /* FLOOR_PPCF128 */ unsupported,
293 /* COPYSIGN_F32 */ f32_func_f32_f32,
294 /* COPYSIGN_F64 */ f64_func_f64_f64,
295 /* COPYSIGN_F80 */ unsupported,
296 /* COPYSIGN_F128 */ func_iPTR_i64_i64_i64_i64,
297 /* COPYSIGN_PPCF128 */ unsupported,
298 /* FMIN_F32 */ f32_func_f32_f32,
299 /* FMIN_F64 */ f64_func_f64_f64,
300 /* FMIN_F80 */ unsupported,
301 /* FMIN_F128 */ func_iPTR_i64_i64_i64_i64,
302 /* FMIN_PPCF128 */ unsupported,
303 /* FMAX_F32 */ f32_func_f32_f32,
304 /* FMAX_F64 */ f64_func_f64_f64,
305 /* FMAX_F80 */ unsupported,
306 /* FMAX_F128 */ func_iPTR_i64_i64_i64_i64,
307 /* FMAX_PPCF128 */ unsupported,
308 
309 // CONVERSION
310 /* FPEXT_F32_PPCF128 */ unsupported,
311 /* FPEXT_F64_PPCF128 */ unsupported,
312 /* FPEXT_F64_F128 */ func_iPTR_f64,
313 /* FPEXT_F32_F128 */ func_iPTR_f32,
314 /* FPEXT_F32_F64 */ f64_func_f32,
315 /* FPEXT_F16_F32 */ f32_func_i16,
316 /* FPROUND_F32_F16 */ i16_func_f32,
317 /* FPROUND_F64_F16 */ unsupported,
318 /* FPROUND_F80_F16 */ unsupported,
319 /* FPROUND_F128_F16 */ unsupported,
320 /* FPROUND_PPCF128_F16 */ unsupported,
321 /* FPROUND_F64_F32 */ f32_func_f64,
322 /* FPROUND_F80_F32 */ unsupported,
323 /* FPROUND_F128_F32 */ f32_func_i64_i64,
324 /* FPROUND_PPCF128_F32 */ unsupported,
325 /* FPROUND_F80_F64 */ unsupported,
326 /* FPROUND_F128_F64 */ f64_func_i64_i64,
327 /* FPROUND_PPCF128_F64 */ unsupported,
328 /* FPTOSINT_F32_I32 */ i32_func_f32,
329 /* FPTOSINT_F32_I64 */ i64_func_f32,
330 /* FPTOSINT_F32_I128 */ i64_i64_func_f32,
331 /* FPTOSINT_F64_I32 */ i32_func_f64,
332 /* FPTOSINT_F64_I64 */ i64_func_f64,
333 /* FPTOSINT_F64_I128 */ i64_i64_func_f64,
334 /* FPTOSINT_F80_I32 */ unsupported,
335 /* FPTOSINT_F80_I64 */ unsupported,
336 /* FPTOSINT_F80_I128 */ unsupported,
337 /* FPTOSINT_F128_I32 */ i32_func_i64_i64,
338 /* FPTOSINT_F128_I64 */ i64_func_i64_i64,
339 /* FPTOSINT_F128_I128 */ i64_i64_func_i64_i64,
340 /* FPTOSINT_PPCF128_I32 */ unsupported,
341 /* FPTOSINT_PPCF128_I64 */ unsupported,
342 /* FPTOSINT_PPCF128_I128 */ unsupported,
343 /* FPTOUINT_F32_I32 */ i32_func_f32,
344 /* FPTOUINT_F32_I64 */ i64_func_f32,
345 /* FPTOUINT_F32_I128 */ i64_i64_func_f32,
346 /* FPTOUINT_F64_I32 */ i32_func_f64,
347 /* FPTOUINT_F64_I64 */ i64_func_f64,
348 /* FPTOUINT_F64_I128 */ i64_i64_func_f64,
349 /* FPTOUINT_F80_I32 */ unsupported,
350 /* FPTOUINT_F80_I64 */ unsupported,
351 /* FPTOUINT_F80_I128 */ unsupported,
352 /* FPTOUINT_F128_I32 */ i32_func_i64_i64,
353 /* FPTOUINT_F128_I64 */ i64_func_i64_i64,
354 /* FPTOUINT_F128_I128 */ i64_i64_func_i64_i64,
355 /* FPTOUINT_PPCF128_I32 */ unsupported,
356 /* FPTOUINT_PPCF128_I64 */ unsupported,
357 /* FPTOUINT_PPCF128_I128 */ unsupported,
358 /* SINTTOFP_I32_F32 */ f32_func_i32,
359 /* SINTTOFP_I32_F64 */ f64_func_i32,
360 /* SINTTOFP_I32_F80 */ unsupported,
361 /* SINTTOFP_I32_F128 */ func_iPTR_i32,
362 /* SINTTOFP_I32_PPCF128 */ unsupported,
363 /* SINTTOFP_I64_F32 */ f32_func_i64,
364 /* SINTTOFP_I64_F64 */ f64_func_i64,
365 /* SINTTOFP_I64_F80 */ unsupported,
366 /* SINTTOFP_I64_F128 */ func_iPTR_i64,
367 /* SINTTOFP_I64_PPCF128 */ unsupported,
368 /* SINTTOFP_I128_F32 */ f32_func_i64_i64,
369 /* SINTTOFP_I128_F64 */ f64_func_i64_i64,
370 /* SINTTOFP_I128_F80 */ unsupported,
371 /* SINTTOFP_I128_F128 */ func_iPTR_i64_i64,
372 /* SINTTOFP_I128_PPCF128 */ unsupported,
373 /* UINTTOFP_I32_F32 */ f32_func_i32,
374 /* UINTTOFP_I32_F64 */ f64_func_i64,
375 /* UINTTOFP_I32_F80 */ unsupported,
376 /* UINTTOFP_I32_F128 */ func_iPTR_i32,
377 /* UINTTOFP_I32_PPCF128 */ unsupported,
378 /* UINTTOFP_I64_F32 */ f32_func_i64,
379 /* UINTTOFP_I64_F64 */ f64_func_i64,
380 /* UINTTOFP_I64_F80 */ unsupported,
381 /* UINTTOFP_I64_F128 */ func_iPTR_i64,
382 /* UINTTOFP_I64_PPCF128 */ unsupported,
383 /* UINTTOFP_I128_F32 */ f32_func_i64_i64,
384 /* UINTTOFP_I128_F64 */ f64_func_i64_i64,
385 /* UINTTOFP_I128_F80 */ unsupported,
386 /* UINTTOFP_I128_F128 */ func_iPTR_i64_i64,
387 /* UINTTOFP_I128_PPCF128 */ unsupported,
388 
389 // COMPARISON
390 /* OEQ_F32 */ i32_func_f32_f32,
391 /* OEQ_F64 */ i32_func_f64_f64,
392 /* OEQ_F128 */ i32_func_i64_i64_i64_i64,
393 /* OEQ_PPCF128 */ unsupported,
394 /* UNE_F32 */ i32_func_f32_f32,
395 /* UNE_F64 */ i32_func_f64_f64,
396 /* UNE_F128 */ i32_func_i64_i64_i64_i64,
397 /* UNE_PPCF128 */ unsupported,
398 /* OGE_F32 */ i32_func_f32_f32,
399 /* OGE_F64 */ i32_func_f64_f64,
400 /* OGE_F128 */ i32_func_i64_i64_i64_i64,
401 /* OGE_PPCF128 */ unsupported,
402 /* OLT_F32 */ i32_func_f32_f32,
403 /* OLT_F64 */ i32_func_f64_f64,
404 /* OLT_F128 */ i32_func_i64_i64_i64_i64,
405 /* OLT_PPCF128 */ unsupported,
406 /* OLE_F32 */ i32_func_f32_f32,
407 /* OLE_F64 */ i32_func_f64_f64,
408 /* OLE_F128 */ i32_func_i64_i64_i64_i64,
409 /* OLE_PPCF128 */ unsupported,
410 /* OGT_F32 */ i32_func_f32_f32,
411 /* OGT_F64 */ i32_func_f64_f64,
412 /* OGT_F128 */ i32_func_i64_i64_i64_i64,
413 /* OGT_PPCF128 */ unsupported,
414 /* UO_F32 */ i32_func_f32_f32,
415 /* UO_F64 */ i32_func_f64_f64,
416 /* UO_F128 */ i32_func_i64_i64_i64_i64,
417 /* UO_PPCF128 */ unsupported,
418 /* O_F32 */ i32_func_f32_f32,
419 /* O_F64 */ i32_func_f64_f64,
420 /* O_F128 */ i32_func_i64_i64_i64_i64,
421 /* O_PPCF128 */ unsupported,
422 
423 // MEMORY
424 /* MEMCPY */ iPTR_func_iPTR_iPTR_iPTR,
425 /* MEMMOVE */ iPTR_func_iPTR_iPTR_iPTR,
426 /* MEMSET */ iPTR_func_iPTR_i32_iPTR,
427 /* BZERO */ unsupported,
428 
429 // ELEMENT-WISE ATOMIC MEMORY
430 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_1 */ unsupported,
431 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_2 */ unsupported,
432 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_4 */ unsupported,
433 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_8 */ unsupported,
434 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_16 */ unsupported,
435 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1 */ unsupported,
436 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2 */ unsupported,
437 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4 */ unsupported,
438 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8 */ unsupported,
439 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16 */ unsupported,
440 
441 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_1 */ unsupported,
442 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_2 */ unsupported,
443 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_4 */ unsupported,
444 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_8 */ unsupported,
445 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_16 */ unsupported,
446 
447 // EXCEPTION HANDLING
448 /* UNWIND_RESUME */ unsupported,
449 
450 // Note: there's two sets of atomics libcalls; see
451 // <http://llvm.org/docs/Atomics.html> for more info on the
452 // difference between them.
453 
454 // Atomic '__sync_*' libcalls.
455 /* SYNC_VAL_COMPARE_AND_SWAP_1 */ unsupported,
456 /* SYNC_VAL_COMPARE_AND_SWAP_2 */ unsupported,
457 /* SYNC_VAL_COMPARE_AND_SWAP_4 */ unsupported,
458 /* SYNC_VAL_COMPARE_AND_SWAP_8 */ unsupported,
459 /* SYNC_VAL_COMPARE_AND_SWAP_16 */ unsupported,
460 /* SYNC_LOCK_TEST_AND_SET_1 */ unsupported,
461 /* SYNC_LOCK_TEST_AND_SET_2 */ unsupported,
462 /* SYNC_LOCK_TEST_AND_SET_4 */ unsupported,
463 /* SYNC_LOCK_TEST_AND_SET_8 */ unsupported,
464 /* SYNC_LOCK_TEST_AND_SET_16 */ unsupported,
465 /* SYNC_FETCH_AND_ADD_1 */ unsupported,
466 /* SYNC_FETCH_AND_ADD_2 */ unsupported,
467 /* SYNC_FETCH_AND_ADD_4 */ unsupported,
468 /* SYNC_FETCH_AND_ADD_8 */ unsupported,
469 /* SYNC_FETCH_AND_ADD_16 */ unsupported,
470 /* SYNC_FETCH_AND_SUB_1 */ unsupported,
471 /* SYNC_FETCH_AND_SUB_2 */ unsupported,
472 /* SYNC_FETCH_AND_SUB_4 */ unsupported,
473 /* SYNC_FETCH_AND_SUB_8 */ unsupported,
474 /* SYNC_FETCH_AND_SUB_16 */ unsupported,
475 /* SYNC_FETCH_AND_AND_1 */ unsupported,
476 /* SYNC_FETCH_AND_AND_2 */ unsupported,
477 /* SYNC_FETCH_AND_AND_4 */ unsupported,
478 /* SYNC_FETCH_AND_AND_8 */ unsupported,
479 /* SYNC_FETCH_AND_AND_16 */ unsupported,
480 /* SYNC_FETCH_AND_OR_1 */ unsupported,
481 /* SYNC_FETCH_AND_OR_2 */ unsupported,
482 /* SYNC_FETCH_AND_OR_4 */ unsupported,
483 /* SYNC_FETCH_AND_OR_8 */ unsupported,
484 /* SYNC_FETCH_AND_OR_16 */ unsupported,
485 /* SYNC_FETCH_AND_XOR_1 */ unsupported,
486 /* SYNC_FETCH_AND_XOR_2 */ unsupported,
487 /* SYNC_FETCH_AND_XOR_4 */ unsupported,
488 /* SYNC_FETCH_AND_XOR_8 */ unsupported,
489 /* SYNC_FETCH_AND_XOR_16 */ unsupported,
490 /* SYNC_FETCH_AND_NAND_1 */ unsupported,
491 /* SYNC_FETCH_AND_NAND_2 */ unsupported,
492 /* SYNC_FETCH_AND_NAND_4 */ unsupported,
493 /* SYNC_FETCH_AND_NAND_8 */ unsupported,
494 /* SYNC_FETCH_AND_NAND_16 */ unsupported,
495 /* SYNC_FETCH_AND_MAX_1 */ unsupported,
496 /* SYNC_FETCH_AND_MAX_2 */ unsupported,
497 /* SYNC_FETCH_AND_MAX_4 */ unsupported,
498 /* SYNC_FETCH_AND_MAX_8 */ unsupported,
499 /* SYNC_FETCH_AND_MAX_16 */ unsupported,
500 /* SYNC_FETCH_AND_UMAX_1 */ unsupported,
501 /* SYNC_FETCH_AND_UMAX_2 */ unsupported,
502 /* SYNC_FETCH_AND_UMAX_4 */ unsupported,
503 /* SYNC_FETCH_AND_UMAX_8 */ unsupported,
504 /* SYNC_FETCH_AND_UMAX_16 */ unsupported,
505 /* SYNC_FETCH_AND_MIN_1 */ unsupported,
506 /* SYNC_FETCH_AND_MIN_2 */ unsupported,
507 /* SYNC_FETCH_AND_MIN_4 */ unsupported,
508 /* SYNC_FETCH_AND_MIN_8 */ unsupported,
509 /* SYNC_FETCH_AND_MIN_16 */ unsupported,
510 /* SYNC_FETCH_AND_UMIN_1 */ unsupported,
511 /* SYNC_FETCH_AND_UMIN_2 */ unsupported,
512 /* SYNC_FETCH_AND_UMIN_4 */ unsupported,
513 /* SYNC_FETCH_AND_UMIN_8 */ unsupported,
514 /* SYNC_FETCH_AND_UMIN_16 */ unsupported,
515 
516 // Atomic '__atomic_*' libcalls.
517 /* ATOMIC_LOAD */ unsupported,
518 /* ATOMIC_LOAD_1 */ unsupported,
519 /* ATOMIC_LOAD_2 */ unsupported,
520 /* ATOMIC_LOAD_4 */ unsupported,
521 /* ATOMIC_LOAD_8 */ unsupported,
522 /* ATOMIC_LOAD_16 */ unsupported,
523 
524 /* ATOMIC_STORE */ unsupported,
525 /* ATOMIC_STORE_1 */ unsupported,
526 /* ATOMIC_STORE_2 */ unsupported,
527 /* ATOMIC_STORE_4 */ unsupported,
528 /* ATOMIC_STORE_8 */ unsupported,
529 /* ATOMIC_STORE_16 */ unsupported,
530 
531 /* ATOMIC_EXCHANGE */ unsupported,
532 /* ATOMIC_EXCHANGE_1 */ unsupported,
533 /* ATOMIC_EXCHANGE_2 */ unsupported,
534 /* ATOMIC_EXCHANGE_4 */ unsupported,
535 /* ATOMIC_EXCHANGE_8 */ unsupported,
536 /* ATOMIC_EXCHANGE_16 */ unsupported,
537 
538 /* ATOMIC_COMPARE_EXCHANGE */ unsupported,
539 /* ATOMIC_COMPARE_EXCHANGE_1 */ unsupported,
540 /* ATOMIC_COMPARE_EXCHANGE_2 */ unsupported,
541 /* ATOMIC_COMPARE_EXCHANGE_4 */ unsupported,
542 /* ATOMIC_COMPARE_EXCHANGE_8 */ unsupported,
543 /* ATOMIC_COMPARE_EXCHANGE_16 */ unsupported,
544 
545 /* ATOMIC_FETCH_ADD_1 */ unsupported,
546 /* ATOMIC_FETCH_ADD_2 */ unsupported,
547 /* ATOMIC_FETCH_ADD_4 */ unsupported,
548 /* ATOMIC_FETCH_ADD_8 */ unsupported,
549 /* ATOMIC_FETCH_ADD_16 */ unsupported,
550 
551 /* ATOMIC_FETCH_SUB_1 */ unsupported,
552 /* ATOMIC_FETCH_SUB_2 */ unsupported,
553 /* ATOMIC_FETCH_SUB_4 */ unsupported,
554 /* ATOMIC_FETCH_SUB_8 */ unsupported,
555 /* ATOMIC_FETCH_SUB_16 */ unsupported,
556 
557 /* ATOMIC_FETCH_AND_1 */ unsupported,
558 /* ATOMIC_FETCH_AND_2 */ unsupported,
559 /* ATOMIC_FETCH_AND_4 */ unsupported,
560 /* ATOMIC_FETCH_AND_8 */ unsupported,
561 /* ATOMIC_FETCH_AND_16 */ unsupported,
562 
563 /* ATOMIC_FETCH_OR_1 */ unsupported,
564 /* ATOMIC_FETCH_OR_2 */ unsupported,
565 /* ATOMIC_FETCH_OR_4 */ unsupported,
566 /* ATOMIC_FETCH_OR_8 */ unsupported,
567 /* ATOMIC_FETCH_OR_16 */ unsupported,
568 
569 /* ATOMIC_FETCH_XOR_1 */ unsupported,
570 /* ATOMIC_FETCH_XOR_2 */ unsupported,
571 /* ATOMIC_FETCH_XOR_4 */ unsupported,
572 /* ATOMIC_FETCH_XOR_8 */ unsupported,
573 /* ATOMIC_FETCH_XOR_16 */ unsupported,
574 
575 /* ATOMIC_FETCH_NAND_1 */ unsupported,
576 /* ATOMIC_FETCH_NAND_2 */ unsupported,
577 /* ATOMIC_FETCH_NAND_4 */ unsupported,
578 /* ATOMIC_FETCH_NAND_8 */ unsupported,
579 /* ATOMIC_FETCH_NAND_16 */ unsupported,
580 
581 // Stack Protector Fail.
582 /* STACKPROTECTOR_CHECK_FAIL */ func,
583 
584 // Deoptimization.
585 /* DEOPTIMIZE */ unsupported,
586 
587 };
588 
589 static const char *
590 RuntimeLibcallNames[RTLIB::UNKNOWN_LIBCALL] = {
591 /* SHL_I16 */ "__ashlhi3",
592 /* SHL_I32 */ "__ashlsi3",
593 /* SHL_I64 */ "__ashldi3",
594 /* SHL_I128 */ "__ashlti3",
595 /* SRL_I16 */ "__lshrhi3",
596 /* SRL_I32 */ "__lshrsi3",
597 /* SRL_I64 */ "__lshrdi3",
598 /* SRL_I128 */ "__lshrti3",
599 /* SRA_I16 */ "__ashrhi3",
600 /* SRA_I32 */ "__ashrsi3",
601 /* SRA_I64 */ "__ashrdi3",
602 /* SRA_I128 */ "__ashrti3",
603 /* MUL_I8 */ "__mulqi3",
604 /* MUL_I16 */ "__mulhi3",
605 /* MUL_I32 */ "__mulsi3",
606 /* MUL_I64 */ "__muldi3",
607 /* MUL_I128 */ "__multi3",
608 /* MULO_I32 */ "__mulosi4",
609 /* MULO_I64 */ "__mulodi4",
610 /* MULO_I128 */ "__muloti4",
611 /* SDIV_I8 */ "__divqi3",
612 /* SDIV_I16 */ "__divhi3",
613 /* SDIV_I32 */ "__divsi3",
614 /* SDIV_I64 */ "__divdi3",
615 /* SDIV_I128 */ "__divti3",
616 /* UDIV_I8 */ "__udivqi3",
617 /* UDIV_I16 */ "__udivhi3",
618 /* UDIV_I32 */ "__udivsi3",
619 /* UDIV_I64 */ "__udivdi3",
620 /* UDIV_I128 */ "__udivti3",
621 /* SREM_I8 */ "__modqi3",
622 /* SREM_I16 */ "__modhi3",
623 /* SREM_I32 */ "__modsi3",
624 /* SREM_I64 */ "__moddi3",
625 /* SREM_I128 */ "__modti3",
626 /* UREM_I8 */ "__umodqi3",
627 /* UREM_I16 */ "__umodhi3",
628 /* UREM_I32 */ "__umodsi3",
629 /* UREM_I64 */ "__umoddi3",
630 /* UREM_I128 */ "__umodti3",
631 /* SDIVREM_I8 */ nullptr,
632 /* SDIVREM_I16 */ nullptr,
633 /* SDIVREM_I32 */ nullptr,
634 /* SDIVREM_I64 */ nullptr,
635 /* SDIVREM_I128 */ nullptr,
636 /* UDIVREM_I8 */ nullptr,
637 /* UDIVREM_I16 */ nullptr,
638 /* UDIVREM_I32 */ nullptr,
639 /* UDIVREM_I64 */ nullptr,
640 /* UDIVREM_I128 */ nullptr,
641 /* NEG_I32 */ "__negsi2",
642 /* NEG_I64 */ "__negdi2",
643 /* ADD_F32 */ "__addsf3",
644 /* ADD_F64 */ "__adddf3",
645 /* ADD_F80 */ nullptr,
646 /* ADD_F128 */ "__addtf3",
647 /* ADD_PPCF128 */ nullptr,
648 /* SUB_F32 */ "__subsf3",
649 /* SUB_F64 */ "__subdf3",
650 /* SUB_F80 */ nullptr,
651 /* SUB_F128 */ "__subtf3",
652 /* SUB_PPCF128 */ nullptr,
653 /* MUL_F32 */ "__mulsf3",
654 /* MUL_F64 */ "__muldf3",
655 /* MUL_F80 */ nullptr,
656 /* MUL_F128 */ "__multf3",
657 /* MUL_PPCF128 */ nullptr,
658 /* DIV_F32 */ "__divsf3",
659 /* DIV_F64 */ "__divdf3",
660 /* DIV_F80 */ nullptr,
661 /* DIV_F128 */ "__divtf3",
662 /* DIV_PPCF128 */ nullptr,
663 /* REM_F32 */ "fmodf",
664 /* REM_F64 */ "fmod",
665 /* REM_F80 */ nullptr,
666 /* REM_F128 */ "fmodl",
667 /* REM_PPCF128 */ nullptr,
668 /* FMA_F32 */ "fmaf",
669 /* FMA_F64 */ "fma",
670 /* FMA_F80 */ nullptr,
671 /* FMA_F128 */ "fmal",
672 /* FMA_PPCF128 */ nullptr,
673 /* POWI_F32 */ "__powisf2",
674 /* POWI_F64 */ "__powidf2",
675 /* POWI_F80 */ nullptr,
676 /* POWI_F128 */ "__powitf2",
677 /* POWI_PPCF128 */ nullptr,
678 /* SQRT_F32 */ "sqrtf",
679 /* SQRT_F64 */ "sqrt",
680 /* SQRT_F80 */ nullptr,
681 /* SQRT_F128 */ "sqrtl",
682 /* SQRT_PPCF128 */ nullptr,
683 /* LOG_F32 */ "logf",
684 /* LOG_F64 */ "log",
685 /* LOG_F80 */ nullptr,
686 /* LOG_F128 */ "logl",
687 /* LOG_PPCF128 */ nullptr,
688 /* LOG_FINITE_F32 */ nullptr,
689 /* LOG_FINITE_F64 */ nullptr,
690 /* LOG_FINITE_F80 */ nullptr,
691 /* LOG_FINITE_F128 */ nullptr,
692 /* LOG_FINITE_PPCF128 */ nullptr,
693 /* LOG2_F32 */ "log2f",
694 /* LOG2_F64 */ "log2",
695 /* LOG2_F80 */ nullptr,
696 /* LOG2_F128 */ "log2l",
697 /* LOG2_PPCF128 */ nullptr,
698 /* LOG2_FINITE_F32 */ nullptr,
699 /* LOG2_FINITE_F64 */ nullptr,
700 /* LOG2_FINITE_F80 */ nullptr,
701 /* LOG2_FINITE_F128 */ nullptr,
702 /* LOG2_FINITE_PPCF128 */ nullptr,
703 /* LOG10_F32 */ "log10f",
704 /* LOG10_F64 */ "log10",
705 /* LOG10_F80 */ nullptr,
706 /* LOG10_F128 */ "log10l",
707 /* LOG10_PPCF128 */ nullptr,
708 /* LOG10_FINITE_F32 */ nullptr,
709 /* LOG10_FINITE_F64 */ nullptr,
710 /* LOG10_FINITE_F80 */ nullptr,
711 /* LOG10_FINITE_F128 */ nullptr,
712 /* LOG10_FINITE_PPCF128 */ nullptr,
713 /* EXP_F32 */ "expf",
714 /* EXP_F64 */ "exp",
715 /* EXP_F80 */ nullptr,
716 /* EXP_F128 */ "expl",
717 /* EXP_PPCF128 */ nullptr,
718 /* EXP_FINITE_F32 */ nullptr,
719 /* EXP_FINITE_F64 */ nullptr,
720 /* EXP_FINITE_F80 */ nullptr,
721 /* EXP_FINITE_F128 */ nullptr,
722 /* EXP_FINITE_PPCF128 */ nullptr,
723 /* EXP2_F32 */ "exp2f",
724 /* EXP2_F64 */ "exp2",
725 /* EXP2_F80 */ nullptr,
726 /* EXP2_F128 */ "exp2l",
727 /* EXP2_PPCF128 */ nullptr,
728 /* EXP2_FINITE_F32 */ nullptr,
729 /* EXP2_FINITE_F64 */ nullptr,
730 /* EXP2_FINITE_F80 */ nullptr,
731 /* EXP2_FINITE_F128 */ nullptr,
732 /* EXP2_FINITE_PPCF128 */ nullptr,
733 /* SIN_F32 */ "sinf",
734 /* SIN_F64 */ "sin",
735 /* SIN_F80 */ nullptr,
736 /* SIN_F128 */ "sinl",
737 /* SIN_PPCF128 */ nullptr,
738 /* COS_F32 */ "cosf",
739 /* COS_F64 */ "cos",
740 /* COS_F80 */ nullptr,
741 /* COS_F128 */ "cosl",
742 /* COS_PPCF128 */ nullptr,
743 /* SINCOS_F32 */ "sincosf",
744 /* SINCOS_F64 */ "sincos",
745 /* SINCOS_F80 */ nullptr,
746 /* SINCOS_F128 */ "sincosl",
747 /* SINCOS_PPCF128 */ nullptr,
748 /* SINCOS_STRET_F32 */ nullptr,
749 /* SINCOS_STRET_F64 */ nullptr,
750 /* POW_F32 */ "powf",
751 /* POW_F64 */ "pow",
752 /* POW_F80 */ nullptr,
753 /* POW_F128 */ "powl",
754 /* POW_PPCF128 */ nullptr,
755 /* POW_FINITE_F32 */ nullptr,
756 /* POW_FINITE_F64 */ nullptr,
757 /* POW_FINITE_F80 */ nullptr,
758 /* POW_FINITE_F128 */ nullptr,
759 /* POW_FINITE_PPCF128 */ nullptr,
760 /* CEIL_F32 */ "ceilf",
761 /* CEIL_F64 */ "ceil",
762 /* CEIL_F80 */ nullptr,
763 /* CEIL_F128 */ "ceill",
764 /* CEIL_PPCF128 */ nullptr,
765 /* TRUNC_F32 */ "truncf",
766 /* TRUNC_F64 */ "trunc",
767 /* TRUNC_F80 */ nullptr,
768 /* TRUNC_F128 */ "truncl",
769 /* TRUNC_PPCF128 */ nullptr,
770 /* RINT_F32 */ "rintf",
771 /* RINT_F64 */ "rint",
772 /* RINT_F80 */ nullptr,
773 /* RINT_F128 */ "rintl",
774 /* RINT_PPCF128 */ nullptr,
775 /* NEARBYINT_F32 */ "nearbyintf",
776 /* NEARBYINT_F64 */ "nearbyint",
777 /* NEARBYINT_F80 */ nullptr,
778 /* NEARBYINT_F128 */ "nearbyintl",
779 /* NEARBYINT_PPCF128 */ nullptr,
780 /* ROUND_F32 */ "roundf",
781 /* ROUND_F64 */ "round",
782 /* ROUND_F80 */ nullptr,
783 /* ROUND_F128 */ "roundl",
784 /* ROUND_PPCF128 */ nullptr,
785 /* FLOOR_F32 */ "floorf",
786 /* FLOOR_F64 */ "floor",
787 /* FLOOR_F80 */ nullptr,
788 /* FLOOR_F128 */ "floorl",
789 /* FLOOR_PPCF128 */ nullptr,
790 /* COPYSIGN_F32 */ "copysignf",
791 /* COPYSIGN_F64 */ "copysign",
792 /* COPYSIGN_F80 */ nullptr,
793 /* COPYSIGN_F128 */ "copysignl",
794 /* COPYSIGN_PPCF128 */ nullptr,
795 /* FMIN_F32 */ "fminf",
796 /* FMIN_F64 */ "fmin",
797 /* FMIN_F80 */ nullptr,
798 /* FMIN_F128 */ "fminl",
799 /* FMIN_PPCF128 */ nullptr,
800 /* FMAX_F32 */ "fmaxf",
801 /* FMAX_F64 */ "fmax",
802 /* FMAX_F80 */ nullptr,
803 /* FMAX_F128 */ "fmaxl",
804 /* FMAX_PPCF128 */ nullptr,
805 /* FPEXT_F32_PPCF128 */ nullptr,
806 /* FPEXT_F64_PPCF128 */ nullptr,
807 /* FPEXT_F64_F128 */ "__extenddftf2",
808 /* FPEXT_F32_F128 */ "__extendsftf2",
809 /* FPEXT_F32_F64 */ "__extendsfdf2",
810 /* FPEXT_F16_F32 */ "__gnu_h2f_ieee",
811 /* FPROUND_F32_F16 */ "__gnu_f2h_ieee",
812 /* FPROUND_F64_F16 */ nullptr,
813 /* FPROUND_F80_F16 */ nullptr,
814 /* FPROUND_F128_F16 */ nullptr,
815 /* FPROUND_PPCF128_F16 */ nullptr,
816 /* FPROUND_F64_F32 */ "__truncdfsf2",
817 /* FPROUND_F80_F32 */ "__truncxfsf2",
818 /* FPROUND_F128_F32 */ "__trunctfsf2",
819 /* FPROUND_PPCF128_F32 */ nullptr,
820 /* FPROUND_F80_F64 */ "__truncxfdf2",
821 /* FPROUND_F128_F64 */ "__trunctfdf2",
822 /* FPROUND_PPCF128_F64 */ nullptr,
823 /* FPTOSINT_F32_I32 */ "__fixsfsi",
824 /* FPTOSINT_F32_I64 */ "__fixsfdi",
825 /* FPTOSINT_F32_I128 */ "__fixsfti",
826 /* FPTOSINT_F64_I32 */ "__fixdfsi",
827 /* FPTOSINT_F64_I64 */ "__fixdfdi",
828 /* FPTOSINT_F64_I128 */ "__fixdfti",
829 /* FPTOSINT_F80_I32 */ "__fixxfsi",
830 /* FPTOSINT_F80_I64 */ "__fixxfdi",
831 /* FPTOSINT_F80_I128 */ "__fixxfti",
832 /* FPTOSINT_F128_I32 */ "__fixtfsi",
833 /* FPTOSINT_F128_I64 */ "__fixtfdi",
834 /* FPTOSINT_F128_I128 */ "__fixtfti",
835 /* FPTOSINT_PPCF128_I32 */ nullptr,
836 /* FPTOSINT_PPCF128_I64 */ nullptr,
837 /* FPTOSINT_PPCF128_I128 */ nullptr,
838 /* FPTOUINT_F32_I32 */ "__fixunssfsi",
839 /* FPTOUINT_F32_I64 */ "__fixunssfdi",
840 /* FPTOUINT_F32_I128 */ "__fixunssfti",
841 /* FPTOUINT_F64_I32 */ "__fixunsdfsi",
842 /* FPTOUINT_F64_I64 */ "__fixunsdfdi",
843 /* FPTOUINT_F64_I128 */ "__fixunsdfti",
844 /* FPTOUINT_F80_I32 */ "__fixunsxfsi",
845 /* FPTOUINT_F80_I64 */ "__fixunsxfdi",
846 /* FPTOUINT_F80_I128 */ "__fixunsxfti",
847 /* FPTOUINT_F128_I32 */ "__fixunstfsi",
848 /* FPTOUINT_F128_I64 */ "__fixunstfdi",
849 /* FPTOUINT_F128_I128 */ "__fixunstfti",
850 /* FPTOUINT_PPCF128_I32 */ nullptr,
851 /* FPTOUINT_PPCF128_I64 */ nullptr,
852 /* FPTOUINT_PPCF128_I128 */ nullptr,
853 /* SINTTOFP_I32_F32 */ "__floatsisf",
854 /* SINTTOFP_I32_F64 */ "__floatsidf",
855 /* SINTTOFP_I32_F80 */ nullptr,
856 /* SINTTOFP_I32_F128 */ "__floatsitf",
857 /* SINTTOFP_I32_PPCF128 */ nullptr,
858 /* SINTTOFP_I64_F32 */ "__floatdisf",
859 /* SINTTOFP_I64_F64 */ "__floatdidf",
860 /* SINTTOFP_I64_F80 */ nullptr,
861 /* SINTTOFP_I64_F128 */ "__floatditf",
862 /* SINTTOFP_I64_PPCF128 */ nullptr,
863 /* SINTTOFP_I128_F32 */ "__floattisf",
864 /* SINTTOFP_I128_F64 */ "__floattidf",
865 /* SINTTOFP_I128_F80 */ nullptr,
866 /* SINTTOFP_I128_F128 */ "__floattitf",
867 /* SINTTOFP_I128_PPCF128 */ nullptr,
868 /* UINTTOFP_I32_F32 */ "__floatunsisf",
869 /* UINTTOFP_I32_F64 */ "__floatunsidf",
870 /* UINTTOFP_I32_F80 */ nullptr,
871 /* UINTTOFP_I32_F128 */ "__floatunsitf",
872 /* UINTTOFP_I32_PPCF128 */ nullptr,
873 /* UINTTOFP_I64_F32 */ "__floatundisf",
874 /* UINTTOFP_I64_F64 */ "__floatundidf",
875 /* UINTTOFP_I64_F80 */ nullptr,
876 /* UINTTOFP_I64_F128 */ "__floatunditf",
877 /* UINTTOFP_I64_PPCF128 */ nullptr,
878 /* UINTTOFP_I128_F32 */ "__floatuntisf",
879 /* UINTTOFP_I128_F64 */ "__floatuntidf",
880 /* UINTTOFP_I128_F80 */ nullptr,
881 /* UINTTOFP_I128_F128 */ "__floatuntitf",
882 /* UINTTOFP_I128_PPCF128 */ nullptr,
883 /* OEQ_F32 */ "__eqsf2",
884 /* OEQ_F64 */ "__eqdf2",
885 /* OEQ_F128 */ "__eqtf2",
886 /* OEQ_PPCF128 */ nullptr,
887 /* UNE_F32 */ "__nesf2",
888 /* UNE_F64 */ "__nedf2",
889 /* UNE_F128 */ "__netf2",
890 /* UNE_PPCF128 */ nullptr,
891 /* OGE_F32 */ "__gesf2",
892 /* OGE_F64 */ "__gedf2",
893 /* OGE_F128 */ "__getf2",
894 /* OGE_PPCF128 */ nullptr,
895 /* OLT_F32 */ "__ltsf2",
896 /* OLT_F64 */ "__ltdf2",
897 /* OLT_F128 */ "__lttf2",
898 /* OLT_PPCF128 */ nullptr,
899 /* OLE_F32 */ "__lesf2",
900 /* OLE_F64 */ "__ledf2",
901 /* OLE_F128 */ "__letf2",
902 /* OLE_PPCF128 */ nullptr,
903 /* OGT_F32 */ "__gtsf2",
904 /* OGT_F64 */ "__gtdf2",
905 /* OGT_F128 */ "__gttf2",
906 /* OGT_PPCF128 */ nullptr,
907 /* UO_F32 */ "__unordsf2",
908 /* UO_F64 */ "__unorddf2",
909 /* UO_F128 */ "__unordtf2",
910 /* UO_PPCF128 */ nullptr,
911 /* O_F32 */ "__unordsf2",
912 /* O_F64 */ "__unorddf2",
913 /* O_F128 */ "__unordtf2",
914 /* O_PPCF128 */ nullptr,
915 /* MEMCPY */ "memcpy",
916 /* MEMMOVE */ "memset",
917 /* MEMSET */ "memmove",
918 /* BZERO */ nullptr,
919 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_1 */ nullptr,
920 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_2 */ nullptr,
921 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_4 */ nullptr,
922 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_8 */ nullptr,
923 /* MEMCPY_ELEMENT_UNORDERED_ATOMIC_16 */ nullptr,
924 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1 */ nullptr,
925 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2 */ nullptr,
926 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4 */ nullptr,
927 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8 */ nullptr,
928 /* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16 */ nullptr,
929 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_1 */ nullptr,
930 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_2 */ nullptr,
931 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_4 */ nullptr,
932 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_8 */ nullptr,
933 /* MEMSET_ELEMENT_UNORDERED_ATOMIC_16 */ nullptr,
934 /* UNWIND_RESUME */ "_Unwind_Resume",
935 /* SYNC_VAL_COMPARE_AND_SWAP_1 */ "__sync_val_compare_and_swap_1",
936 /* SYNC_VAL_COMPARE_AND_SWAP_2 */ "__sync_val_compare_and_swap_2",
937 /* SYNC_VAL_COMPARE_AND_SWAP_4 */ "__sync_val_compare_and_swap_4",
938 /* SYNC_VAL_COMPARE_AND_SWAP_8 */ "__sync_val_compare_and_swap_8",
939 /* SYNC_VAL_COMPARE_AND_SWAP_16 */ "__sync_val_compare_and_swap_16",
940 /* SYNC_LOCK_TEST_AND_SET_1 */ "__sync_lock_test_and_set_1",
941 /* SYNC_LOCK_TEST_AND_SET_2 */ "__sync_lock_test_and_set_2",
942 /* SYNC_LOCK_TEST_AND_SET_4 */ "__sync_lock_test_and_set_4",
943 /* SYNC_LOCK_TEST_AND_SET_8 */ "__sync_lock_test_and_set_8",
944 /* SYNC_LOCK_TEST_AND_SET_16 */ "__sync_lock_test_and_set_16",
945 /* SYNC_FETCH_AND_ADD_1 */ "__sync_fetch_and_add_1",
946 /* SYNC_FETCH_AND_ADD_2 */ "__sync_fetch_and_add_2",
947 /* SYNC_FETCH_AND_ADD_4 */ "__sync_fetch_and_add_4",
948 /* SYNC_FETCH_AND_ADD_8 */ "__sync_fetch_and_add_8",
949 /* SYNC_FETCH_AND_ADD_16 */ "__sync_fetch_and_add_16",
950 /* SYNC_FETCH_AND_SUB_1 */ "__sync_fetch_and_sub_1",
951 /* SYNC_FETCH_AND_SUB_2 */ "__sync_fetch_and_sub_2",
952 /* SYNC_FETCH_AND_SUB_4 */ "__sync_fetch_and_sub_4",
953 /* SYNC_FETCH_AND_SUB_8 */ "__sync_fetch_and_sub_8",
954 /* SYNC_FETCH_AND_SUB_16 */ "__sync_fetch_and_sub_16",
955 /* SYNC_FETCH_AND_AND_1 */ "__sync_fetch_and_and_1",
956 /* SYNC_FETCH_AND_AND_2 */ "__sync_fetch_and_and_2",
957 /* SYNC_FETCH_AND_AND_4 */ "__sync_fetch_and_and_4",
958 /* SYNC_FETCH_AND_AND_8 */ "__sync_fetch_and_and_8",
959 /* SYNC_FETCH_AND_AND_16 */ "__sync_fetch_and_and_16",
960 /* SYNC_FETCH_AND_OR_1 */ "__sync_fetch_and_or_1",
961 /* SYNC_FETCH_AND_OR_2 */ "__sync_fetch_and_or_2",
962 /* SYNC_FETCH_AND_OR_4 */ "__sync_fetch_and_or_4",
963 /* SYNC_FETCH_AND_OR_8 */ "__sync_fetch_and_or_8",
964 /* SYNC_FETCH_AND_OR_16 */ "__sync_fetch_and_or_16",
965 /* SYNC_FETCH_AND_XOR_1 */ "__sync_fetch_and_xor_1",
966 /* SYNC_FETCH_AND_XOR_2 */ "__sync_fetch_and_xor_2",
967 /* SYNC_FETCH_AND_XOR_4 */ "__sync_fetch_and_xor_4",
968 /* SYNC_FETCH_AND_XOR_8 */ "__sync_fetch_and_xor_8",
969 /* SYNC_FETCH_AND_XOR_16 */ "__sync_fetch_and_xor_16",
970 /* SYNC_FETCH_AND_NAND_1 */ "__sync_fetch_and_nand_1",
971 /* SYNC_FETCH_AND_NAND_2 */ "__sync_fetch_and_nand_2",
972 /* SYNC_FETCH_AND_NAND_4 */ "__sync_fetch_and_nand_4",
973 /* SYNC_FETCH_AND_NAND_8 */ "__sync_fetch_and_nand_8",
974 /* SYNC_FETCH_AND_NAND_16 */ "__sync_fetch_and_nand_16",
975 /* SYNC_FETCH_AND_MAX_1 */ "__sync_fetch_and_max_1",
976 /* SYNC_FETCH_AND_MAX_2 */ "__sync_fetch_and_max_2",
977 /* SYNC_FETCH_AND_MAX_4 */ "__sync_fetch_and_max_4",
978 /* SYNC_FETCH_AND_MAX_8 */ "__sync_fetch_and_max_8",
979 /* SYNC_FETCH_AND_MAX_16 */ "__sync_fetch_and_max_16",
980 /* SYNC_FETCH_AND_UMAX_1 */ "__sync_fetch_and_umax_1",
981 /* SYNC_FETCH_AND_UMAX_2 */ "__sync_fetch_and_umax_2",
982 /* SYNC_FETCH_AND_UMAX_4 */ "__sync_fetch_and_umax_4",
983 /* SYNC_FETCH_AND_UMAX_8 */ "__sync_fetch_and_umax_8",
984 /* SYNC_FETCH_AND_UMAX_16 */ "__sync_fetch_and_umax_16",
985 /* SYNC_FETCH_AND_MIN_1 */ "__sync_fetch_and_min_1",
986 /* SYNC_FETCH_AND_MIN_2 */ "__sync_fetch_and_min_2",
987 /* SYNC_FETCH_AND_MIN_4 */ "__sync_fetch_and_min_4",
988 /* SYNC_FETCH_AND_MIN_8 */ "__sync_fetch_and_min_8",
989 /* SYNC_FETCH_AND_MIN_16 */ "__sync_fetch_and_min_16",
990 /* SYNC_FETCH_AND_UMIN_1 */ "__sync_fetch_and_umin_1",
991 /* SYNC_FETCH_AND_UMIN_2 */ "__sync_fetch_and_umin_2",
992 /* SYNC_FETCH_AND_UMIN_4 */ "__sync_fetch_and_umin_4",
993 /* SYNC_FETCH_AND_UMIN_8 */ "__sync_fetch_and_umin_8",
994 /* SYNC_FETCH_AND_UMIN_16 */ "__sync_fetch_and_umin_16",
995 
996 /* ATOMIC_LOAD */ "__atomic_load",
997 /* ATOMIC_LOAD_1 */ "__atomic_load_1",
998 /* ATOMIC_LOAD_2 */ "__atomic_load_2",
999 /* ATOMIC_LOAD_4 */ "__atomic_load_4",
1000 /* ATOMIC_LOAD_8 */ "__atomic_load_8",
1001 /* ATOMIC_LOAD_16 */ "__atomic_load_16",
1002 
1003 /* ATOMIC_STORE */ "__atomic_store",
1004 /* ATOMIC_STORE_1 */ "__atomic_store_1",
1005 /* ATOMIC_STORE_2 */ "__atomic_store_2",
1006 /* ATOMIC_STORE_4 */ "__atomic_store_4",
1007 /* ATOMIC_STORE_8 */ "__atomic_store_8",
1008 /* ATOMIC_STORE_16 */ "__atomic_store_16",
1009 
1010 /* ATOMIC_EXCHANGE */ "__atomic_exchange",
1011 /* ATOMIC_EXCHANGE_1 */ "__atomic_exchange_1",
1012 /* ATOMIC_EXCHANGE_2 */ "__atomic_exchange_2",
1013 /* ATOMIC_EXCHANGE_4 */ "__atomic_exchange_4",
1014 /* ATOMIC_EXCHANGE_8 */ "__atomic_exchange_8",
1015 /* ATOMIC_EXCHANGE_16 */ "__atomic_exchange_16",
1016 
1017 /* ATOMIC_COMPARE_EXCHANGE */ "__atomic_compare_exchange",
1018 /* ATOMIC_COMPARE_EXCHANGE_1 */ "__atomic_compare_exchange_1",
1019 /* ATOMIC_COMPARE_EXCHANGE_2 */ "__atomic_compare_exchange_2",
1020 /* ATOMIC_COMPARE_EXCHANGE_4 */ "__atomic_compare_exchange_4",
1021 /* ATOMIC_COMPARE_EXCHANGE_8 */ "__atomic_compare_exchange_8",
1022 /* ATOMIC_COMPARE_EXCHANGE_16 */ "__atomic_compare_exchange_16",
1023 
1024 /* ATOMIC_FETCH_ADD_1 */ "__atomic_fetch_add_1",
1025 /* ATOMIC_FETCH_ADD_2 */ "__atomic_fetch_add_2",
1026 /* ATOMIC_FETCH_ADD_4 */ "__atomic_fetch_add_4",
1027 /* ATOMIC_FETCH_ADD_8 */ "__atomic_fetch_add_8",
1028 /* ATOMIC_FETCH_ADD_16 */ "__atomic_fetch_add_16",
1029 /* ATOMIC_FETCH_SUB_1 */ "__atomic_fetch_sub_1",
1030 /* ATOMIC_FETCH_SUB_2 */ "__atomic_fetch_sub_2",
1031 /* ATOMIC_FETCH_SUB_4 */ "__atomic_fetch_sub_4",
1032 /* ATOMIC_FETCH_SUB_8 */ "__atomic_fetch_sub_8",
1033 /* ATOMIC_FETCH_SUB_16 */ "__atomic_fetch_sub_16",
1034 /* ATOMIC_FETCH_AND_1 */ "__atomic_fetch_and_1",
1035 /* ATOMIC_FETCH_AND_2 */ "__atomic_fetch_and_2",
1036 /* ATOMIC_FETCH_AND_4 */ "__atomic_fetch_and_4",
1037 /* ATOMIC_FETCH_AND_8 */ "__atomic_fetch_and_8",
1038 /* ATOMIC_FETCH_AND_16 */ "__atomic_fetch_and_16",
1039 /* ATOMIC_FETCH_OR_1 */ "__atomic_fetch_or_1",
1040 /* ATOMIC_FETCH_OR_2 */ "__atomic_fetch_or_2",
1041 /* ATOMIC_FETCH_OR_4 */ "__atomic_fetch_or_4",
1042 /* ATOMIC_FETCH_OR_8 */ "__atomic_fetch_or_8",
1043 /* ATOMIC_FETCH_OR_16 */ "__atomic_fetch_or_16",
1044 /* ATOMIC_FETCH_XOR_1 */ "__atomic_fetch_xor_1",
1045 /* ATOMIC_FETCH_XOR_2 */ "__atomic_fetch_xor_2",
1046 /* ATOMIC_FETCH_XOR_4 */ "__atomic_fetch_xor_4",
1047 /* ATOMIC_FETCH_XOR_8 */ "__atomic_fetch_xor_8",
1048 /* ATOMIC_FETCH_XOR_16 */ "__atomic_fetch_xor_16",
1049 /* ATOMIC_FETCH_NAND_1 */ "__atomic_fetch_nand_1",
1050 /* ATOMIC_FETCH_NAND_2 */ "__atomic_fetch_nand_2",
1051 /* ATOMIC_FETCH_NAND_4 */ "__atomic_fetch_nand_4",
1052 /* ATOMIC_FETCH_NAND_8 */ "__atomic_fetch_nand_8",
1053 /* ATOMIC_FETCH_NAND_16 */ "__atomic_fetch_nand_16",
1054 
1055 /* STACKPROTECTOR_CHECK_FAIL */ "__stack_chk_fail",
1056 
1057 /* DEOPTIMIZE */ "__llvm_deoptimize",
1058 };
1059 
1060 void llvm::GetSignature(const WebAssemblySubtarget &Subtarget,
1061                         RTLIB::Libcall LC, SmallVectorImpl<wasm::ValType> &Rets,
1062                         SmallVectorImpl<wasm::ValType> &Params) {
1063   assert(Rets.empty());
1064   assert(Params.empty());
1065 
1066   WebAssembly::ExprType iPTR = Subtarget.hasAddr64() ?
1067                                WebAssembly::ExprType::I64 :
1068                                WebAssembly::ExprType::I32;
1069 
1070   switch (RuntimeLibcallSignatures[LC]) {
1071   case func:
1072     break;
1073   case f32_func_f32:
1074     Rets.push_back(wasm::ValType::F32);
1075     Params.push_back(wasm::ValType::F32);
1076     break;
1077   case f32_func_f64:
1078     Rets.push_back(wasm::ValType::F32);
1079     Params.push_back(wasm::ValType::F64);
1080     break;
1081   case f32_func_i32:
1082     Rets.push_back(wasm::ValType::F32);
1083     Params.push_back(wasm::ValType::I32);
1084     break;
1085   case f32_func_i64:
1086     Rets.push_back(wasm::ValType::F32);
1087     Params.push_back(wasm::ValType::I64);
1088     break;
1089   case f32_func_i16:
1090     Rets.push_back(wasm::ValType::F32);
1091     Params.push_back(wasm::ValType::I32);
1092     break;
1093   case f64_func_f32:
1094     Rets.push_back(wasm::ValType::F64);
1095     Params.push_back(wasm::ValType::F32);
1096     break;
1097   case f64_func_f64:
1098     Rets.push_back(wasm::ValType::F64);
1099     Params.push_back(wasm::ValType::F64);
1100     break;
1101   case f64_func_i32:
1102     Rets.push_back(wasm::ValType::F64);
1103     Params.push_back(wasm::ValType::I32);
1104     break;
1105   case f64_func_i64:
1106     Rets.push_back(wasm::ValType::F64);
1107     Params.push_back(wasm::ValType::I64);
1108     break;
1109   case i32_func_f32:
1110     Rets.push_back(wasm::ValType::I32);
1111     Params.push_back(wasm::ValType::F32);
1112     break;
1113   case i32_func_f64:
1114     Rets.push_back(wasm::ValType::I32);
1115     Params.push_back(wasm::ValType::F64);
1116     break;
1117   case i32_func_i32:
1118     Rets.push_back(wasm::ValType::I32);
1119     Params.push_back(wasm::ValType::I32);
1120     break;
1121   case i64_func_f32:
1122     Rets.push_back(wasm::ValType::I64);
1123     Params.push_back(wasm::ValType::F32);
1124     break;
1125   case i64_func_f64:
1126     Rets.push_back(wasm::ValType::I64);
1127     Params.push_back(wasm::ValType::F64);
1128     break;
1129   case i64_func_i64:
1130     Rets.push_back(wasm::ValType::I64);
1131     Params.push_back(wasm::ValType::I64);
1132     break;
1133   case f32_func_f32_f32:
1134     Rets.push_back(wasm::ValType::F32);
1135     Params.push_back(wasm::ValType::F32);
1136     Params.push_back(wasm::ValType::F32);
1137     break;
1138   case f32_func_f32_i32:
1139     Rets.push_back(wasm::ValType::F32);
1140     Params.push_back(wasm::ValType::F32);
1141     Params.push_back(wasm::ValType::I32);
1142     break;
1143   case f32_func_i64_i64:
1144     Rets.push_back(wasm::ValType::F32);
1145     Params.push_back(wasm::ValType::I64);
1146     Params.push_back(wasm::ValType::I64);
1147     break;
1148   case f64_func_f64_f64:
1149     Rets.push_back(wasm::ValType::F64);
1150     Params.push_back(wasm::ValType::F64);
1151     Params.push_back(wasm::ValType::F64);
1152     break;
1153   case f64_func_f64_i32:
1154     Rets.push_back(wasm::ValType::F64);
1155     Params.push_back(wasm::ValType::F64);
1156     Params.push_back(wasm::ValType::I32);
1157     break;
1158   case f64_func_i64_i64:
1159     Rets.push_back(wasm::ValType::F64);
1160     Params.push_back(wasm::ValType::I64);
1161     Params.push_back(wasm::ValType::I64);
1162     break;
1163   case i16_func_f32:
1164     Rets.push_back(wasm::ValType::I32);
1165     Params.push_back(wasm::ValType::F32);
1166     break;
1167   case i8_func_i8_i8:
1168     Rets.push_back(wasm::ValType::I32);
1169     Params.push_back(wasm::ValType::I32);
1170     Params.push_back(wasm::ValType::I32);
1171     break;
1172   case func_f32_iPTR_iPTR:
1173     Params.push_back(wasm::ValType::F32);
1174     Params.push_back(wasm::ValType(iPTR));
1175     Params.push_back(wasm::ValType(iPTR));
1176     break;
1177   case func_f64_iPTR_iPTR:
1178     Params.push_back(wasm::ValType::F64);
1179     Params.push_back(wasm::ValType(iPTR));
1180     Params.push_back(wasm::ValType(iPTR));
1181     break;
1182   case i16_func_i16_i16:
1183     Rets.push_back(wasm::ValType::I32);
1184     Params.push_back(wasm::ValType::I32);
1185     Params.push_back(wasm::ValType::I32);
1186     break;
1187   case i32_func_f32_f32:
1188     Rets.push_back(wasm::ValType::I32);
1189     Params.push_back(wasm::ValType::F32);
1190     Params.push_back(wasm::ValType::F32);
1191     break;
1192   case i32_func_f64_f64:
1193     Rets.push_back(wasm::ValType::I32);
1194     Params.push_back(wasm::ValType::F64);
1195     Params.push_back(wasm::ValType::F64);
1196     break;
1197   case i32_func_i32_i32:
1198     Rets.push_back(wasm::ValType::I32);
1199     Params.push_back(wasm::ValType::I32);
1200     Params.push_back(wasm::ValType::I32);
1201     break;
1202   case i64_func_i64_i64:
1203     Rets.push_back(wasm::ValType::I64);
1204     Params.push_back(wasm::ValType::I64);
1205     Params.push_back(wasm::ValType::I64);
1206     break;
1207   case i64_i64_func_f32:
1208 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1209     Rets.push_back(wasm::ValType::I64);
1210     Rets.push_back(wasm::ValType::I64);
1211 #else
1212     Params.push_back(wasm::ValType(iPTR));
1213 #endif
1214     Params.push_back(wasm::ValType::F32);
1215     break;
1216   case i64_i64_func_f64:
1217 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1218     Rets.push_back(wasm::ValType::I64);
1219     Rets.push_back(wasm::ValType::I64);
1220 #else
1221     Params.push_back(wasm::ValType(iPTR));
1222 #endif
1223     Params.push_back(wasm::ValType::F64);
1224     break;
1225   case i16_i16_func_i16_i16:
1226 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1227     Rets.push_back(wasm::ValType::I32);
1228     Rets.push_back(wasm::ValType::I32);
1229 #else
1230     Params.push_back(wasm::ValType(iPTR));
1231 #endif
1232     Params.push_back(wasm::ValType::I32);
1233     Params.push_back(wasm::ValType::I32);
1234     break;
1235   case i32_i32_func_i32_i32:
1236 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1237     Rets.push_back(wasm::ValType::I32);
1238     Rets.push_back(wasm::ValType::I32);
1239 #else
1240     Params.push_back(wasm::ValType(iPTR));
1241 #endif
1242     Params.push_back(wasm::ValType::I32);
1243     Params.push_back(wasm::ValType::I32);
1244     break;
1245   case i64_i64_func_i64_i64:
1246 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1247     Rets.push_back(wasm::ValType::I64);
1248     Rets.push_back(wasm::ValType::I64);
1249 #else
1250     Params.push_back(wasm::ValType(iPTR));
1251 #endif
1252     Params.push_back(wasm::ValType::I64);
1253     Params.push_back(wasm::ValType::I64);
1254     break;
1255   case i64_i64_func_i64_i64_i64_i64:
1256 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1257     Rets.push_back(wasm::ValType::I64);
1258     Rets.push_back(wasm::ValType::I64);
1259 #else
1260     Params.push_back(wasm::ValType(iPTR));
1261 #endif
1262     Params.push_back(wasm::ValType::I64);
1263     Params.push_back(wasm::ValType::I64);
1264     Params.push_back(wasm::ValType::I64);
1265     Params.push_back(wasm::ValType::I64);
1266     break;
1267   case i64_i64_i64_i64_func_i64_i64_i64_i64:
1268 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1269     Rets.push_back(wasm::ValType::I64);
1270     Rets.push_back(wasm::ValType::I64);
1271     Rets.push_back(wasm::ValType::I64);
1272     Rets.push_back(wasm::ValType::I64);
1273 #else
1274     Params.push_back(wasm::ValType(iPTR));
1275 #endif
1276     Params.push_back(wasm::ValType::I64);
1277     Params.push_back(wasm::ValType::I64);
1278     Params.push_back(wasm::ValType::I64);
1279     Params.push_back(wasm::ValType::I64);
1280     break;
1281   case i64_i64_func_i64_i64_i32:
1282 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
1283     Rets.push_back(wasm::ValType::I64);
1284     Rets.push_back(wasm::ValType::I64);
1285     Rets.push_back(wasm::ValType::I64);
1286     Rets.push_back(wasm::ValType::I64);
1287 #else
1288     Params.push_back(wasm::ValType(iPTR));
1289 #endif
1290     Params.push_back(wasm::ValType::I64);
1291     Params.push_back(wasm::ValType::I64);
1292     Params.push_back(wasm::ValType::I32);
1293     break;
1294   case iPTR_func_iPTR_i32_iPTR:
1295     Rets.push_back(wasm::ValType(iPTR));
1296     Params.push_back(wasm::ValType(iPTR));
1297     Params.push_back(wasm::ValType::I32);
1298     Params.push_back(wasm::ValType(iPTR));
1299     break;
1300   case iPTR_func_iPTR_iPTR_iPTR:
1301     Rets.push_back(wasm::ValType(iPTR));
1302     Params.push_back(wasm::ValType(iPTR));
1303     Params.push_back(wasm::ValType(iPTR));
1304     Params.push_back(wasm::ValType(iPTR));
1305     break;
1306   case f32_func_f32_f32_f32:
1307     Rets.push_back(wasm::ValType::F32);
1308     Params.push_back(wasm::ValType::F32);
1309     Params.push_back(wasm::ValType::F32);
1310     Params.push_back(wasm::ValType::F32);
1311     break;
1312   case f64_func_f64_f64_f64:
1313     Rets.push_back(wasm::ValType::F64);
1314     Params.push_back(wasm::ValType::F64);
1315     Params.push_back(wasm::ValType::F64);
1316     Params.push_back(wasm::ValType::F64);
1317     break;
1318   case func_i64_i64_iPTR_iPTR:
1319     Params.push_back(wasm::ValType::I64);
1320     Params.push_back(wasm::ValType::I64);
1321     Params.push_back(wasm::ValType(iPTR));
1322     Params.push_back(wasm::ValType(iPTR));
1323     break;
1324   case func_iPTR_f32:
1325     Params.push_back(wasm::ValType(iPTR));
1326     Params.push_back(wasm::ValType::F32);
1327     break;
1328   case func_iPTR_f64:
1329     Params.push_back(wasm::ValType(iPTR));
1330     Params.push_back(wasm::ValType::F64);
1331     break;
1332   case func_iPTR_i32:
1333     Params.push_back(wasm::ValType(iPTR));
1334     Params.push_back(wasm::ValType::I32);
1335     break;
1336   case func_iPTR_i64:
1337     Params.push_back(wasm::ValType(iPTR));
1338     Params.push_back(wasm::ValType::I64);
1339     break;
1340   case func_iPTR_i64_i64:
1341     Params.push_back(wasm::ValType(iPTR));
1342     Params.push_back(wasm::ValType::I64);
1343     Params.push_back(wasm::ValType::I64);
1344     break;
1345   case func_iPTR_i64_i64_i64_i64:
1346     Params.push_back(wasm::ValType(iPTR));
1347     Params.push_back(wasm::ValType::I64);
1348     Params.push_back(wasm::ValType::I64);
1349     Params.push_back(wasm::ValType::I64);
1350     Params.push_back(wasm::ValType::I64);
1351     break;
1352   case func_iPTR_i64_i64_i64_i64_i64_i64:
1353     Params.push_back(wasm::ValType(iPTR));
1354     Params.push_back(wasm::ValType::I64);
1355     Params.push_back(wasm::ValType::I64);
1356     Params.push_back(wasm::ValType::I64);
1357     Params.push_back(wasm::ValType::I64);
1358     Params.push_back(wasm::ValType::I64);
1359     Params.push_back(wasm::ValType::I64);
1360     break;
1361   case i32_func_i64_i64:
1362     Rets.push_back(wasm::ValType::I32);
1363     Params.push_back(wasm::ValType::I64);
1364     Params.push_back(wasm::ValType::I64);
1365     break;
1366   case i32_func_i64_i64_i64_i64:
1367     Rets.push_back(wasm::ValType::I32);
1368     Params.push_back(wasm::ValType::I64);
1369     Params.push_back(wasm::ValType::I64);
1370     Params.push_back(wasm::ValType::I64);
1371     Params.push_back(wasm::ValType::I64);
1372     break;
1373   case unsupported:
1374     llvm_unreachable("unsupported runtime library signature");
1375   }
1376 }
1377 
1378 void llvm::GetSignature(const WebAssemblySubtarget &Subtarget, const char *Name,
1379                         SmallVectorImpl<wasm::ValType> &Rets,
1380                         SmallVectorImpl<wasm::ValType> &Params) {
1381   assert(strcmp(RuntimeLibcallNames[RTLIB::DEOPTIMIZE], "__llvm_deoptimize") ==
1382          0);
1383 
1384   for (size_t i = 0, e = RTLIB::UNKNOWN_LIBCALL; i < e; ++i)
1385     if (RuntimeLibcallNames[i] && strcmp(RuntimeLibcallNames[i], Name) == 0)
1386       return GetSignature(Subtarget, RTLIB::Libcall(i), Rets, Params);
1387 
1388   llvm_unreachable("unexpected runtime library name");
1389 }
1390