LLVM 17.0.0git
WebAssemblyRuntimeLibcallSignatures.cpp
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1// CodeGen/RuntimeLibcallSignatures.cpp - R.T. Lib. Call Signatures -*- 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 contains signature information for runtime libcalls.
11///
12/// CodeGen uses external symbols, which it refers to by name. The WebAssembly
13/// target needs type information for all functions. This file contains a big
14/// table providing type signatures for all runtime library functions that LLVM
15/// uses.
16///
17/// This is currently a fairly heavy-handed solution.
18///
19//===----------------------------------------------------------------------===//
20
24
25using namespace llvm;
26
27namespace {
28
29enum RuntimeLibcallSignature {
30 func,
31 f32_func_f32,
32 f32_func_f64,
33 f32_func_i32,
34 f32_func_i64,
35 f32_func_i16,
36 f64_func_f32,
37 f64_func_f64,
38 f64_func_i32,
39 f64_func_i64,
40 i32_func_f32,
41 i32_func_f64,
42 i32_func_i32,
43 i64_func_f32,
44 i64_func_f64,
45 i64_func_i64,
46 f32_func_f32_f32,
47 f32_func_f32_i32,
48 f32_func_i64_i64,
49 f64_func_f64_f64,
50 f64_func_f64_i32,
51 f64_func_i64_i64,
52 i16_func_f32,
53 i16_func_f64,
54 i16_func_i64_i64,
55 i8_func_i8_i8,
56 func_f32_iPTR_iPTR,
57 func_f64_iPTR_iPTR,
58 i16_func_i16_i16,
59 i32_func_f32_f32,
60 i32_func_f64_f64,
61 i32_func_i32_i32,
62 i32_func_i32_i32_iPTR,
63 i64_func_i64_i64,
64 i64_func_i64_i64_iPTR,
65 i64_i64_func_i32,
66 i64_i64_func_i64,
67 i64_i64_func_f32,
68 i64_i64_func_f64,
69 i16_i16_func_i16_i16,
70 i32_i32_func_i32_i32,
71 i64_i64_func_i64_i64,
72 i64_i64_func_i64_i64_i64_i64,
73 i64_i64_func_i64_i64_i64_i64_iPTR,
74 i64_i64_i64_i64_func_i64_i64_i64_i64,
75 i64_i64_func_i64_i64_i32,
76 i64_i64_func_i64_i64_i64_i64_i64_i64,
77 iPTR_func_i32,
78 iPTR_func_iPTR_i32_iPTR,
79 iPTR_func_iPTR_iPTR_iPTR,
80 f32_func_f32_f32_f32,
81 f64_func_f64_f64_f64,
82 func_i64_i64_iPTR_iPTR,
83 i32_func_i64_i64,
84 i32_func_i64_i64_i64_i64,
85 iPTR_func_f32,
86 iPTR_func_f64,
87 iPTR_func_i64_i64,
89};
90
91struct RuntimeLibcallSignatureTable {
92 std::vector<RuntimeLibcallSignature> Table;
93
94 // Any newly-added libcalls will be unsupported by default.
95 RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) {
96 // Integer
97 Table[RTLIB::SHL_I16] = i16_func_i16_i16;
98 Table[RTLIB::SHL_I32] = i32_func_i32_i32;
99 Table[RTLIB::SHL_I64] = i64_func_i64_i64;
100 Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32;
101 Table[RTLIB::SRL_I16] = i16_func_i16_i16;
102 Table[RTLIB::SRL_I32] = i32_func_i32_i32;
103 Table[RTLIB::SRL_I64] = i64_func_i64_i64;
104 Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32;
105 Table[RTLIB::SRA_I16] = i16_func_i16_i16;
106 Table[RTLIB::SRA_I32] = i32_func_i32_i32;
107 Table[RTLIB::SRA_I64] = i64_func_i64_i64;
108 Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32;
109 Table[RTLIB::MUL_I8] = i8_func_i8_i8;
110 Table[RTLIB::MUL_I16] = i16_func_i16_i16;
111 Table[RTLIB::MUL_I32] = i32_func_i32_i32;
112 Table[RTLIB::MUL_I64] = i64_func_i64_i64;
113 Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64;
114 Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR;
115 Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR;
116 Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR;
117 Table[RTLIB::SDIV_I8] = i8_func_i8_i8;
118 Table[RTLIB::SDIV_I16] = i16_func_i16_i16;
119 Table[RTLIB::SDIV_I32] = i32_func_i32_i32;
120 Table[RTLIB::SDIV_I64] = i64_func_i64_i64;
121 Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64;
122 Table[RTLIB::UDIV_I8] = i8_func_i8_i8;
123 Table[RTLIB::UDIV_I16] = i16_func_i16_i16;
124 Table[RTLIB::UDIV_I32] = i32_func_i32_i32;
125 Table[RTLIB::UDIV_I64] = i64_func_i64_i64;
126 Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64;
127 Table[RTLIB::SREM_I8] = i8_func_i8_i8;
128 Table[RTLIB::SREM_I16] = i16_func_i16_i16;
129 Table[RTLIB::SREM_I32] = i32_func_i32_i32;
130 Table[RTLIB::SREM_I64] = i64_func_i64_i64;
131 Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64;
132 Table[RTLIB::UREM_I8] = i8_func_i8_i8;
133 Table[RTLIB::UREM_I16] = i16_func_i16_i16;
134 Table[RTLIB::UREM_I32] = i32_func_i32_i32;
135 Table[RTLIB::UREM_I64] = i64_func_i64_i64;
136 Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64;
137 Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8;
138 Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16;
139 Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32;
140 Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64;
141 Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64;
142 Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8;
143 Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16;
144 Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32;
145 Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64;
146 Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64;
147 Table[RTLIB::NEG_I32] = i32_func_i32;
148 Table[RTLIB::NEG_I64] = i64_func_i64;
149
150 // Floating-point.
151 // All F80 and PPCF128 routines are unsupported.
152 Table[RTLIB::ADD_F32] = f32_func_f32_f32;
153 Table[RTLIB::ADD_F64] = f64_func_f64_f64;
154 Table[RTLIB::ADD_F128] = i64_i64_func_i64_i64_i64_i64;
155 Table[RTLIB::SUB_F32] = f32_func_f32_f32;
156 Table[RTLIB::SUB_F64] = f64_func_f64_f64;
157 Table[RTLIB::SUB_F128] = i64_i64_func_i64_i64_i64_i64;
158 Table[RTLIB::MUL_F32] = f32_func_f32_f32;
159 Table[RTLIB::MUL_F64] = f64_func_f64_f64;
160 Table[RTLIB::MUL_F128] = i64_i64_func_i64_i64_i64_i64;
161 Table[RTLIB::DIV_F32] = f32_func_f32_f32;
162 Table[RTLIB::DIV_F64] = f64_func_f64_f64;
163 Table[RTLIB::DIV_F128] = i64_i64_func_i64_i64_i64_i64;
164 Table[RTLIB::REM_F32] = f32_func_f32_f32;
165 Table[RTLIB::REM_F64] = f64_func_f64_f64;
166 Table[RTLIB::REM_F128] = i64_i64_func_i64_i64_i64_i64;
167 Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32;
168 Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64;
169 Table[RTLIB::FMA_F128] = i64_i64_func_i64_i64_i64_i64_i64_i64;
170 Table[RTLIB::POWI_F32] = f32_func_f32_i32;
171 Table[RTLIB::POWI_F64] = f64_func_f64_i32;
172 Table[RTLIB::POWI_F128] = i64_i64_func_i64_i64_i32;
173 Table[RTLIB::SQRT_F32] = f32_func_f32;
174 Table[RTLIB::SQRT_F64] = f64_func_f64;
175 Table[RTLIB::SQRT_F128] = i64_i64_func_i64_i64;
176 Table[RTLIB::CBRT_F32] = f32_func_f32;
177 Table[RTLIB::CBRT_F64] = f64_func_f64;
178 Table[RTLIB::CBRT_F128] = i64_i64_func_i64_i64;
179 Table[RTLIB::LOG_F32] = f32_func_f32;
180 Table[RTLIB::LOG_F64] = f64_func_f64;
181 Table[RTLIB::LOG_F128] = i64_i64_func_i64_i64;
182 Table[RTLIB::LOG2_F32] = f32_func_f32;
183 Table[RTLIB::LOG2_F64] = f64_func_f64;
184 Table[RTLIB::LOG2_F128] = i64_i64_func_i64_i64;
185 Table[RTLIB::LOG10_F32] = f32_func_f32;
186 Table[RTLIB::LOG10_F64] = f64_func_f64;
187 Table[RTLIB::LOG10_F128] = i64_i64_func_i64_i64;
188 Table[RTLIB::EXP_F32] = f32_func_f32;
189 Table[RTLIB::EXP_F64] = f64_func_f64;
190 Table[RTLIB::EXP_F128] = i64_i64_func_i64_i64;
191 Table[RTLIB::EXP2_F32] = f32_func_f32;
192 Table[RTLIB::EXP2_F64] = f64_func_f64;
193 Table[RTLIB::EXP2_F128] = i64_i64_func_i64_i64;
194 Table[RTLIB::SIN_F32] = f32_func_f32;
195 Table[RTLIB::SIN_F64] = f64_func_f64;
196 Table[RTLIB::SIN_F128] = i64_i64_func_i64_i64;
197 Table[RTLIB::COS_F32] = f32_func_f32;
198 Table[RTLIB::COS_F64] = f64_func_f64;
199 Table[RTLIB::COS_F128] = i64_i64_func_i64_i64;
200 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR;
201 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR;
202 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR;
203 Table[RTLIB::POW_F32] = f32_func_f32_f32;
204 Table[RTLIB::POW_F64] = f64_func_f64_f64;
205 Table[RTLIB::POW_F128] = i64_i64_func_i64_i64_i64_i64;
206 Table[RTLIB::CEIL_F32] = f32_func_f32;
207 Table[RTLIB::CEIL_F64] = f64_func_f64;
208 Table[RTLIB::CEIL_F128] = i64_i64_func_i64_i64;
209 Table[RTLIB::TRUNC_F32] = f32_func_f32;
210 Table[RTLIB::TRUNC_F64] = f64_func_f64;
211 Table[RTLIB::TRUNC_F128] = i64_i64_func_i64_i64;
212 Table[RTLIB::RINT_F32] = f32_func_f32;
213 Table[RTLIB::RINT_F64] = f64_func_f64;
214 Table[RTLIB::RINT_F128] = i64_i64_func_i64_i64;
215 Table[RTLIB::NEARBYINT_F32] = f32_func_f32;
216 Table[RTLIB::NEARBYINT_F64] = f64_func_f64;
217 Table[RTLIB::NEARBYINT_F128] = i64_i64_func_i64_i64;
218 Table[RTLIB::ROUND_F32] = f32_func_f32;
219 Table[RTLIB::ROUND_F64] = f64_func_f64;
220 Table[RTLIB::ROUND_F128] = i64_i64_func_i64_i64;
221 Table[RTLIB::ROUNDEVEN_F32] = f32_func_f32;
222 Table[RTLIB::ROUNDEVEN_F64] = f64_func_f64;
223 Table[RTLIB::ROUNDEVEN_F128] = i64_i64_func_i64_i64;
224 Table[RTLIB::LROUND_F32] = iPTR_func_f32;
225 Table[RTLIB::LROUND_F64] = iPTR_func_f64;
226 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64;
227 Table[RTLIB::LLROUND_F32] = i64_func_f32;
228 Table[RTLIB::LLROUND_F64] = i64_func_f64;
229 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64;
230 Table[RTLIB::LRINT_F32] = iPTR_func_f32;
231 Table[RTLIB::LRINT_F64] = iPTR_func_f64;
232 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64;
233 Table[RTLIB::LLRINT_F32] = i64_func_f32;
234 Table[RTLIB::LLRINT_F64] = i64_func_f64;
235 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64;
236 Table[RTLIB::FLOOR_F32] = f32_func_f32;
237 Table[RTLIB::FLOOR_F64] = f64_func_f64;
238 Table[RTLIB::FLOOR_F128] = i64_i64_func_i64_i64;
239 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32;
240 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64;
241 Table[RTLIB::COPYSIGN_F128] = i64_i64_func_i64_i64_i64_i64;
242 Table[RTLIB::FMIN_F32] = f32_func_f32_f32;
243 Table[RTLIB::FMIN_F64] = f64_func_f64_f64;
244 Table[RTLIB::FMIN_F128] = i64_i64_func_i64_i64_i64_i64;
245 Table[RTLIB::FMAX_F32] = f32_func_f32_f32;
246 Table[RTLIB::FMAX_F64] = f64_func_f64_f64;
247 Table[RTLIB::FMAX_F128] = i64_i64_func_i64_i64_i64_i64;
248
249 // Conversion
250 // All F80 and PPCF128 routines are unsupported.
251 Table[RTLIB::FPEXT_F64_F128] = i64_i64_func_f64;
252 Table[RTLIB::FPEXT_F32_F128] = i64_i64_func_f32;
253 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32;
254 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16;
255 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32;
256 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64;
257 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64;
258 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64;
259 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64;
260 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64;
261 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32;
262 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32;
263 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32;
264 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64;
265 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64;
266 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64;
267 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64;
268 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64;
269 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64;
270 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32;
271 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32;
272 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32;
273 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64;
274 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64;
275 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64;
276 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64;
277 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64;
278 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64;
279 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32;
280 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32;
281 Table[RTLIB::SINTTOFP_I32_F128] = i64_i64_func_i32;
282 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64;
283 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64;
284 Table[RTLIB::SINTTOFP_I64_F128] = i64_i64_func_i64;
285 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64;
286 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64;
287 Table[RTLIB::SINTTOFP_I128_F128] = i64_i64_func_i64_i64;
288 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32;
289 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64;
290 Table[RTLIB::UINTTOFP_I32_F128] = i64_i64_func_i32;
291 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64;
292 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64;
293 Table[RTLIB::UINTTOFP_I64_F128] = i64_i64_func_i64;
294 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64;
295 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64;
296 Table[RTLIB::UINTTOFP_I128_F128] = i64_i64_func_i64_i64;
297
298 // Comparison
299 // ALl F80 and PPCF128 routines are unsupported.
300 Table[RTLIB::OEQ_F32] = i32_func_f32_f32;
301 Table[RTLIB::OEQ_F64] = i32_func_f64_f64;
302 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64;
303 Table[RTLIB::UNE_F32] = i32_func_f32_f32;
304 Table[RTLIB::UNE_F64] = i32_func_f64_f64;
305 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64;
306 Table[RTLIB::OGE_F32] = i32_func_f32_f32;
307 Table[RTLIB::OGE_F64] = i32_func_f64_f64;
308 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64;
309 Table[RTLIB::OLT_F32] = i32_func_f32_f32;
310 Table[RTLIB::OLT_F64] = i32_func_f64_f64;
311 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64;
312 Table[RTLIB::OLE_F32] = i32_func_f32_f32;
313 Table[RTLIB::OLE_F64] = i32_func_f64_f64;
314 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64;
315 Table[RTLIB::OGT_F32] = i32_func_f32_f32;
316 Table[RTLIB::OGT_F64] = i32_func_f64_f64;
317 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64;
318 Table[RTLIB::UO_F32] = i32_func_f32_f32;
319 Table[RTLIB::UO_F64] = i32_func_f64_f64;
320 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64;
321
322 // Memory
323 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR;
324 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR;
325 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR;
326
327 // __stack_chk_fail
328 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func;
329
330 // Return address handling
331 Table[RTLIB::RETURN_ADDRESS] = iPTR_func_i32;
332
333 // Element-wise Atomic memory
334 // TODO: Fix these when we implement atomic support
335 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
336 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
337 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
338 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
339 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
340 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
341 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
342 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
343 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
344 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
345
346 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
347 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
348 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
349 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
350 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
351
352 // Atomic '__sync_*' libcalls.
353 // TODO: Fix these when we implement atomic support
354 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported;
355 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported;
356 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported;
357 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported;
358 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported;
359 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported;
360 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported;
361 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported;
362 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported;
363 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported;
364 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported;
365 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported;
366 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported;
367 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported;
368 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported;
369 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported;
370 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported;
371 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported;
372 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported;
373 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported;
374 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported;
375 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported;
376 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported;
377 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported;
378 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported;
379 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported;
380 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported;
381 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported;
382 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported;
383 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported;
384 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported;
385 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported;
386 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported;
387 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported;
388 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported;
389 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported;
390 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported;
391 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported;
392 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported;
393 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported;
394 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported;
395 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported;
396 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported;
397 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported;
398 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported;
399 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported;
400 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported;
401 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported;
402 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported;
403 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported;
404 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported;
405 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported;
406 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported;
407 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported;
408 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported;
409 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported;
410 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported;
411 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported;
412 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported;
413 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported;
414
415 // Atomic '__atomic_*' libcalls.
416 // TODO: Fix these when we implement atomic support
417 Table[RTLIB::ATOMIC_LOAD] = unsupported;
418 Table[RTLIB::ATOMIC_LOAD_1] = unsupported;
419 Table[RTLIB::ATOMIC_LOAD_2] = unsupported;
420 Table[RTLIB::ATOMIC_LOAD_4] = unsupported;
421 Table[RTLIB::ATOMIC_LOAD_8] = unsupported;
422 Table[RTLIB::ATOMIC_LOAD_16] = unsupported;
423
424 Table[RTLIB::ATOMIC_STORE] = unsupported;
425 Table[RTLIB::ATOMIC_STORE_1] = unsupported;
426 Table[RTLIB::ATOMIC_STORE_2] = unsupported;
427 Table[RTLIB::ATOMIC_STORE_4] = unsupported;
428 Table[RTLIB::ATOMIC_STORE_8] = unsupported;
429 Table[RTLIB::ATOMIC_STORE_16] = unsupported;
430
431 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported;
432 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported;
433 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported;
434 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported;
435 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported;
436 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported;
437
438 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported;
439 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported;
440 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported;
441 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported;
442 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported;
443 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported;
444
445 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported;
446 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported;
447 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported;
448 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported;
449 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported;
450
451 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported;
452 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported;
453 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported;
454 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported;
455 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported;
456
457 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported;
458 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported;
459 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported;
460 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported;
461 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported;
462
463 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported;
464 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported;
465 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported;
466 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported;
467 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported;
468
469 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported;
470 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported;
471 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported;
472 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported;
473 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported;
474
475 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported;
476 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported;
477 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported;
478 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported;
479 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported;
480 }
481};
482
483RuntimeLibcallSignatureTable &getRuntimeLibcallSignatures() {
484 static RuntimeLibcallSignatureTable RuntimeLibcallSignatures;
485 return RuntimeLibcallSignatures;
486}
487
488// Maps libcall names to their RTLIB::Libcall number. Builds the map in a
489// constructor for use with a static variable
490struct StaticLibcallNameMap {
492 StaticLibcallNameMap() {
493 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = {
494#define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code},
495#include "llvm/IR/RuntimeLibcalls.def"
496#undef HANDLE_LIBCALL
497 };
498 for (const auto &NameLibcall : NameLibcalls) {
499 if (NameLibcall.first != nullptr &&
500 getRuntimeLibcallSignatures().Table[NameLibcall.second] !=
501 unsupported) {
502 assert(!Map.contains(NameLibcall.first) &&
503 "duplicate libcall names in name map");
504 Map[NameLibcall.first] = NameLibcall.second;
505 }
506 }
507 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is
508 // consistent with the f64 and f128 names.
509 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32;
510 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16;
511
512 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS;
513 }
514};
515
516} // end anonymous namespace
517
522 assert(Rets.empty());
523 assert(Params.empty());
524
525 wasm::ValType PtrTy =
526 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32;
527
528 auto &Table = getRuntimeLibcallSignatures().Table;
529 switch (Table[LC]) {
530 case func:
531 break;
532 case f32_func_f32:
533 Rets.push_back(wasm::ValType::F32);
534 Params.push_back(wasm::ValType::F32);
535 break;
536 case f32_func_f64:
537 Rets.push_back(wasm::ValType::F32);
538 Params.push_back(wasm::ValType::F64);
539 break;
540 case f32_func_i32:
541 Rets.push_back(wasm::ValType::F32);
542 Params.push_back(wasm::ValType::I32);
543 break;
544 case f32_func_i64:
545 Rets.push_back(wasm::ValType::F32);
546 Params.push_back(wasm::ValType::I64);
547 break;
548 case f32_func_i16:
549 Rets.push_back(wasm::ValType::F32);
550 Params.push_back(wasm::ValType::I32);
551 break;
552 case f64_func_f32:
553 Rets.push_back(wasm::ValType::F64);
554 Params.push_back(wasm::ValType::F32);
555 break;
556 case f64_func_f64:
557 Rets.push_back(wasm::ValType::F64);
558 Params.push_back(wasm::ValType::F64);
559 break;
560 case f64_func_i32:
561 Rets.push_back(wasm::ValType::F64);
562 Params.push_back(wasm::ValType::I32);
563 break;
564 case f64_func_i64:
565 Rets.push_back(wasm::ValType::F64);
566 Params.push_back(wasm::ValType::I64);
567 break;
568 case i32_func_f32:
569 Rets.push_back(wasm::ValType::I32);
570 Params.push_back(wasm::ValType::F32);
571 break;
572 case i32_func_f64:
573 Rets.push_back(wasm::ValType::I32);
574 Params.push_back(wasm::ValType::F64);
575 break;
576 case i32_func_i32:
577 Rets.push_back(wasm::ValType::I32);
578 Params.push_back(wasm::ValType::I32);
579 break;
580 case i64_func_f32:
581 Rets.push_back(wasm::ValType::I64);
582 Params.push_back(wasm::ValType::F32);
583 break;
584 case i64_func_f64:
585 Rets.push_back(wasm::ValType::I64);
586 Params.push_back(wasm::ValType::F64);
587 break;
588 case i64_func_i64:
589 Rets.push_back(wasm::ValType::I64);
590 Params.push_back(wasm::ValType::I64);
591 break;
592 case f32_func_f32_f32:
593 Rets.push_back(wasm::ValType::F32);
594 Params.push_back(wasm::ValType::F32);
595 Params.push_back(wasm::ValType::F32);
596 break;
597 case f32_func_f32_i32:
598 Rets.push_back(wasm::ValType::F32);
599 Params.push_back(wasm::ValType::F32);
600 Params.push_back(wasm::ValType::I32);
601 break;
602 case f32_func_i64_i64:
603 Rets.push_back(wasm::ValType::F32);
604 Params.push_back(wasm::ValType::I64);
605 Params.push_back(wasm::ValType::I64);
606 break;
607 case f64_func_f64_f64:
608 Rets.push_back(wasm::ValType::F64);
609 Params.push_back(wasm::ValType::F64);
610 Params.push_back(wasm::ValType::F64);
611 break;
612 case f64_func_f64_i32:
613 Rets.push_back(wasm::ValType::F64);
614 Params.push_back(wasm::ValType::F64);
615 Params.push_back(wasm::ValType::I32);
616 break;
617 case f64_func_i64_i64:
618 Rets.push_back(wasm::ValType::F64);
619 Params.push_back(wasm::ValType::I64);
620 Params.push_back(wasm::ValType::I64);
621 break;
622 case i16_func_f32:
623 Rets.push_back(wasm::ValType::I32);
624 Params.push_back(wasm::ValType::F32);
625 break;
626 case i16_func_f64:
627 Rets.push_back(wasm::ValType::I32);
628 Params.push_back(wasm::ValType::F64);
629 break;
630 case i16_func_i64_i64:
631 Rets.push_back(wasm::ValType::I32);
632 Params.push_back(wasm::ValType::I64);
633 Params.push_back(wasm::ValType::I64);
634 break;
635 case i8_func_i8_i8:
636 Rets.push_back(wasm::ValType::I32);
637 Params.push_back(wasm::ValType::I32);
638 Params.push_back(wasm::ValType::I32);
639 break;
640 case func_f32_iPTR_iPTR:
641 Params.push_back(wasm::ValType::F32);
642 Params.push_back(PtrTy);
643 Params.push_back(PtrTy);
644 break;
645 case func_f64_iPTR_iPTR:
646 Params.push_back(wasm::ValType::F64);
647 Params.push_back(PtrTy);
648 Params.push_back(PtrTy);
649 break;
650 case i16_func_i16_i16:
651 Rets.push_back(wasm::ValType::I32);
652 Params.push_back(wasm::ValType::I32);
653 Params.push_back(wasm::ValType::I32);
654 break;
655 case i32_func_f32_f32:
656 Rets.push_back(wasm::ValType::I32);
657 Params.push_back(wasm::ValType::F32);
658 Params.push_back(wasm::ValType::F32);
659 break;
660 case i32_func_f64_f64:
661 Rets.push_back(wasm::ValType::I32);
662 Params.push_back(wasm::ValType::F64);
663 Params.push_back(wasm::ValType::F64);
664 break;
665 case i32_func_i32_i32:
666 Rets.push_back(wasm::ValType::I32);
667 Params.push_back(wasm::ValType::I32);
668 Params.push_back(wasm::ValType::I32);
669 break;
670 case i32_func_i32_i32_iPTR:
671 Rets.push_back(wasm::ValType::I32);
672 Params.push_back(wasm::ValType::I32);
673 Params.push_back(wasm::ValType::I32);
674 Params.push_back(PtrTy);
675 break;
676 case i64_func_i64_i64:
677 Rets.push_back(wasm::ValType::I64);
678 Params.push_back(wasm::ValType::I64);
679 Params.push_back(wasm::ValType::I64);
680 break;
681 case i64_func_i64_i64_iPTR:
682 Rets.push_back(wasm::ValType::I64);
683 Params.push_back(wasm::ValType::I64);
684 Params.push_back(wasm::ValType::I64);
685 Params.push_back(PtrTy);
686 break;
687 case i64_i64_func_f32:
688 if (Subtarget.hasMultivalue()) {
689 Rets.push_back(wasm::ValType::I64);
690 Rets.push_back(wasm::ValType::I64);
691 } else {
692 Params.push_back(PtrTy);
693 }
694 Params.push_back(wasm::ValType::F32);
695 break;
696 case i64_i64_func_f64:
697 if (Subtarget.hasMultivalue()) {
698 Rets.push_back(wasm::ValType::I64);
699 Rets.push_back(wasm::ValType::I64);
700 } else {
701 Params.push_back(PtrTy);
702 }
703 Params.push_back(wasm::ValType::F64);
704 break;
705 case i16_i16_func_i16_i16:
706 if (Subtarget.hasMultivalue()) {
707 Rets.push_back(wasm::ValType::I32);
708 Rets.push_back(wasm::ValType::I32);
709 } else {
710 Params.push_back(PtrTy);
711 }
712 Params.push_back(wasm::ValType::I32);
713 Params.push_back(wasm::ValType::I32);
714 break;
715 case i32_i32_func_i32_i32:
716 if (Subtarget.hasMultivalue()) {
717 Rets.push_back(wasm::ValType::I32);
718 Rets.push_back(wasm::ValType::I32);
719 } else {
720 Params.push_back(PtrTy);
721 }
722 Params.push_back(wasm::ValType::I32);
723 Params.push_back(wasm::ValType::I32);
724 break;
725 case i64_i64_func_i64_i64:
726 if (Subtarget.hasMultivalue()) {
727 Rets.push_back(wasm::ValType::I64);
728 Rets.push_back(wasm::ValType::I64);
729 } else {
730 Params.push_back(PtrTy);
731 }
732 Params.push_back(wasm::ValType::I64);
733 Params.push_back(wasm::ValType::I64);
734 break;
735 case i64_i64_func_i64_i64_i64_i64:
736 if (Subtarget.hasMultivalue()) {
737 Rets.push_back(wasm::ValType::I64);
738 Rets.push_back(wasm::ValType::I64);
739 } else {
740 Params.push_back(PtrTy);
741 }
742 Params.push_back(wasm::ValType::I64);
743 Params.push_back(wasm::ValType::I64);
744 Params.push_back(wasm::ValType::I64);
745 Params.push_back(wasm::ValType::I64);
746 break;
747 case i64_i64_func_i64_i64_i64_i64_iPTR:
748 if (Subtarget.hasMultivalue()) {
749 Rets.push_back(wasm::ValType::I64);
750 Rets.push_back(wasm::ValType::I64);
751 } else {
752 Params.push_back(PtrTy);
753 }
754 Params.push_back(wasm::ValType::I64);
755 Params.push_back(wasm::ValType::I64);
756 Params.push_back(wasm::ValType::I64);
757 Params.push_back(wasm::ValType::I64);
758 Params.push_back(PtrTy);
759 break;
760 case i64_i64_i64_i64_func_i64_i64_i64_i64:
761 if (Subtarget.hasMultivalue()) {
762 Rets.push_back(wasm::ValType::I64);
763 Rets.push_back(wasm::ValType::I64);
764 Rets.push_back(wasm::ValType::I64);
765 Rets.push_back(wasm::ValType::I64);
766 } else {
767 Params.push_back(PtrTy);
768 }
769 Params.push_back(wasm::ValType::I64);
770 Params.push_back(wasm::ValType::I64);
771 Params.push_back(wasm::ValType::I64);
772 Params.push_back(wasm::ValType::I64);
773 break;
774 case i64_i64_func_i64_i64_i32:
775 if (Subtarget.hasMultivalue()) {
776 Rets.push_back(wasm::ValType::I64);
777 Rets.push_back(wasm::ValType::I64);
778 } else {
779 Params.push_back(PtrTy);
780 }
781 Params.push_back(wasm::ValType::I64);
782 Params.push_back(wasm::ValType::I64);
783 Params.push_back(wasm::ValType::I32);
784 break;
785 case iPTR_func_i32:
786 Rets.push_back(PtrTy);
787 Params.push_back(wasm::ValType::I32);
788 break;
789 case iPTR_func_iPTR_i32_iPTR:
790 Rets.push_back(PtrTy);
791 Params.push_back(PtrTy);
792 Params.push_back(wasm::ValType::I32);
793 Params.push_back(PtrTy);
794 break;
795 case iPTR_func_iPTR_iPTR_iPTR:
796 Rets.push_back(PtrTy);
797 Params.push_back(PtrTy);
798 Params.push_back(PtrTy);
799 Params.push_back(PtrTy);
800 break;
801 case f32_func_f32_f32_f32:
802 Rets.push_back(wasm::ValType::F32);
803 Params.push_back(wasm::ValType::F32);
804 Params.push_back(wasm::ValType::F32);
805 Params.push_back(wasm::ValType::F32);
806 break;
807 case f64_func_f64_f64_f64:
808 Rets.push_back(wasm::ValType::F64);
809 Params.push_back(wasm::ValType::F64);
810 Params.push_back(wasm::ValType::F64);
811 Params.push_back(wasm::ValType::F64);
812 break;
813 case func_i64_i64_iPTR_iPTR:
814 Params.push_back(wasm::ValType::I64);
815 Params.push_back(wasm::ValType::I64);
816 Params.push_back(PtrTy);
817 Params.push_back(PtrTy);
818 break;
819 case i32_func_i64_i64:
820 Rets.push_back(wasm::ValType::I32);
821 Params.push_back(wasm::ValType::I64);
822 Params.push_back(wasm::ValType::I64);
823 break;
824 case i32_func_i64_i64_i64_i64:
825 Rets.push_back(wasm::ValType::I32);
826 Params.push_back(wasm::ValType::I64);
827 Params.push_back(wasm::ValType::I64);
828 Params.push_back(wasm::ValType::I64);
829 Params.push_back(wasm::ValType::I64);
830 break;
831 case iPTR_func_f32:
832 Rets.push_back(PtrTy);
833 Params.push_back(wasm::ValType::F32);
834 break;
835 case iPTR_func_f64:
836 Rets.push_back(PtrTy);
837 Params.push_back(wasm::ValType::F64);
838 break;
839 case iPTR_func_i64_i64:
840 Rets.push_back(PtrTy);
841 Params.push_back(wasm::ValType::I64);
842 Params.push_back(wasm::ValType::I64);
843 break;
844 case i64_i64_func_i64_i64_i64_i64_i64_i64:
845 if (Subtarget.hasMultivalue()) {
846 Rets.push_back(wasm::ValType::I64);
847 Rets.push_back(wasm::ValType::I64);
848 } else {
849 Params.push_back(PtrTy);
850 }
851 Params.push_back(wasm::ValType::I64);
852 Params.push_back(wasm::ValType::I64);
853 Params.push_back(wasm::ValType::I64);
854 Params.push_back(wasm::ValType::I64);
855 Params.push_back(wasm::ValType::I64);
856 Params.push_back(wasm::ValType::I64);
857 break;
858 case i64_i64_func_i32:
859 if (Subtarget.hasMultivalue()) {
860 Rets.push_back(wasm::ValType::I64);
861 Rets.push_back(wasm::ValType::I64);
862 } else {
863 Params.push_back(PtrTy);
864 }
865 Params.push_back(wasm::ValType::I32);
866 break;
867 case i64_i64_func_i64:
868 if (Subtarget.hasMultivalue()) {
869 Rets.push_back(wasm::ValType::I64);
870 Rets.push_back(wasm::ValType::I64);
871 } else {
872 Params.push_back(PtrTy);
873 }
874 Params.push_back(wasm::ValType::I64);
875 break;
876 case unsupported:
877 llvm_unreachable("unsupported runtime library signature");
878 }
879}
880
881// TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unused
882// other than here, just roll its logic into this version.
887 static StaticLibcallNameMap LibcallNameMap;
888 auto &Map = LibcallNameMap.Map;
889 auto Val = Map.find(Name);
890#ifndef NDEBUG
891 if (Val == Map.end()) {
892 auto Message =
893 std::string("unexpected runtime library name: ") + std::string(Name);
894 llvm_unreachable(Message.c_str());
895 }
896#endif
897 return getLibcallSignature(Subtarget, Val->second, Rets, Params);
898}
static Error unsupported(const char *Str, const Triple &T)
Definition: MachO.cpp:71
std::string Name
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This file provides signature information for runtime libcalls.
This file declares the WebAssembly-specific subclass of TargetSubtarget.
bool empty() const
Definition: SmallVector.h:94
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
Definition: SmallVector.h:577
void push_back(const T &Elt)
Definition: SmallVector.h:416
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
Definition: StringMap.h:111
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Libcall
RTLIB::Libcall enum - This enum defines all of the runtime library calls the backend can emit.
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
void getLibcallSignature(const WebAssemblySubtarget &Subtarget, RTLIB::Libcall LC, SmallVectorImpl< wasm::ValType > &Rets, SmallVectorImpl< wasm::ValType > &Params)