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
21 #include "WebAssemblyRuntimeLibcallSignatures.h"
22 #include "WebAssemblySubtarget.h"
23 #include "WebAssemblyUtilities.h"
24 #include "llvm/CodeGen/RuntimeLibcallUtil.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 i16_func_f64,
55 i16_func_i64_i64,
56 i8_func_i8_i8,
57 func_f32_iPTR_iPTR,
58 func_f64_iPTR_iPTR,
59 i16_func_i16_i16,
60 i32_func_f32_f32,
61 i32_func_f64_f64,
62 i32_func_i32_i32,
63 i32_func_i32_i32_iPTR,
64 i64_func_i64_i64,
65 i64_func_i64_i64_iPTR,
66 i64_i64_func_i32,
67 i64_i64_func_i64,
68 i64_i64_func_f32,
69 i64_i64_func_f64,
70 i16_i16_func_i16_i16,
71 i32_i32_func_i32_i32,
72 i64_i64_func_i64_i64,
73 i64_i64_func_i64_i64_i64_i64,
74 i64_i64_func_i64_i64_i64_i64_iPTR,
75 i64_i64_i64_i64_func_i64_i64_i64_i64,
76 i64_i64_func_i64_i64_i32,
77 i64_i64_func_i64_i64_i64_i64_i64_i64,
78 iPTR_func_i32,
79 iPTR_func_iPTR_i32_iPTR,
80 iPTR_func_iPTR_iPTR_iPTR,
81 f32_func_f32_f32_f32,
82 f64_func_f64_f64_f64,
83 func_i64_i64_iPTR_iPTR,
84 i32_func_i64_i64,
85 i32_func_i64_i64_i64_i64,
86 iPTR_func_f32,
87 iPTR_func_f64,
88 iPTR_func_i64_i64,
89 unsupported
90 };
91
92 struct RuntimeLibcallSignatureTable {
93 std::vector<RuntimeLibcallSignature> Table;
94
95 // Any newly-added libcalls will be unsupported by default.
RuntimeLibcallSignatureTable__anon0e4d6fad0111::RuntimeLibcallSignatureTable96 RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) {
97 // Integer
98 Table[RTLIB::SHL_I16] = i16_func_i16_i16;
99 Table[RTLIB::SHL_I32] = i32_func_i32_i32;
100 Table[RTLIB::SHL_I64] = i64_func_i64_i64;
101 Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32;
102 Table[RTLIB::SRL_I16] = i16_func_i16_i16;
103 Table[RTLIB::SRL_I32] = i32_func_i32_i32;
104 Table[RTLIB::SRL_I64] = i64_func_i64_i64;
105 Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32;
106 Table[RTLIB::SRA_I16] = i16_func_i16_i16;
107 Table[RTLIB::SRA_I32] = i32_func_i32_i32;
108 Table[RTLIB::SRA_I64] = i64_func_i64_i64;
109 Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32;
110 Table[RTLIB::MUL_I8] = i8_func_i8_i8;
111 Table[RTLIB::MUL_I16] = i16_func_i16_i16;
112 Table[RTLIB::MUL_I32] = i32_func_i32_i32;
113 Table[RTLIB::MUL_I64] = i64_func_i64_i64;
114 Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64;
115 Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR;
116 Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR;
117 Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR;
118 Table[RTLIB::SDIV_I8] = i8_func_i8_i8;
119 Table[RTLIB::SDIV_I16] = i16_func_i16_i16;
120 Table[RTLIB::SDIV_I32] = i32_func_i32_i32;
121 Table[RTLIB::SDIV_I64] = i64_func_i64_i64;
122 Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64;
123 Table[RTLIB::UDIV_I8] = i8_func_i8_i8;
124 Table[RTLIB::UDIV_I16] = i16_func_i16_i16;
125 Table[RTLIB::UDIV_I32] = i32_func_i32_i32;
126 Table[RTLIB::UDIV_I64] = i64_func_i64_i64;
127 Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64;
128 Table[RTLIB::SREM_I8] = i8_func_i8_i8;
129 Table[RTLIB::SREM_I16] = i16_func_i16_i16;
130 Table[RTLIB::SREM_I32] = i32_func_i32_i32;
131 Table[RTLIB::SREM_I64] = i64_func_i64_i64;
132 Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64;
133 Table[RTLIB::UREM_I8] = i8_func_i8_i8;
134 Table[RTLIB::UREM_I16] = i16_func_i16_i16;
135 Table[RTLIB::UREM_I32] = i32_func_i32_i32;
136 Table[RTLIB::UREM_I64] = i64_func_i64_i64;
137 Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64;
138 Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8;
139 Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16;
140 Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32;
141 Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64;
142 Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64;
143 Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8;
144 Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16;
145 Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32;
146 Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64;
147 Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64;
148 Table[RTLIB::NEG_I32] = i32_func_i32;
149 Table[RTLIB::NEG_I64] = i64_func_i64;
150
151 // Floating-point.
152 // All F80 and PPCF128 routines are unsupported.
153 Table[RTLIB::ADD_F32] = f32_func_f32_f32;
154 Table[RTLIB::ADD_F64] = f64_func_f64_f64;
155 Table[RTLIB::ADD_F128] = i64_i64_func_i64_i64_i64_i64;
156 Table[RTLIB::SUB_F32] = f32_func_f32_f32;
157 Table[RTLIB::SUB_F64] = f64_func_f64_f64;
158 Table[RTLIB::SUB_F128] = i64_i64_func_i64_i64_i64_i64;
159 Table[RTLIB::MUL_F32] = f32_func_f32_f32;
160 Table[RTLIB::MUL_F64] = f64_func_f64_f64;
161 Table[RTLIB::MUL_F128] = i64_i64_func_i64_i64_i64_i64;
162 Table[RTLIB::DIV_F32] = f32_func_f32_f32;
163 Table[RTLIB::DIV_F64] = f64_func_f64_f64;
164 Table[RTLIB::DIV_F128] = i64_i64_func_i64_i64_i64_i64;
165 Table[RTLIB::REM_F32] = f32_func_f32_f32;
166 Table[RTLIB::REM_F64] = f64_func_f64_f64;
167 Table[RTLIB::REM_F128] = i64_i64_func_i64_i64_i64_i64;
168 Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32;
169 Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64;
170 Table[RTLIB::FMA_F128] = i64_i64_func_i64_i64_i64_i64_i64_i64;
171 Table[RTLIB::POWI_F32] = f32_func_f32_i32;
172 Table[RTLIB::POWI_F64] = f64_func_f64_i32;
173 Table[RTLIB::POWI_F128] = i64_i64_func_i64_i64_i32;
174 Table[RTLIB::SQRT_F32] = f32_func_f32;
175 Table[RTLIB::SQRT_F64] = f64_func_f64;
176 Table[RTLIB::SQRT_F128] = i64_i64_func_i64_i64;
177 Table[RTLIB::CBRT_F32] = f32_func_f32;
178 Table[RTLIB::CBRT_F64] = f64_func_f64;
179 Table[RTLIB::CBRT_F128] = i64_i64_func_i64_i64;
180 Table[RTLIB::LOG_F32] = f32_func_f32;
181 Table[RTLIB::LOG_F64] = f64_func_f64;
182 Table[RTLIB::LOG_F128] = i64_i64_func_i64_i64;
183 Table[RTLIB::LOG2_F32] = f32_func_f32;
184 Table[RTLIB::LOG2_F64] = f64_func_f64;
185 Table[RTLIB::LOG2_F128] = i64_i64_func_i64_i64;
186 Table[RTLIB::LOG10_F32] = f32_func_f32;
187 Table[RTLIB::LOG10_F64] = f64_func_f64;
188 Table[RTLIB::LOG10_F128] = i64_i64_func_i64_i64;
189 Table[RTLIB::EXP_F32] = f32_func_f32;
190 Table[RTLIB::EXP_F64] = f64_func_f64;
191 Table[RTLIB::EXP_F128] = i64_i64_func_i64_i64;
192 Table[RTLIB::EXP2_F32] = f32_func_f32;
193 Table[RTLIB::EXP2_F64] = f64_func_f64;
194 Table[RTLIB::EXP2_F128] = i64_i64_func_i64_i64;
195 Table[RTLIB::EXP10_F32] = f32_func_f32;
196 Table[RTLIB::EXP10_F64] = f64_func_f64;
197 Table[RTLIB::EXP10_F128] = i64_i64_func_i64_i64;
198 Table[RTLIB::SIN_F32] = f32_func_f32;
199 Table[RTLIB::SIN_F64] = f64_func_f64;
200 Table[RTLIB::SIN_F128] = i64_i64_func_i64_i64;
201 Table[RTLIB::COS_F32] = f32_func_f32;
202 Table[RTLIB::COS_F64] = f64_func_f64;
203 Table[RTLIB::COS_F128] = i64_i64_func_i64_i64;
204 Table[RTLIB::TAN_F32] = f32_func_f32;
205 Table[RTLIB::TAN_F64] = f64_func_f64;
206 Table[RTLIB::TAN_F128] = i64_i64_func_i64_i64;
207 Table[RTLIB::ASIN_F32] = f32_func_f32;
208 Table[RTLIB::ASIN_F64] = f64_func_f64;
209 Table[RTLIB::ASIN_F128] = i64_i64_func_i64_i64;
210 Table[RTLIB::ACOS_F32] = f32_func_f32;
211 Table[RTLIB::ACOS_F64] = f64_func_f64;
212 Table[RTLIB::ACOS_F128] = i64_i64_func_i64_i64;
213 Table[RTLIB::ATAN_F32] = f32_func_f32;
214 Table[RTLIB::ATAN_F64] = f64_func_f64;
215 Table[RTLIB::ATAN_F128] = i64_i64_func_i64_i64;
216 Table[RTLIB::SINH_F32] = f32_func_f32;
217 Table[RTLIB::SINH_F64] = f64_func_f64;
218 Table[RTLIB::SINH_F128] = i64_i64_func_i64_i64;
219 Table[RTLIB::COSH_F32] = f32_func_f32;
220 Table[RTLIB::COSH_F64] = f64_func_f64;
221 Table[RTLIB::COSH_F128] = i64_i64_func_i64_i64;
222 Table[RTLIB::TANH_F32] = f32_func_f32;
223 Table[RTLIB::TANH_F64] = f64_func_f64;
224 Table[RTLIB::TANH_F128] = i64_i64_func_i64_i64;
225 Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR;
226 Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR;
227 Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR;
228 Table[RTLIB::POW_F32] = f32_func_f32_f32;
229 Table[RTLIB::POW_F64] = f64_func_f64_f64;
230 Table[RTLIB::POW_F128] = i64_i64_func_i64_i64_i64_i64;
231 Table[RTLIB::CEIL_F32] = f32_func_f32;
232 Table[RTLIB::CEIL_F64] = f64_func_f64;
233 Table[RTLIB::CEIL_F128] = i64_i64_func_i64_i64;
234 Table[RTLIB::TRUNC_F32] = f32_func_f32;
235 Table[RTLIB::TRUNC_F64] = f64_func_f64;
236 Table[RTLIB::TRUNC_F128] = i64_i64_func_i64_i64;
237 Table[RTLIB::RINT_F32] = f32_func_f32;
238 Table[RTLIB::RINT_F64] = f64_func_f64;
239 Table[RTLIB::RINT_F128] = i64_i64_func_i64_i64;
240 Table[RTLIB::NEARBYINT_F32] = f32_func_f32;
241 Table[RTLIB::NEARBYINT_F64] = f64_func_f64;
242 Table[RTLIB::NEARBYINT_F128] = i64_i64_func_i64_i64;
243 Table[RTLIB::ROUND_F32] = f32_func_f32;
244 Table[RTLIB::ROUND_F64] = f64_func_f64;
245 Table[RTLIB::ROUND_F128] = i64_i64_func_i64_i64;
246 Table[RTLIB::ROUNDEVEN_F32] = f32_func_f32;
247 Table[RTLIB::ROUNDEVEN_F64] = f64_func_f64;
248 Table[RTLIB::ROUNDEVEN_F128] = i64_i64_func_i64_i64;
249 Table[RTLIB::LROUND_F32] = iPTR_func_f32;
250 Table[RTLIB::LROUND_F64] = iPTR_func_f64;
251 Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64;
252 Table[RTLIB::LLROUND_F32] = i64_func_f32;
253 Table[RTLIB::LLROUND_F64] = i64_func_f64;
254 Table[RTLIB::LLROUND_F128] = i64_func_i64_i64;
255 Table[RTLIB::LRINT_F32] = iPTR_func_f32;
256 Table[RTLIB::LRINT_F64] = iPTR_func_f64;
257 Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64;
258 Table[RTLIB::LLRINT_F32] = i64_func_f32;
259 Table[RTLIB::LLRINT_F64] = i64_func_f64;
260 Table[RTLIB::LLRINT_F128] = i64_func_i64_i64;
261 Table[RTLIB::FLOOR_F32] = f32_func_f32;
262 Table[RTLIB::FLOOR_F64] = f64_func_f64;
263 Table[RTLIB::FLOOR_F128] = i64_i64_func_i64_i64;
264 Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32;
265 Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64;
266 Table[RTLIB::COPYSIGN_F128] = i64_i64_func_i64_i64_i64_i64;
267 Table[RTLIB::FMIN_F32] = f32_func_f32_f32;
268 Table[RTLIB::FMIN_F64] = f64_func_f64_f64;
269 Table[RTLIB::FMIN_F128] = i64_i64_func_i64_i64_i64_i64;
270 Table[RTLIB::FMAX_F32] = f32_func_f32_f32;
271 Table[RTLIB::FMAX_F64] = f64_func_f64_f64;
272 Table[RTLIB::FMAX_F128] = i64_i64_func_i64_i64_i64_i64;
273 Table[RTLIB::LDEXP_F32] = f32_func_f32_i32;
274 Table[RTLIB::LDEXP_F64] = f64_func_f64_i32;
275 Table[RTLIB::LDEXP_F128] = i64_i64_func_i64_i64_i32;
276 Table[RTLIB::FREXP_F32] = f32_func_f32_i32;
277 Table[RTLIB::FREXP_F64] = f64_func_f64_i32;
278 Table[RTLIB::FREXP_F128] = i64_i64_func_i64_i64_i32;
279
280 // Conversion
281 // All F80 and PPCF128 routines are unsupported.
282 Table[RTLIB::FPEXT_F64_F128] = i64_i64_func_f64;
283 Table[RTLIB::FPEXT_F32_F128] = i64_i64_func_f32;
284 Table[RTLIB::FPEXT_F32_F64] = f64_func_f32;
285 Table[RTLIB::FPEXT_F16_F32] = f32_func_i16;
286 Table[RTLIB::FPROUND_F32_F16] = i16_func_f32;
287 Table[RTLIB::FPROUND_F64_F16] = i16_func_f64;
288 Table[RTLIB::FPROUND_F64_F32] = f32_func_f64;
289 Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64;
290 Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64;
291 Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64;
292 Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32;
293 Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32;
294 Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32;
295 Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64;
296 Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64;
297 Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64;
298 Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64;
299 Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64;
300 Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64;
301 Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32;
302 Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32;
303 Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32;
304 Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64;
305 Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64;
306 Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64;
307 Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64;
308 Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64;
309 Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64;
310 Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32;
311 Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32;
312 Table[RTLIB::SINTTOFP_I32_F128] = i64_i64_func_i32;
313 Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64;
314 Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64;
315 Table[RTLIB::SINTTOFP_I64_F128] = i64_i64_func_i64;
316 Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64;
317 Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64;
318 Table[RTLIB::SINTTOFP_I128_F128] = i64_i64_func_i64_i64;
319 Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32;
320 Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64;
321 Table[RTLIB::UINTTOFP_I32_F128] = i64_i64_func_i32;
322 Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64;
323 Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64;
324 Table[RTLIB::UINTTOFP_I64_F128] = i64_i64_func_i64;
325 Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64;
326 Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64;
327 Table[RTLIB::UINTTOFP_I128_F128] = i64_i64_func_i64_i64;
328
329 // Comparison
330 // ALl F80 and PPCF128 routines are unsupported.
331 Table[RTLIB::OEQ_F32] = i32_func_f32_f32;
332 Table[RTLIB::OEQ_F64] = i32_func_f64_f64;
333 Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64;
334 Table[RTLIB::UNE_F32] = i32_func_f32_f32;
335 Table[RTLIB::UNE_F64] = i32_func_f64_f64;
336 Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64;
337 Table[RTLIB::OGE_F32] = i32_func_f32_f32;
338 Table[RTLIB::OGE_F64] = i32_func_f64_f64;
339 Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64;
340 Table[RTLIB::OLT_F32] = i32_func_f32_f32;
341 Table[RTLIB::OLT_F64] = i32_func_f64_f64;
342 Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64;
343 Table[RTLIB::OLE_F32] = i32_func_f32_f32;
344 Table[RTLIB::OLE_F64] = i32_func_f64_f64;
345 Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64;
346 Table[RTLIB::OGT_F32] = i32_func_f32_f32;
347 Table[RTLIB::OGT_F64] = i32_func_f64_f64;
348 Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64;
349 Table[RTLIB::UO_F32] = i32_func_f32_f32;
350 Table[RTLIB::UO_F64] = i32_func_f64_f64;
351 Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64;
352
353 // Memory
354 Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR;
355 Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR;
356 Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR;
357
358 // __stack_chk_fail
359 Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func;
360
361 // Return address handling
362 Table[RTLIB::RETURN_ADDRESS] = iPTR_func_i32;
363
364 // Element-wise Atomic memory
365 // TODO: Fix these when we implement atomic support
366 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
367 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
368 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
369 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
370 Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
371 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
372 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
373 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
374 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
375 Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
376
377 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
378 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
379 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
380 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
381 Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
382
383 // Atomic '__sync_*' libcalls.
384 // TODO: Fix these when we implement atomic support
385 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported;
386 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported;
387 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported;
388 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported;
389 Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported;
390 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported;
391 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported;
392 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported;
393 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported;
394 Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported;
395 Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported;
396 Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported;
397 Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported;
398 Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported;
399 Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported;
400 Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported;
401 Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported;
402 Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported;
403 Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported;
404 Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported;
405 Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported;
406 Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported;
407 Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported;
408 Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported;
409 Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported;
410 Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported;
411 Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported;
412 Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported;
413 Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported;
414 Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported;
415 Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported;
416 Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported;
417 Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported;
418 Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported;
419 Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported;
420 Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported;
421 Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported;
422 Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported;
423 Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported;
424 Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported;
425 Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported;
426 Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported;
427 Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported;
428 Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported;
429 Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported;
430 Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported;
431 Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported;
432 Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported;
433 Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported;
434 Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported;
435 Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported;
436 Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported;
437 Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported;
438 Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported;
439 Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported;
440 Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported;
441 Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported;
442 Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported;
443 Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported;
444 Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported;
445
446 // Atomic '__atomic_*' libcalls.
447 // TODO: Fix these when we implement atomic support
448 Table[RTLIB::ATOMIC_LOAD] = unsupported;
449 Table[RTLIB::ATOMIC_LOAD_1] = unsupported;
450 Table[RTLIB::ATOMIC_LOAD_2] = unsupported;
451 Table[RTLIB::ATOMIC_LOAD_4] = unsupported;
452 Table[RTLIB::ATOMIC_LOAD_8] = unsupported;
453 Table[RTLIB::ATOMIC_LOAD_16] = unsupported;
454
455 Table[RTLIB::ATOMIC_STORE] = unsupported;
456 Table[RTLIB::ATOMIC_STORE_1] = unsupported;
457 Table[RTLIB::ATOMIC_STORE_2] = unsupported;
458 Table[RTLIB::ATOMIC_STORE_4] = unsupported;
459 Table[RTLIB::ATOMIC_STORE_8] = unsupported;
460 Table[RTLIB::ATOMIC_STORE_16] = unsupported;
461
462 Table[RTLIB::ATOMIC_EXCHANGE] = unsupported;
463 Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported;
464 Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported;
465 Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported;
466 Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported;
467 Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported;
468
469 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported;
470 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported;
471 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported;
472 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported;
473 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported;
474 Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported;
475
476 Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported;
477 Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported;
478 Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported;
479 Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported;
480 Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported;
481
482 Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported;
483 Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported;
484 Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported;
485 Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported;
486 Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported;
487
488 Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported;
489 Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported;
490 Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported;
491 Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported;
492 Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported;
493
494 Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported;
495 Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported;
496 Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported;
497 Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported;
498 Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported;
499
500 Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported;
501 Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported;
502 Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported;
503 Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported;
504 Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported;
505
506 Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported;
507 Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported;
508 Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported;
509 Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported;
510 Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported;
511 }
512 };
513
getRuntimeLibcallSignatures()514 RuntimeLibcallSignatureTable &getRuntimeLibcallSignatures() {
515 static RuntimeLibcallSignatureTable RuntimeLibcallSignatures;
516 return RuntimeLibcallSignatures;
517 }
518
519 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a
520 // constructor for use with a static variable
521 struct StaticLibcallNameMap {
522 StringMap<RTLIB::Libcall> Map;
StaticLibcallNameMap__anon0e4d6fad0111::StaticLibcallNameMap523 StaticLibcallNameMap() {
524 static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = {
525 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code},
526 #include "llvm/IR/RuntimeLibcalls.def"
527 #undef HANDLE_LIBCALL
528 };
529 for (const auto &NameLibcall : NameLibcalls) {
530 if (NameLibcall.first != nullptr &&
531 getRuntimeLibcallSignatures().Table[NameLibcall.second] !=
532 unsupported) {
533 assert(!Map.contains(NameLibcall.first) &&
534 "duplicate libcall names in name map");
535 Map[NameLibcall.first] = NameLibcall.second;
536 }
537 }
538 // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is
539 // consistent with the f64 and f128 names.
540 Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32;
541 Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16;
542
543 Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS;
544 }
545 };
546
547 } // end anonymous namespace
548
getLibcallSignature(const WebAssemblySubtarget & Subtarget,RTLIB::Libcall LC,SmallVectorImpl<wasm::ValType> & Rets,SmallVectorImpl<wasm::ValType> & Params)549 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget,
550 RTLIB::Libcall LC,
551 SmallVectorImpl<wasm::ValType> &Rets,
552 SmallVectorImpl<wasm::ValType> &Params) {
553 assert(Rets.empty());
554 assert(Params.empty());
555
556 wasm::ValType PtrTy =
557 Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32;
558
559 auto &Table = getRuntimeLibcallSignatures().Table;
560 switch (Table[LC]) {
561 case func:
562 break;
563 case f32_func_f32:
564 Rets.push_back(wasm::ValType::F32);
565 Params.push_back(wasm::ValType::F32);
566 break;
567 case f32_func_f64:
568 Rets.push_back(wasm::ValType::F32);
569 Params.push_back(wasm::ValType::F64);
570 break;
571 case f32_func_i32:
572 Rets.push_back(wasm::ValType::F32);
573 Params.push_back(wasm::ValType::I32);
574 break;
575 case f32_func_i64:
576 Rets.push_back(wasm::ValType::F32);
577 Params.push_back(wasm::ValType::I64);
578 break;
579 case f32_func_i16:
580 Rets.push_back(wasm::ValType::F32);
581 Params.push_back(wasm::ValType::I32);
582 break;
583 case f64_func_f32:
584 Rets.push_back(wasm::ValType::F64);
585 Params.push_back(wasm::ValType::F32);
586 break;
587 case f64_func_f64:
588 Rets.push_back(wasm::ValType::F64);
589 Params.push_back(wasm::ValType::F64);
590 break;
591 case f64_func_i32:
592 Rets.push_back(wasm::ValType::F64);
593 Params.push_back(wasm::ValType::I32);
594 break;
595 case f64_func_i64:
596 Rets.push_back(wasm::ValType::F64);
597 Params.push_back(wasm::ValType::I64);
598 break;
599 case i32_func_f32:
600 Rets.push_back(wasm::ValType::I32);
601 Params.push_back(wasm::ValType::F32);
602 break;
603 case i32_func_f64:
604 Rets.push_back(wasm::ValType::I32);
605 Params.push_back(wasm::ValType::F64);
606 break;
607 case i32_func_i32:
608 Rets.push_back(wasm::ValType::I32);
609 Params.push_back(wasm::ValType::I32);
610 break;
611 case i64_func_f32:
612 Rets.push_back(wasm::ValType::I64);
613 Params.push_back(wasm::ValType::F32);
614 break;
615 case i64_func_f64:
616 Rets.push_back(wasm::ValType::I64);
617 Params.push_back(wasm::ValType::F64);
618 break;
619 case i64_func_i64:
620 Rets.push_back(wasm::ValType::I64);
621 Params.push_back(wasm::ValType::I64);
622 break;
623 case f32_func_f32_f32:
624 Rets.push_back(wasm::ValType::F32);
625 Params.push_back(wasm::ValType::F32);
626 Params.push_back(wasm::ValType::F32);
627 break;
628 case f32_func_f32_i32:
629 Rets.push_back(wasm::ValType::F32);
630 Params.push_back(wasm::ValType::F32);
631 Params.push_back(wasm::ValType::I32);
632 break;
633 case f32_func_i64_i64:
634 Rets.push_back(wasm::ValType::F32);
635 Params.push_back(wasm::ValType::I64);
636 Params.push_back(wasm::ValType::I64);
637 break;
638 case f64_func_f64_f64:
639 Rets.push_back(wasm::ValType::F64);
640 Params.push_back(wasm::ValType::F64);
641 Params.push_back(wasm::ValType::F64);
642 break;
643 case f64_func_f64_i32:
644 Rets.push_back(wasm::ValType::F64);
645 Params.push_back(wasm::ValType::F64);
646 Params.push_back(wasm::ValType::I32);
647 break;
648 case f64_func_i64_i64:
649 Rets.push_back(wasm::ValType::F64);
650 Params.push_back(wasm::ValType::I64);
651 Params.push_back(wasm::ValType::I64);
652 break;
653 case i16_func_f32:
654 Rets.push_back(wasm::ValType::I32);
655 Params.push_back(wasm::ValType::F32);
656 break;
657 case i16_func_f64:
658 Rets.push_back(wasm::ValType::I32);
659 Params.push_back(wasm::ValType::F64);
660 break;
661 case i16_func_i64_i64:
662 Rets.push_back(wasm::ValType::I32);
663 Params.push_back(wasm::ValType::I64);
664 Params.push_back(wasm::ValType::I64);
665 break;
666 case i8_func_i8_i8:
667 Rets.push_back(wasm::ValType::I32);
668 Params.push_back(wasm::ValType::I32);
669 Params.push_back(wasm::ValType::I32);
670 break;
671 case func_f32_iPTR_iPTR:
672 Params.push_back(wasm::ValType::F32);
673 Params.push_back(PtrTy);
674 Params.push_back(PtrTy);
675 break;
676 case func_f64_iPTR_iPTR:
677 Params.push_back(wasm::ValType::F64);
678 Params.push_back(PtrTy);
679 Params.push_back(PtrTy);
680 break;
681 case i16_func_i16_i16:
682 Rets.push_back(wasm::ValType::I32);
683 Params.push_back(wasm::ValType::I32);
684 Params.push_back(wasm::ValType::I32);
685 break;
686 case i32_func_f32_f32:
687 Rets.push_back(wasm::ValType::I32);
688 Params.push_back(wasm::ValType::F32);
689 Params.push_back(wasm::ValType::F32);
690 break;
691 case i32_func_f64_f64:
692 Rets.push_back(wasm::ValType::I32);
693 Params.push_back(wasm::ValType::F64);
694 Params.push_back(wasm::ValType::F64);
695 break;
696 case i32_func_i32_i32:
697 Rets.push_back(wasm::ValType::I32);
698 Params.push_back(wasm::ValType::I32);
699 Params.push_back(wasm::ValType::I32);
700 break;
701 case i32_func_i32_i32_iPTR:
702 Rets.push_back(wasm::ValType::I32);
703 Params.push_back(wasm::ValType::I32);
704 Params.push_back(wasm::ValType::I32);
705 Params.push_back(PtrTy);
706 break;
707 case i64_func_i64_i64:
708 Rets.push_back(wasm::ValType::I64);
709 Params.push_back(wasm::ValType::I64);
710 Params.push_back(wasm::ValType::I64);
711 break;
712 case i64_func_i64_i64_iPTR:
713 Rets.push_back(wasm::ValType::I64);
714 Params.push_back(wasm::ValType::I64);
715 Params.push_back(wasm::ValType::I64);
716 Params.push_back(PtrTy);
717 break;
718 case i64_i64_func_f32:
719 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
720 Rets.push_back(wasm::ValType::I64);
721 Rets.push_back(wasm::ValType::I64);
722 } else {
723 Params.push_back(PtrTy);
724 }
725 Params.push_back(wasm::ValType::F32);
726 break;
727 case i64_i64_func_f64:
728 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
729 Rets.push_back(wasm::ValType::I64);
730 Rets.push_back(wasm::ValType::I64);
731 } else {
732 Params.push_back(PtrTy);
733 }
734 Params.push_back(wasm::ValType::F64);
735 break;
736 case i16_i16_func_i16_i16:
737 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
738 Rets.push_back(wasm::ValType::I32);
739 Rets.push_back(wasm::ValType::I32);
740 } else {
741 Params.push_back(PtrTy);
742 }
743 Params.push_back(wasm::ValType::I32);
744 Params.push_back(wasm::ValType::I32);
745 break;
746 case i32_i32_func_i32_i32:
747 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
748 Rets.push_back(wasm::ValType::I32);
749 Rets.push_back(wasm::ValType::I32);
750 } else {
751 Params.push_back(PtrTy);
752 }
753 Params.push_back(wasm::ValType::I32);
754 Params.push_back(wasm::ValType::I32);
755 break;
756 case i64_i64_func_i64_i64:
757 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
758 Rets.push_back(wasm::ValType::I64);
759 Rets.push_back(wasm::ValType::I64);
760 } else {
761 Params.push_back(PtrTy);
762 }
763 Params.push_back(wasm::ValType::I64);
764 Params.push_back(wasm::ValType::I64);
765 break;
766 case i64_i64_func_i64_i64_i64_i64:
767 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
768 Rets.push_back(wasm::ValType::I64);
769 Rets.push_back(wasm::ValType::I64);
770 } else {
771 Params.push_back(PtrTy);
772 }
773 Params.push_back(wasm::ValType::I64);
774 Params.push_back(wasm::ValType::I64);
775 Params.push_back(wasm::ValType::I64);
776 Params.push_back(wasm::ValType::I64);
777 break;
778 case i64_i64_func_i64_i64_i64_i64_iPTR:
779 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
780 Rets.push_back(wasm::ValType::I64);
781 Rets.push_back(wasm::ValType::I64);
782 } else {
783 Params.push_back(PtrTy);
784 }
785 Params.push_back(wasm::ValType::I64);
786 Params.push_back(wasm::ValType::I64);
787 Params.push_back(wasm::ValType::I64);
788 Params.push_back(wasm::ValType::I64);
789 Params.push_back(PtrTy);
790 break;
791 case i64_i64_i64_i64_func_i64_i64_i64_i64:
792 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
793 Rets.push_back(wasm::ValType::I64);
794 Rets.push_back(wasm::ValType::I64);
795 Rets.push_back(wasm::ValType::I64);
796 Rets.push_back(wasm::ValType::I64);
797 } else {
798 Params.push_back(PtrTy);
799 }
800 Params.push_back(wasm::ValType::I64);
801 Params.push_back(wasm::ValType::I64);
802 Params.push_back(wasm::ValType::I64);
803 Params.push_back(wasm::ValType::I64);
804 break;
805 case i64_i64_func_i64_i64_i32:
806 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
807 Rets.push_back(wasm::ValType::I64);
808 Rets.push_back(wasm::ValType::I64);
809 } else {
810 Params.push_back(PtrTy);
811 }
812 Params.push_back(wasm::ValType::I64);
813 Params.push_back(wasm::ValType::I64);
814 Params.push_back(wasm::ValType::I32);
815 break;
816 case iPTR_func_i32:
817 Rets.push_back(PtrTy);
818 Params.push_back(wasm::ValType::I32);
819 break;
820 case iPTR_func_iPTR_i32_iPTR:
821 Rets.push_back(PtrTy);
822 Params.push_back(PtrTy);
823 Params.push_back(wasm::ValType::I32);
824 Params.push_back(PtrTy);
825 break;
826 case iPTR_func_iPTR_iPTR_iPTR:
827 Rets.push_back(PtrTy);
828 Params.push_back(PtrTy);
829 Params.push_back(PtrTy);
830 Params.push_back(PtrTy);
831 break;
832 case f32_func_f32_f32_f32:
833 Rets.push_back(wasm::ValType::F32);
834 Params.push_back(wasm::ValType::F32);
835 Params.push_back(wasm::ValType::F32);
836 Params.push_back(wasm::ValType::F32);
837 break;
838 case f64_func_f64_f64_f64:
839 Rets.push_back(wasm::ValType::F64);
840 Params.push_back(wasm::ValType::F64);
841 Params.push_back(wasm::ValType::F64);
842 Params.push_back(wasm::ValType::F64);
843 break;
844 case func_i64_i64_iPTR_iPTR:
845 Params.push_back(wasm::ValType::I64);
846 Params.push_back(wasm::ValType::I64);
847 Params.push_back(PtrTy);
848 Params.push_back(PtrTy);
849 break;
850 case i32_func_i64_i64:
851 Rets.push_back(wasm::ValType::I32);
852 Params.push_back(wasm::ValType::I64);
853 Params.push_back(wasm::ValType::I64);
854 break;
855 case i32_func_i64_i64_i64_i64:
856 Rets.push_back(wasm::ValType::I32);
857 Params.push_back(wasm::ValType::I64);
858 Params.push_back(wasm::ValType::I64);
859 Params.push_back(wasm::ValType::I64);
860 Params.push_back(wasm::ValType::I64);
861 break;
862 case iPTR_func_f32:
863 Rets.push_back(PtrTy);
864 Params.push_back(wasm::ValType::F32);
865 break;
866 case iPTR_func_f64:
867 Rets.push_back(PtrTy);
868 Params.push_back(wasm::ValType::F64);
869 break;
870 case iPTR_func_i64_i64:
871 Rets.push_back(PtrTy);
872 Params.push_back(wasm::ValType::I64);
873 Params.push_back(wasm::ValType::I64);
874 break;
875 case i64_i64_func_i64_i64_i64_i64_i64_i64:
876 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
877 Rets.push_back(wasm::ValType::I64);
878 Rets.push_back(wasm::ValType::I64);
879 } else {
880 Params.push_back(PtrTy);
881 }
882 Params.push_back(wasm::ValType::I64);
883 Params.push_back(wasm::ValType::I64);
884 Params.push_back(wasm::ValType::I64);
885 Params.push_back(wasm::ValType::I64);
886 Params.push_back(wasm::ValType::I64);
887 Params.push_back(wasm::ValType::I64);
888 break;
889 case i64_i64_func_i32:
890 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
891 Rets.push_back(wasm::ValType::I64);
892 Rets.push_back(wasm::ValType::I64);
893 } else {
894 Params.push_back(PtrTy);
895 }
896 Params.push_back(wasm::ValType::I32);
897 break;
898 case i64_i64_func_i64:
899 if (WebAssembly::canLowerMultivalueReturn(&Subtarget)) {
900 Rets.push_back(wasm::ValType::I64);
901 Rets.push_back(wasm::ValType::I64);
902 } else {
903 Params.push_back(PtrTy);
904 }
905 Params.push_back(wasm::ValType::I64);
906 break;
907 case unsupported:
908 llvm_unreachable("unsupported runtime library signature");
909 }
910 }
911
912 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unused
913 // other than here, just roll its logic into this version.
getLibcallSignature(const WebAssemblySubtarget & Subtarget,StringRef Name,SmallVectorImpl<wasm::ValType> & Rets,SmallVectorImpl<wasm::ValType> & Params)914 void WebAssembly::getLibcallSignature(const WebAssemblySubtarget &Subtarget,
915 StringRef Name,
916 SmallVectorImpl<wasm::ValType> &Rets,
917 SmallVectorImpl<wasm::ValType> &Params) {
918 static StaticLibcallNameMap LibcallNameMap;
919 auto &Map = LibcallNameMap.Map;
920 auto Val = Map.find(Name);
921 #ifndef NDEBUG
922 if (Val == Map.end()) {
923 auto Message =
924 std::string("unexpected runtime library name: ") + std::string(Name);
925 llvm_unreachable(Message.c_str());
926 }
927 #endif
928 return getLibcallSignature(Subtarget, Val->second, Rets, Params);
929 }
930