LLVM  11.0.0git
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 
22 #include "WebAssemblySubtarget.h"
25 
26 using namespace llvm;
27 
28 namespace {
29 
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_f32,
67  i64_i64_func_f64,
68  i16_i16_func_i16_i16,
69  i32_i32_func_i32_i32,
70  i64_i64_func_i64_i64,
71  i64_i64_func_i64_i64_i64_i64,
72  i64_i64_func_i64_i64_i64_i64_iPTR,
73  i64_i64_i64_i64_func_i64_i64_i64_i64,
74  i64_i64_func_i64_i64_i32,
75  iPTR_func_iPTR_i32_iPTR,
76  iPTR_func_iPTR_iPTR_iPTR,
77  f32_func_f32_f32_f32,
78  f64_func_f64_f64_f64,
79  func_i64_i64_iPTR_iPTR,
80  func_iPTR_f32,
81  func_iPTR_f64,
82  func_iPTR_i32,
83  func_iPTR_i64,
84  func_iPTR_i64_i64,
85  func_iPTR_i64_i64_i32,
86  func_iPTR_i64_i64_i64_i64,
87  func_iPTR_i64_i64_i64_i64_i64_i64,
88  i32_func_i64_i64,
89  i32_func_i64_i64_i64_i64,
90  iPTR_func_f32,
91  iPTR_func_f64,
92  iPTR_func_i64_i64,
94 };
95 
96 struct RuntimeLibcallSignatureTable {
97  std::vector<RuntimeLibcallSignature> Table;
98 
99  // Any newly-added libcalls will be unsupported by default.
100  RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) {
101  // Integer
102  Table[RTLIB::SHL_I16] = i16_func_i16_i16;
103  Table[RTLIB::SHL_I32] = i32_func_i32_i32;
104  Table[RTLIB::SHL_I64] = i64_func_i64_i64;
105  Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32;
106  Table[RTLIB::SRL_I16] = i16_func_i16_i16;
107  Table[RTLIB::SRL_I32] = i32_func_i32_i32;
108  Table[RTLIB::SRL_I64] = i64_func_i64_i64;
109  Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32;
110  Table[RTLIB::SRA_I16] = i16_func_i16_i16;
111  Table[RTLIB::SRA_I32] = i32_func_i32_i32;
112  Table[RTLIB::SRA_I64] = i64_func_i64_i64;
113  Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32;
114  Table[RTLIB::MUL_I8] = i8_func_i8_i8;
115  Table[RTLIB::MUL_I16] = i16_func_i16_i16;
116  Table[RTLIB::MUL_I32] = i32_func_i32_i32;
117  Table[RTLIB::MUL_I64] = i64_func_i64_i64;
118  Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64;
119  Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR;
120  Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR;
121  Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR;
122  Table[RTLIB::SDIV_I8] = i8_func_i8_i8;
123  Table[RTLIB::SDIV_I16] = i16_func_i16_i16;
124  Table[RTLIB::SDIV_I32] = i32_func_i32_i32;
125  Table[RTLIB::SDIV_I64] = i64_func_i64_i64;
126  Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64;
127  Table[RTLIB::UDIV_I8] = i8_func_i8_i8;
128  Table[RTLIB::UDIV_I16] = i16_func_i16_i16;
129  Table[RTLIB::UDIV_I32] = i32_func_i32_i32;
130  Table[RTLIB::UDIV_I64] = i64_func_i64_i64;
131  Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64;
132  Table[RTLIB::SREM_I8] = i8_func_i8_i8;
133  Table[RTLIB::SREM_I16] = i16_func_i16_i16;
134  Table[RTLIB::SREM_I32] = i32_func_i32_i32;
135  Table[RTLIB::SREM_I64] = i64_func_i64_i64;
136  Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64;
137  Table[RTLIB::UREM_I8] = i8_func_i8_i8;
138  Table[RTLIB::UREM_I16] = i16_func_i16_i16;
139  Table[RTLIB::UREM_I32] = i32_func_i32_i32;
140  Table[RTLIB::UREM_I64] = i64_func_i64_i64;
141  Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64;
142  Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8;
143  Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16;
144  Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32;
145  Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64;
146  Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64;
147  Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8;
148  Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16;
149  Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32;
150  Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64;
151  Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64;
152  Table[RTLIB::NEG_I32] = i32_func_i32;
153  Table[RTLIB::NEG_I64] = i64_func_i64;
154 
155  // Floating-point.
156  // All F80 and PPCF128 routines are unsupported.
157  Table[RTLIB::ADD_F32] = f32_func_f32_f32;
158  Table[RTLIB::ADD_F64] = f64_func_f64_f64;
159  Table[RTLIB::ADD_F128] = func_iPTR_i64_i64_i64_i64;
160  Table[RTLIB::SUB_F32] = f32_func_f32_f32;
161  Table[RTLIB::SUB_F64] = f64_func_f64_f64;
162  Table[RTLIB::SUB_F128] = func_iPTR_i64_i64_i64_i64;
163  Table[RTLIB::MUL_F32] = f32_func_f32_f32;
164  Table[RTLIB::MUL_F64] = f64_func_f64_f64;
165  Table[RTLIB::MUL_F128] = func_iPTR_i64_i64_i64_i64;
166  Table[RTLIB::DIV_F32] = f32_func_f32_f32;
167  Table[RTLIB::DIV_F64] = f64_func_f64_f64;
168  Table[RTLIB::DIV_F128] = func_iPTR_i64_i64_i64_i64;
169  Table[RTLIB::REM_F32] = f32_func_f32_f32;
170  Table[RTLIB::REM_F64] = f64_func_f64_f64;
171  Table[RTLIB::REM_F128] = func_iPTR_i64_i64_i64_i64;
172  Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32;
173  Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64;
174  Table[RTLIB::FMA_F128] = func_iPTR_i64_i64_i64_i64_i64_i64;
175  Table[RTLIB::POWI_F32] = f32_func_f32_i32;
176  Table[RTLIB::POWI_F64] = f64_func_f64_i32;
177  Table[RTLIB::POWI_F128] = func_iPTR_i64_i64_i32;
178  Table[RTLIB::SQRT_F32] = f32_func_f32;
179  Table[RTLIB::SQRT_F64] = f64_func_f64;
180  Table[RTLIB::SQRT_F128] = func_iPTR_i64_i64;
181  Table[RTLIB::CBRT_F32] = f32_func_f32;
182  Table[RTLIB::CBRT_F64] = f64_func_f64;
183  Table[RTLIB::CBRT_F128] = func_iPTR_i64_i64;
184  Table[RTLIB::LOG_F32] = f32_func_f32;
185  Table[RTLIB::LOG_F64] = f64_func_f64;
186  Table[RTLIB::LOG_F128] = func_iPTR_i64_i64;
187  Table[RTLIB::LOG2_F32] = f32_func_f32;
188  Table[RTLIB::LOG2_F64] = f64_func_f64;
189  Table[RTLIB::LOG2_F128] = func_iPTR_i64_i64;
190  Table[RTLIB::LOG10_F32] = f32_func_f32;
191  Table[RTLIB::LOG10_F64] = f64_func_f64;
192  Table[RTLIB::LOG10_F128] = func_iPTR_i64_i64;
193  Table[RTLIB::EXP_F32] = f32_func_f32;
194  Table[RTLIB::EXP_F64] = f64_func_f64;
195  Table[RTLIB::EXP_F128] = func_iPTR_i64_i64;
196  Table[RTLIB::EXP2_F32] = f32_func_f32;
197  Table[RTLIB::EXP2_F64] = f64_func_f64;
198  Table[RTLIB::EXP2_F128] = func_iPTR_i64_i64;
199  Table[RTLIB::SIN_F32] = f32_func_f32;
200  Table[RTLIB::SIN_F64] = f64_func_f64;
201  Table[RTLIB::SIN_F128] = func_iPTR_i64_i64;
202  Table[RTLIB::COS_F32] = f32_func_f32;
203  Table[RTLIB::COS_F64] = f64_func_f64;
204  Table[RTLIB::COS_F128] = func_iPTR_i64_i64;
205  Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR;
206  Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR;
207  Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR;
208  Table[RTLIB::POW_F32] = f32_func_f32_f32;
209  Table[RTLIB::POW_F64] = f64_func_f64_f64;
210  Table[RTLIB::POW_F128] = func_iPTR_i64_i64_i64_i64;
211  Table[RTLIB::CEIL_F32] = f32_func_f32;
212  Table[RTLIB::CEIL_F64] = f64_func_f64;
213  Table[RTLIB::CEIL_F128] = func_iPTR_i64_i64;
214  Table[RTLIB::TRUNC_F32] = f32_func_f32;
215  Table[RTLIB::TRUNC_F64] = f64_func_f64;
216  Table[RTLIB::TRUNC_F128] = func_iPTR_i64_i64;
217  Table[RTLIB::RINT_F32] = f32_func_f32;
218  Table[RTLIB::RINT_F64] = f64_func_f64;
219  Table[RTLIB::RINT_F128] = func_iPTR_i64_i64;
220  Table[RTLIB::NEARBYINT_F32] = f32_func_f32;
221  Table[RTLIB::NEARBYINT_F64] = f64_func_f64;
222  Table[RTLIB::NEARBYINT_F128] = func_iPTR_i64_i64;
223  Table[RTLIB::ROUND_F32] = f32_func_f32;
224  Table[RTLIB::ROUND_F64] = f64_func_f64;
225  Table[RTLIB::ROUND_F128] = func_iPTR_i64_i64;
226  Table[RTLIB::LROUND_F32] = iPTR_func_f32;
227  Table[RTLIB::LROUND_F64] = iPTR_func_f64;
228  Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64;
229  Table[RTLIB::LLROUND_F32] = i64_func_f32;
230  Table[RTLIB::LLROUND_F64] = i64_func_f64;
231  Table[RTLIB::LLROUND_F128] = i64_func_i64_i64;
232  Table[RTLIB::LRINT_F32] = iPTR_func_f32;
233  Table[RTLIB::LRINT_F64] = iPTR_func_f64;
234  Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64;
235  Table[RTLIB::LLRINT_F32] = i64_func_f32;
236  Table[RTLIB::LLRINT_F64] = i64_func_f64;
237  Table[RTLIB::LLRINT_F128] = i64_func_i64_i64;
238  Table[RTLIB::FLOOR_F32] = f32_func_f32;
239  Table[RTLIB::FLOOR_F64] = f64_func_f64;
240  Table[RTLIB::FLOOR_F128] = func_iPTR_i64_i64;
241  Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32;
242  Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64;
243  Table[RTLIB::COPYSIGN_F128] = func_iPTR_i64_i64_i64_i64;
244  Table[RTLIB::FMIN_F32] = f32_func_f32_f32;
245  Table[RTLIB::FMIN_F64] = f64_func_f64_f64;
246  Table[RTLIB::FMIN_F128] = func_iPTR_i64_i64_i64_i64;
247  Table[RTLIB::FMAX_F32] = f32_func_f32_f32;
248  Table[RTLIB::FMAX_F64] = f64_func_f64_f64;
249  Table[RTLIB::FMAX_F128] = func_iPTR_i64_i64_i64_i64;
250 
251  // Conversion
252  // All F80 and PPCF128 routines are unsupported.
253  Table[RTLIB::FPEXT_F64_F128] = func_iPTR_f64;
254  Table[RTLIB::FPEXT_F32_F128] = func_iPTR_f32;
255  Table[RTLIB::FPEXT_F32_F64] = f64_func_f32;
256  Table[RTLIB::FPEXT_F16_F32] = f32_func_i16;
257  Table[RTLIB::FPROUND_F32_F16] = i16_func_f32;
258  Table[RTLIB::FPROUND_F64_F16] = i16_func_f64;
259  Table[RTLIB::FPROUND_F64_F32] = f32_func_f64;
260  Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64;
261  Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64;
262  Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64;
263  Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32;
264  Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32;
265  Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32;
266  Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64;
267  Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64;
268  Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64;
269  Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64;
270  Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64;
271  Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64;
272  Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32;
273  Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32;
274  Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32;
275  Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64;
276  Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64;
277  Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64;
278  Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64;
279  Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64;
280  Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64;
281  Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32;
282  Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32;
283  Table[RTLIB::SINTTOFP_I32_F128] = func_iPTR_i32;
284  Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64;
285  Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64;
286  Table[RTLIB::SINTTOFP_I64_F128] = func_iPTR_i64;
287  Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64;
288  Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64;
289  Table[RTLIB::SINTTOFP_I128_F128] = func_iPTR_i64_i64;
290  Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32;
291  Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64;
292  Table[RTLIB::UINTTOFP_I32_F128] = func_iPTR_i32;
293  Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64;
294  Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64;
295  Table[RTLIB::UINTTOFP_I64_F128] = func_iPTR_i64;
296  Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64;
297  Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64;
298  Table[RTLIB::UINTTOFP_I128_F128] = func_iPTR_i64_i64;
299 
300  // Comparison
301  // ALl F80 and PPCF128 routines are unsupported.
302  Table[RTLIB::OEQ_F32] = i32_func_f32_f32;
303  Table[RTLIB::OEQ_F64] = i32_func_f64_f64;
304  Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64;
305  Table[RTLIB::UNE_F32] = i32_func_f32_f32;
306  Table[RTLIB::UNE_F64] = i32_func_f64_f64;
307  Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64;
308  Table[RTLIB::OGE_F32] = i32_func_f32_f32;
309  Table[RTLIB::OGE_F64] = i32_func_f64_f64;
310  Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64;
311  Table[RTLIB::OLT_F32] = i32_func_f32_f32;
312  Table[RTLIB::OLT_F64] = i32_func_f64_f64;
313  Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64;
314  Table[RTLIB::OLE_F32] = i32_func_f32_f32;
315  Table[RTLIB::OLE_F64] = i32_func_f64_f64;
316  Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64;
317  Table[RTLIB::OGT_F32] = i32_func_f32_f32;
318  Table[RTLIB::OGT_F64] = i32_func_f64_f64;
319  Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64;
320  Table[RTLIB::UO_F32] = i32_func_f32_f32;
321  Table[RTLIB::UO_F64] = i32_func_f64_f64;
322  Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64;
323 
324  // Memory
325  Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR;
326  Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR;
327  Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR;
328 
329  // __stack_chk_fail
330  Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func;
331 
332  // Return address handling
333  Table[RTLIB::RETURN_ADDRESS] = i32_func_i32;
334 
335  // Element-wise Atomic memory
336  // TODO: Fix these when we implement atomic support
337  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
338  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
339  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
340  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
341  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
342  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
343  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
344  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
345  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
346  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
347 
348  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
349  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
350  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
351  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
352  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
353 
354  // Atomic '__sync_*' libcalls.
355  // TODO: Fix these when we implement atomic support
356  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported;
357  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported;
358  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported;
359  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported;
360  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported;
361  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported;
362  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported;
363  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported;
364  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported;
365  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported;
366  Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported;
367  Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported;
368  Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported;
369  Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported;
370  Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported;
371  Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported;
372  Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported;
373  Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported;
374  Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported;
375  Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported;
376  Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported;
377  Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported;
378  Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported;
379  Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported;
380  Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported;
381  Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported;
382  Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported;
383  Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported;
384  Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported;
385  Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported;
386  Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported;
387  Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported;
388  Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported;
389  Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported;
390  Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported;
391  Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported;
392  Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported;
393  Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported;
394  Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported;
395  Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported;
396  Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported;
397  Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported;
398  Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported;
399  Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported;
400  Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported;
401  Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported;
402  Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported;
403  Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported;
404  Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported;
405  Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported;
406  Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported;
407  Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported;
408  Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported;
409  Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported;
410  Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported;
411  Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported;
412  Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported;
413  Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported;
414  Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported;
415  Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported;
416 
417  // Atomic '__atomic_*' libcalls.
418  // TODO: Fix these when we implement atomic support
420  Table[RTLIB::ATOMIC_LOAD_1] = unsupported;
421  Table[RTLIB::ATOMIC_LOAD_2] = unsupported;
422  Table[RTLIB::ATOMIC_LOAD_4] = unsupported;
423  Table[RTLIB::ATOMIC_LOAD_8] = unsupported;
424  Table[RTLIB::ATOMIC_LOAD_16] = unsupported;
425 
427  Table[RTLIB::ATOMIC_STORE_1] = unsupported;
428  Table[RTLIB::ATOMIC_STORE_2] = unsupported;
429  Table[RTLIB::ATOMIC_STORE_4] = unsupported;
430  Table[RTLIB::ATOMIC_STORE_8] = unsupported;
431  Table[RTLIB::ATOMIC_STORE_16] = unsupported;
432 
433  Table[RTLIB::ATOMIC_EXCHANGE] = unsupported;
434  Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported;
435  Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported;
436  Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported;
437  Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported;
438  Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported;
439 
440  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported;
441  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported;
442  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported;
443  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported;
444  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported;
445  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported;
446 
447  Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported;
448  Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported;
449  Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported;
450  Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported;
451  Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported;
452 
453  Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported;
454  Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported;
455  Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported;
456  Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported;
457  Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported;
458 
459  Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported;
460  Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported;
461  Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported;
462  Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported;
463  Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported;
464 
465  Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported;
466  Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported;
467  Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported;
468  Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported;
469  Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported;
470 
471  Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported;
472  Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported;
473  Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported;
474  Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported;
475  Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported;
476 
477  Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported;
478  Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported;
479  Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported;
480  Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported;
481  Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported;
482  }
483 };
484 
485 ManagedStatic<RuntimeLibcallSignatureTable> RuntimeLibcallSignatures;
486 
487 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a
488 // constructor for use with ManagedStatic
489 struct StaticLibcallNameMap {
491  StaticLibcallNameMap() {
492  static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = {
493 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code},
494 #include "llvm/IR/RuntimeLibcalls.def"
495 #undef HANDLE_LIBCALL
496  };
497  for (const auto &NameLibcall : NameLibcalls) {
498  if (NameLibcall.first != nullptr &&
499  RuntimeLibcallSignatures->Table[NameLibcall.second] != unsupported) {
500  assert(Map.find(NameLibcall.first) == Map.end() &&
501  "duplicate libcall names in name map");
502  Map[NameLibcall.first] = NameLibcall.second;
503  }
504  }
505  // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is
506  // consistent with the f64 and f128 names.
507  Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32;
508  Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16;
509 
510  Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS;
511  }
512 };
513 
514 } // end anonymous namespace
515 
517  RTLIB::Libcall LC,
520  assert(Rets.empty());
521  assert(Params.empty());
522 
523  wasm::ValType PtrTy =
525 
526  auto &Table = RuntimeLibcallSignatures->Table;
527  switch (Table[LC]) {
528  case func:
529  break;
530  case f32_func_f32:
533  break;
534  case f32_func_f64:
537  break;
538  case f32_func_i32:
541  break;
542  case f32_func_i64:
545  break;
546  case f32_func_i16:
549  break;
550  case f64_func_f32:
553  break;
554  case f64_func_f64:
557  break;
558  case f64_func_i32:
561  break;
562  case f64_func_i64:
565  break;
566  case i32_func_f32:
569  break;
570  case i32_func_f64:
573  break;
574  case i32_func_i32:
577  break;
578  case i64_func_f32:
581  break;
582  case i64_func_f64:
585  break;
586  case i64_func_i64:
589  break;
590  case f32_func_f32_f32:
594  break;
595  case f32_func_f32_i32:
599  break;
600  case f32_func_i64_i64:
604  break;
605  case f64_func_f64_f64:
609  break;
610  case f64_func_f64_i32:
614  break;
615  case f64_func_i64_i64:
619  break;
620  case i16_func_f32:
623  break;
624  case i16_func_f64:
627  break;
628  case i16_func_i64_i64:
632  break;
633  case i8_func_i8_i8:
637  break;
638  case func_f32_iPTR_iPTR:
640  Params.push_back(PtrTy);
641  Params.push_back(PtrTy);
642  break;
643  case func_f64_iPTR_iPTR:
645  Params.push_back(PtrTy);
646  Params.push_back(PtrTy);
647  break;
648  case i16_func_i16_i16:
652  break;
653  case i32_func_f32_f32:
657  break;
658  case i32_func_f64_f64:
662  break;
663  case i32_func_i32_i32:
667  break;
668  case i32_func_i32_i32_iPTR:
672  Params.push_back(PtrTy);
673  break;
674  case i64_func_i64_i64:
678  break;
679  case i64_func_i64_i64_iPTR:
683  Params.push_back(PtrTy);
684  break;
685  case i64_i64_func_f32:
686 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
689 #else
690  Params.push_back(PtrTy);
691 #endif
693  break;
694  case i64_i64_func_f64:
695 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
698 #else
699  Params.push_back(PtrTy);
700 #endif
702  break;
703  case i16_i16_func_i16_i16:
704 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
707 #else
708  Params.push_back(PtrTy);
709 #endif
712  break;
713  case i32_i32_func_i32_i32:
714 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
717 #else
718  Params.push_back(PtrTy);
719 #endif
722  break;
723  case i64_i64_func_i64_i64:
724 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
727 #else
728  Params.push_back(PtrTy);
729 #endif
732  break;
733  case i64_i64_func_i64_i64_i64_i64:
734 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
737 #else
738  Params.push_back(PtrTy);
739 #endif
744  break;
745  case i64_i64_func_i64_i64_i64_i64_iPTR:
746 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
749 #else
750  Params.push_back(PtrTy);
751 #endif
756  Params.push_back(PtrTy);
757  break;
758  case i64_i64_i64_i64_func_i64_i64_i64_i64:
759 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
764 #else
765  Params.push_back(PtrTy);
766 #endif
771  break;
772  case i64_i64_func_i64_i64_i32:
773 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
778 #else
779  Params.push_back(PtrTy);
780 #endif
784  break;
785  case iPTR_func_iPTR_i32_iPTR:
786  Rets.push_back(PtrTy);
787  Params.push_back(PtrTy);
789  Params.push_back(PtrTy);
790  break;
791  case iPTR_func_iPTR_iPTR_iPTR:
792  Rets.push_back(PtrTy);
793  Params.push_back(PtrTy);
794  Params.push_back(PtrTy);
795  Params.push_back(PtrTy);
796  break;
797  case f32_func_f32_f32_f32:
802  break;
803  case f64_func_f64_f64_f64:
808  break;
809  case func_i64_i64_iPTR_iPTR:
812  Params.push_back(PtrTy);
813  Params.push_back(PtrTy);
814  break;
815  case func_iPTR_f32:
816  Params.push_back(PtrTy);
818  break;
819  case func_iPTR_f64:
820  Params.push_back(PtrTy);
822  break;
823  case func_iPTR_i32:
824  Params.push_back(PtrTy);
826  break;
827  case func_iPTR_i64:
828  Params.push_back(PtrTy);
830  break;
831  case func_iPTR_i64_i64:
832  Params.push_back(PtrTy);
835  break;
836  case func_iPTR_i64_i64_i32:
837  Params.push_back(PtrTy);
841  break;
842  case func_iPTR_i64_i64_i64_i64:
843  Params.push_back(PtrTy);
848  break;
849  case func_iPTR_i64_i64_i64_i64_i64_i64:
850  Params.push_back(PtrTy);
857  break;
858  case i32_func_i64_i64:
862  break;
863  case i32_func_i64_i64_i64_i64:
869  break;
870  case iPTR_func_f32:
871  Rets.push_back(PtrTy);
873  break;
874  case iPTR_func_f64:
875  Rets.push_back(PtrTy);
877  break;
878  case iPTR_func_i64_i64:
879  Rets.push_back(PtrTy);
882  break;
883  case unsupported:
884  llvm_unreachable("unsupported runtime library signature");
885  }
886 }
887 
889 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unsed
890 // other than here, just roll its logic into this version.
892  const char *Name,
895  auto &Map = LibcallNameMap->Map;
896  auto Val = Map.find(Name);
897 #ifndef NDEBUG
898  if (Val == Map.end()) {
899  auto message = std::string("unexpected runtime library name: ") + Name;
900  llvm_unreachable(message.c_str());
901  }
902 #endif
903  return getLibcallSignature(Subtarget, Val->second, Rets, Params);
904 }
This class represents lattice values for constants.
Definition: AllocatorList.h:23
amdgpu Simplify well known AMD library false FunctionCallee Value const Twine & Name
Libcall
RTLIB::Libcall enum - This enum defines all of the runtime library calls the backend can emit...
iterator find(StringRef Key)
Definition: StringMap.h:216
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
Definition: APFloat.h:43
static Error unsupported(const char *Str, const Triple &T)
Definition: MachO.cpp:71
void getLibcallSignature(const WebAssemblySubtarget &Subtarget, RTLIB::Libcall LC, SmallVectorImpl< wasm::ValType > &Rets, SmallVectorImpl< wasm::ValType > &Params)
This file provides signature information for runtime libcalls.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
This file declares the WebAssembly-specific subclass of TargetSubtarget.
StringMap - This is an unconventional map that is specialized for handling keys that are "strings"...
Definition: StringMap.h:106
static ManagedStatic< StaticLibcallNameMap > LibcallNameMap
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
ManagedStatic - This transparently changes the behavior of global statics to be lazily constructed on...
Definition: ManagedStatic.h:83
OUTCHAIN = ATOMIC_STORE(INCHAIN, ptr, val) This corresponds to "store atomic" instruction.
Definition: ISDOpcodes.h:977
Val, OUTCHAIN = ATOMIC_LOAD(INCHAIN, ptr) This corresponds to "load atomic" instruction.
Definition: ISDOpcodes.h:973
iterator end()
Definition: StringMap.h:203