LLVM  15.0.0git
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"
24 
25 using namespace llvm;
26 
27 namespace {
28 
29 enum 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_f32,
66  i64_i64_func_f64,
67  i16_i16_func_i16_i16,
68  i32_i32_func_i32_i32,
69  i64_i64_func_i64_i64,
70  i64_i64_func_i64_i64_i64_i64,
71  i64_i64_func_i64_i64_i64_i64_iPTR,
72  i64_i64_i64_i64_func_i64_i64_i64_i64,
73  i64_i64_func_i64_i64_i32,
74  iPTR_func_iPTR_i32_iPTR,
75  iPTR_func_iPTR_iPTR_iPTR,
76  f32_func_f32_f32_f32,
77  f64_func_f64_f64_f64,
78  func_i64_i64_iPTR_iPTR,
79  func_iPTR_f32,
80  func_iPTR_f64,
81  func_iPTR_i32,
82  func_iPTR_i64,
83  func_iPTR_i64_i64,
84  func_iPTR_i64_i64_i32,
85  func_iPTR_i64_i64_i64_i64,
86  func_iPTR_i64_i64_i64_i64_i64_i64,
87  i32_func_i64_i64,
88  i32_func_i64_i64_i64_i64,
89  iPTR_func_f32,
90  iPTR_func_f64,
91  iPTR_func_i64_i64,
93 };
94 
95 struct RuntimeLibcallSignatureTable {
96  std::vector<RuntimeLibcallSignature> Table;
97 
98  // Any newly-added libcalls will be unsupported by default.
99  RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) {
100  // Integer
101  Table[RTLIB::SHL_I16] = i16_func_i16_i16;
102  Table[RTLIB::SHL_I32] = i32_func_i32_i32;
103  Table[RTLIB::SHL_I64] = i64_func_i64_i64;
104  Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32;
105  Table[RTLIB::SRL_I16] = i16_func_i16_i16;
106  Table[RTLIB::SRL_I32] = i32_func_i32_i32;
107  Table[RTLIB::SRL_I64] = i64_func_i64_i64;
108  Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32;
109  Table[RTLIB::SRA_I16] = i16_func_i16_i16;
110  Table[RTLIB::SRA_I32] = i32_func_i32_i32;
111  Table[RTLIB::SRA_I64] = i64_func_i64_i64;
112  Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32;
113  Table[RTLIB::MUL_I8] = i8_func_i8_i8;
114  Table[RTLIB::MUL_I16] = i16_func_i16_i16;
115  Table[RTLIB::MUL_I32] = i32_func_i32_i32;
116  Table[RTLIB::MUL_I64] = i64_func_i64_i64;
117  Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64;
118  Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR;
119  Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR;
120  Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR;
121  Table[RTLIB::SDIV_I8] = i8_func_i8_i8;
122  Table[RTLIB::SDIV_I16] = i16_func_i16_i16;
123  Table[RTLIB::SDIV_I32] = i32_func_i32_i32;
124  Table[RTLIB::SDIV_I64] = i64_func_i64_i64;
125  Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64;
126  Table[RTLIB::UDIV_I8] = i8_func_i8_i8;
127  Table[RTLIB::UDIV_I16] = i16_func_i16_i16;
128  Table[RTLIB::UDIV_I32] = i32_func_i32_i32;
129  Table[RTLIB::UDIV_I64] = i64_func_i64_i64;
130  Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64;
131  Table[RTLIB::SREM_I8] = i8_func_i8_i8;
132  Table[RTLIB::SREM_I16] = i16_func_i16_i16;
133  Table[RTLIB::SREM_I32] = i32_func_i32_i32;
134  Table[RTLIB::SREM_I64] = i64_func_i64_i64;
135  Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64;
136  Table[RTLIB::UREM_I8] = i8_func_i8_i8;
137  Table[RTLIB::UREM_I16] = i16_func_i16_i16;
138  Table[RTLIB::UREM_I32] = i32_func_i32_i32;
139  Table[RTLIB::UREM_I64] = i64_func_i64_i64;
140  Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64;
141  Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8;
142  Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16;
143  Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32;
144  Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64;
145  Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64;
146  Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8;
147  Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16;
148  Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32;
149  Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64;
150  Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64;
151  Table[RTLIB::NEG_I32] = i32_func_i32;
152  Table[RTLIB::NEG_I64] = i64_func_i64;
153 
154  // Floating-point.
155  // All F80 and PPCF128 routines are unsupported.
156  Table[RTLIB::ADD_F32] = f32_func_f32_f32;
157  Table[RTLIB::ADD_F64] = f64_func_f64_f64;
158  Table[RTLIB::ADD_F128] = func_iPTR_i64_i64_i64_i64;
159  Table[RTLIB::SUB_F32] = f32_func_f32_f32;
160  Table[RTLIB::SUB_F64] = f64_func_f64_f64;
161  Table[RTLIB::SUB_F128] = func_iPTR_i64_i64_i64_i64;
162  Table[RTLIB::MUL_F32] = f32_func_f32_f32;
163  Table[RTLIB::MUL_F64] = f64_func_f64_f64;
164  Table[RTLIB::MUL_F128] = func_iPTR_i64_i64_i64_i64;
165  Table[RTLIB::DIV_F32] = f32_func_f32_f32;
166  Table[RTLIB::DIV_F64] = f64_func_f64_f64;
167  Table[RTLIB::DIV_F128] = func_iPTR_i64_i64_i64_i64;
168  Table[RTLIB::REM_F32] = f32_func_f32_f32;
169  Table[RTLIB::REM_F64] = f64_func_f64_f64;
170  Table[RTLIB::REM_F128] = func_iPTR_i64_i64_i64_i64;
171  Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32;
172  Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64;
173  Table[RTLIB::FMA_F128] = func_iPTR_i64_i64_i64_i64_i64_i64;
174  Table[RTLIB::POWI_F32] = f32_func_f32_i32;
175  Table[RTLIB::POWI_F64] = f64_func_f64_i32;
176  Table[RTLIB::POWI_F128] = func_iPTR_i64_i64_i32;
177  Table[RTLIB::SQRT_F32] = f32_func_f32;
178  Table[RTLIB::SQRT_F64] = f64_func_f64;
179  Table[RTLIB::SQRT_F128] = func_iPTR_i64_i64;
180  Table[RTLIB::CBRT_F32] = f32_func_f32;
181  Table[RTLIB::CBRT_F64] = f64_func_f64;
182  Table[RTLIB::CBRT_F128] = func_iPTR_i64_i64;
183  Table[RTLIB::LOG_F32] = f32_func_f32;
184  Table[RTLIB::LOG_F64] = f64_func_f64;
185  Table[RTLIB::LOG_F128] = func_iPTR_i64_i64;
186  Table[RTLIB::LOG2_F32] = f32_func_f32;
187  Table[RTLIB::LOG2_F64] = f64_func_f64;
188  Table[RTLIB::LOG2_F128] = func_iPTR_i64_i64;
189  Table[RTLIB::LOG10_F32] = f32_func_f32;
190  Table[RTLIB::LOG10_F64] = f64_func_f64;
191  Table[RTLIB::LOG10_F128] = func_iPTR_i64_i64;
192  Table[RTLIB::EXP_F32] = f32_func_f32;
193  Table[RTLIB::EXP_F64] = f64_func_f64;
194  Table[RTLIB::EXP_F128] = func_iPTR_i64_i64;
195  Table[RTLIB::EXP2_F32] = f32_func_f32;
196  Table[RTLIB::EXP2_F64] = f64_func_f64;
197  Table[RTLIB::EXP2_F128] = func_iPTR_i64_i64;
198  Table[RTLIB::SIN_F32] = f32_func_f32;
199  Table[RTLIB::SIN_F64] = f64_func_f64;
200  Table[RTLIB::SIN_F128] = func_iPTR_i64_i64;
201  Table[RTLIB::COS_F32] = f32_func_f32;
202  Table[RTLIB::COS_F64] = f64_func_f64;
203  Table[RTLIB::COS_F128] = func_iPTR_i64_i64;
204  Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR;
205  Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR;
206  Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR;
207  Table[RTLIB::POW_F32] = f32_func_f32_f32;
208  Table[RTLIB::POW_F64] = f64_func_f64_f64;
209  Table[RTLIB::POW_F128] = func_iPTR_i64_i64_i64_i64;
210  Table[RTLIB::CEIL_F32] = f32_func_f32;
211  Table[RTLIB::CEIL_F64] = f64_func_f64;
212  Table[RTLIB::CEIL_F128] = func_iPTR_i64_i64;
213  Table[RTLIB::TRUNC_F32] = f32_func_f32;
214  Table[RTLIB::TRUNC_F64] = f64_func_f64;
215  Table[RTLIB::TRUNC_F128] = func_iPTR_i64_i64;
216  Table[RTLIB::RINT_F32] = f32_func_f32;
217  Table[RTLIB::RINT_F64] = f64_func_f64;
218  Table[RTLIB::RINT_F128] = func_iPTR_i64_i64;
219  Table[RTLIB::NEARBYINT_F32] = f32_func_f32;
220  Table[RTLIB::NEARBYINT_F64] = f64_func_f64;
221  Table[RTLIB::NEARBYINT_F128] = func_iPTR_i64_i64;
222  Table[RTLIB::ROUND_F32] = f32_func_f32;
223  Table[RTLIB::ROUND_F64] = f64_func_f64;
224  Table[RTLIB::ROUND_F128] = func_iPTR_i64_i64;
225  Table[RTLIB::LROUND_F32] = iPTR_func_f32;
226  Table[RTLIB::LROUND_F64] = iPTR_func_f64;
227  Table[RTLIB::LROUND_F128] = iPTR_func_i64_i64;
228  Table[RTLIB::LLROUND_F32] = i64_func_f32;
229  Table[RTLIB::LLROUND_F64] = i64_func_f64;
230  Table[RTLIB::LLROUND_F128] = i64_func_i64_i64;
231  Table[RTLIB::LRINT_F32] = iPTR_func_f32;
232  Table[RTLIB::LRINT_F64] = iPTR_func_f64;
233  Table[RTLIB::LRINT_F128] = iPTR_func_i64_i64;
234  Table[RTLIB::LLRINT_F32] = i64_func_f32;
235  Table[RTLIB::LLRINT_F64] = i64_func_f64;
236  Table[RTLIB::LLRINT_F128] = i64_func_i64_i64;
237  Table[RTLIB::FLOOR_F32] = f32_func_f32;
238  Table[RTLIB::FLOOR_F64] = f64_func_f64;
239  Table[RTLIB::FLOOR_F128] = func_iPTR_i64_i64;
240  Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32;
241  Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64;
242  Table[RTLIB::COPYSIGN_F128] = func_iPTR_i64_i64_i64_i64;
243  Table[RTLIB::FMIN_F32] = f32_func_f32_f32;
244  Table[RTLIB::FMIN_F64] = f64_func_f64_f64;
245  Table[RTLIB::FMIN_F128] = func_iPTR_i64_i64_i64_i64;
246  Table[RTLIB::FMAX_F32] = f32_func_f32_f32;
247  Table[RTLIB::FMAX_F64] = f64_func_f64_f64;
248  Table[RTLIB::FMAX_F128] = func_iPTR_i64_i64_i64_i64;
249 
250  // Conversion
251  // All F80 and PPCF128 routines are unsupported.
252  Table[RTLIB::FPEXT_F64_F128] = func_iPTR_f64;
253  Table[RTLIB::FPEXT_F32_F128] = func_iPTR_f32;
254  Table[RTLIB::FPEXT_F32_F64] = f64_func_f32;
255  Table[RTLIB::FPEXT_F16_F32] = f32_func_i16;
256  Table[RTLIB::FPROUND_F32_F16] = i16_func_f32;
257  Table[RTLIB::FPROUND_F64_F16] = i16_func_f64;
258  Table[RTLIB::FPROUND_F64_F32] = f32_func_f64;
259  Table[RTLIB::FPROUND_F128_F16] = i16_func_i64_i64;
260  Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64;
261  Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64;
262  Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32;
263  Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32;
264  Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32;
265  Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64;
266  Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64;
267  Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64;
268  Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64;
269  Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64;
270  Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64;
271  Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32;
272  Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32;
273  Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32;
274  Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64;
275  Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64;
276  Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64;
277  Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64;
278  Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64;
279  Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64;
280  Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32;
281  Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32;
282  Table[RTLIB::SINTTOFP_I32_F128] = func_iPTR_i32;
283  Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64;
284  Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64;
285  Table[RTLIB::SINTTOFP_I64_F128] = func_iPTR_i64;
286  Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64;
287  Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64;
288  Table[RTLIB::SINTTOFP_I128_F128] = func_iPTR_i64_i64;
289  Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32;
290  Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64;
291  Table[RTLIB::UINTTOFP_I32_F128] = func_iPTR_i32;
292  Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64;
293  Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64;
294  Table[RTLIB::UINTTOFP_I64_F128] = func_iPTR_i64;
295  Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64;
296  Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64;
297  Table[RTLIB::UINTTOFP_I128_F128] = func_iPTR_i64_i64;
298 
299  // Comparison
300  // ALl F80 and PPCF128 routines are unsupported.
301  Table[RTLIB::OEQ_F32] = i32_func_f32_f32;
302  Table[RTLIB::OEQ_F64] = i32_func_f64_f64;
303  Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64;
304  Table[RTLIB::UNE_F32] = i32_func_f32_f32;
305  Table[RTLIB::UNE_F64] = i32_func_f64_f64;
306  Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64;
307  Table[RTLIB::OGE_F32] = i32_func_f32_f32;
308  Table[RTLIB::OGE_F64] = i32_func_f64_f64;
309  Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64;
310  Table[RTLIB::OLT_F32] = i32_func_f32_f32;
311  Table[RTLIB::OLT_F64] = i32_func_f64_f64;
312  Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64;
313  Table[RTLIB::OLE_F32] = i32_func_f32_f32;
314  Table[RTLIB::OLE_F64] = i32_func_f64_f64;
315  Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64;
316  Table[RTLIB::OGT_F32] = i32_func_f32_f32;
317  Table[RTLIB::OGT_F64] = i32_func_f64_f64;
318  Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64;
319  Table[RTLIB::UO_F32] = i32_func_f32_f32;
320  Table[RTLIB::UO_F64] = i32_func_f64_f64;
321  Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64;
322 
323  // Memory
324  Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR;
325  Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR;
326  Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR;
327 
328  // __stack_chk_fail
329  Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func;
330 
331  // Return address handling
332  Table[RTLIB::RETURN_ADDRESS] = i32_func_i32;
333 
334  // Element-wise Atomic memory
335  // TODO: Fix these when we implement atomic support
336  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
337  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
338  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
339  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
340  Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
341  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
342  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
343  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
344  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
345  Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
346 
347  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;
348  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported;
349  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported;
350  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported;
351  Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported;
352 
353  // Atomic '__sync_*' libcalls.
354  // TODO: Fix these when we implement atomic support
355  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported;
356  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported;
357  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported;
358  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported;
359  Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported;
360  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported;
361  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported;
362  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported;
363  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported;
364  Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported;
365  Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported;
366  Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported;
367  Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported;
368  Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported;
369  Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported;
370  Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported;
371  Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported;
372  Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported;
373  Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported;
374  Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported;
375  Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported;
376  Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported;
377  Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported;
378  Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported;
379  Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported;
380  Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported;
381  Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported;
382  Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported;
383  Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported;
384  Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported;
385  Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported;
386  Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported;
387  Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported;
388  Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported;
389  Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported;
390  Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported;
391  Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported;
392  Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported;
393  Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported;
394  Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported;
395  Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported;
396  Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported;
397  Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported;
398  Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported;
399  Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported;
400  Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported;
401  Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported;
402  Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported;
403  Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported;
404  Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported;
405  Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported;
406  Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported;
407  Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported;
408  Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported;
409  Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported;
410  Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported;
411  Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported;
412  Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported;
413  Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported;
414  Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported;
415 
416  // Atomic '__atomic_*' libcalls.
417  // TODO: Fix these when we implement atomic support
419  Table[RTLIB::ATOMIC_LOAD_1] = unsupported;
420  Table[RTLIB::ATOMIC_LOAD_2] = unsupported;
421  Table[RTLIB::ATOMIC_LOAD_4] = unsupported;
422  Table[RTLIB::ATOMIC_LOAD_8] = unsupported;
423  Table[RTLIB::ATOMIC_LOAD_16] = unsupported;
424 
426  Table[RTLIB::ATOMIC_STORE_1] = unsupported;
427  Table[RTLIB::ATOMIC_STORE_2] = unsupported;
428  Table[RTLIB::ATOMIC_STORE_4] = unsupported;
429  Table[RTLIB::ATOMIC_STORE_8] = unsupported;
430  Table[RTLIB::ATOMIC_STORE_16] = unsupported;
431 
432  Table[RTLIB::ATOMIC_EXCHANGE] = unsupported;
433  Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported;
434  Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported;
435  Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported;
436  Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported;
437  Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported;
438 
439  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported;
440  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported;
441  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported;
442  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported;
443  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported;
444  Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported;
445 
446  Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported;
447  Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported;
448  Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported;
449  Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported;
450  Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported;
451 
452  Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported;
453  Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported;
454  Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported;
455  Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported;
456  Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported;
457 
458  Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported;
459  Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported;
460  Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported;
461  Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported;
462  Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported;
463 
464  Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported;
465  Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported;
466  Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported;
467  Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported;
468  Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported;
469 
470  Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported;
471  Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported;
472  Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported;
473  Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported;
474  Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported;
475 
476  Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported;
477  Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported;
478  Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported;
479  Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported;
480  Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported;
481  }
482 };
483 
484 RuntimeLibcallSignatureTable &getRuntimeLibcallSignatures() {
485  static RuntimeLibcallSignatureTable RuntimeLibcallSignatures;
486  return RuntimeLibcallSignatures;
487 }
488 
489 // Maps libcall names to their RTLIB::Libcall number. Builds the map in a
490 // constructor for use with a static variable
491 struct StaticLibcallNameMap {
493  StaticLibcallNameMap() {
494  static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = {
495 #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code},
496 #include "llvm/IR/RuntimeLibcalls.def"
497 #undef HANDLE_LIBCALL
498  };
499  for (const auto &NameLibcall : NameLibcalls) {
500  if (NameLibcall.first != nullptr &&
501  getRuntimeLibcallSignatures().Table[NameLibcall.second] !=
502  unsupported) {
503  assert(Map.find(NameLibcall.first) == Map.end() &&
504  "duplicate libcall names in name map");
505  Map[NameLibcall.first] = NameLibcall.second;
506  }
507  }
508  // Override the __gnu_f2h_ieee/__gnu_h2f_ieee names so that the f32 name is
509  // consistent with the f64 and f128 names.
510  Map["__extendhfsf2"] = RTLIB::FPEXT_F16_F32;
511  Map["__truncsfhf2"] = RTLIB::FPROUND_F32_F16;
512 
513  Map["emscripten_return_address"] = RTLIB::RETURN_ADDRESS;
514  }
515 };
516 
517 } // end anonymous namespace
518 
520  RTLIB::Libcall LC,
523  assert(Rets.empty());
524  assert(Params.empty());
525 
526  wasm::ValType PtrTy =
528 
529  auto &Table = getRuntimeLibcallSignatures().Table;
530  switch (Table[LC]) {
531  case func:
532  break;
533  case f32_func_f32:
534  Rets.push_back(wasm::ValType::F32);
535  Params.push_back(wasm::ValType::F32);
536  break;
537  case f32_func_f64:
538  Rets.push_back(wasm::ValType::F32);
539  Params.push_back(wasm::ValType::F64);
540  break;
541  case f32_func_i32:
542  Rets.push_back(wasm::ValType::F32);
543  Params.push_back(wasm::ValType::I32);
544  break;
545  case f32_func_i64:
546  Rets.push_back(wasm::ValType::F32);
547  Params.push_back(wasm::ValType::I64);
548  break;
549  case f32_func_i16:
550  Rets.push_back(wasm::ValType::F32);
551  Params.push_back(wasm::ValType::I32);
552  break;
553  case f64_func_f32:
554  Rets.push_back(wasm::ValType::F64);
555  Params.push_back(wasm::ValType::F32);
556  break;
557  case f64_func_f64:
558  Rets.push_back(wasm::ValType::F64);
559  Params.push_back(wasm::ValType::F64);
560  break;
561  case f64_func_i32:
562  Rets.push_back(wasm::ValType::F64);
563  Params.push_back(wasm::ValType::I32);
564  break;
565  case f64_func_i64:
566  Rets.push_back(wasm::ValType::F64);
567  Params.push_back(wasm::ValType::I64);
568  break;
569  case i32_func_f32:
570  Rets.push_back(wasm::ValType::I32);
571  Params.push_back(wasm::ValType::F32);
572  break;
573  case i32_func_f64:
574  Rets.push_back(wasm::ValType::I32);
575  Params.push_back(wasm::ValType::F64);
576  break;
577  case i32_func_i32:
578  Rets.push_back(wasm::ValType::I32);
579  Params.push_back(wasm::ValType::I32);
580  break;
581  case i64_func_f32:
582  Rets.push_back(wasm::ValType::I64);
583  Params.push_back(wasm::ValType::F32);
584  break;
585  case i64_func_f64:
586  Rets.push_back(wasm::ValType::I64);
587  Params.push_back(wasm::ValType::F64);
588  break;
589  case i64_func_i64:
590  Rets.push_back(wasm::ValType::I64);
591  Params.push_back(wasm::ValType::I64);
592  break;
593  case f32_func_f32_f32:
594  Rets.push_back(wasm::ValType::F32);
595  Params.push_back(wasm::ValType::F32);
596  Params.push_back(wasm::ValType::F32);
597  break;
598  case f32_func_f32_i32:
599  Rets.push_back(wasm::ValType::F32);
600  Params.push_back(wasm::ValType::F32);
601  Params.push_back(wasm::ValType::I32);
602  break;
603  case f32_func_i64_i64:
604  Rets.push_back(wasm::ValType::F32);
605  Params.push_back(wasm::ValType::I64);
606  Params.push_back(wasm::ValType::I64);
607  break;
608  case f64_func_f64_f64:
609  Rets.push_back(wasm::ValType::F64);
610  Params.push_back(wasm::ValType::F64);
611  Params.push_back(wasm::ValType::F64);
612  break;
613  case f64_func_f64_i32:
614  Rets.push_back(wasm::ValType::F64);
615  Params.push_back(wasm::ValType::F64);
616  Params.push_back(wasm::ValType::I32);
617  break;
618  case f64_func_i64_i64:
619  Rets.push_back(wasm::ValType::F64);
620  Params.push_back(wasm::ValType::I64);
621  Params.push_back(wasm::ValType::I64);
622  break;
623  case i16_func_f32:
624  Rets.push_back(wasm::ValType::I32);
625  Params.push_back(wasm::ValType::F32);
626  break;
627  case i16_func_f64:
628  Rets.push_back(wasm::ValType::I32);
629  Params.push_back(wasm::ValType::F64);
630  break;
631  case i16_func_i64_i64:
632  Rets.push_back(wasm::ValType::I32);
633  Params.push_back(wasm::ValType::I64);
634  Params.push_back(wasm::ValType::I64);
635  break;
636  case i8_func_i8_i8:
637  Rets.push_back(wasm::ValType::I32);
638  Params.push_back(wasm::ValType::I32);
639  Params.push_back(wasm::ValType::I32);
640  break;
641  case func_f32_iPTR_iPTR:
642  Params.push_back(wasm::ValType::F32);
643  Params.push_back(PtrTy);
644  Params.push_back(PtrTy);
645  break;
646  case func_f64_iPTR_iPTR:
647  Params.push_back(wasm::ValType::F64);
648  Params.push_back(PtrTy);
649  Params.push_back(PtrTy);
650  break;
651  case i16_func_i16_i16:
652  Rets.push_back(wasm::ValType::I32);
653  Params.push_back(wasm::ValType::I32);
654  Params.push_back(wasm::ValType::I32);
655  break;
656  case i32_func_f32_f32:
657  Rets.push_back(wasm::ValType::I32);
658  Params.push_back(wasm::ValType::F32);
659  Params.push_back(wasm::ValType::F32);
660  break;
661  case i32_func_f64_f64:
662  Rets.push_back(wasm::ValType::I32);
663  Params.push_back(wasm::ValType::F64);
664  Params.push_back(wasm::ValType::F64);
665  break;
666  case i32_func_i32_i32:
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 i32_func_i32_i32_iPTR:
672  Rets.push_back(wasm::ValType::I32);
673  Params.push_back(wasm::ValType::I32);
674  Params.push_back(wasm::ValType::I32);
675  Params.push_back(PtrTy);
676  break;
677  case i64_func_i64_i64:
678  Rets.push_back(wasm::ValType::I64);
679  Params.push_back(wasm::ValType::I64);
680  Params.push_back(wasm::ValType::I64);
681  break;
682  case i64_func_i64_i64_iPTR:
683  Rets.push_back(wasm::ValType::I64);
684  Params.push_back(wasm::ValType::I64);
685  Params.push_back(wasm::ValType::I64);
686  Params.push_back(PtrTy);
687  break;
688  case i64_i64_func_f32:
689 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
690  Rets.push_back(wasm::ValType::I64);
691  Rets.push_back(wasm::ValType::I64);
692 #else
693  Params.push_back(PtrTy);
694 #endif
695  Params.push_back(wasm::ValType::F32);
696  break;
697  case i64_i64_func_f64:
698 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
699  Rets.push_back(wasm::ValType::I64);
700  Rets.push_back(wasm::ValType::I64);
701 #else
702  Params.push_back(PtrTy);
703 #endif
704  Params.push_back(wasm::ValType::F64);
705  break;
706  case i16_i16_func_i16_i16:
707 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
708  Rets.push_back(wasm::ValType::I32);
709  Rets.push_back(wasm::ValType::I32);
710 #else
711  Params.push_back(PtrTy);
712 #endif
713  Params.push_back(wasm::ValType::I32);
714  Params.push_back(wasm::ValType::I32);
715  break;
716  case i32_i32_func_i32_i32:
717 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
718  Rets.push_back(wasm::ValType::I32);
719  Rets.push_back(wasm::ValType::I32);
720 #else
721  Params.push_back(PtrTy);
722 #endif
723  Params.push_back(wasm::ValType::I32);
724  Params.push_back(wasm::ValType::I32);
725  break;
726  case i64_i64_func_i64_i64:
727 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
728  Rets.push_back(wasm::ValType::I64);
729  Rets.push_back(wasm::ValType::I64);
730 #else
731  Params.push_back(PtrTy);
732 #endif
733  Params.push_back(wasm::ValType::I64);
734  Params.push_back(wasm::ValType::I64);
735  break;
736  case i64_i64_func_i64_i64_i64_i64:
737 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
738  Rets.push_back(wasm::ValType::I64);
739  Rets.push_back(wasm::ValType::I64);
740 #else
741  Params.push_back(PtrTy);
742 #endif
743  Params.push_back(wasm::ValType::I64);
744  Params.push_back(wasm::ValType::I64);
745  Params.push_back(wasm::ValType::I64);
746  Params.push_back(wasm::ValType::I64);
747  break;
748  case i64_i64_func_i64_i64_i64_i64_iPTR:
749 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
750  Rets.push_back(wasm::ValType::I64);
751  Rets.push_back(wasm::ValType::I64);
752 #else
753  Params.push_back(PtrTy);
754 #endif
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(wasm::ValType::I64);
759  Params.push_back(PtrTy);
760  break;
761  case i64_i64_i64_i64_func_i64_i64_i64_i64:
762 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
763  Rets.push_back(wasm::ValType::I64);
764  Rets.push_back(wasm::ValType::I64);
765  Rets.push_back(wasm::ValType::I64);
766  Rets.push_back(wasm::ValType::I64);
767 #else
768  Params.push_back(PtrTy);
769 #endif
770  Params.push_back(wasm::ValType::I64);
771  Params.push_back(wasm::ValType::I64);
772  Params.push_back(wasm::ValType::I64);
773  Params.push_back(wasm::ValType::I64);
774  break;
775  case i64_i64_func_i64_i64_i32:
776 #if 0 // TODO: Enable this when wasm gets multiple-return-value support.
777  Rets.push_back(wasm::ValType::I64);
778  Rets.push_back(wasm::ValType::I64);
779  Rets.push_back(wasm::ValType::I64);
780  Rets.push_back(wasm::ValType::I64);
781 #else
782  Params.push_back(PtrTy);
783 #endif
784  Params.push_back(wasm::ValType::I64);
785  Params.push_back(wasm::ValType::I64);
786  Params.push_back(wasm::ValType::I32);
787  break;
788  case iPTR_func_iPTR_i32_iPTR:
789  Rets.push_back(PtrTy);
790  Params.push_back(PtrTy);
791  Params.push_back(wasm::ValType::I32);
792  Params.push_back(PtrTy);
793  break;
794  case iPTR_func_iPTR_iPTR_iPTR:
795  Rets.push_back(PtrTy);
796  Params.push_back(PtrTy);
797  Params.push_back(PtrTy);
798  Params.push_back(PtrTy);
799  break;
800  case f32_func_f32_f32_f32:
801  Rets.push_back(wasm::ValType::F32);
802  Params.push_back(wasm::ValType::F32);
803  Params.push_back(wasm::ValType::F32);
804  Params.push_back(wasm::ValType::F32);
805  break;
806  case f64_func_f64_f64_f64:
807  Rets.push_back(wasm::ValType::F64);
808  Params.push_back(wasm::ValType::F64);
809  Params.push_back(wasm::ValType::F64);
810  Params.push_back(wasm::ValType::F64);
811  break;
812  case func_i64_i64_iPTR_iPTR:
813  Params.push_back(wasm::ValType::I64);
814  Params.push_back(wasm::ValType::I64);
815  Params.push_back(PtrTy);
816  Params.push_back(PtrTy);
817  break;
818  case func_iPTR_f32:
819  Params.push_back(PtrTy);
820  Params.push_back(wasm::ValType::F32);
821  break;
822  case func_iPTR_f64:
823  Params.push_back(PtrTy);
824  Params.push_back(wasm::ValType::F64);
825  break;
826  case func_iPTR_i32:
827  Params.push_back(PtrTy);
828  Params.push_back(wasm::ValType::I32);
829  break;
830  case func_iPTR_i64:
831  Params.push_back(PtrTy);
832  Params.push_back(wasm::ValType::I64);
833  break;
834  case func_iPTR_i64_i64:
835  Params.push_back(PtrTy);
836  Params.push_back(wasm::ValType::I64);
837  Params.push_back(wasm::ValType::I64);
838  break;
839  case func_iPTR_i64_i64_i32:
840  Params.push_back(PtrTy);
841  Params.push_back(wasm::ValType::I64);
842  Params.push_back(wasm::ValType::I64);
843  Params.push_back(wasm::ValType::I32);
844  break;
845  case func_iPTR_i64_i64_i64_i64:
846  Params.push_back(PtrTy);
847  Params.push_back(wasm::ValType::I64);
848  Params.push_back(wasm::ValType::I64);
849  Params.push_back(wasm::ValType::I64);
850  Params.push_back(wasm::ValType::I64);
851  break;
852  case func_iPTR_i64_i64_i64_i64_i64_i64:
853  Params.push_back(PtrTy);
854  Params.push_back(wasm::ValType::I64);
855  Params.push_back(wasm::ValType::I64);
856  Params.push_back(wasm::ValType::I64);
857  Params.push_back(wasm::ValType::I64);
858  Params.push_back(wasm::ValType::I64);
859  Params.push_back(wasm::ValType::I64);
860  break;
861  case i32_func_i64_i64:
862  Rets.push_back(wasm::ValType::I32);
863  Params.push_back(wasm::ValType::I64);
864  Params.push_back(wasm::ValType::I64);
865  break;
866  case i32_func_i64_i64_i64_i64:
867  Rets.push_back(wasm::ValType::I32);
868  Params.push_back(wasm::ValType::I64);
869  Params.push_back(wasm::ValType::I64);
870  Params.push_back(wasm::ValType::I64);
871  Params.push_back(wasm::ValType::I64);
872  break;
873  case iPTR_func_f32:
874  Rets.push_back(PtrTy);
875  Params.push_back(wasm::ValType::F32);
876  break;
877  case iPTR_func_f64:
878  Rets.push_back(PtrTy);
879  Params.push_back(wasm::ValType::F64);
880  break;
881  case iPTR_func_i64_i64:
882  Rets.push_back(PtrTy);
883  Params.push_back(wasm::ValType::I64);
884  Params.push_back(wasm::ValType::I64);
885  break;
886  case unsupported:
887  llvm_unreachable("unsupported runtime library signature");
888  }
889 }
890 
891 // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unsed
892 // other than here, just roll its logic into this version.
894  StringRef Name,
897  static StaticLibcallNameMap LibcallNameMap;
898  auto &Map = LibcallNameMap.Map;
899  auto Val = Map.find(Name);
900 #ifndef NDEBUG
901  if (Val == Map.end()) {
902  auto message = std::string("unexpected runtime library name: ") +
903  std::string(Name);
904  llvm_unreachable(message.c_str());
905  }
906 #endif
907  return getLibcallSignature(Subtarget, Val->second, Rets, Params);
908 }
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:17
llvm::wasm::ValType::I32
@ I32
llvm::RTLIB::Libcall
Libcall
RTLIB::Libcall enum - This enum defines all of the runtime library calls the backend can emit.
Definition: RuntimeLibcalls.h:30
llvm::WebAssemblySubtarget::hasAddr64
bool hasAddr64() const
Definition: WebAssemblySubtarget.h:92
llvm::ARMISD::MEMCPY
@ MEMCPY
Definition: ARMISelLowering.h:310
llvm::msgpack::Type::Map
@ Map
llvm::wasm::ValType::F64
@ F64
llvm::wasm::ValType::F32
@ F32
WebAssemblyRuntimeLibcallSignatures.h
llvm::ISD::ATOMIC_STORE
@ ATOMIC_STORE
OUTCHAIN = ATOMIC_STORE(INCHAIN, ptr, val) This corresponds to "store atomic" instruction.
Definition: ISDOpcodes.h:1163
llvm::wasm::ValType
ValType
Definition: Wasm.h:424
llvm::StringMap
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
Definition: StringMap.h:110
RuntimeLibcalls.h
llvm::wasm::ValType::I64
@ I64
llvm::getLibcallSignature
void getLibcallSignature(const WebAssemblySubtarget &Subtarget, RTLIB::Libcall LC, SmallVectorImpl< wasm::ValType > &Rets, SmallVectorImpl< wasm::ValType > &Params)
Definition: WebAssemblyRuntimeLibcallSignatures.cpp:519
message
message(STATUS "Targeting ${t}") add_subdirectory($
Definition: CMakeLists.txt:33
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:58
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:143
llvm::WebAssemblySubtarget
Definition: WebAssemblySubtarget.h:35
llvm::GraphProgram::Name
Name
Definition: GraphWriter.h:50
WebAssemblySubtarget.h
unsupported
static Error unsupported(const char *Str, const Triple &T)
Definition: MachO.cpp:71
llvm::SmallVectorImpl< wasm::ValType >
llvm::ISD::ATOMIC_LOAD
@ ATOMIC_LOAD
Val, OUTCHAIN = ATOMIC_LOAD(INCHAIN, ptr) This corresponds to "load atomic" instruction.
Definition: ISDOpcodes.h:1159