1 //===----------- TargetParser.cpp - Target Parser -------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/ADT/STLExtras.h"
11 #include "llvm/Support/ARMBuildAttributes.h"
12 #include "llvm/Support/TargetParser.h"
13 #include "gtest/gtest.h"
14 #include <string>
15 
16 using namespace llvm;
17 
18 namespace {
19 const char *ARMArch[] = {
20     "armv2",        "armv2a",      "armv3",        "armv3m",      "armv4",
21     "armv4t",       "armv5",       "armv5t",       "armv5e",      "armv5te",
22     "armv5tej",     "armv6",       "armv6j",       "armv6k",      "armv6hl",
23     "armv6t2",      "armv6kz",     "armv6z",       "armv6zk",     "armv6-m",
24     "armv6m",       "armv6sm",     "armv6s-m",     "armv7-a",     "armv7",
25     "armv7a",       "armv7hl",     "armv7l",       "armv7-r",     "armv7r",
26     "armv7-m",      "armv7m",      "armv7k",       "armv7s",      "armv7e-m",
27     "armv7em",      "armv8-a",     "armv8",        "armv8a",      "armv8.1-a",
28     "armv8.1a",     "armv8.2-a",   "armv8.2a",     "armv8-r",     "armv8r",
29     "armv8-m.base", "armv8m.base", "armv8-m.main", "armv8m.main", "iwmmxt",
30     "iwmmxt2",      "xscale"};
31 
32 bool testARMCPU(StringRef CPUName, StringRef ExpectedArch,
33                 StringRef ExpectedFPU, unsigned ExpectedFlags,
34                 StringRef CPUAttr) {
35   unsigned ArchKind = ARM::parseCPUArch(CPUName);
36   bool pass = ARM::getArchName(ArchKind).equals(ExpectedArch);
37   unsigned FPUKind = ARM::getDefaultFPU(CPUName, ArchKind);
38   pass &= ARM::getFPUName(FPUKind).equals(ExpectedFPU);
39 
40   unsigned ExtKind = ARM::getDefaultExtensions(CPUName, ArchKind);
41   if (ExtKind > 1 && (ExtKind & ARM::AEK_NONE))
42     pass &= ((ExtKind ^ ARM::AEK_NONE) == ExpectedFlags);
43   else
44     pass &= (ExtKind == ExpectedFlags);
45 
46   pass &= ARM::getCPUAttr(ArchKind).equals(CPUAttr);
47 
48   return pass;
49 }
50 
51 TEST(TargetParserTest, testARMCPU) {
52   EXPECT_TRUE(testARMCPU("invalid", "invalid", "invalid",
53                          ARM::AEK_NONE, ""));
54   EXPECT_TRUE(testARMCPU("generic", "invalid", "none",
55                          ARM::AEK_NONE, ""));
56 
57   EXPECT_TRUE(testARMCPU("arm2", "armv2", "none",
58                          ARM::AEK_NONE, "2"));
59   EXPECT_TRUE(testARMCPU("arm3", "armv2a", "none",
60                          ARM::AEK_NONE, "2A"));
61   EXPECT_TRUE(testARMCPU("arm6", "armv3", "none",
62                          ARM::AEK_NONE, "3"));
63   EXPECT_TRUE(testARMCPU("arm7m", "armv3m", "none",
64                          ARM::AEK_NONE, "3M"));
65   EXPECT_TRUE(testARMCPU("arm8", "armv4", "none",
66                          ARM::AEK_NONE, "4"));
67   EXPECT_TRUE(testARMCPU("arm810", "armv4", "none",
68                          ARM::AEK_NONE, "4"));
69   EXPECT_TRUE(testARMCPU("strongarm", "armv4", "none",
70                          ARM::AEK_NONE, "4"));
71   EXPECT_TRUE(testARMCPU("strongarm110", "armv4", "none",
72                          ARM::AEK_NONE, "4"));
73   EXPECT_TRUE(testARMCPU("strongarm1100", "armv4", "none",
74                          ARM::AEK_NONE, "4"));
75   EXPECT_TRUE(testARMCPU("strongarm1110", "armv4", "none",
76                          ARM::AEK_NONE, "4"));
77   EXPECT_TRUE(testARMCPU("arm7tdmi", "armv4t", "none",
78                          ARM::AEK_NONE, "4T"));
79   EXPECT_TRUE(testARMCPU("arm7tdmi-s", "armv4t", "none",
80                          ARM::AEK_NONE, "4T"));
81   EXPECT_TRUE(testARMCPU("arm710t", "armv4t", "none",
82                          ARM::AEK_NONE, "4T"));
83   EXPECT_TRUE(testARMCPU("arm720t", "armv4t", "none",
84                          ARM::AEK_NONE, "4T"));
85   EXPECT_TRUE(testARMCPU("arm9", "armv4t", "none",
86                          ARM::AEK_NONE, "4T"));
87   EXPECT_TRUE(testARMCPU("arm9tdmi", "armv4t", "none",
88                          ARM::AEK_NONE, "4T"));
89   EXPECT_TRUE(testARMCPU("arm920", "armv4t", "none",
90                          ARM::AEK_NONE, "4T"));
91   EXPECT_TRUE(testARMCPU("arm920t", "armv4t", "none",
92                          ARM::AEK_NONE, "4T"));
93   EXPECT_TRUE(testARMCPU("arm922t", "armv4t", "none",
94                          ARM::AEK_NONE, "4T"));
95   EXPECT_TRUE(testARMCPU("arm9312", "armv4t", "none",
96                          ARM::AEK_NONE, "4T"));
97   EXPECT_TRUE(testARMCPU("arm940t", "armv4t", "none",
98                          ARM::AEK_NONE, "4T"));
99   EXPECT_TRUE(testARMCPU("ep9312", "armv4t", "none",
100                          ARM::AEK_NONE, "4T"));
101   EXPECT_TRUE(testARMCPU("arm10tdmi", "armv5t", "none",
102                          ARM::AEK_NONE, "5T"));
103   EXPECT_TRUE(testARMCPU("arm1020t", "armv5t", "none",
104                          ARM::AEK_NONE, "5T"));
105   EXPECT_TRUE(testARMCPU("arm9e", "armv5te", "none",
106                          ARM::AEK_DSP, "5TE"));
107   EXPECT_TRUE(testARMCPU("arm946e-s", "armv5te", "none",
108                          ARM::AEK_DSP, "5TE"));
109   EXPECT_TRUE(testARMCPU("arm966e-s", "armv5te", "none",
110                          ARM::AEK_DSP, "5TE"));
111   EXPECT_TRUE(testARMCPU("arm968e-s", "armv5te", "none",
112                          ARM::AEK_DSP, "5TE"));
113   EXPECT_TRUE(testARMCPU("arm10e", "armv5te", "none",
114                          ARM::AEK_DSP, "5TE"));
115   EXPECT_TRUE(testARMCPU("arm1020e", "armv5te", "none",
116                          ARM::AEK_DSP, "5TE"));
117   EXPECT_TRUE(testARMCPU("arm1022e", "armv5te", "none",
118                          ARM::AEK_DSP, "5TE"));
119   EXPECT_TRUE(testARMCPU("arm926ej-s", "armv5tej", "none",
120                          ARM::AEK_DSP, "5TEJ"));
121   EXPECT_TRUE(testARMCPU("arm1136j-s", "armv6", "none",
122                          ARM::AEK_DSP, "6"));
123   EXPECT_TRUE(testARMCPU("arm1136jf-s", "armv6", "vfpv2",
124                          ARM::AEK_DSP, "6"));
125   EXPECT_TRUE(testARMCPU("arm1136jz-s", "armv6", "none",
126                          ARM::AEK_DSP, "6"));
127   EXPECT_TRUE(testARMCPU("arm1176j-s", "armv6k", "none",
128                          ARM::AEK_DSP, "6K"));
129   EXPECT_TRUE(testARMCPU("arm1176jz-s", "armv6kz", "none",
130                          ARM::AEK_SEC | ARM::AEK_DSP, "6KZ"));
131   EXPECT_TRUE(testARMCPU("mpcore", "armv6k", "vfpv2",
132                          ARM::AEK_DSP, "6K"));
133   EXPECT_TRUE(testARMCPU("mpcorenovfp", "armv6k", "none",
134                          ARM::AEK_DSP, "6K"));
135   EXPECT_TRUE(testARMCPU("arm1176jzf-s", "armv6kz", "vfpv2",
136                          ARM::AEK_SEC | ARM::AEK_DSP, "6KZ"));
137   EXPECT_TRUE(testARMCPU("arm1156t2-s", "armv6t2", "none",
138                          ARM::AEK_DSP, "6T2"));
139   EXPECT_TRUE(testARMCPU("arm1156t2f-s", "armv6t2", "vfpv2",
140                          ARM::AEK_DSP, "6T2"));
141   EXPECT_TRUE(testARMCPU("cortex-m0", "armv6-m", "none",
142                          ARM::AEK_NONE, "6-M"));
143   EXPECT_TRUE(testARMCPU("cortex-m0plus", "armv6-m", "none",
144                          ARM::AEK_NONE, "6-M"));
145   EXPECT_TRUE(testARMCPU("cortex-m1", "armv6-m", "none",
146                          ARM::AEK_NONE, "6-M"));
147   EXPECT_TRUE(testARMCPU("sc000", "armv6-m", "none",
148                          ARM::AEK_NONE, "6-M"));
149   EXPECT_TRUE(testARMCPU("cortex-a5", "armv7-a", "neon-vfpv4",
150                          ARM::AEK_MP | ARM::AEK_SEC | ARM::AEK_DSP, "7-A"));
151   EXPECT_TRUE(testARMCPU("cortex-a7", "armv7-a", "neon-vfpv4",
152                          ARM::AEK_HWDIV | ARM::AEK_HWDIVARM | ARM::AEK_MP |
153                          ARM::AEK_SEC | ARM::AEK_VIRT | ARM::AEK_DSP,
154                          "7-A"));
155   EXPECT_TRUE(testARMCPU("cortex-a8", "armv7-a", "neon",
156                          ARM::AEK_SEC | ARM::AEK_DSP, "7-A"));
157   EXPECT_TRUE(testARMCPU("cortex-a9", "armv7-a", "neon-fp16",
158                          ARM::AEK_MP | ARM::AEK_SEC | ARM::AEK_DSP, "7-A"));
159   EXPECT_TRUE(testARMCPU("cortex-a12", "armv7-a", "neon-vfpv4",
160                          ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT |
161                          ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_DSP,
162                          "7-A"));
163   EXPECT_TRUE(testARMCPU("cortex-a15", "armv7-a", "neon-vfpv4",
164                          ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT |
165                          ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_DSP,
166                          "7-A"));
167   EXPECT_TRUE(testARMCPU("cortex-a17", "armv7-a", "neon-vfpv4",
168                          ARM::AEK_SEC | ARM::AEK_MP | ARM::AEK_VIRT |
169                          ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_DSP,
170                          "7-A"));
171   EXPECT_TRUE(testARMCPU("krait", "armv7-a", "neon-vfpv4",
172                          ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_DSP,
173                          "7-A"));
174   EXPECT_TRUE(testARMCPU("cortex-r4", "armv7-r", "none",
175                          ARM::AEK_HWDIV | ARM::AEK_DSP, "7-R"));
176   EXPECT_TRUE(testARMCPU("cortex-r4f", "armv7-r", "vfpv3-d16",
177                          ARM::AEK_HWDIV | ARM::AEK_DSP, "7-R"));
178   EXPECT_TRUE(testARMCPU("cortex-r5", "armv7-r", "vfpv3-d16",
179                          ARM::AEK_MP | ARM::AEK_HWDIVARM | ARM::AEK_HWDIV |
180                          ARM::AEK_DSP, "7-R"));
181   EXPECT_TRUE(testARMCPU("cortex-r7", "armv7-r", "vfpv3-d16-fp16",
182                          ARM::AEK_MP | ARM::AEK_HWDIVARM | ARM::AEK_HWDIV |
183                          ARM::AEK_DSP, "7-R"));
184   EXPECT_TRUE(testARMCPU("cortex-r8", "armv7-r", "vfpv3-d16-fp16",
185                          ARM::AEK_MP | ARM::AEK_HWDIVARM | ARM::AEK_HWDIV |
186                          ARM::AEK_DSP, "7-R"));
187   EXPECT_TRUE(testARMCPU("cortex-r52", "armv8-r", "neon-fp-armv8",
188                          ARM::AEK_CRC | ARM::AEK_MP | ARM::AEK_VIRT |
189                          ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_DSP,
190                          "8-R"));
191   EXPECT_TRUE(testARMCPU("sc300", "armv7-m", "none",
192                          ARM::AEK_HWDIV, "7-M"));
193   EXPECT_TRUE(testARMCPU("cortex-m3", "armv7-m", "none",
194                          ARM::AEK_HWDIV, "7-M"));
195   EXPECT_TRUE(testARMCPU("cortex-m4", "armv7e-m", "fpv4-sp-d16",
196                          ARM::AEK_HWDIV | ARM::AEK_DSP, "7E-M"));
197   EXPECT_TRUE(testARMCPU("cortex-m7", "armv7e-m", "fpv5-d16",
198                          ARM::AEK_HWDIV | ARM::AEK_DSP, "7E-M"));
199   EXPECT_TRUE(testARMCPU("cortex-a32", "armv8-a", "crypto-neon-fp-armv8",
200                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
201                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
202                          ARM::AEK_HWDIV | ARM::AEK_DSP,
203                          "8-A"));
204   EXPECT_TRUE(testARMCPU("cortex-a35", "armv8-a", "crypto-neon-fp-armv8",
205                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
206                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
207                          ARM::AEK_HWDIV | ARM::AEK_DSP,
208                          "8-A"));
209   EXPECT_TRUE(testARMCPU("cortex-a53", "armv8-a", "crypto-neon-fp-armv8",
210                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
211                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
212                          ARM::AEK_HWDIV | ARM::AEK_DSP,
213                          "8-A"));
214   EXPECT_TRUE(testARMCPU("cortex-a57", "armv8-a", "crypto-neon-fp-armv8",
215                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
216                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
217                          ARM::AEK_HWDIV | ARM::AEK_DSP,
218                          "8-A"));
219   EXPECT_TRUE(testARMCPU("cortex-a72", "armv8-a", "crypto-neon-fp-armv8",
220                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
221                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
222                          ARM::AEK_HWDIV | ARM::AEK_DSP,
223                          "8-A"));
224   EXPECT_TRUE(testARMCPU("cortex-a73", "armv8-a", "crypto-neon-fp-armv8",
225                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
226                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
227                          ARM::AEK_HWDIV | ARM::AEK_DSP,
228                          "8-A"));
229   EXPECT_TRUE(testARMCPU("cyclone", "armv8-a", "crypto-neon-fp-armv8",
230                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
231                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
232                          ARM::AEK_HWDIV | ARM::AEK_DSP,
233                          "8-A"));
234   EXPECT_TRUE(testARMCPU("exynos-m1", "armv8-a", "crypto-neon-fp-armv8",
235                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
236                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
237                          ARM::AEK_HWDIV | ARM::AEK_DSP,
238                          "8-A"));
239   EXPECT_TRUE(testARMCPU("exynos-m2", "armv8-a", "crypto-neon-fp-armv8",
240                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
241                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
242                          ARM::AEK_HWDIV | ARM::AEK_DSP,
243                          "8-A"));
244   EXPECT_TRUE(testARMCPU("exynos-m3", "armv8-a", "crypto-neon-fp-armv8",
245                          ARM::AEK_CRC | ARM::AEK_SEC | ARM::AEK_MP |
246                          ARM::AEK_VIRT | ARM::AEK_HWDIVARM |
247                          ARM::AEK_HWDIV | ARM::AEK_DSP,
248                          "8-A"));
249   EXPECT_TRUE(testARMCPU("cortex-m23", "armv8-m.base", "none",
250                          ARM::AEK_HWDIV, "8-M.Baseline"));
251   EXPECT_TRUE(testARMCPU("cortex-m33", "armv8-m.main", "fpv5-sp-d16",
252                          ARM::AEK_HWDIV | ARM::AEK_DSP, "8-M.Mainline"));
253   EXPECT_TRUE(testARMCPU("iwmmxt", "iwmmxt", "none",
254                          ARM::AEK_NONE, "iwmmxt"));
255   EXPECT_TRUE(testARMCPU("xscale", "xscale", "none",
256                          ARM::AEK_NONE, "xscale"));
257   EXPECT_TRUE(testARMCPU("swift", "armv7s", "neon-vfpv4",
258                          ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_DSP,
259                          "7-S"));
260 }
261 
262 bool testARMArch(StringRef Arch, StringRef DefaultCPU, StringRef SubArch,
263                  unsigned ArchAttr) {
264   unsigned ArchKind = ARM::parseArch(Arch);
265   return (ArchKind != ARM::AK_INVALID) &
266          ARM::getDefaultCPU(Arch).equals(DefaultCPU) &
267          ARM::getSubArch(ArchKind).equals(SubArch) &
268          (ARM::getArchAttr(ArchKind) == ArchAttr);
269 }
270 
271 TEST(TargetParserTest, testARMArch) {
272   EXPECT_TRUE(
273       testARMArch("armv2", "arm2", "v2",
274                           ARMBuildAttrs::CPUArch::Pre_v4));
275   EXPECT_TRUE(
276       testARMArch("armv2a", "arm3", "v2a",
277                           ARMBuildAttrs::CPUArch::Pre_v4));
278   EXPECT_TRUE(
279       testARMArch("armv3", "arm6", "v3",
280                           ARMBuildAttrs::CPUArch::Pre_v4));
281   EXPECT_TRUE(
282       testARMArch("armv3m", "arm7m", "v3m",
283                           ARMBuildAttrs::CPUArch::Pre_v4));
284   EXPECT_TRUE(
285       testARMArch("armv4", "strongarm", "v4",
286                           ARMBuildAttrs::CPUArch::v4));
287   EXPECT_TRUE(
288       testARMArch("armv4t", "arm7tdmi", "v4t",
289                           ARMBuildAttrs::CPUArch::v4T));
290   EXPECT_TRUE(
291       testARMArch("armv5t", "arm10tdmi", "v5",
292                           ARMBuildAttrs::CPUArch::v5T));
293   EXPECT_TRUE(
294       testARMArch("armv5te", "arm1022e", "v5e",
295                           ARMBuildAttrs::CPUArch::v5TE));
296   EXPECT_TRUE(
297       testARMArch("armv5tej", "arm926ej-s", "v5e",
298                           ARMBuildAttrs::CPUArch::v5TEJ));
299   EXPECT_TRUE(
300       testARMArch("armv6", "arm1136jf-s", "v6",
301                           ARMBuildAttrs::CPUArch::v6));
302   EXPECT_TRUE(
303       testARMArch("armv6k", "arm1176j-s", "v6k",
304                           ARMBuildAttrs::CPUArch::v6K));
305   EXPECT_TRUE(
306       testARMArch("armv6t2", "arm1156t2-s", "v6t2",
307                           ARMBuildAttrs::CPUArch::v6T2));
308   EXPECT_TRUE(
309       testARMArch("armv6kz", "arm1176jzf-s", "v6kz",
310                           ARMBuildAttrs::CPUArch::v6KZ));
311   EXPECT_TRUE(
312       testARMArch("armv6-m", "cortex-m0", "v6m",
313                           ARMBuildAttrs::CPUArch::v6_M));
314   EXPECT_TRUE(
315       testARMArch("armv7-a", "cortex-a8", "v7",
316                           ARMBuildAttrs::CPUArch::v7));
317   EXPECT_TRUE(
318       testARMArch("armv7-r", "cortex-r4", "v7r",
319                           ARMBuildAttrs::CPUArch::v7));
320   EXPECT_TRUE(
321       testARMArch("armv7-m", "cortex-m3", "v7m",
322                           ARMBuildAttrs::CPUArch::v7));
323   EXPECT_TRUE(
324       testARMArch("armv7e-m", "cortex-m4", "v7em",
325                           ARMBuildAttrs::CPUArch::v7E_M));
326   EXPECT_TRUE(
327       testARMArch("armv8-a", "cortex-a53", "v8",
328                           ARMBuildAttrs::CPUArch::v8_A));
329   EXPECT_TRUE(
330       testARMArch("armv8.1-a", "generic", "v8.1a",
331                           ARMBuildAttrs::CPUArch::v8_A));
332   EXPECT_TRUE(
333       testARMArch("armv8.2-a", "generic", "v8.2a",
334                           ARMBuildAttrs::CPUArch::v8_A));
335   EXPECT_TRUE(
336       testARMArch("armv8-r", "cortex-r52", "v8r",
337                           ARMBuildAttrs::CPUArch::v8_R));
338   EXPECT_TRUE(
339       testARMArch("armv8-m.base", "generic", "v8m.base",
340                           ARMBuildAttrs::CPUArch::v8_M_Base));
341   EXPECT_TRUE(
342       testARMArch("armv8-m.main", "generic", "v8m.main",
343                           ARMBuildAttrs::CPUArch::v8_M_Main));
344   EXPECT_TRUE(
345       testARMArch("iwmmxt", "iwmmxt", "",
346                           ARMBuildAttrs::CPUArch::v5TE));
347   EXPECT_TRUE(
348       testARMArch("iwmmxt2", "generic", "",
349                           ARMBuildAttrs::CPUArch::v5TE));
350   EXPECT_TRUE(
351       testARMArch("xscale", "xscale", "v5e",
352                           ARMBuildAttrs::CPUArch::v5TE));
353   EXPECT_TRUE(
354       testARMArch("armv7s", "swift", "v7s",
355                           ARMBuildAttrs::CPUArch::v7));
356   EXPECT_TRUE(
357       testARMArch("armv7k", "generic", "v7k",
358                           ARMBuildAttrs::CPUArch::v7));
359 }
360 
361 bool testARMExtension(StringRef CPUName, unsigned ArchKind, StringRef ArchExt) {
362   return ARM::getDefaultExtensions(CPUName, ArchKind) &
363          ARM::parseArchExt(ArchExt);
364 }
365 
366 TEST(TargetParserTest, testARMExtension) {
367   EXPECT_FALSE(testARMExtension("arm2", 0, "thumb"));
368   EXPECT_FALSE(testARMExtension("arm3", 0, "thumb"));
369   EXPECT_FALSE(testARMExtension("arm6", 0, "thumb"));
370   EXPECT_FALSE(testARMExtension("arm7m", 0, "thumb"));
371   EXPECT_FALSE(testARMExtension("strongarm", 0, "dsp"));
372   EXPECT_FALSE(testARMExtension("arm7tdmi", 0, "dsp"));
373   EXPECT_FALSE(testARMExtension("arm10tdmi", 0, "simd"));
374   EXPECT_FALSE(testARMExtension("arm1022e", 0, "simd"));
375   EXPECT_FALSE(testARMExtension("arm926ej-s", 0, "simd"));
376   EXPECT_FALSE(testARMExtension("arm1136jf-s", 0, "crypto"));
377   EXPECT_FALSE(testARMExtension("arm1176j-s", 0, "crypto"));
378   EXPECT_FALSE(testARMExtension("arm1156t2-s", 0, "crypto"));
379   EXPECT_FALSE(testARMExtension("arm1176jzf-s", 0, "crypto"));
380   EXPECT_FALSE(testARMExtension("cortex-m0", 0, "crypto"));
381   EXPECT_FALSE(testARMExtension("cortex-a8", 0, "crypto"));
382   EXPECT_FALSE(testARMExtension("cortex-r4", 0, "crypto"));
383   EXPECT_FALSE(testARMExtension("cortex-m3", 0, "crypto"));
384   EXPECT_FALSE(testARMExtension("cortex-a53", 0, "ras"));
385   EXPECT_FALSE(testARMExtension("cortex-r52", 0, "ras"));
386   EXPECT_FALSE(testARMExtension("iwmmxt", 0, "crc"));
387   EXPECT_FALSE(testARMExtension("xscale", 0, "crc"));
388   EXPECT_FALSE(testARMExtension("swift", 0, "crc"));
389 
390   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV2, "thumb"));
391   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV2A, "thumb"));
392   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV3, "thumb"));
393   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV3M, "thumb"));
394   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV4, "dsp"));
395   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV4T, "dsp"));
396   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV5T, "simd"));
397   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV5TE, "simd"));
398   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV5TEJ, "simd"));
399   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6, "crypto"));
400   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6K, "crypto"));
401   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6T2, "crypto"));
402   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6KZ, "crypto"));
403   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6M, "crypto"));
404   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7A, "crypto"));
405   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7R, "crypto"));
406   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7M, "crypto"));
407   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7EM, "crypto"));
408   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8A, "ras"));
409   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8_1A, "ras"));
410   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8_2A, "spe"));
411   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8R, "ras"));
412   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8MBaseline, "crc"));
413   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8MMainline, "crc"));
414   EXPECT_FALSE(testARMExtension("generic", ARM::AK_IWMMXT, "crc"));
415   EXPECT_FALSE(testARMExtension("generic", ARM::AK_IWMMXT2, "crc"));
416   EXPECT_FALSE(testARMExtension("generic", ARM::AK_XSCALE, "crc"));
417   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7S, "crypto"));
418   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7K, "crypto"));
419 }
420 
421 TEST(TargetParserTest, ARMFPUVersion) {
422   for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
423        FK <= ARM::FPUKind::FK_LAST;
424        FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
425     if (FK == ARM::FK_LAST)
426       EXPECT_EQ(0U, ARM::getFPUVersion(FK));
427     else
428       EXPECT_LE(0U, ARM::getFPUVersion(FK));
429 }
430 
431 TEST(TargetParserTest, ARMFPUNeonSupportLevel) {
432   for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
433        FK <= ARM::FPUKind::FK_LAST;
434        FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
435     if (FK == ARM::FK_LAST)
436       EXPECT_EQ(0U, ARM::getFPUNeonSupportLevel(FK));
437     else
438       EXPECT_LE(0U, ARM::getFPUNeonSupportLevel(FK));
439 }
440 
441 TEST(TargetParserTest, ARMFPURestriction) {
442   for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
443        FK <= ARM::FPUKind::FK_LAST;
444        FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
445     if (FK == ARM::FK_LAST)
446       EXPECT_EQ(0U, ARM::getFPURestriction(FK));
447     else
448       EXPECT_LE(0U, ARM::getFPURestriction(FK));
449 }
450 
451 TEST(TargetParserTest, ARMExtensionFeatures) {
452   std::vector<StringRef> Features;
453   unsigned Extensions = ARM::AEK_CRC | ARM::AEK_CRYPTO | ARM::AEK_DSP |
454                         ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_MP |
455                         ARM::AEK_SEC | ARM::AEK_VIRT | ARM::AEK_RAS;
456 
457   for (unsigned i = 0; i <= Extensions; i++)
458     EXPECT_TRUE(i == 0 ? !ARM::getExtensionFeatures(i, Features)
459                        : ARM::getExtensionFeatures(i, Features));
460 }
461 
462 TEST(TargetParserTest, ARMFPUFeatures) {
463   std::vector<StringRef> Features;
464   for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
465        FK <= ARM::FPUKind::FK_LAST;
466        FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
467     EXPECT_TRUE((FK == ARM::FK_INVALID || FK >= ARM::FK_LAST)
468                     ? !ARM::getFPUFeatures(FK, Features)
469                     : ARM::getFPUFeatures(FK, Features));
470 }
471 
472 TEST(TargetParserTest, ARMArchExtFeature) {
473   const char *ArchExt[][4] = {{"crc", "nocrc", "+crc", "-crc"},
474                               {"crypto", "nocrypto", "+crypto", "-crypto"},
475                               {"dsp", "nodsp", "+dsp", "-dsp"},
476                               {"fp", "nofp", nullptr, nullptr},
477                               {"idiv", "noidiv", nullptr, nullptr},
478                               {"mp", "nomp", nullptr, nullptr},
479                               {"simd", "nosimd", nullptr, nullptr},
480                               {"sec", "nosec", nullptr, nullptr},
481                               {"virt", "novirt", nullptr, nullptr},
482                               {"fp16", "nofp16", "+fullfp16", "-fullfp16"},
483                               {"ras", "noras", "+ras", "-ras"},
484                               {"os", "noos", nullptr, nullptr},
485                               {"iwmmxt", "noiwmmxt", nullptr, nullptr},
486                               {"iwmmxt2", "noiwmmxt2", nullptr, nullptr},
487                               {"maverick", "maverick", nullptr, nullptr},
488                               {"xscale", "noxscale", nullptr, nullptr}};
489 
490   for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
491     EXPECT_EQ(StringRef(ArchExt[i][2]), ARM::getArchExtFeature(ArchExt[i][0]));
492     EXPECT_EQ(StringRef(ArchExt[i][3]), ARM::getArchExtFeature(ArchExt[i][1]));
493   }
494 }
495 
496 TEST(TargetParserTest, ARMparseHWDiv) {
497   const char *hwdiv[] = {"thumb", "arm", "arm,thumb", "thumb,arm"};
498 
499   for (unsigned i = 0; i < array_lengthof(hwdiv); i++)
500     EXPECT_NE(ARM::AEK_INVALID, ARM::parseHWDiv((StringRef)hwdiv[i]));
501 }
502 
503 TEST(TargetParserTest, ARMparseArchEndianAndISA) {
504   const char *Arch[] = {
505       "v2",    "v2a",    "v3",    "v3m",  "v4",   "v4t",  "v5",    "v5t",
506       "v5e",   "v5te",   "v5tej", "v6",   "v6j",  "v6k",  "v6hl",  "v6t2",
507       "v6kz",  "v6z",    "v6zk",  "v6-m", "v6m",  "v6sm", "v6s-m", "v7-a",
508       "v7",    "v7a",    "v7hl",  "v7l",  "v7-r", "v7r",  "v7-m",  "v7m",
509       "v7k",   "v7s",    "v7e-m", "v7em", "v8-a", "v8",   "v8a",   "v8.1-a",
510       "v8.1a", "v8.2-a", "v8.2a", "v8-r"};
511 
512   for (unsigned i = 0; i < array_lengthof(Arch); i++) {
513     std::string arm_1 = "armeb" + (std::string)(Arch[i]);
514     std::string arm_2 = "arm" + (std::string)(Arch[i]) + "eb";
515     std::string arm_3 = "arm" + (std::string)(Arch[i]);
516     std::string thumb_1 = "thumbeb" + (std::string)(Arch[i]);
517     std::string thumb_2 = "thumb" + (std::string)(Arch[i]) + "eb";
518     std::string thumb_3 = "thumb" + (std::string)(Arch[i]);
519 
520     EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian(arm_1));
521     EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian(arm_2));
522     EXPECT_EQ(ARM::EK_LITTLE, ARM::parseArchEndian(arm_3));
523 
524     EXPECT_EQ(ARM::IK_ARM, ARM::parseArchISA(arm_1));
525     EXPECT_EQ(ARM::IK_ARM, ARM::parseArchISA(arm_2));
526     EXPECT_EQ(ARM::IK_ARM, ARM::parseArchISA(arm_3));
527     if (i >= 4) {
528       EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian(thumb_1));
529       EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian(thumb_2));
530       EXPECT_EQ(ARM::EK_LITTLE, ARM::parseArchEndian(thumb_3));
531 
532       EXPECT_EQ(ARM::IK_THUMB, ARM::parseArchISA(thumb_1));
533       EXPECT_EQ(ARM::IK_THUMB, ARM::parseArchISA(thumb_2));
534       EXPECT_EQ(ARM::IK_THUMB, ARM::parseArchISA(thumb_3));
535     }
536   }
537 
538   EXPECT_EQ(ARM::EK_LITTLE, ARM::parseArchEndian("aarch64"));
539   EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian("aarch64_be"));
540 
541   EXPECT_EQ(ARM::IK_AARCH64, ARM::parseArchISA("aarch64"));
542   EXPECT_EQ(ARM::IK_AARCH64, ARM::parseArchISA("aarch64_be"));
543   EXPECT_EQ(ARM::IK_AARCH64, ARM::parseArchISA("arm64"));
544   EXPECT_EQ(ARM::IK_AARCH64, ARM::parseArchISA("arm64_be"));
545 }
546 
547 TEST(TargetParserTest, ARMparseArchProfile) {
548   for (unsigned i = 0; i < array_lengthof(ARMArch); i++) {
549     switch (ARM::parseArch(ARMArch[i])) {
550     case ARM::AK_ARMV6M:
551     case ARM::AK_ARMV7M:
552     case ARM::AK_ARMV7EM:
553     case ARM::AK_ARMV8MMainline:
554     case ARM::AK_ARMV8MBaseline:
555       EXPECT_EQ(ARM::PK_M, ARM::parseArchProfile(ARMArch[i]));
556       continue;
557     case ARM::AK_ARMV7R:
558     case ARM::AK_ARMV8R:
559       EXPECT_EQ(ARM::PK_R, ARM::parseArchProfile(ARMArch[i]));
560       continue;
561     case ARM::AK_ARMV7A:
562     case ARM::AK_ARMV7K:
563     case ARM::AK_ARMV8A:
564     case ARM::AK_ARMV8_1A:
565     case ARM::AK_ARMV8_2A:
566       EXPECT_EQ(ARM::PK_A, ARM::parseArchProfile(ARMArch[i]));
567       continue;
568     }
569     EXPECT_EQ(ARM::PK_INVALID, ARM::parseArchProfile(ARMArch[i]));
570   }
571 }
572 
573 TEST(TargetParserTest, ARMparseArchVersion) {
574   for (unsigned i = 0; i < array_lengthof(ARMArch); i++)
575     if (((std::string)ARMArch[i]).substr(0, 4) == "armv")
576       EXPECT_EQ((ARMArch[i][4] - 48u), ARM::parseArchVersion(ARMArch[i]));
577     else
578       EXPECT_EQ(5u, ARM::parseArchVersion(ARMArch[i]));
579 }
580 
581 bool testAArch64CPU(StringRef CPUName, StringRef ExpectedArch,
582                     StringRef ExpectedFPU, unsigned ExpectedFlags,
583                     StringRef CPUAttr) {
584   unsigned ArchKind = AArch64::parseCPUArch(CPUName);
585   bool pass = AArch64::getArchName(ArchKind).equals(ExpectedArch);
586   unsigned FPUKind = AArch64::getDefaultFPU(CPUName, ArchKind);
587   pass &= AArch64::getFPUName(FPUKind).equals(ExpectedFPU);
588 
589   unsigned ExtKind = AArch64::getDefaultExtensions(CPUName, ArchKind);
590   if (ExtKind > 1 && (ExtKind & AArch64::AEK_NONE))
591     pass &= ((ExtKind ^ AArch64::AEK_NONE) == ExpectedFlags);
592   else
593     pass &= (ExtKind == ExpectedFlags);
594 
595   pass &= AArch64::getCPUAttr(ArchKind).equals(CPUAttr);
596 
597   return pass;
598 }
599 
600 TEST(TargetParserTest, testAArch64CPU) {
601   EXPECT_TRUE(testAArch64CPU(
602       "invalid", "invalid", "invalid",
603       AArch64::AEK_INVALID, ""));
604   EXPECT_TRUE(testAArch64CPU(
605       "generic", "invalid", "none",
606       AArch64::AEK_NONE, ""));
607 
608   EXPECT_TRUE(testAArch64CPU(
609       "cortex-a35", "armv8-a", "crypto-neon-fp-armv8",
610       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
611   EXPECT_TRUE(testAArch64CPU(
612       "cortex-a53", "armv8-a", "crypto-neon-fp-armv8",
613       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
614   EXPECT_TRUE(testAArch64CPU(
615       "cortex-a57", "armv8-a", "crypto-neon-fp-armv8",
616       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
617   EXPECT_TRUE(testAArch64CPU(
618       "cortex-a72", "armv8-a", "crypto-neon-fp-armv8",
619       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
620   EXPECT_TRUE(testAArch64CPU(
621       "cortex-a73", "armv8-a", "crypto-neon-fp-armv8",
622       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
623   EXPECT_TRUE(testAArch64CPU(
624       "cyclone", "armv8-a", "crypto-neon-fp-armv8",
625       AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
626   EXPECT_TRUE(testAArch64CPU(
627       "exynos-m1", "armv8-a", "crypto-neon-fp-armv8",
628       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
629   EXPECT_TRUE(testAArch64CPU(
630       "exynos-m2", "armv8-a", "crypto-neon-fp-armv8",
631       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
632   EXPECT_TRUE(testAArch64CPU(
633       "exynos-m3", "armv8-a", "crypto-neon-fp-armv8",
634       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
635   EXPECT_TRUE(testAArch64CPU(
636       "falkor", "armv8-a", "crypto-neon-fp-armv8",
637       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
638   EXPECT_TRUE(testAArch64CPU(
639       "kryo", "armv8-a", "crypto-neon-fp-armv8",
640       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
641   EXPECT_TRUE(testAArch64CPU(
642       "vulcan", "armv8.1-a", "crypto-neon-fp-armv8",
643       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8.1-A"));
644 }
645 
646 bool testAArch64Arch(StringRef Arch, StringRef DefaultCPU, StringRef SubArch,
647                      unsigned ArchAttr) {
648   unsigned ArchKind = AArch64::parseArch(Arch);
649   return (ArchKind != static_cast<unsigned>(AArch64::ArchKind::AK_INVALID)) &
650          AArch64::getDefaultCPU(Arch).equals(DefaultCPU) &
651          AArch64::getSubArch(ArchKind).equals(SubArch) &
652          (AArch64::getArchAttr(ArchKind) == ArchAttr);
653 }
654 
655 TEST(TargetParserTest, testAArch64Arch) {
656   EXPECT_TRUE(testAArch64Arch("armv8-a", "cortex-a53", "v8",
657                               ARMBuildAttrs::CPUArch::v8_A));
658   EXPECT_TRUE(testAArch64Arch("armv8.1-a", "generic", "v8.1a",
659                               ARMBuildAttrs::CPUArch::v8_A));
660   EXPECT_TRUE(testAArch64Arch("armv8.2-a", "generic", "v8.2a",
661                               ARMBuildAttrs::CPUArch::v8_A));
662 }
663 
664 bool testAArch64Extension(StringRef CPUName, unsigned ArchKind,
665                           StringRef ArchExt) {
666   return AArch64::getDefaultExtensions(CPUName, ArchKind) &
667          AArch64::parseArchExt(ArchExt);
668 }
669 
670 TEST(TargetParserTest, testAArch64Extension) {
671   EXPECT_FALSE(testAArch64Extension("cortex-a35", 0, "ras"));
672   EXPECT_FALSE(testAArch64Extension("cortex-a53", 0, "ras"));
673   EXPECT_FALSE(testAArch64Extension("cortex-a57", 0, "ras"));
674   EXPECT_FALSE(testAArch64Extension("cortex-a72", 0, "ras"));
675   EXPECT_FALSE(testAArch64Extension("cortex-a73", 0, "ras"));
676   EXPECT_FALSE(testAArch64Extension("cyclone", 0, "ras"));
677   EXPECT_FALSE(testAArch64Extension("exynos-m1", 0, "ras"));
678   EXPECT_FALSE(testAArch64Extension("kryo", 0, "ras"));
679   EXPECT_FALSE(testAArch64Extension("vulcan", 0, "ras"));
680 
681   EXPECT_FALSE(testAArch64Extension(
682       "generic", static_cast<unsigned>(AArch64::ArchKind::AK_ARMV8A), "ras"));
683   EXPECT_FALSE(testAArch64Extension(
684       "generic", static_cast<unsigned>(AArch64::ArchKind::AK_ARMV8_1A), "ras"));
685   EXPECT_FALSE(testAArch64Extension(
686       "generic", static_cast<unsigned>(AArch64::ArchKind::AK_ARMV8_2A), "spe"));
687 }
688 
689 TEST(TargetParserTest, AArch64ExtensionFeatures) {
690   std::vector<StringRef> Features;
691   unsigned Extensions = AArch64::AEK_CRC | AArch64::AEK_CRYPTO |
692                         AArch64::AEK_FP | AArch64::AEK_SIMD |
693                         AArch64::AEK_FP16 | AArch64::AEK_PROFILE |
694                         AArch64::AEK_RAS;
695 
696   for (unsigned i = 0; i <= Extensions; i++)
697     EXPECT_TRUE(i == 0 ? !AArch64::getExtensionFeatures(i, Features)
698                        : AArch64::getExtensionFeatures(i, Features));
699 }
700 
701 TEST(TargetParserTest, AArch64ArchFeatures) {
702   std::vector<StringRef> Features;
703 
704   for (unsigned AK = 0; AK < static_cast<unsigned>(AArch64::ArchKind::AK_LAST);
705        AK++)
706     EXPECT_TRUE((AK == static_cast<unsigned>(AArch64::ArchKind::AK_INVALID) ||
707                  AK == static_cast<unsigned>(AArch64::ArchKind::AK_LAST))
708                     ? !AArch64::getArchFeatures(AK, Features)
709                     : AArch64::getArchFeatures(AK, Features));
710 }
711 
712 TEST(TargetParserTest, AArch64ArchExtFeature) {
713   const char *ArchExt[][4] = {{"crc", "nocrc", "+crc", "-crc"},
714                               {"crypto", "nocrypto", "+crypto", "-crypto"},
715                               {"fp", "nofp", "+fp-armv8", "-fp-armv8"},
716                               {"simd", "nosimd", "+neon", "-neon"},
717                               {"fp16", "nofp16", "+fullfp16", "-fullfp16"},
718                               {"profile", "noprofile", "+spe", "-spe"},
719                               {"ras", "noras", "+ras", "-ras"}};
720 
721   for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
722     EXPECT_EQ(StringRef(ArchExt[i][2]),
723               AArch64::getArchExtFeature(ArchExt[i][0]));
724     EXPECT_EQ(StringRef(ArchExt[i][3]),
725               AArch64::getArchExtFeature(ArchExt[i][1]));
726   }
727 }
728 }
729