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("iwmmxt", "iwmmxt", "none",
250                          ARM::AEK_NONE, "iwmmxt"));
251   EXPECT_TRUE(testARMCPU("xscale", "xscale", "none",
252                          ARM::AEK_NONE, "xscale"));
253   EXPECT_TRUE(testARMCPU("swift", "armv7s", "neon-vfpv4",
254                          ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_DSP,
255                          "7-S"));
256 }
257 
258 bool testARMArch(StringRef Arch, StringRef DefaultCPU, StringRef SubArch,
259                  unsigned ArchAttr) {
260   unsigned ArchKind = ARM::parseArch(Arch);
261   return (ArchKind != ARM::AK_INVALID) &
262          ARM::getDefaultCPU(Arch).equals(DefaultCPU) &
263          ARM::getSubArch(ArchKind).equals(SubArch) &
264          (ARM::getArchAttr(ArchKind) == ArchAttr);
265 }
266 
267 TEST(TargetParserTest, testARMArch) {
268   EXPECT_TRUE(
269       testARMArch("armv2", "arm2", "v2",
270                           ARMBuildAttrs::CPUArch::Pre_v4));
271   EXPECT_TRUE(
272       testARMArch("armv2a", "arm3", "v2a",
273                           ARMBuildAttrs::CPUArch::Pre_v4));
274   EXPECT_TRUE(
275       testARMArch("armv3", "arm6", "v3",
276                           ARMBuildAttrs::CPUArch::Pre_v4));
277   EXPECT_TRUE(
278       testARMArch("armv3m", "arm7m", "v3m",
279                           ARMBuildAttrs::CPUArch::Pre_v4));
280   EXPECT_TRUE(
281       testARMArch("armv4", "strongarm", "v4",
282                           ARMBuildAttrs::CPUArch::v4));
283   EXPECT_TRUE(
284       testARMArch("armv4t", "arm7tdmi", "v4t",
285                           ARMBuildAttrs::CPUArch::v4T));
286   EXPECT_TRUE(
287       testARMArch("armv5t", "arm10tdmi", "v5",
288                           ARMBuildAttrs::CPUArch::v5T));
289   EXPECT_TRUE(
290       testARMArch("armv5te", "arm1022e", "v5e",
291                           ARMBuildAttrs::CPUArch::v5TE));
292   EXPECT_TRUE(
293       testARMArch("armv5tej", "arm926ej-s", "v5e",
294                           ARMBuildAttrs::CPUArch::v5TEJ));
295   EXPECT_TRUE(
296       testARMArch("armv6", "arm1136jf-s", "v6",
297                           ARMBuildAttrs::CPUArch::v6));
298   EXPECT_TRUE(
299       testARMArch("armv6k", "arm1176j-s", "v6k",
300                           ARMBuildAttrs::CPUArch::v6K));
301   EXPECT_TRUE(
302       testARMArch("armv6t2", "arm1156t2-s", "v6t2",
303                           ARMBuildAttrs::CPUArch::v6T2));
304   EXPECT_TRUE(
305       testARMArch("armv6kz", "arm1176jzf-s", "v6kz",
306                           ARMBuildAttrs::CPUArch::v6KZ));
307   EXPECT_TRUE(
308       testARMArch("armv6-m", "cortex-m0", "v6m",
309                           ARMBuildAttrs::CPUArch::v6_M));
310   EXPECT_TRUE(
311       testARMArch("armv7-a", "cortex-a8", "v7",
312                           ARMBuildAttrs::CPUArch::v7));
313   EXPECT_TRUE(
314       testARMArch("armv7-r", "cortex-r4", "v7r",
315                           ARMBuildAttrs::CPUArch::v7));
316   EXPECT_TRUE(
317       testARMArch("armv7-m", "cortex-m3", "v7m",
318                           ARMBuildAttrs::CPUArch::v7));
319   EXPECT_TRUE(
320       testARMArch("armv7e-m", "cortex-m4", "v7em",
321                           ARMBuildAttrs::CPUArch::v7E_M));
322   EXPECT_TRUE(
323       testARMArch("armv8-a", "cortex-a53", "v8",
324                           ARMBuildAttrs::CPUArch::v8_A));
325   EXPECT_TRUE(
326       testARMArch("armv8.1-a", "generic", "v8.1a",
327                           ARMBuildAttrs::CPUArch::v8_A));
328   EXPECT_TRUE(
329       testARMArch("armv8.2-a", "generic", "v8.2a",
330                           ARMBuildAttrs::CPUArch::v8_A));
331   EXPECT_TRUE(
332       testARMArch("armv8-r", "cortex-r52", "v8r",
333                           ARMBuildAttrs::CPUArch::v8_R));
334   EXPECT_TRUE(
335       testARMArch("armv8-m.base", "generic", "v8m.base",
336                           ARMBuildAttrs::CPUArch::v8_M_Base));
337   EXPECT_TRUE(
338       testARMArch("armv8-m.main", "generic", "v8m.main",
339                           ARMBuildAttrs::CPUArch::v8_M_Main));
340   EXPECT_TRUE(
341       testARMArch("iwmmxt", "iwmmxt", "",
342                           ARMBuildAttrs::CPUArch::v5TE));
343   EXPECT_TRUE(
344       testARMArch("iwmmxt2", "generic", "",
345                           ARMBuildAttrs::CPUArch::v5TE));
346   EXPECT_TRUE(
347       testARMArch("xscale", "xscale", "v5e",
348                           ARMBuildAttrs::CPUArch::v5TE));
349   EXPECT_TRUE(
350       testARMArch("armv7s", "swift", "v7s",
351                           ARMBuildAttrs::CPUArch::v7));
352   EXPECT_TRUE(
353       testARMArch("armv7k", "generic", "v7k",
354                           ARMBuildAttrs::CPUArch::v7));
355 }
356 
357 bool testARMExtension(StringRef CPUName, unsigned ArchKind, StringRef ArchExt) {
358   return ARM::getDefaultExtensions(CPUName, ArchKind) &
359          ARM::parseArchExt(ArchExt);
360 }
361 
362 TEST(TargetParserTest, testARMExtension) {
363   EXPECT_FALSE(testARMExtension("arm2", 0, "thumb"));
364   EXPECT_FALSE(testARMExtension("arm3", 0, "thumb"));
365   EXPECT_FALSE(testARMExtension("arm6", 0, "thumb"));
366   EXPECT_FALSE(testARMExtension("arm7m", 0, "thumb"));
367   EXPECT_FALSE(testARMExtension("strongarm", 0, "dsp"));
368   EXPECT_FALSE(testARMExtension("arm7tdmi", 0, "dsp"));
369   EXPECT_FALSE(testARMExtension("arm10tdmi", 0, "simd"));
370   EXPECT_FALSE(testARMExtension("arm1022e", 0, "simd"));
371   EXPECT_FALSE(testARMExtension("arm926ej-s", 0, "simd"));
372   EXPECT_FALSE(testARMExtension("arm1136jf-s", 0, "crypto"));
373   EXPECT_FALSE(testARMExtension("arm1176j-s", 0, "crypto"));
374   EXPECT_FALSE(testARMExtension("arm1156t2-s", 0, "crypto"));
375   EXPECT_FALSE(testARMExtension("arm1176jzf-s", 0, "crypto"));
376   EXPECT_FALSE(testARMExtension("cortex-m0", 0, "crypto"));
377   EXPECT_FALSE(testARMExtension("cortex-a8", 0, "crypto"));
378   EXPECT_FALSE(testARMExtension("cortex-r4", 0, "crypto"));
379   EXPECT_FALSE(testARMExtension("cortex-m3", 0, "crypto"));
380   EXPECT_FALSE(testARMExtension("cortex-a53", 0, "ras"));
381   EXPECT_FALSE(testARMExtension("cortex-r52", 0, "ras"));
382   EXPECT_FALSE(testARMExtension("iwmmxt", 0, "crc"));
383   EXPECT_FALSE(testARMExtension("xscale", 0, "crc"));
384   EXPECT_FALSE(testARMExtension("swift", 0, "crc"));
385 
386   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV2, "thumb"));
387   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV2A, "thumb"));
388   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV3, "thumb"));
389   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV3M, "thumb"));
390   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV4, "dsp"));
391   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV4T, "dsp"));
392   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV5T, "simd"));
393   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV5TE, "simd"));
394   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV5TEJ, "simd"));
395   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6, "crypto"));
396   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6K, "crypto"));
397   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6T2, "crypto"));
398   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6KZ, "crypto"));
399   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV6M, "crypto"));
400   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7A, "crypto"));
401   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7R, "crypto"));
402   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7M, "crypto"));
403   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7EM, "crypto"));
404   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8A, "ras"));
405   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8_1A, "ras"));
406   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8_2A, "spe"));
407   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8R, "ras"));
408   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8MBaseline, "crc"));
409   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV8MMainline, "crc"));
410   EXPECT_FALSE(testARMExtension("generic", ARM::AK_IWMMXT, "crc"));
411   EXPECT_FALSE(testARMExtension("generic", ARM::AK_IWMMXT2, "crc"));
412   EXPECT_FALSE(testARMExtension("generic", ARM::AK_XSCALE, "crc"));
413   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7S, "crypto"));
414   EXPECT_FALSE(testARMExtension("generic", ARM::AK_ARMV7K, "crypto"));
415 }
416 
417 TEST(TargetParserTest, ARMFPUVersion) {
418   for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
419        FK <= ARM::FPUKind::FK_LAST;
420        FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
421     if (FK == ARM::FK_LAST)
422       EXPECT_EQ(0U, ARM::getFPUVersion(FK));
423     else
424       EXPECT_LE(0U, ARM::getFPUVersion(FK));
425 }
426 
427 TEST(TargetParserTest, ARMFPUNeonSupportLevel) {
428   for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
429        FK <= ARM::FPUKind::FK_LAST;
430        FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
431     if (FK == ARM::FK_LAST)
432       EXPECT_EQ(0U, ARM::getFPUNeonSupportLevel(FK));
433     else
434       EXPECT_LE(0U, ARM::getFPUNeonSupportLevel(FK));
435 }
436 
437 TEST(TargetParserTest, ARMFPURestriction) {
438   for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
439        FK <= ARM::FPUKind::FK_LAST;
440        FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
441     if (FK == ARM::FK_LAST)
442       EXPECT_EQ(0U, ARM::getFPURestriction(FK));
443     else
444       EXPECT_LE(0U, ARM::getFPURestriction(FK));
445 }
446 
447 TEST(TargetParserTest, ARMExtensionFeatures) {
448   std::vector<StringRef> Features;
449   unsigned Extensions = ARM::AEK_CRC | ARM::AEK_CRYPTO | ARM::AEK_DSP |
450                         ARM::AEK_HWDIVARM | ARM::AEK_HWDIV | ARM::AEK_MP |
451                         ARM::AEK_SEC | ARM::AEK_VIRT | ARM::AEK_RAS;
452 
453   for (unsigned i = 0; i <= Extensions; i++)
454     EXPECT_TRUE(i == 0 ? !ARM::getExtensionFeatures(i, Features)
455                        : ARM::getExtensionFeatures(i, Features));
456 }
457 
458 TEST(TargetParserTest, ARMFPUFeatures) {
459   std::vector<StringRef> Features;
460   for (ARM::FPUKind FK = static_cast<ARM::FPUKind>(0);
461        FK <= ARM::FPUKind::FK_LAST;
462        FK = static_cast<ARM::FPUKind>(static_cast<unsigned>(FK) + 1))
463     EXPECT_TRUE((FK == ARM::FK_INVALID || FK >= ARM::FK_LAST)
464                     ? !ARM::getFPUFeatures(FK, Features)
465                     : ARM::getFPUFeatures(FK, Features));
466 }
467 
468 TEST(TargetParserTest, ARMArchExtFeature) {
469   const char *ArchExt[][4] = {{"crc", "nocrc", "+crc", "-crc"},
470                               {"crypto", "nocrypto", "+crypto", "-crypto"},
471                               {"dsp", "nodsp", "+dsp", "-dsp"},
472                               {"fp", "nofp", nullptr, nullptr},
473                               {"idiv", "noidiv", nullptr, nullptr},
474                               {"mp", "nomp", nullptr, nullptr},
475                               {"simd", "nosimd", nullptr, nullptr},
476                               {"sec", "nosec", nullptr, nullptr},
477                               {"virt", "novirt", nullptr, nullptr},
478                               {"fp16", "nofp16", "+fullfp16", "-fullfp16"},
479                               {"ras", "noras", "+ras", "-ras"},
480                               {"os", "noos", nullptr, nullptr},
481                               {"iwmmxt", "noiwmmxt", nullptr, nullptr},
482                               {"iwmmxt2", "noiwmmxt2", nullptr, nullptr},
483                               {"maverick", "maverick", nullptr, nullptr},
484                               {"xscale", "noxscale", nullptr, nullptr}};
485 
486   for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
487     EXPECT_EQ(StringRef(ArchExt[i][2]), ARM::getArchExtFeature(ArchExt[i][0]));
488     EXPECT_EQ(StringRef(ArchExt[i][3]), ARM::getArchExtFeature(ArchExt[i][1]));
489   }
490 }
491 
492 TEST(TargetParserTest, ARMparseHWDiv) {
493   const char *hwdiv[] = {"thumb", "arm", "arm,thumb", "thumb,arm"};
494 
495   for (unsigned i = 0; i < array_lengthof(hwdiv); i++)
496     EXPECT_NE(ARM::AEK_INVALID, ARM::parseHWDiv((StringRef)hwdiv[i]));
497 }
498 
499 TEST(TargetParserTest, ARMparseArchEndianAndISA) {
500   const char *Arch[] = {
501       "v2",    "v2a",    "v3",    "v3m",  "v4",   "v4t",  "v5",    "v5t",
502       "v5e",   "v5te",   "v5tej", "v6",   "v6j",  "v6k",  "v6hl",  "v6t2",
503       "v6kz",  "v6z",    "v6zk",  "v6-m", "v6m",  "v6sm", "v6s-m", "v7-a",
504       "v7",    "v7a",    "v7hl",  "v7l",  "v7-r", "v7r",  "v7-m",  "v7m",
505       "v7k",   "v7s",    "v7e-m", "v7em", "v8-a", "v8",   "v8a",   "v8.1-a",
506       "v8.1a", "v8.2-a", "v8.2a", "v8-r"};
507 
508   for (unsigned i = 0; i < array_lengthof(Arch); i++) {
509     std::string arm_1 = "armeb" + (std::string)(Arch[i]);
510     std::string arm_2 = "arm" + (std::string)(Arch[i]) + "eb";
511     std::string arm_3 = "arm" + (std::string)(Arch[i]);
512     std::string thumb_1 = "thumbeb" + (std::string)(Arch[i]);
513     std::string thumb_2 = "thumb" + (std::string)(Arch[i]) + "eb";
514     std::string thumb_3 = "thumb" + (std::string)(Arch[i]);
515 
516     EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian(arm_1));
517     EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian(arm_2));
518     EXPECT_EQ(ARM::EK_LITTLE, ARM::parseArchEndian(arm_3));
519 
520     EXPECT_EQ(ARM::IK_ARM, ARM::parseArchISA(arm_1));
521     EXPECT_EQ(ARM::IK_ARM, ARM::parseArchISA(arm_2));
522     EXPECT_EQ(ARM::IK_ARM, ARM::parseArchISA(arm_3));
523     if (i >= 4) {
524       EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian(thumb_1));
525       EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian(thumb_2));
526       EXPECT_EQ(ARM::EK_LITTLE, ARM::parseArchEndian(thumb_3));
527 
528       EXPECT_EQ(ARM::IK_THUMB, ARM::parseArchISA(thumb_1));
529       EXPECT_EQ(ARM::IK_THUMB, ARM::parseArchISA(thumb_2));
530       EXPECT_EQ(ARM::IK_THUMB, ARM::parseArchISA(thumb_3));
531     }
532   }
533 
534   EXPECT_EQ(ARM::EK_LITTLE, ARM::parseArchEndian("aarch64"));
535   EXPECT_EQ(ARM::EK_BIG, ARM::parseArchEndian("aarch64_be"));
536 
537   EXPECT_EQ(ARM::IK_AARCH64, ARM::parseArchISA("aarch64"));
538   EXPECT_EQ(ARM::IK_AARCH64, ARM::parseArchISA("aarch64_be"));
539   EXPECT_EQ(ARM::IK_AARCH64, ARM::parseArchISA("arm64"));
540   EXPECT_EQ(ARM::IK_AARCH64, ARM::parseArchISA("arm64_be"));
541 }
542 
543 TEST(TargetParserTest, ARMparseArchProfile) {
544   for (unsigned i = 0; i < array_lengthof(ARMArch); i++) {
545     switch (ARM::parseArch(ARMArch[i])) {
546     case ARM::AK_ARMV6M:
547     case ARM::AK_ARMV7M:
548     case ARM::AK_ARMV7EM:
549     case ARM::AK_ARMV8MMainline:
550     case ARM::AK_ARMV8MBaseline:
551       EXPECT_EQ(ARM::PK_M, ARM::parseArchProfile(ARMArch[i]));
552       continue;
553     case ARM::AK_ARMV7R:
554     case ARM::AK_ARMV8R:
555       EXPECT_EQ(ARM::PK_R, ARM::parseArchProfile(ARMArch[i]));
556       continue;
557     case ARM::AK_ARMV7A:
558     case ARM::AK_ARMV7K:
559     case ARM::AK_ARMV8A:
560     case ARM::AK_ARMV8_1A:
561     case ARM::AK_ARMV8_2A:
562       EXPECT_EQ(ARM::PK_A, ARM::parseArchProfile(ARMArch[i]));
563       continue;
564     }
565     EXPECT_EQ(ARM::PK_INVALID, ARM::parseArchProfile(ARMArch[i]));
566   }
567 }
568 
569 TEST(TargetParserTest, ARMparseArchVersion) {
570   for (unsigned i = 0; i < array_lengthof(ARMArch); i++)
571     if (((std::string)ARMArch[i]).substr(0, 4) == "armv")
572       EXPECT_EQ((ARMArch[i][4] - 48u), ARM::parseArchVersion(ARMArch[i]));
573     else
574       EXPECT_EQ(5u, ARM::parseArchVersion(ARMArch[i]));
575 }
576 
577 bool testAArch64CPU(StringRef CPUName, StringRef ExpectedArch,
578                     StringRef ExpectedFPU, unsigned ExpectedFlags,
579                     StringRef CPUAttr) {
580   unsigned ArchKind = AArch64::parseCPUArch(CPUName);
581   bool pass = AArch64::getArchName(ArchKind).equals(ExpectedArch);
582   unsigned FPUKind = AArch64::getDefaultFPU(CPUName, ArchKind);
583   pass &= AArch64::getFPUName(FPUKind).equals(ExpectedFPU);
584 
585   unsigned ExtKind = AArch64::getDefaultExtensions(CPUName, ArchKind);
586   if (ExtKind > 1 && (ExtKind & AArch64::AEK_NONE))
587     pass &= ((ExtKind ^ AArch64::AEK_NONE) == ExpectedFlags);
588   else
589     pass &= (ExtKind == ExpectedFlags);
590 
591   pass &= AArch64::getCPUAttr(ArchKind).equals(CPUAttr);
592 
593   return pass;
594 }
595 
596 TEST(TargetParserTest, testAArch64CPU) {
597   EXPECT_TRUE(testAArch64CPU(
598       "invalid", "invalid", "invalid",
599       AArch64::AEK_INVALID, ""));
600   EXPECT_TRUE(testAArch64CPU(
601       "generic", "invalid", "none",
602       AArch64::AEK_NONE, ""));
603 
604   EXPECT_TRUE(testAArch64CPU(
605       "cortex-a35", "armv8-a", "crypto-neon-fp-armv8",
606       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
607   EXPECT_TRUE(testAArch64CPU(
608       "cortex-a53", "armv8-a", "crypto-neon-fp-armv8",
609       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
610   EXPECT_TRUE(testAArch64CPU(
611       "cortex-a57", "armv8-a", "crypto-neon-fp-armv8",
612       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
613   EXPECT_TRUE(testAArch64CPU(
614       "cortex-a72", "armv8-a", "crypto-neon-fp-armv8",
615       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
616   EXPECT_TRUE(testAArch64CPU(
617       "cortex-a73", "armv8-a", "crypto-neon-fp-armv8",
618       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
619   EXPECT_TRUE(testAArch64CPU(
620       "cyclone", "armv8-a", "crypto-neon-fp-armv8",
621       AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
622   EXPECT_TRUE(testAArch64CPU(
623       "exynos-m1", "armv8-a", "crypto-neon-fp-armv8",
624       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
625   EXPECT_TRUE(testAArch64CPU(
626       "exynos-m2", "armv8-a", "crypto-neon-fp-armv8",
627       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
628   EXPECT_TRUE(testAArch64CPU(
629       "exynos-m3", "armv8-a", "crypto-neon-fp-armv8",
630       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
631   EXPECT_TRUE(testAArch64CPU(
632       "falkor", "armv8-a", "crypto-neon-fp-armv8",
633       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
634   EXPECT_TRUE(testAArch64CPU(
635       "kryo", "armv8-a", "crypto-neon-fp-armv8",
636       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8-A"));
637   EXPECT_TRUE(testAArch64CPU(
638       "vulcan", "armv8.1-a", "crypto-neon-fp-armv8",
639       AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_SIMD, "8.1-A"));
640 }
641 
642 bool testAArch64Arch(StringRef Arch, StringRef DefaultCPU, StringRef SubArch,
643                      unsigned ArchAttr) {
644   unsigned ArchKind = AArch64::parseArch(Arch);
645   return (ArchKind != static_cast<unsigned>(AArch64::ArchKind::AK_INVALID)) &
646          AArch64::getDefaultCPU(Arch).equals(DefaultCPU) &
647          AArch64::getSubArch(ArchKind).equals(SubArch) &
648          (AArch64::getArchAttr(ArchKind) == ArchAttr);
649 }
650 
651 TEST(TargetParserTest, testAArch64Arch) {
652   EXPECT_TRUE(testAArch64Arch("armv8-a", "cortex-a53", "v8",
653                               ARMBuildAttrs::CPUArch::v8_A));
654   EXPECT_TRUE(testAArch64Arch("armv8.1-a", "generic", "v8.1a",
655                               ARMBuildAttrs::CPUArch::v8_A));
656   EXPECT_TRUE(testAArch64Arch("armv8.2-a", "generic", "v8.2a",
657                               ARMBuildAttrs::CPUArch::v8_A));
658 }
659 
660 bool testAArch64Extension(StringRef CPUName, unsigned ArchKind,
661                           StringRef ArchExt) {
662   return AArch64::getDefaultExtensions(CPUName, ArchKind) &
663          AArch64::parseArchExt(ArchExt);
664 }
665 
666 TEST(TargetParserTest, testAArch64Extension) {
667   EXPECT_FALSE(testAArch64Extension("cortex-a35", 0, "ras"));
668   EXPECT_FALSE(testAArch64Extension("cortex-a53", 0, "ras"));
669   EXPECT_FALSE(testAArch64Extension("cortex-a57", 0, "ras"));
670   EXPECT_FALSE(testAArch64Extension("cortex-a72", 0, "ras"));
671   EXPECT_FALSE(testAArch64Extension("cortex-a73", 0, "ras"));
672   EXPECT_FALSE(testAArch64Extension("cyclone", 0, "ras"));
673   EXPECT_FALSE(testAArch64Extension("exynos-m1", 0, "ras"));
674   EXPECT_FALSE(testAArch64Extension("kryo", 0, "ras"));
675   EXPECT_FALSE(testAArch64Extension("vulcan", 0, "ras"));
676 
677   EXPECT_FALSE(testAArch64Extension(
678       "generic", static_cast<unsigned>(AArch64::ArchKind::AK_ARMV8A), "ras"));
679   EXPECT_FALSE(testAArch64Extension(
680       "generic", static_cast<unsigned>(AArch64::ArchKind::AK_ARMV8_1A), "ras"));
681   EXPECT_FALSE(testAArch64Extension(
682       "generic", static_cast<unsigned>(AArch64::ArchKind::AK_ARMV8_2A), "spe"));
683 }
684 
685 TEST(TargetParserTest, AArch64ExtensionFeatures) {
686   std::vector<StringRef> Features;
687   unsigned Extensions = AArch64::AEK_CRC | AArch64::AEK_CRYPTO |
688                         AArch64::AEK_FP | AArch64::AEK_SIMD |
689                         AArch64::AEK_FP16 | AArch64::AEK_PROFILE |
690                         AArch64::AEK_RAS;
691 
692   for (unsigned i = 0; i <= Extensions; i++)
693     EXPECT_TRUE(i == 0 ? !AArch64::getExtensionFeatures(i, Features)
694                        : AArch64::getExtensionFeatures(i, Features));
695 }
696 
697 TEST(TargetParserTest, AArch64ArchFeatures) {
698   std::vector<StringRef> Features;
699 
700   for (unsigned AK = 0; AK < static_cast<unsigned>(AArch64::ArchKind::AK_LAST);
701        AK++)
702     EXPECT_TRUE((AK == static_cast<unsigned>(AArch64::ArchKind::AK_INVALID) ||
703                  AK == static_cast<unsigned>(AArch64::ArchKind::AK_LAST))
704                     ? !AArch64::getArchFeatures(AK, Features)
705                     : AArch64::getArchFeatures(AK, Features));
706 }
707 
708 TEST(TargetParserTest, AArch64ArchExtFeature) {
709   const char *ArchExt[][4] = {{"crc", "nocrc", "+crc", "-crc"},
710                               {"crypto", "nocrypto", "+crypto", "-crypto"},
711                               {"fp", "nofp", "+fp-armv8", "-fp-armv8"},
712                               {"simd", "nosimd", "+neon", "-neon"},
713                               {"fp16", "nofp16", "+fullfp16", "-fullfp16"},
714                               {"profile", "noprofile", "+spe", "-spe"},
715                               {"ras", "noras", "+ras", "-ras"}};
716 
717   for (unsigned i = 0; i < array_lengthof(ArchExt); i++) {
718     EXPECT_EQ(StringRef(ArchExt[i][2]),
719               AArch64::getArchExtFeature(ArchExt[i][0]));
720     EXPECT_EQ(StringRef(ArchExt[i][3]),
721               AArch64::getArchExtFeature(ArchExt[i][1]));
722   }
723 }
724 }
725