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