1 //===- unittest/ProfileData/InstrProfTest.cpp -------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/ProfileData/InstrProfReader.h"
11 #include "llvm/ProfileData/InstrProfWriter.h"
12 #include "llvm/Support/Compression.h"
13 #include "gtest/gtest.h"
19 static ::testing::AssertionResult NoError(std::error_code EC) {
21 return ::testing::AssertionSuccess();
22 return ::testing::AssertionFailure() << "error " << EC.value()
23 << ": " << EC.message();
26 static ::testing::AssertionResult ErrorEquals(std::error_code Expected,
27 std::error_code Found) {
28 if (Expected == Found)
29 return ::testing::AssertionSuccess();
30 return ::testing::AssertionFailure() << "error " << Found.value()
31 << ": " << Found.message();
36 struct InstrProfTest : ::testing::Test {
37 InstrProfWriter Writer;
38 std::unique_ptr<IndexedInstrProfReader> Reader;
40 void readProfile(std::unique_ptr<MemoryBuffer> Profile) {
41 auto ReaderOrErr = IndexedInstrProfReader::create(std::move(Profile));
42 ASSERT_TRUE(NoError(ReaderOrErr.getError()));
43 Reader = std::move(ReaderOrErr.get());
47 TEST_F(InstrProfTest, write_and_read_empty_profile) {
48 auto Profile = Writer.writeBuffer();
49 readProfile(std::move(Profile));
50 ASSERT_TRUE(Reader->begin() == Reader->end());
53 TEST_F(InstrProfTest, write_and_read_one_function) {
54 InstrProfRecord Record("foo", 0x1234, {1, 2, 3, 4});
55 Writer.addRecord(std::move(Record));
56 auto Profile = Writer.writeBuffer();
57 readProfile(std::move(Profile));
59 auto I = Reader->begin(), E = Reader->end();
61 ASSERT_EQ(StringRef("foo"), I->Name);
62 ASSERT_EQ(0x1234U, I->Hash);
63 ASSERT_EQ(4U, I->Counts.size());
64 ASSERT_EQ(1U, I->Counts[0]);
65 ASSERT_EQ(2U, I->Counts[1]);
66 ASSERT_EQ(3U, I->Counts[2]);
67 ASSERT_EQ(4U, I->Counts[3]);
68 ASSERT_TRUE(++I == E);
71 TEST_F(InstrProfTest, get_instr_prof_record) {
72 InstrProfRecord Record1("foo", 0x1234, {1, 2});
73 InstrProfRecord Record2("foo", 0x1235, {3, 4});
74 Writer.addRecord(std::move(Record1));
75 Writer.addRecord(std::move(Record2));
76 auto Profile = Writer.writeBuffer();
77 readProfile(std::move(Profile));
79 ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("foo", 0x1234);
80 ASSERT_TRUE(NoError(R.getError()));
81 ASSERT_EQ(2U, R.get().Counts.size());
82 ASSERT_EQ(1U, R.get().Counts[0]);
83 ASSERT_EQ(2U, R.get().Counts[1]);
85 R = Reader->getInstrProfRecord("foo", 0x1235);
86 ASSERT_TRUE(NoError(R.getError()));
87 ASSERT_EQ(2U, R.get().Counts.size());
88 ASSERT_EQ(3U, R.get().Counts[0]);
89 ASSERT_EQ(4U, R.get().Counts[1]);
91 R = Reader->getInstrProfRecord("foo", 0x5678);
92 ASSERT_TRUE(ErrorEquals(instrprof_error::hash_mismatch, R.getError()));
94 R = Reader->getInstrProfRecord("bar", 0x1234);
95 ASSERT_TRUE(ErrorEquals(instrprof_error::unknown_function, R.getError()));
98 TEST_F(InstrProfTest, get_function_counts) {
99 InstrProfRecord Record1("foo", 0x1234, {1, 2});
100 InstrProfRecord Record2("foo", 0x1235, {3, 4});
101 Writer.addRecord(std::move(Record1));
102 Writer.addRecord(std::move(Record2));
103 auto Profile = Writer.writeBuffer();
104 readProfile(std::move(Profile));
106 std::vector<uint64_t> Counts;
107 ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1234, Counts)));
108 ASSERT_EQ(2U, Counts.size());
109 ASSERT_EQ(1U, Counts[0]);
110 ASSERT_EQ(2U, Counts[1]);
112 ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1235, Counts)));
113 ASSERT_EQ(2U, Counts.size());
114 ASSERT_EQ(3U, Counts[0]);
115 ASSERT_EQ(4U, Counts[1]);
118 EC = Reader->getFunctionCounts("foo", 0x5678, Counts);
119 ASSERT_TRUE(ErrorEquals(instrprof_error::hash_mismatch, EC));
121 EC = Reader->getFunctionCounts("bar", 0x1234, Counts);
122 ASSERT_TRUE(ErrorEquals(instrprof_error::unknown_function, EC));
125 TEST_F(InstrProfTest, get_icall_data_read_write) {
126 InstrProfRecord Record1("caller", 0x1234, {1, 2});
127 InstrProfRecord Record2("callee1", 0x1235, {3, 4});
128 InstrProfRecord Record3("callee2", 0x1235, {3, 4});
129 InstrProfRecord Record4("callee3", 0x1235, {3, 4});
132 Record1.reserveSites(IPVK_IndirectCallTarget, 4);
133 InstrProfValueData VD0[] = {{(uint64_t) "callee1", 1},
134 {(uint64_t) "callee2", 2},
135 {(uint64_t) "callee3", 3}};
136 Record1.addValueData(IPVK_IndirectCallTarget, 0, VD0, 3, nullptr);
137 // No value profile data at the second site.
138 Record1.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
139 InstrProfValueData VD2[] = {{(uint64_t) "callee1", 1},
140 {(uint64_t) "callee2", 2}};
141 Record1.addValueData(IPVK_IndirectCallTarget, 2, VD2, 2, nullptr);
142 InstrProfValueData VD3[] = {{(uint64_t) "callee1", 1}};
143 Record1.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
145 Writer.addRecord(std::move(Record1));
146 Writer.addRecord(std::move(Record2));
147 Writer.addRecord(std::move(Record3));
148 Writer.addRecord(std::move(Record4));
149 auto Profile = Writer.writeBuffer();
150 readProfile(std::move(Profile));
152 ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("caller", 0x1234);
153 ASSERT_TRUE(NoError(R.getError()));
154 ASSERT_EQ(4U, R.get().getNumValueSites(IPVK_IndirectCallTarget));
155 ASSERT_EQ(3U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
156 ASSERT_EQ(0U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
157 ASSERT_EQ(2U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
158 ASSERT_EQ(1U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
160 std::unique_ptr<InstrProfValueData[]> VD =
161 R.get().getValueForSite(IPVK_IndirectCallTarget, 0);
162 // Now sort the target acording to frequency.
163 std::sort(&VD[0], &VD[3],
164 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
165 return VD1.Count > VD2.Count;
167 ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee3"));
168 ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee2"));
169 ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee1"));
172 TEST_F(InstrProfTest, get_icall_data_read_write_big_endian) {
173 InstrProfRecord Record1("caller", 0x1234, {1, 2});
174 InstrProfRecord Record2("callee1", 0x1235, {3, 4});
175 InstrProfRecord Record3("callee2", 0x1235, {3, 4});
176 InstrProfRecord Record4("callee3", 0x1235, {3, 4});
179 Record1.reserveSites(IPVK_IndirectCallTarget, 4);
180 InstrProfValueData VD0[] = {{(uint64_t) "callee1", 1},
181 {(uint64_t) "callee2", 2},
182 {(uint64_t) "callee3", 3}};
183 Record1.addValueData(IPVK_IndirectCallTarget, 0, VD0, 3, nullptr);
184 // No value profile data at the second site.
185 Record1.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
186 InstrProfValueData VD2[] = {{(uint64_t) "callee1", 1},
187 {(uint64_t) "callee2", 2}};
188 Record1.addValueData(IPVK_IndirectCallTarget, 2, VD2, 2, nullptr);
189 InstrProfValueData VD3[] = {{(uint64_t) "callee1", 1}};
190 Record1.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
192 Writer.addRecord(std::move(Record1));
193 Writer.addRecord(std::move(Record2));
194 Writer.addRecord(std::move(Record3));
195 Writer.addRecord(std::move(Record4));
197 // Set big endian output.
198 Writer.setValueProfDataEndianness(support::big);
200 auto Profile = Writer.writeBuffer();
201 readProfile(std::move(Profile));
203 // Set big endian input.
204 Reader->setValueProfDataEndianness(support::big);
206 ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("caller", 0x1234);
207 ASSERT_TRUE(NoError(R.getError()));
208 ASSERT_EQ(4U, R.get().getNumValueSites(IPVK_IndirectCallTarget));
209 ASSERT_EQ(3U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
210 ASSERT_EQ(0U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
211 ASSERT_EQ(2U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
212 ASSERT_EQ(1U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
214 std::unique_ptr<InstrProfValueData[]> VD =
215 R.get().getValueForSite(IPVK_IndirectCallTarget, 0);
216 // Now sort the target acording to frequency.
217 std::sort(&VD[0], &VD[3],
218 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
219 return VD1.Count > VD2.Count;
221 ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee3"));
222 ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee2"));
223 ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee1"));
225 // Restore little endian default:
226 Writer.setValueProfDataEndianness(support::little);
229 TEST_F(InstrProfTest, get_icall_data_merge1) {
230 static const char caller[] = "caller";
231 static const char callee1[] = "callee1";
232 static const char callee2[] = "callee2";
233 static const char callee3[] = "callee3";
234 static const char callee4[] = "callee4";
236 InstrProfRecord Record11(caller, 0x1234, {1, 2});
237 InstrProfRecord Record12(caller, 0x1234, {1, 2});
238 InstrProfRecord Record2(callee1, 0x1235, {3, 4});
239 InstrProfRecord Record3(callee2, 0x1235, {3, 4});
240 InstrProfRecord Record4(callee3, 0x1235, {3, 4});
241 InstrProfRecord Record5(callee3, 0x1235, {3, 4});
242 InstrProfRecord Record6(callee4, 0x1235, {3, 5});
245 Record11.reserveSites(IPVK_IndirectCallTarget, 5);
246 InstrProfValueData VD0[] = {{uint64_t(callee1), 1},
247 {uint64_t(callee2), 2},
248 {uint64_t(callee3), 3},
249 {uint64_t(callee4), 4}};
250 Record11.addValueData(IPVK_IndirectCallTarget, 0, VD0, 4, nullptr);
252 // No valeu profile data at the second site.
253 Record11.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
255 InstrProfValueData VD2[] = {{uint64_t(callee1), 1},
256 {uint64_t(callee2), 2},
257 {uint64_t(callee3), 3}};
258 Record11.addValueData(IPVK_IndirectCallTarget, 2, VD2, 3, nullptr);
260 InstrProfValueData VD3[] = {{uint64_t(callee1), 1}};
261 Record11.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
263 InstrProfValueData VD4[] = {{uint64_t(callee1), 1},
264 {uint64_t(callee2), 2},
265 {uint64_t(callee3), 3}};
266 Record11.addValueData(IPVK_IndirectCallTarget, 4, VD4, 3, nullptr);
268 // A differnt record for the same caller.
269 Record12.reserveSites(IPVK_IndirectCallTarget, 5);
270 InstrProfValueData VD02[] = {{uint64_t(callee2), 5},
271 {uint64_t(callee3), 3}};
272 Record12.addValueData(IPVK_IndirectCallTarget, 0, VD02, 2, nullptr);
274 // No valeu profile data at the second site.
275 Record12.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
277 InstrProfValueData VD22[] = {{uint64_t(callee2), 1},
278 {uint64_t(callee3), 3},
279 {uint64_t(callee4), 4}};
280 Record12.addValueData(IPVK_IndirectCallTarget, 2, VD22, 3, nullptr);
282 Record12.addValueData(IPVK_IndirectCallTarget, 3, nullptr, 0, nullptr);
284 InstrProfValueData VD42[] = {{uint64_t(callee1), 1},
285 {uint64_t(callee2), 2},
286 {uint64_t(callee3), 3}};
287 Record12.addValueData(IPVK_IndirectCallTarget, 4, VD42, 3, nullptr);
289 Writer.addRecord(std::move(Record11));
290 // Merge profile data.
291 Writer.addRecord(std::move(Record12));
293 Writer.addRecord(std::move(Record2));
294 Writer.addRecord(std::move(Record3));
295 Writer.addRecord(std::move(Record4));
296 Writer.addRecord(std::move(Record5));
297 Writer.addRecord(std::move(Record6));
298 auto Profile = Writer.writeBuffer();
299 readProfile(std::move(Profile));
301 ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("caller", 0x1234);
302 ASSERT_TRUE(NoError(R.getError()));
303 ASSERT_EQ(5U, R.get().getNumValueSites(IPVK_IndirectCallTarget));
304 ASSERT_EQ(4U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
305 ASSERT_EQ(0U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
306 ASSERT_EQ(4U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
307 ASSERT_EQ(1U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
308 ASSERT_EQ(3U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 4));
310 std::unique_ptr<InstrProfValueData[]> VD =
311 R.get().getValueForSite(IPVK_IndirectCallTarget, 0);
312 // Now sort the target acording to frequency.
313 std::sort(&VD[0], &VD[4],
314 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
315 return VD1.Count > VD2.Count;
317 ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee2"));
318 ASSERT_EQ(7U, VD[0].Count);
319 ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee3"));
320 ASSERT_EQ(6U, VD[1].Count);
321 ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee4"));
322 ASSERT_EQ(4U, VD[2].Count);
323 ASSERT_EQ(StringRef((const char *)VD[3].Value, 7), StringRef("callee1"));
324 ASSERT_EQ(1U, VD[3].Count);
326 std::unique_ptr<InstrProfValueData[]> VD_2(
327 R.get().getValueForSite(IPVK_IndirectCallTarget, 2));
328 std::sort(&VD_2[0], &VD_2[4],
329 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
330 return VD1.Count > VD2.Count;
332 ASSERT_EQ(StringRef((const char *)VD_2[0].Value, 7), StringRef("callee3"));
333 ASSERT_EQ(6U, VD_2[0].Count);
334 ASSERT_EQ(StringRef((const char *)VD_2[1].Value, 7), StringRef("callee4"));
335 ASSERT_EQ(4U, VD_2[1].Count);
336 ASSERT_EQ(StringRef((const char *)VD_2[2].Value, 7), StringRef("callee2"));
337 ASSERT_EQ(3U, VD_2[2].Count);
338 ASSERT_EQ(StringRef((const char *)VD_2[3].Value, 7), StringRef("callee1"));
339 ASSERT_EQ(1U, VD_2[3].Count);
341 std::unique_ptr<InstrProfValueData[]> VD_3(
342 R.get().getValueForSite(IPVK_IndirectCallTarget, 3));
343 ASSERT_EQ(StringRef((const char *)VD_3[0].Value, 7), StringRef("callee1"));
344 ASSERT_EQ(1U, VD_3[0].Count);
346 std::unique_ptr<InstrProfValueData[]> VD_4(
347 R.get().getValueForSite(IPVK_IndirectCallTarget, 4));
348 std::sort(&VD_4[0], &VD_4[3],
349 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
350 return VD1.Count > VD2.Count;
352 ASSERT_EQ(StringRef((const char *)VD_4[0].Value, 7), StringRef("callee3"));
353 ASSERT_EQ(6U, VD_4[0].Count);
354 ASSERT_EQ(StringRef((const char *)VD_4[1].Value, 7), StringRef("callee2"));
355 ASSERT_EQ(4U, VD_4[1].Count);
356 ASSERT_EQ(StringRef((const char *)VD_4[2].Value, 7), StringRef("callee1"));
357 ASSERT_EQ(2U, VD_4[2].Count);
360 TEST_F(InstrProfTest, get_icall_data_merge1_saturation) {
361 static const char bar[] = "bar";
363 const uint64_t Max = std::numeric_limits<uint64_t>::max();
365 InstrProfRecord Record1("foo", 0x1234, {1});
366 auto Result1 = Writer.addRecord(std::move(Record1));
367 ASSERT_EQ(Result1, instrprof_error::success);
369 // Verify counter overflow.
370 InstrProfRecord Record2("foo", 0x1234, {Max});
371 auto Result2 = Writer.addRecord(std::move(Record2));
372 ASSERT_EQ(Result2, instrprof_error::counter_overflow);
374 InstrProfRecord Record3(bar, 0x9012, {8});
375 auto Result3 = Writer.addRecord(std::move(Record3));
376 ASSERT_EQ(Result3, instrprof_error::success);
378 InstrProfRecord Record4("baz", 0x5678, {3, 4});
379 Record4.reserveSites(IPVK_IndirectCallTarget, 1);
380 InstrProfValueData VD4[] = {{uint64_t(bar), 1}};
381 Record4.addValueData(IPVK_IndirectCallTarget, 0, VD4, 1, nullptr);
382 auto Result4 = Writer.addRecord(std::move(Record4));
383 ASSERT_EQ(Result4, instrprof_error::success);
385 // Verify value data counter overflow.
386 InstrProfRecord Record5("baz", 0x5678, {5, 6});
387 Record5.reserveSites(IPVK_IndirectCallTarget, 1);
388 InstrProfValueData VD5[] = {{uint64_t(bar), Max}};
389 Record5.addValueData(IPVK_IndirectCallTarget, 0, VD5, 1, nullptr);
390 auto Result5 = Writer.addRecord(std::move(Record5));
391 ASSERT_EQ(Result5, instrprof_error::counter_overflow);
393 auto Profile = Writer.writeBuffer();
394 readProfile(std::move(Profile));
396 // Verify saturation of counts.
397 ErrorOr<InstrProfRecord> ReadRecord1 =
398 Reader->getInstrProfRecord("foo", 0x1234);
399 ASSERT_TRUE(NoError(ReadRecord1.getError()));
400 ASSERT_EQ(Max, ReadRecord1.get().Counts[0]);
402 ErrorOr<InstrProfRecord> ReadRecord2 =
403 Reader->getInstrProfRecord("baz", 0x5678);
404 ASSERT_EQ(1U, ReadRecord2.get().getNumValueSites(IPVK_IndirectCallTarget));
405 std::unique_ptr<InstrProfValueData[]> VD =
406 ReadRecord2.get().getValueForSite(IPVK_IndirectCallTarget, 0);
407 ASSERT_EQ(StringRef("bar"), StringRef((const char *)VD[0].Value, 3));
408 ASSERT_EQ(Max, VD[0].Count);
411 // Synthesize runtime value profile data.
412 ValueProfNode Site1Values[5] = {{{uint64_t("callee1"), 400}, &Site1Values[1]},
413 {{uint64_t("callee2"), 1000}, &Site1Values[2]},
414 {{uint64_t("callee3"), 500}, &Site1Values[3]},
415 {{uint64_t("callee4"), 300}, &Site1Values[4]},
416 {{uint64_t("callee5"), 100}, 0}};
418 ValueProfNode Site2Values[4] = {{{uint64_t("callee5"), 800}, &Site2Values[1]},
419 {{uint64_t("callee3"), 1000}, &Site2Values[2]},
420 {{uint64_t("callee2"), 2500}, &Site2Values[3]},
421 {{uint64_t("callee1"), 1300}, 0}};
423 ValueProfNode Site3Values[3] = {{{uint64_t("callee6"), 800}, &Site3Values[1]},
424 {{uint64_t("callee3"), 1000}, &Site3Values[2]},
425 {{uint64_t("callee4"), 5500}, 0}};
427 ValueProfNode Site4Values[2] = {{{uint64_t("callee2"), 1800}, &Site4Values[1]},
428 {{uint64_t("callee3"), 2000}, 0}};
430 static ValueProfNode *ValueProfNodes[5] = {&Site1Values[0], &Site2Values[0],
431 &Site3Values[0], &Site4Values[0], 0};
432 static uint16_t NumValueSites[IPVK_Last + 1] = {5};
433 TEST_F(InstrProfTest, runtime_value_prof_data_read_write) {
434 ValueProfRuntimeRecord RTRecord;
435 initializeValueProfRuntimeRecord(&RTRecord, &NumValueSites[0],
438 ValueProfData *VPData = serializeValueProfDataFromRT(&RTRecord, nullptr);
440 InstrProfRecord Record("caller", 0x1234, {1ULL << 31, 2});
442 VPData->deserializeTo(Record, 0);
444 // Now read data from Record and sanity check the data
445 ASSERT_EQ(5U, Record.getNumValueSites(IPVK_IndirectCallTarget));
446 ASSERT_EQ(5U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
447 ASSERT_EQ(4U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
448 ASSERT_EQ(3U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
449 ASSERT_EQ(2U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
450 ASSERT_EQ(0U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 4));
452 auto Cmp = [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
453 return VD1.Count > VD2.Count;
455 std::unique_ptr<InstrProfValueData[]> VD_0(
456 Record.getValueForSite(IPVK_IndirectCallTarget, 0));
457 std::sort(&VD_0[0], &VD_0[5], Cmp);
458 ASSERT_EQ(StringRef((const char *)VD_0[0].Value, 7), StringRef("callee2"));
459 ASSERT_EQ(1000U, VD_0[0].Count);
460 ASSERT_EQ(StringRef((const char *)VD_0[1].Value, 7), StringRef("callee3"));
461 ASSERT_EQ(500U, VD_0[1].Count);
462 ASSERT_EQ(StringRef((const char *)VD_0[2].Value, 7), StringRef("callee1"));
463 ASSERT_EQ(400U, VD_0[2].Count);
464 ASSERT_EQ(StringRef((const char *)VD_0[3].Value, 7), StringRef("callee4"));
465 ASSERT_EQ(300U, VD_0[3].Count);
466 ASSERT_EQ(StringRef((const char *)VD_0[4].Value, 7), StringRef("callee5"));
467 ASSERT_EQ(100U, VD_0[4].Count);
469 std::unique_ptr<InstrProfValueData[]> VD_1(
470 Record.getValueForSite(IPVK_IndirectCallTarget, 1));
471 std::sort(&VD_1[0], &VD_1[4], Cmp);
472 ASSERT_EQ(StringRef((const char *)VD_1[0].Value, 7), StringRef("callee2"));
473 ASSERT_EQ(2500U, VD_1[0].Count);
474 ASSERT_EQ(StringRef((const char *)VD_1[1].Value, 7), StringRef("callee1"));
475 ASSERT_EQ(1300U, VD_1[1].Count);
476 ASSERT_EQ(StringRef((const char *)VD_1[2].Value, 7), StringRef("callee3"));
477 ASSERT_EQ(1000U, VD_1[2].Count);
478 ASSERT_EQ(StringRef((const char *)VD_1[3].Value, 7), StringRef("callee5"));
479 ASSERT_EQ(800U, VD_1[3].Count);
481 std::unique_ptr<InstrProfValueData[]> VD_2(
482 Record.getValueForSite(IPVK_IndirectCallTarget, 2));
483 std::sort(&VD_2[0], &VD_2[3], Cmp);
484 ASSERT_EQ(StringRef((const char *)VD_2[0].Value, 7), StringRef("callee4"));
485 ASSERT_EQ(5500U, VD_2[0].Count);
486 ASSERT_EQ(StringRef((const char *)VD_2[1].Value, 7), StringRef("callee3"));
487 ASSERT_EQ(1000U, VD_2[1].Count);
488 ASSERT_EQ(StringRef((const char *)VD_2[2].Value, 7), StringRef("callee6"));
489 ASSERT_EQ(800U, VD_2[2].Count);
491 std::unique_ptr<InstrProfValueData[]> VD_3(
492 Record.getValueForSite(IPVK_IndirectCallTarget, 3));
493 std::sort(&VD_3[0], &VD_3[2], Cmp);
494 ASSERT_EQ(StringRef((const char *)VD_3[0].Value, 7), StringRef("callee3"));
495 ASSERT_EQ(2000U, VD_3[0].Count);
496 ASSERT_EQ(StringRef((const char *)VD_3[1].Value, 7), StringRef("callee2"));
497 ASSERT_EQ(1800U, VD_3[1].Count);
499 finalizeValueProfRuntimeRecord(&RTRecord);
503 TEST_F(InstrProfTest, get_max_function_count) {
504 InstrProfRecord Record1("foo", 0x1234, {1ULL << 31, 2});
505 InstrProfRecord Record2("bar", 0, {1ULL << 63});
506 InstrProfRecord Record3("baz", 0x5678, {0, 0, 0, 0});
507 Writer.addRecord(std::move(Record1));
508 Writer.addRecord(std::move(Record2));
509 Writer.addRecord(std::move(Record3));
510 auto Profile = Writer.writeBuffer();
511 readProfile(std::move(Profile));
513 ASSERT_EQ(1ULL << 63, Reader->getMaximumFunctionCount());
516 TEST_F(InstrProfTest, get_weighted_function_counts) {
517 InstrProfRecord Record1("foo", 0x1234, {1, 2});
518 InstrProfRecord Record2("foo", 0x1235, {3, 4});
519 Writer.addRecord(std::move(Record1), 3);
520 Writer.addRecord(std::move(Record2), 5);
521 auto Profile = Writer.writeBuffer();
522 readProfile(std::move(Profile));
524 std::vector<uint64_t> Counts;
525 ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1234, Counts)));
526 ASSERT_EQ(2U, Counts.size());
527 ASSERT_EQ(3U, Counts[0]);
528 ASSERT_EQ(6U, Counts[1]);
530 ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1235, Counts)));
531 ASSERT_EQ(2U, Counts.size());
532 ASSERT_EQ(15U, Counts[0]);
533 ASSERT_EQ(20U, Counts[1]);
536 TEST_F(InstrProfTest, instr_prof_symtab_test) {
537 std::vector<StringRef> FuncNames;
538 FuncNames.push_back("func1");
539 FuncNames.push_back("func2");
540 FuncNames.push_back("func3");
541 FuncNames.push_back("bar1");
542 FuncNames.push_back("bar2");
543 FuncNames.push_back("bar3");
544 InstrProfSymtab Symtab;
545 Symtab.create(FuncNames);
546 StringRef R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func1"));
547 ASSERT_EQ(StringRef("func1"), R);
548 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func2"));
549 ASSERT_EQ(StringRef("func2"), R);
550 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func3"));
551 ASSERT_EQ(StringRef("func3"), R);
552 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar1"));
553 ASSERT_EQ(StringRef("bar1"), R);
554 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar2"));
555 ASSERT_EQ(StringRef("bar2"), R);
556 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar3"));
557 ASSERT_EQ(StringRef("bar3"), R);
559 // Now incrementally update the symtab
560 Symtab.addFuncName("blah_1");
561 Symtab.addFuncName("blah_2");
562 Symtab.addFuncName("blah_3");
564 Symtab.finalizeSymtab();
567 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_1"));
568 ASSERT_EQ(StringRef("blah_1"), R);
569 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_2"));
570 ASSERT_EQ(StringRef("blah_2"), R);
571 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_3"));
572 ASSERT_EQ(StringRef("blah_3"), R);
573 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func1"));
574 ASSERT_EQ(StringRef("func1"), R);
575 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func2"));
576 ASSERT_EQ(StringRef("func2"), R);
577 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func3"));
578 ASSERT_EQ(StringRef("func3"), R);
579 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar1"));
580 ASSERT_EQ(StringRef("bar1"), R);
581 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar2"));
582 ASSERT_EQ(StringRef("bar2"), R);
583 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar3"));
584 ASSERT_EQ(StringRef("bar3"), R);
587 TEST_F(InstrProfTest, instr_prof_symtab_compression_test) {
588 std::vector<std::string> FuncNames1;
589 std::vector<std::string> FuncNames2;
590 for (int I = 0; I < 10 * 1024; I++) {
592 raw_string_ostream OS(str);
594 FuncNames1.push_back(OS.str());
596 OS << "fooooooooooooooo_" << I;
597 FuncNames1.push_back(OS.str());
600 FuncNames2.push_back(OS.str());
602 OS << "BlahblahBlahblahBar_" << I;
603 FuncNames2.push_back(OS.str());
606 for (int Padding = 0; Padding < 10; Padding++) {
607 for (int DoCompression = 0; DoCompression < 2; DoCompression++) {
609 std::string FuncNameStrings1;
610 collectPGOFuncNameStrings(FuncNames1,
611 (DoCompression != 0 && zlib::isAvailable()),
615 std::string FuncNameStrings2;
616 collectPGOFuncNameStrings(FuncNames2,
617 (DoCompression != 0 && zlib::isAvailable()),
620 // Join with paddings:
621 std::string FuncNameStrings = FuncNameStrings1;
622 for (int P = 0; P < Padding; P++) {
623 FuncNameStrings.push_back('\0');
625 FuncNameStrings += FuncNameStrings2;
628 InstrProfSymtab Symtab;
629 Symtab.create(StringRef(FuncNameStrings));
632 for (int I = 0; I < 10 * 1024; I++) {
634 N[0] = FuncNames1[2 * I];
635 N[1] = FuncNames1[2 * I + 1];
636 N[2] = FuncNames2[2 * I];
637 N[3] = FuncNames2[2 * I + 1];
638 for (int J = 0; J < 4; J++) {
639 StringRef R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(N[J]));
640 ASSERT_EQ(StringRef(N[J]), R);
647 } // end anonymous namespace