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 "gtest/gtest.h"
18 static ::testing::AssertionResult NoError(std::error_code EC) {
20 return ::testing::AssertionSuccess();
21 return ::testing::AssertionFailure() << "error " << EC.value()
22 << ": " << EC.message();
25 static ::testing::AssertionResult ErrorEquals(std::error_code Expected,
26 std::error_code Found) {
27 if (Expected == Found)
28 return ::testing::AssertionSuccess();
29 return ::testing::AssertionFailure() << "error " << Found.value()
30 << ": " << Found.message();
35 struct InstrProfTest : ::testing::Test {
36 InstrProfWriter Writer;
37 std::unique_ptr<IndexedInstrProfReader> Reader;
39 void readProfile(std::unique_ptr<MemoryBuffer> Profile) {
40 auto ReaderOrErr = IndexedInstrProfReader::create(std::move(Profile));
41 ASSERT_TRUE(NoError(ReaderOrErr.getError()));
42 Reader = std::move(ReaderOrErr.get());
46 TEST_F(InstrProfTest, write_and_read_empty_profile) {
47 auto Profile = Writer.writeBuffer();
48 readProfile(std::move(Profile));
49 ASSERT_TRUE(Reader->begin() == Reader->end());
52 TEST_F(InstrProfTest, write_and_read_one_function) {
53 InstrProfRecord Record("foo", 0x1234, {1, 2, 3, 4});
54 Writer.addRecord(std::move(Record));
55 auto Profile = Writer.writeBuffer();
56 readProfile(std::move(Profile));
58 auto I = Reader->begin(), E = Reader->end();
60 ASSERT_EQ(StringRef("foo"), I->Name);
61 ASSERT_EQ(0x1234U, I->Hash);
62 ASSERT_EQ(4U, I->Counts.size());
63 ASSERT_EQ(1U, I->Counts[0]);
64 ASSERT_EQ(2U, I->Counts[1]);
65 ASSERT_EQ(3U, I->Counts[2]);
66 ASSERT_EQ(4U, I->Counts[3]);
67 ASSERT_TRUE(++I == E);
70 TEST_F(InstrProfTest, get_instr_prof_record) {
71 InstrProfRecord Record1("foo", 0x1234, {1, 2});
72 InstrProfRecord Record2("foo", 0x1235, {3, 4});
73 Writer.addRecord(std::move(Record1));
74 Writer.addRecord(std::move(Record2));
75 auto Profile = Writer.writeBuffer();
76 readProfile(std::move(Profile));
78 ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("foo", 0x1234);
79 ASSERT_TRUE(NoError(R.getError()));
80 ASSERT_EQ(2U, R.get().Counts.size());
81 ASSERT_EQ(1U, R.get().Counts[0]);
82 ASSERT_EQ(2U, R.get().Counts[1]);
84 R = Reader->getInstrProfRecord("foo", 0x1235);
85 ASSERT_TRUE(NoError(R.getError()));
86 ASSERT_EQ(2U, R.get().Counts.size());
87 ASSERT_EQ(3U, R.get().Counts[0]);
88 ASSERT_EQ(4U, R.get().Counts[1]);
90 R = Reader->getInstrProfRecord("foo", 0x5678);
91 ASSERT_TRUE(ErrorEquals(instrprof_error::hash_mismatch, R.getError()));
93 R = Reader->getInstrProfRecord("bar", 0x1234);
94 ASSERT_TRUE(ErrorEquals(instrprof_error::unknown_function, R.getError()));
97 TEST_F(InstrProfTest, get_function_counts) {
98 InstrProfRecord Record1("foo", 0x1234, {1, 2});
99 InstrProfRecord Record2("foo", 0x1235, {3, 4});
100 Writer.addRecord(std::move(Record1));
101 Writer.addRecord(std::move(Record2));
102 auto Profile = Writer.writeBuffer();
103 readProfile(std::move(Profile));
105 std::vector<uint64_t> Counts;
106 ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1234, Counts)));
107 ASSERT_EQ(2U, Counts.size());
108 ASSERT_EQ(1U, Counts[0]);
109 ASSERT_EQ(2U, Counts[1]);
111 ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1235, Counts)));
112 ASSERT_EQ(2U, Counts.size());
113 ASSERT_EQ(3U, Counts[0]);
114 ASSERT_EQ(4U, Counts[1]);
117 EC = Reader->getFunctionCounts("foo", 0x5678, Counts);
118 ASSERT_TRUE(ErrorEquals(instrprof_error::hash_mismatch, EC));
120 EC = Reader->getFunctionCounts("bar", 0x1234, Counts);
121 ASSERT_TRUE(ErrorEquals(instrprof_error::unknown_function, EC));
124 TEST_F(InstrProfTest, get_icall_data_read_write) {
125 InstrProfRecord Record1("caller", 0x1234, {1, 2});
126 InstrProfRecord Record2("callee1", 0x1235, {3, 4});
127 InstrProfRecord Record3("callee2", 0x1235, {3, 4});
128 InstrProfRecord Record4("callee3", 0x1235, {3, 4});
131 Record1.reserveSites(IPVK_IndirectCallTarget, 4);
132 InstrProfValueData VD0[] = {{(uint64_t) "callee1", 1},
133 {(uint64_t) "callee2", 2},
134 {(uint64_t) "callee3", 3}};
135 Record1.addValueData(IPVK_IndirectCallTarget, 0, VD0, 3, nullptr);
136 // No value profile data at the second site.
137 Record1.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
138 InstrProfValueData VD2[] = {{(uint64_t) "callee1", 1},
139 {(uint64_t) "callee2", 2}};
140 Record1.addValueData(IPVK_IndirectCallTarget, 2, VD2, 2, nullptr);
141 InstrProfValueData VD3[] = {{(uint64_t) "callee1", 1}};
142 Record1.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
144 Writer.addRecord(std::move(Record1));
145 Writer.addRecord(std::move(Record2));
146 Writer.addRecord(std::move(Record3));
147 Writer.addRecord(std::move(Record4));
148 auto Profile = Writer.writeBuffer();
149 readProfile(std::move(Profile));
151 ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("caller", 0x1234);
152 ASSERT_TRUE(NoError(R.getError()));
153 ASSERT_EQ(4U, R.get().getNumValueSites(IPVK_IndirectCallTarget));
154 ASSERT_EQ(3U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
155 ASSERT_EQ(0U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
156 ASSERT_EQ(2U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
157 ASSERT_EQ(1U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
159 std::unique_ptr<InstrProfValueData[]> VD =
160 R.get().getValueForSite(IPVK_IndirectCallTarget, 0);
161 // Now sort the target acording to frequency.
162 std::sort(&VD[0], &VD[3],
163 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
164 return VD1.Count > VD2.Count;
166 ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee3"));
167 ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee2"));
168 ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee1"));
171 TEST_F(InstrProfTest, get_icall_data_read_write_big_endian) {
172 InstrProfRecord Record1("caller", 0x1234, {1, 2});
173 InstrProfRecord Record2("callee1", 0x1235, {3, 4});
174 InstrProfRecord Record3("callee2", 0x1235, {3, 4});
175 InstrProfRecord Record4("callee3", 0x1235, {3, 4});
178 Record1.reserveSites(IPVK_IndirectCallTarget, 4);
179 InstrProfValueData VD0[] = {{(uint64_t) "callee1", 1},
180 {(uint64_t) "callee2", 2},
181 {(uint64_t) "callee3", 3}};
182 Record1.addValueData(IPVK_IndirectCallTarget, 0, VD0, 3, nullptr);
183 // No value profile data at the second site.
184 Record1.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
185 InstrProfValueData VD2[] = {{(uint64_t) "callee1", 1},
186 {(uint64_t) "callee2", 2}};
187 Record1.addValueData(IPVK_IndirectCallTarget, 2, VD2, 2, nullptr);
188 InstrProfValueData VD3[] = {{(uint64_t) "callee1", 1}};
189 Record1.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
191 Writer.addRecord(std::move(Record1));
192 Writer.addRecord(std::move(Record2));
193 Writer.addRecord(std::move(Record3));
194 Writer.addRecord(std::move(Record4));
196 // Set big endian output.
197 Writer.setValueProfDataEndianness(support::big);
199 auto Profile = Writer.writeBuffer();
200 readProfile(std::move(Profile));
202 // Set big endian input.
203 Reader->setValueProfDataEndianness(support::big);
205 ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("caller", 0x1234);
206 ASSERT_TRUE(NoError(R.getError()));
207 ASSERT_EQ(4U, R.get().getNumValueSites(IPVK_IndirectCallTarget));
208 ASSERT_EQ(3U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
209 ASSERT_EQ(0U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
210 ASSERT_EQ(2U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
211 ASSERT_EQ(1U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
213 std::unique_ptr<InstrProfValueData[]> VD =
214 R.get().getValueForSite(IPVK_IndirectCallTarget, 0);
215 // Now sort the target acording to frequency.
216 std::sort(&VD[0], &VD[3],
217 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
218 return VD1.Count > VD2.Count;
220 ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee3"));
221 ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee2"));
222 ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee1"));
224 // Restore little endian default:
225 Writer.setValueProfDataEndianness(support::little);
228 TEST_F(InstrProfTest, get_icall_data_merge1) {
229 static const char caller[] = "caller";
230 static const char callee1[] = "callee1";
231 static const char callee2[] = "callee2";
232 static const char callee3[] = "callee3";
233 static const char callee4[] = "callee4";
235 InstrProfRecord Record11(caller, 0x1234, {1, 2});
236 InstrProfRecord Record12(caller, 0x1234, {1, 2});
237 InstrProfRecord Record2(callee1, 0x1235, {3, 4});
238 InstrProfRecord Record3(callee2, 0x1235, {3, 4});
239 InstrProfRecord Record4(callee3, 0x1235, {3, 4});
240 InstrProfRecord Record5(callee3, 0x1235, {3, 4});
241 InstrProfRecord Record6(callee4, 0x1235, {3, 5});
244 Record11.reserveSites(IPVK_IndirectCallTarget, 5);
245 InstrProfValueData VD0[] = {{uint64_t(callee1), 1},
246 {uint64_t(callee2), 2},
247 {uint64_t(callee3), 3},
248 {uint64_t(callee4), 4}};
249 Record11.addValueData(IPVK_IndirectCallTarget, 0, VD0, 4, nullptr);
251 // No valeu profile data at the second site.
252 Record11.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
254 InstrProfValueData VD2[] = {{uint64_t(callee1), 1},
255 {uint64_t(callee2), 2},
256 {uint64_t(callee3), 3}};
257 Record11.addValueData(IPVK_IndirectCallTarget, 2, VD2, 3, nullptr);
259 InstrProfValueData VD3[] = {{uint64_t(callee1), 1}};
260 Record11.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
262 InstrProfValueData VD4[] = {{uint64_t(callee1), 1},
263 {uint64_t(callee2), 2},
264 {uint64_t(callee3), 3}};
265 Record11.addValueData(IPVK_IndirectCallTarget, 4, VD4, 3, nullptr);
267 // A differnt record for the same caller.
268 Record12.reserveSites(IPVK_IndirectCallTarget, 5);
269 InstrProfValueData VD02[] = {{uint64_t(callee2), 5},
270 {uint64_t(callee3), 3}};
271 Record12.addValueData(IPVK_IndirectCallTarget, 0, VD02, 2, nullptr);
273 // No valeu profile data at the second site.
274 Record12.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
276 InstrProfValueData VD22[] = {{uint64_t(callee2), 1},
277 {uint64_t(callee3), 3},
278 {uint64_t(callee4), 4}};
279 Record12.addValueData(IPVK_IndirectCallTarget, 2, VD22, 3, nullptr);
281 Record12.addValueData(IPVK_IndirectCallTarget, 3, nullptr, 0, nullptr);
283 InstrProfValueData VD42[] = {{uint64_t(callee1), 1},
284 {uint64_t(callee2), 2},
285 {uint64_t(callee3), 3}};
286 Record12.addValueData(IPVK_IndirectCallTarget, 4, VD42, 3, nullptr);
288 Writer.addRecord(std::move(Record11));
289 // Merge profile data.
290 Writer.addRecord(std::move(Record12));
292 Writer.addRecord(std::move(Record2));
293 Writer.addRecord(std::move(Record3));
294 Writer.addRecord(std::move(Record4));
295 Writer.addRecord(std::move(Record5));
296 Writer.addRecord(std::move(Record6));
297 auto Profile = Writer.writeBuffer();
298 readProfile(std::move(Profile));
300 ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("caller", 0x1234);
301 ASSERT_TRUE(NoError(R.getError()));
302 ASSERT_EQ(5U, R.get().getNumValueSites(IPVK_IndirectCallTarget));
303 ASSERT_EQ(4U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
304 ASSERT_EQ(0U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
305 ASSERT_EQ(4U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
306 ASSERT_EQ(1U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
307 ASSERT_EQ(3U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 4));
309 std::unique_ptr<InstrProfValueData[]> VD =
310 R.get().getValueForSite(IPVK_IndirectCallTarget, 0);
311 // Now sort the target acording to frequency.
312 std::sort(&VD[0], &VD[4],
313 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
314 return VD1.Count > VD2.Count;
316 ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee2"));
317 ASSERT_EQ(7U, VD[0].Count);
318 ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee3"));
319 ASSERT_EQ(6U, VD[1].Count);
320 ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee4"));
321 ASSERT_EQ(4U, VD[2].Count);
322 ASSERT_EQ(StringRef((const char *)VD[3].Value, 7), StringRef("callee1"));
323 ASSERT_EQ(1U, VD[3].Count);
325 std::unique_ptr<InstrProfValueData[]> VD_2(
326 R.get().getValueForSite(IPVK_IndirectCallTarget, 2));
327 std::sort(&VD_2[0], &VD_2[4],
328 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
329 return VD1.Count > VD2.Count;
331 ASSERT_EQ(StringRef((const char *)VD_2[0].Value, 7), StringRef("callee3"));
332 ASSERT_EQ(6U, VD_2[0].Count);
333 ASSERT_EQ(StringRef((const char *)VD_2[1].Value, 7), StringRef("callee4"));
334 ASSERT_EQ(4U, VD_2[1].Count);
335 ASSERT_EQ(StringRef((const char *)VD_2[2].Value, 7), StringRef("callee2"));
336 ASSERT_EQ(3U, VD_2[2].Count);
337 ASSERT_EQ(StringRef((const char *)VD_2[3].Value, 7), StringRef("callee1"));
338 ASSERT_EQ(1U, VD_2[3].Count);
340 std::unique_ptr<InstrProfValueData[]> VD_3(
341 R.get().getValueForSite(IPVK_IndirectCallTarget, 3));
342 ASSERT_EQ(StringRef((const char *)VD_3[0].Value, 7), StringRef("callee1"));
343 ASSERT_EQ(1U, VD_3[0].Count);
345 std::unique_ptr<InstrProfValueData[]> VD_4(
346 R.get().getValueForSite(IPVK_IndirectCallTarget, 4));
347 std::sort(&VD_4[0], &VD_4[3],
348 [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
349 return VD1.Count > VD2.Count;
351 ASSERT_EQ(StringRef((const char *)VD_4[0].Value, 7), StringRef("callee3"));
352 ASSERT_EQ(6U, VD_4[0].Count);
353 ASSERT_EQ(StringRef((const char *)VD_4[1].Value, 7), StringRef("callee2"));
354 ASSERT_EQ(4U, VD_4[1].Count);
355 ASSERT_EQ(StringRef((const char *)VD_4[2].Value, 7), StringRef("callee1"));
356 ASSERT_EQ(2U, VD_4[2].Count);
359 TEST_F(InstrProfTest, get_icall_data_merge1_saturation) {
360 static const char bar[] = "bar";
362 const uint64_t Max = std::numeric_limits<uint64_t>::max();
364 InstrProfRecord Record1("foo", 0x1234, {1});
365 auto Result1 = Writer.addRecord(std::move(Record1));
366 ASSERT_EQ(Result1, instrprof_error::success);
368 // Verify counter overflow.
369 InstrProfRecord Record2("foo", 0x1234, {Max});
370 auto Result2 = Writer.addRecord(std::move(Record2));
371 ASSERT_EQ(Result2, instrprof_error::counter_overflow);
373 InstrProfRecord Record3(bar, 0x9012, {8});
374 auto Result3 = Writer.addRecord(std::move(Record3));
375 ASSERT_EQ(Result3, instrprof_error::success);
377 InstrProfRecord Record4("baz", 0x5678, {3, 4});
378 Record4.reserveSites(IPVK_IndirectCallTarget, 1);
379 InstrProfValueData VD4[] = {{uint64_t(bar), 1}};
380 Record4.addValueData(IPVK_IndirectCallTarget, 0, VD4, 1, nullptr);
381 auto Result4 = Writer.addRecord(std::move(Record4));
382 ASSERT_EQ(Result4, instrprof_error::success);
384 // Verify value data counter overflow.
385 InstrProfRecord Record5("baz", 0x5678, {5, 6});
386 Record5.reserveSites(IPVK_IndirectCallTarget, 1);
387 InstrProfValueData VD5[] = {{uint64_t(bar), Max}};
388 Record5.addValueData(IPVK_IndirectCallTarget, 0, VD5, 1, nullptr);
389 auto Result5 = Writer.addRecord(std::move(Record5));
390 ASSERT_EQ(Result5, instrprof_error::counter_overflow);
392 auto Profile = Writer.writeBuffer();
393 readProfile(std::move(Profile));
395 // Verify saturation of counts.
396 ErrorOr<InstrProfRecord> ReadRecord1 =
397 Reader->getInstrProfRecord("foo", 0x1234);
398 ASSERT_TRUE(NoError(ReadRecord1.getError()));
399 ASSERT_EQ(Max, ReadRecord1.get().Counts[0]);
401 ErrorOr<InstrProfRecord> ReadRecord2 =
402 Reader->getInstrProfRecord("baz", 0x5678);
403 ASSERT_EQ(1U, ReadRecord2.get().getNumValueSites(IPVK_IndirectCallTarget));
404 std::unique_ptr<InstrProfValueData[]> VD =
405 ReadRecord2.get().getValueForSite(IPVK_IndirectCallTarget, 0);
406 ASSERT_EQ(StringRef("bar"), StringRef((const char *)VD[0].Value, 3));
407 ASSERT_EQ(Max, VD[0].Count);
410 // Synthesize runtime value profile data.
411 ValueProfNode Site1Values[5] = {{{uint64_t("callee1"), 400}, &Site1Values[1]},
412 {{uint64_t("callee2"), 1000}, &Site1Values[2]},
413 {{uint64_t("callee3"), 500}, &Site1Values[3]},
414 {{uint64_t("callee4"), 300}, &Site1Values[4]},
415 {{uint64_t("callee5"), 100}, 0}};
417 ValueProfNode Site2Values[4] = {{{uint64_t("callee5"), 800}, &Site2Values[1]},
418 {{uint64_t("callee3"), 1000}, &Site2Values[2]},
419 {{uint64_t("callee2"), 2500}, &Site2Values[3]},
420 {{uint64_t("callee1"), 1300}, 0}};
422 ValueProfNode Site3Values[3] = {{{uint64_t("callee6"), 800}, &Site3Values[1]},
423 {{uint64_t("callee3"), 1000}, &Site3Values[2]},
424 {{uint64_t("callee4"), 5500}, 0}};
426 ValueProfNode Site4Values[2] = {{{uint64_t("callee2"), 1800}, &Site4Values[1]},
427 {{uint64_t("callee3"), 2000}, 0}};
429 static ValueProfNode *ValueProfNodes[5] = {&Site1Values[0], &Site2Values[0],
430 &Site3Values[0], &Site4Values[0], 0};
431 static uint16_t NumValueSites[IPVK_Last + 1] = {5};
432 TEST_F(InstrProfTest, runtime_value_prof_data_read_write) {
433 ValueProfRuntimeRecord RTRecord;
434 initializeValueProfRuntimeRecord(&RTRecord, &NumValueSites[0],
437 ValueProfData *VPData = serializeValueProfDataFromRT(&RTRecord, nullptr);
439 InstrProfRecord Record("caller", 0x1234, {1ULL << 31, 2});
441 VPData->deserializeTo(Record, 0);
443 // Now read data from Record and sanity check the data
444 ASSERT_EQ(5U, Record.getNumValueSites(IPVK_IndirectCallTarget));
445 ASSERT_EQ(5U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
446 ASSERT_EQ(4U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
447 ASSERT_EQ(3U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
448 ASSERT_EQ(2U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
449 ASSERT_EQ(0U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 4));
451 auto Cmp = [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
452 return VD1.Count > VD2.Count;
454 std::unique_ptr<InstrProfValueData[]> VD_0(
455 Record.getValueForSite(IPVK_IndirectCallTarget, 0));
456 std::sort(&VD_0[0], &VD_0[5], Cmp);
457 ASSERT_EQ(StringRef((const char *)VD_0[0].Value, 7), StringRef("callee2"));
458 ASSERT_EQ(1000U, VD_0[0].Count);
459 ASSERT_EQ(StringRef((const char *)VD_0[1].Value, 7), StringRef("callee3"));
460 ASSERT_EQ(500U, VD_0[1].Count);
461 ASSERT_EQ(StringRef((const char *)VD_0[2].Value, 7), StringRef("callee1"));
462 ASSERT_EQ(400U, VD_0[2].Count);
463 ASSERT_EQ(StringRef((const char *)VD_0[3].Value, 7), StringRef("callee4"));
464 ASSERT_EQ(300U, VD_0[3].Count);
465 ASSERT_EQ(StringRef((const char *)VD_0[4].Value, 7), StringRef("callee5"));
466 ASSERT_EQ(100U, VD_0[4].Count);
468 std::unique_ptr<InstrProfValueData[]> VD_1(
469 Record.getValueForSite(IPVK_IndirectCallTarget, 1));
470 std::sort(&VD_1[0], &VD_1[4], Cmp);
471 ASSERT_EQ(StringRef((const char *)VD_1[0].Value, 7), StringRef("callee2"));
472 ASSERT_EQ(2500U, VD_1[0].Count);
473 ASSERT_EQ(StringRef((const char *)VD_1[1].Value, 7), StringRef("callee1"));
474 ASSERT_EQ(1300U, VD_1[1].Count);
475 ASSERT_EQ(StringRef((const char *)VD_1[2].Value, 7), StringRef("callee3"));
476 ASSERT_EQ(1000U, VD_1[2].Count);
477 ASSERT_EQ(StringRef((const char *)VD_1[3].Value, 7), StringRef("callee5"));
478 ASSERT_EQ(800U, VD_1[3].Count);
480 std::unique_ptr<InstrProfValueData[]> VD_2(
481 Record.getValueForSite(IPVK_IndirectCallTarget, 2));
482 std::sort(&VD_2[0], &VD_2[3], Cmp);
483 ASSERT_EQ(StringRef((const char *)VD_2[0].Value, 7), StringRef("callee4"));
484 ASSERT_EQ(5500U, VD_2[0].Count);
485 ASSERT_EQ(StringRef((const char *)VD_2[1].Value, 7), StringRef("callee3"));
486 ASSERT_EQ(1000U, VD_2[1].Count);
487 ASSERT_EQ(StringRef((const char *)VD_2[2].Value, 7), StringRef("callee6"));
488 ASSERT_EQ(800U, VD_2[2].Count);
490 std::unique_ptr<InstrProfValueData[]> VD_3(
491 Record.getValueForSite(IPVK_IndirectCallTarget, 3));
492 std::sort(&VD_3[0], &VD_3[2], Cmp);
493 ASSERT_EQ(StringRef((const char *)VD_3[0].Value, 7), StringRef("callee3"));
494 ASSERT_EQ(2000U, VD_3[0].Count);
495 ASSERT_EQ(StringRef((const char *)VD_3[1].Value, 7), StringRef("callee2"));
496 ASSERT_EQ(1800U, VD_3[1].Count);
498 finalizeValueProfRuntimeRecord(&RTRecord);
502 TEST_F(InstrProfTest, get_max_function_count) {
503 InstrProfRecord Record1("foo", 0x1234, {1ULL << 31, 2});
504 InstrProfRecord Record2("bar", 0, {1ULL << 63});
505 InstrProfRecord Record3("baz", 0x5678, {0, 0, 0, 0});
506 Writer.addRecord(std::move(Record1));
507 Writer.addRecord(std::move(Record2));
508 Writer.addRecord(std::move(Record3));
509 auto Profile = Writer.writeBuffer();
510 readProfile(std::move(Profile));
512 ASSERT_EQ(1ULL << 63, Reader->getMaximumFunctionCount());
515 TEST_F(InstrProfTest, get_weighted_function_counts) {
516 InstrProfRecord Record1("foo", 0x1234, {1, 2});
517 InstrProfRecord Record2("foo", 0x1235, {3, 4});
518 Writer.addRecord(std::move(Record1), 3);
519 Writer.addRecord(std::move(Record2), 5);
520 auto Profile = Writer.writeBuffer();
521 readProfile(std::move(Profile));
523 std::vector<uint64_t> Counts;
524 ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1234, Counts)));
525 ASSERT_EQ(2U, Counts.size());
526 ASSERT_EQ(3U, Counts[0]);
527 ASSERT_EQ(6U, Counts[1]);
529 ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1235, Counts)));
530 ASSERT_EQ(2U, Counts.size());
531 ASSERT_EQ(15U, Counts[0]);
532 ASSERT_EQ(20U, Counts[1]);
535 TEST_F(InstrProfTest, instr_prof_symtab_test) {
536 std::vector<StringRef> FuncNames;
537 FuncNames.push_back("func1");
538 FuncNames.push_back("func2");
539 FuncNames.push_back("func3");
540 FuncNames.push_back("bar1");
541 FuncNames.push_back("bar2");
542 FuncNames.push_back("bar3");
543 InstrProfSymtab Symtab;
544 Symtab.create(FuncNames);
545 StringRef R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func1"));
546 ASSERT_EQ(StringRef("func1"), R);
547 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func2"));
548 ASSERT_EQ(StringRef("func2"), R);
549 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func3"));
550 ASSERT_EQ(StringRef("func3"), R);
551 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar1"));
552 ASSERT_EQ(StringRef("bar1"), R);
553 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar2"));
554 ASSERT_EQ(StringRef("bar2"), R);
555 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar3"));
556 ASSERT_EQ(StringRef("bar3"), R);
558 // Now incrementally update the symtab
559 Symtab.addFuncName("blah_1");
560 Symtab.addFuncName("blah_2");
561 Symtab.addFuncName("blah_3");
563 Symtab.finalizeSymtab();
566 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_1"));
567 ASSERT_EQ(StringRef("blah_1"), R);
568 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_2"));
569 ASSERT_EQ(StringRef("blah_2"), R);
570 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_3"));
571 ASSERT_EQ(StringRef("blah_3"), R);
572 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func1"));
573 ASSERT_EQ(StringRef("func1"), R);
574 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func2"));
575 ASSERT_EQ(StringRef("func2"), R);
576 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func3"));
577 ASSERT_EQ(StringRef("func3"), R);
578 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar1"));
579 ASSERT_EQ(StringRef("bar1"), R);
580 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar2"));
581 ASSERT_EQ(StringRef("bar2"), R);
582 R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar3"));
583 ASSERT_EQ(StringRef("bar3"), R);
586 } // end anonymous namespace