-//===- unittest/ProfileData/InstrProfTest.cpp -------------------------------=//
+//===- unittest/ProfileData/InstrProfTest.cpp -------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
#include "llvm/ProfileData/InstrProfReader.h"
#include "llvm/ProfileData/InstrProfWriter.h"
+#include "llvm/Support/Compression.h"
#include "gtest/gtest.h"
#include <cstdarg>
InstrProfValueData VD0[] = {{(uint64_t) "callee1", 1},
{(uint64_t) "callee2", 2},
{(uint64_t) "callee3", 3}};
- Record1.addValueData(IPVK_IndirectCallTarget, 0, VD0, 3, 0);
- // No valeu profile data at the second site.
- Record1.addValueData(IPVK_IndirectCallTarget, 1, 0, 0, 0);
+ Record1.addValueData(IPVK_IndirectCallTarget, 0, VD0, 3, nullptr);
+ // No value profile data at the second site.
+ Record1.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
InstrProfValueData VD2[] = {{(uint64_t) "callee1", 1},
{(uint64_t) "callee2", 2}};
- Record1.addValueData(IPVK_IndirectCallTarget, 2, VD2, 2, 0);
+ Record1.addValueData(IPVK_IndirectCallTarget, 2, VD2, 2, nullptr);
InstrProfValueData VD3[] = {{(uint64_t) "callee1", 1}};
- Record1.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, 0);
+ Record1.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
Writer.addRecord(std::move(Record1));
Writer.addRecord(std::move(Record2));
[](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
return VD1.Count > VD2.Count;
});
+
+ ASSERT_EQ(3U, VD[0].Count);
+ ASSERT_EQ(2U, VD[1].Count);
+ ASSERT_EQ(1U, VD[2].Count);
+
ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee3"));
ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee2"));
ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee1"));
}
-TEST_F(InstrProfTest, get_icall_data_merge1) {
- InstrProfRecord Record11("caller", 0x1234, {1, 2});
- InstrProfRecord Record12("caller", 0x1234, {1, 2});
+TEST_F(InstrProfTest, get_icall_data_read_write_with_weight) {
+ InstrProfRecord Record1("caller", 0x1234, {1, 2});
InstrProfRecord Record2("callee1", 0x1235, {3, 4});
InstrProfRecord Record3("callee2", 0x1235, {3, 4});
InstrProfRecord Record4("callee3", 0x1235, {3, 4});
- InstrProfRecord Record5("callee3", 0x1235, {3, 4});
- InstrProfRecord Record6("callee4", 0x1235, {3, 5});
- // 5 value sites.
- Record11.reserveSites(IPVK_IndirectCallTarget, 5);
+ // 4 value sites.
+ Record1.reserveSites(IPVK_IndirectCallTarget, 4);
InstrProfValueData VD0[] = {{(uint64_t) "callee1", 1},
{(uint64_t) "callee2", 2},
- {(uint64_t) "callee3", 3},
- {(uint64_t) "callee4", 4}};
- Record11.addValueData(IPVK_IndirectCallTarget, 0, VD0, 4, 0);
+ {(uint64_t) "callee3", 3}};
+ Record1.addValueData(IPVK_IndirectCallTarget, 0, VD0, 3, nullptr);
+ // No value profile data at the second site.
+ Record1.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
+ InstrProfValueData VD2[] = {{(uint64_t) "callee1", 1},
+ {(uint64_t) "callee2", 2}};
+ Record1.addValueData(IPVK_IndirectCallTarget, 2, VD2, 2, nullptr);
+ InstrProfValueData VD3[] = {{(uint64_t) "callee1", 1}};
+ Record1.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
- // No valeu profile data at the second site.
- Record11.addValueData(IPVK_IndirectCallTarget, 1, 0, 0, 0);
+ Writer.addRecord(std::move(Record1), 10);
+ Writer.addRecord(std::move(Record2));
+ Writer.addRecord(std::move(Record3));
+ Writer.addRecord(std::move(Record4));
+ auto Profile = Writer.writeBuffer();
+ readProfile(std::move(Profile));
- InstrProfValueData VD2[] = {{(uint64_t) "callee1", 1},
- {(uint64_t) "callee2", 2},
- {(uint64_t) "callee3", 3}};
- Record11.addValueData(IPVK_IndirectCallTarget, 2, VD2, 3, 0);
+ ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("caller", 0x1234);
+ ASSERT_TRUE(NoError(R.getError()));
+ ASSERT_EQ(4U, R.get().getNumValueSites(IPVK_IndirectCallTarget));
+ ASSERT_EQ(3U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
+ ASSERT_EQ(0U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
+ ASSERT_EQ(2U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
+ ASSERT_EQ(1U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
- InstrProfValueData VD3[] = {{(uint64_t) "callee1", 1}};
- Record11.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, 0);
+ std::unique_ptr<InstrProfValueData[]> VD =
+ R.get().getValueForSite(IPVK_IndirectCallTarget, 0);
+ // Now sort the target acording to frequency.
+ std::sort(&VD[0], &VD[3],
+ [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
+ return VD1.Count > VD2.Count;
+ });
+ ASSERT_EQ(30U, VD[0].Count);
+ ASSERT_EQ(20U, VD[1].Count);
+ ASSERT_EQ(10U, VD[2].Count);
- InstrProfValueData VD4[] = {{(uint64_t) "callee1", 1},
+ ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee2"));
+ ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee1"));
+}
+
+TEST_F(InstrProfTest, get_icall_data_read_write_big_endian) {
+ InstrProfRecord Record1("caller", 0x1234, {1, 2});
+ InstrProfRecord Record2("callee1", 0x1235, {3, 4});
+ InstrProfRecord Record3("callee2", 0x1235, {3, 4});
+ InstrProfRecord Record4("callee3", 0x1235, {3, 4});
+
+ // 4 value sites.
+ Record1.reserveSites(IPVK_IndirectCallTarget, 4);
+ InstrProfValueData VD0[] = {{(uint64_t) "callee1", 1},
{(uint64_t) "callee2", 2},
{(uint64_t) "callee3", 3}};
- Record11.addValueData(IPVK_IndirectCallTarget, 4, VD4, 3, 0);
+ Record1.addValueData(IPVK_IndirectCallTarget, 0, VD0, 3, nullptr);
+ // No value profile data at the second site.
+ Record1.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
+ InstrProfValueData VD2[] = {{(uint64_t) "callee1", 1},
+ {(uint64_t) "callee2", 2}};
+ Record1.addValueData(IPVK_IndirectCallTarget, 2, VD2, 2, nullptr);
+ InstrProfValueData VD3[] = {{(uint64_t) "callee1", 1}};
+ Record1.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
+
+ Writer.addRecord(std::move(Record1));
+ Writer.addRecord(std::move(Record2));
+ Writer.addRecord(std::move(Record3));
+ Writer.addRecord(std::move(Record4));
+
+ // Set big endian output.
+ Writer.setValueProfDataEndianness(support::big);
+
+ auto Profile = Writer.writeBuffer();
+ readProfile(std::move(Profile));
+
+ // Set big endian input.
+ Reader->setValueProfDataEndianness(support::big);
+
+ ErrorOr<InstrProfRecord> R = Reader->getInstrProfRecord("caller", 0x1234);
+ ASSERT_TRUE(NoError(R.getError()));
+ ASSERT_EQ(4U, R.get().getNumValueSites(IPVK_IndirectCallTarget));
+ ASSERT_EQ(3U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
+ ASSERT_EQ(0U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
+ ASSERT_EQ(2U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
+ ASSERT_EQ(1U, R.get().getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
+
+ std::unique_ptr<InstrProfValueData[]> VD =
+ R.get().getValueForSite(IPVK_IndirectCallTarget, 0);
+ // Now sort the target acording to frequency.
+ std::sort(&VD[0], &VD[3],
+ [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
+ return VD1.Count > VD2.Count;
+ });
+ ASSERT_EQ(StringRef((const char *)VD[0].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(StringRef((const char *)VD[1].Value, 7), StringRef("callee2"));
+ ASSERT_EQ(StringRef((const char *)VD[2].Value, 7), StringRef("callee1"));
+
+ // Restore little endian default:
+ Writer.setValueProfDataEndianness(support::little);
+}
+
+TEST_F(InstrProfTest, get_icall_data_merge1) {
+ static const char caller[] = "caller";
+ static const char callee1[] = "callee1";
+ static const char callee2[] = "callee2";
+ static const char callee3[] = "callee3";
+ static const char callee4[] = "callee4";
+
+ InstrProfRecord Record11(caller, 0x1234, {1, 2});
+ InstrProfRecord Record12(caller, 0x1234, {1, 2});
+ InstrProfRecord Record2(callee1, 0x1235, {3, 4});
+ InstrProfRecord Record3(callee2, 0x1235, {3, 4});
+ InstrProfRecord Record4(callee3, 0x1235, {3, 4});
+ InstrProfRecord Record5(callee3, 0x1235, {3, 4});
+ InstrProfRecord Record6(callee4, 0x1235, {3, 5});
+
+ // 5 value sites.
+ Record11.reserveSites(IPVK_IndirectCallTarget, 5);
+ InstrProfValueData VD0[] = {{uint64_t(callee1), 1},
+ {uint64_t(callee2), 2},
+ {uint64_t(callee3), 3},
+ {uint64_t(callee4), 4}};
+ Record11.addValueData(IPVK_IndirectCallTarget, 0, VD0, 4, nullptr);
+
+ // No valeu profile data at the second site.
+ Record11.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
+
+ InstrProfValueData VD2[] = {{uint64_t(callee1), 1},
+ {uint64_t(callee2), 2},
+ {uint64_t(callee3), 3}};
+ Record11.addValueData(IPVK_IndirectCallTarget, 2, VD2, 3, nullptr);
+
+ InstrProfValueData VD3[] = {{uint64_t(callee1), 1}};
+ Record11.addValueData(IPVK_IndirectCallTarget, 3, VD3, 1, nullptr);
+
+ InstrProfValueData VD4[] = {{uint64_t(callee1), 1},
+ {uint64_t(callee2), 2},
+ {uint64_t(callee3), 3}};
+ Record11.addValueData(IPVK_IndirectCallTarget, 4, VD4, 3, nullptr);
// A differnt record for the same caller.
Record12.reserveSites(IPVK_IndirectCallTarget, 5);
- InstrProfValueData VD02[] = {{(uint64_t) "callee2", 5},
- {(uint64_t) "callee3", 3}};
- Record12.addValueData(IPVK_IndirectCallTarget, 0, VD02, 2, 0);
+ InstrProfValueData VD02[] = {{uint64_t(callee2), 5},
+ {uint64_t(callee3), 3}};
+ Record12.addValueData(IPVK_IndirectCallTarget, 0, VD02, 2, nullptr);
// No valeu profile data at the second site.
- Record12.addValueData(IPVK_IndirectCallTarget, 1, 0, 0, 0);
+ Record12.addValueData(IPVK_IndirectCallTarget, 1, nullptr, 0, nullptr);
- InstrProfValueData VD22[] = {{(uint64_t) "callee2", 1},
- {(uint64_t) "callee3", 3},
- {(uint64_t) "callee4", 4}};
- Record12.addValueData(IPVK_IndirectCallTarget, 2, VD22, 3, 0);
+ InstrProfValueData VD22[] = {{uint64_t(callee2), 1},
+ {uint64_t(callee3), 3},
+ {uint64_t(callee4), 4}};
+ Record12.addValueData(IPVK_IndirectCallTarget, 2, VD22, 3, nullptr);
- Record12.addValueData(IPVK_IndirectCallTarget, 3, 0, 0, 0);
+ Record12.addValueData(IPVK_IndirectCallTarget, 3, nullptr, 0, nullptr);
- InstrProfValueData VD42[] = {{(uint64_t) "callee1", 1},
- {(uint64_t) "callee2", 2},
- {(uint64_t) "callee3", 3}};
- Record12.addValueData(IPVK_IndirectCallTarget, 4, VD42, 3, 0);
+ InstrProfValueData VD42[] = {{uint64_t(callee1), 1},
+ {uint64_t(callee2), 2},
+ {uint64_t(callee3), 3}};
+ Record12.addValueData(IPVK_IndirectCallTarget, 4, VD42, 3, nullptr);
Writer.addRecord(std::move(Record11));
// Merge profile data.
ASSERT_EQ(2U, VD_4[2].Count);
}
+TEST_F(InstrProfTest, get_icall_data_merge1_saturation) {
+ static const char bar[] = "bar";
+
+ const uint64_t Max = std::numeric_limits<uint64_t>::max();
+
+ InstrProfRecord Record1("foo", 0x1234, {1});
+ auto Result1 = Writer.addRecord(std::move(Record1));
+ ASSERT_EQ(Result1, instrprof_error::success);
+
+ // Verify counter overflow.
+ InstrProfRecord Record2("foo", 0x1234, {Max});
+ auto Result2 = Writer.addRecord(std::move(Record2));
+ ASSERT_EQ(Result2, instrprof_error::counter_overflow);
+
+ InstrProfRecord Record3(bar, 0x9012, {8});
+ auto Result3 = Writer.addRecord(std::move(Record3));
+ ASSERT_EQ(Result3, instrprof_error::success);
+
+ InstrProfRecord Record4("baz", 0x5678, {3, 4});
+ Record4.reserveSites(IPVK_IndirectCallTarget, 1);
+ InstrProfValueData VD4[] = {{uint64_t(bar), 1}};
+ Record4.addValueData(IPVK_IndirectCallTarget, 0, VD4, 1, nullptr);
+ auto Result4 = Writer.addRecord(std::move(Record4));
+ ASSERT_EQ(Result4, instrprof_error::success);
+
+ // Verify value data counter overflow.
+ InstrProfRecord Record5("baz", 0x5678, {5, 6});
+ Record5.reserveSites(IPVK_IndirectCallTarget, 1);
+ InstrProfValueData VD5[] = {{uint64_t(bar), Max}};
+ Record5.addValueData(IPVK_IndirectCallTarget, 0, VD5, 1, nullptr);
+ auto Result5 = Writer.addRecord(std::move(Record5));
+ ASSERT_EQ(Result5, instrprof_error::counter_overflow);
+
+ auto Profile = Writer.writeBuffer();
+ readProfile(std::move(Profile));
+
+ // Verify saturation of counts.
+ ErrorOr<InstrProfRecord> ReadRecord1 =
+ Reader->getInstrProfRecord("foo", 0x1234);
+ ASSERT_TRUE(NoError(ReadRecord1.getError()));
+ ASSERT_EQ(Max, ReadRecord1.get().Counts[0]);
+
+ ErrorOr<InstrProfRecord> ReadRecord2 =
+ Reader->getInstrProfRecord("baz", 0x5678);
+ ASSERT_EQ(1U, ReadRecord2.get().getNumValueSites(IPVK_IndirectCallTarget));
+ std::unique_ptr<InstrProfValueData[]> VD =
+ ReadRecord2.get().getValueForSite(IPVK_IndirectCallTarget, 0);
+ ASSERT_EQ(StringRef("bar"), StringRef((const char *)VD[0].Value, 3));
+ ASSERT_EQ(Max, VD[0].Count);
+}
+
+// Synthesize runtime value profile data.
+ValueProfNode Site1Values[5] = {{{uint64_t("callee1"), 400}, &Site1Values[1]},
+ {{uint64_t("callee2"), 1000}, &Site1Values[2]},
+ {{uint64_t("callee3"), 500}, &Site1Values[3]},
+ {{uint64_t("callee4"), 300}, &Site1Values[4]},
+ {{uint64_t("callee5"), 100}, 0}};
+
+ValueProfNode Site2Values[4] = {{{uint64_t("callee5"), 800}, &Site2Values[1]},
+ {{uint64_t("callee3"), 1000}, &Site2Values[2]},
+ {{uint64_t("callee2"), 2500}, &Site2Values[3]},
+ {{uint64_t("callee1"), 1300}, 0}};
+
+ValueProfNode Site3Values[3] = {{{uint64_t("callee6"), 800}, &Site3Values[1]},
+ {{uint64_t("callee3"), 1000}, &Site3Values[2]},
+ {{uint64_t("callee4"), 5500}, 0}};
+
+ValueProfNode Site4Values[2] = {{{uint64_t("callee2"), 1800}, &Site4Values[1]},
+ {{uint64_t("callee3"), 2000}, 0}};
+
+static ValueProfNode *ValueProfNodes[5] = {&Site1Values[0], &Site2Values[0],
+ &Site3Values[0], &Site4Values[0], 0};
+static uint16_t NumValueSites[IPVK_Last + 1] = {5};
+TEST_F(InstrProfTest, runtime_value_prof_data_read_write) {
+ ValueProfRuntimeRecord RTRecord;
+ initializeValueProfRuntimeRecord(&RTRecord, &NumValueSites[0],
+ &ValueProfNodes[0]);
+
+ ValueProfData *VPData = serializeValueProfDataFromRT(&RTRecord, nullptr);
+
+ InstrProfRecord Record("caller", 0x1234, {1ULL << 31, 2});
+
+ VPData->deserializeTo(Record, 0);
+
+ // Now read data from Record and sanity check the data
+ ASSERT_EQ(5U, Record.getNumValueSites(IPVK_IndirectCallTarget));
+ ASSERT_EQ(5U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
+ ASSERT_EQ(4U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
+ ASSERT_EQ(3U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
+ ASSERT_EQ(2U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
+ ASSERT_EQ(0U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 4));
+
+ auto Cmp = [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
+ return VD1.Count > VD2.Count;
+ };
+ std::unique_ptr<InstrProfValueData[]> VD_0(
+ Record.getValueForSite(IPVK_IndirectCallTarget, 0));
+ std::sort(&VD_0[0], &VD_0[5], Cmp);
+ ASSERT_EQ(StringRef((const char *)VD_0[0].Value, 7), StringRef("callee2"));
+ ASSERT_EQ(1000U, VD_0[0].Count);
+ ASSERT_EQ(StringRef((const char *)VD_0[1].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(500U, VD_0[1].Count);
+ ASSERT_EQ(StringRef((const char *)VD_0[2].Value, 7), StringRef("callee1"));
+ ASSERT_EQ(400U, VD_0[2].Count);
+ ASSERT_EQ(StringRef((const char *)VD_0[3].Value, 7), StringRef("callee4"));
+ ASSERT_EQ(300U, VD_0[3].Count);
+ ASSERT_EQ(StringRef((const char *)VD_0[4].Value, 7), StringRef("callee5"));
+ ASSERT_EQ(100U, VD_0[4].Count);
+
+ std::unique_ptr<InstrProfValueData[]> VD_1(
+ Record.getValueForSite(IPVK_IndirectCallTarget, 1));
+ std::sort(&VD_1[0], &VD_1[4], Cmp);
+ ASSERT_EQ(StringRef((const char *)VD_1[0].Value, 7), StringRef("callee2"));
+ ASSERT_EQ(2500U, VD_1[0].Count);
+ ASSERT_EQ(StringRef((const char *)VD_1[1].Value, 7), StringRef("callee1"));
+ ASSERT_EQ(1300U, VD_1[1].Count);
+ ASSERT_EQ(StringRef((const char *)VD_1[2].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(1000U, VD_1[2].Count);
+ ASSERT_EQ(StringRef((const char *)VD_1[3].Value, 7), StringRef("callee5"));
+ ASSERT_EQ(800U, VD_1[3].Count);
+
+ std::unique_ptr<InstrProfValueData[]> VD_2(
+ Record.getValueForSite(IPVK_IndirectCallTarget, 2));
+ std::sort(&VD_2[0], &VD_2[3], Cmp);
+ ASSERT_EQ(StringRef((const char *)VD_2[0].Value, 7), StringRef("callee4"));
+ ASSERT_EQ(5500U, VD_2[0].Count);
+ ASSERT_EQ(StringRef((const char *)VD_2[1].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(1000U, VD_2[1].Count);
+ ASSERT_EQ(StringRef((const char *)VD_2[2].Value, 7), StringRef("callee6"));
+ ASSERT_EQ(800U, VD_2[2].Count);
+
+ std::unique_ptr<InstrProfValueData[]> VD_3(
+ Record.getValueForSite(IPVK_IndirectCallTarget, 3));
+ std::sort(&VD_3[0], &VD_3[2], Cmp);
+ ASSERT_EQ(StringRef((const char *)VD_3[0].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(2000U, VD_3[0].Count);
+ ASSERT_EQ(StringRef((const char *)VD_3[1].Value, 7), StringRef("callee2"));
+ ASSERT_EQ(1800U, VD_3[1].Count);
+
+ finalizeValueProfRuntimeRecord(&RTRecord);
+ free(VPData);
+}
+
TEST_F(InstrProfTest, get_max_function_count) {
InstrProfRecord Record1("foo", 0x1234, {1ULL << 31, 2});
InstrProfRecord Record2("bar", 0, {1ULL << 63});
ASSERT_EQ(1ULL << 63, Reader->getMaximumFunctionCount());
}
+TEST_F(InstrProfTest, get_weighted_function_counts) {
+ InstrProfRecord Record1("foo", 0x1234, {1, 2});
+ InstrProfRecord Record2("foo", 0x1235, {3, 4});
+ Writer.addRecord(std::move(Record1), 3);
+ Writer.addRecord(std::move(Record2), 5);
+ auto Profile = Writer.writeBuffer();
+ readProfile(std::move(Profile));
+
+ std::vector<uint64_t> Counts;
+ ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1234, Counts)));
+ ASSERT_EQ(2U, Counts.size());
+ ASSERT_EQ(3U, Counts[0]);
+ ASSERT_EQ(6U, Counts[1]);
+
+ ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1235, Counts)));
+ ASSERT_EQ(2U, Counts.size());
+ ASSERT_EQ(15U, Counts[0]);
+ ASSERT_EQ(20U, Counts[1]);
+}
+
+TEST_F(InstrProfTest, instr_prof_symtab_test) {
+ std::vector<StringRef> FuncNames;
+ FuncNames.push_back("func1");
+ FuncNames.push_back("func2");
+ FuncNames.push_back("func3");
+ FuncNames.push_back("bar1");
+ FuncNames.push_back("bar2");
+ FuncNames.push_back("bar3");
+ InstrProfSymtab Symtab;
+ Symtab.create(FuncNames);
+ StringRef R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func1"));
+ ASSERT_EQ(StringRef("func1"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func2"));
+ ASSERT_EQ(StringRef("func2"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func3"));
+ ASSERT_EQ(StringRef("func3"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar1"));
+ ASSERT_EQ(StringRef("bar1"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar2"));
+ ASSERT_EQ(StringRef("bar2"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar3"));
+ ASSERT_EQ(StringRef("bar3"), R);
+
+ // Now incrementally update the symtab
+ Symtab.addFuncName("blah_1");
+ Symtab.addFuncName("blah_2");
+ Symtab.addFuncName("blah_3");
+ // Finalize it
+ Symtab.finalizeSymtab();
+
+ // Check again
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_1"));
+ ASSERT_EQ(StringRef("blah_1"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_2"));
+ ASSERT_EQ(StringRef("blah_2"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("blah_3"));
+ ASSERT_EQ(StringRef("blah_3"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func1"));
+ ASSERT_EQ(StringRef("func1"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func2"));
+ ASSERT_EQ(StringRef("func2"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("func3"));
+ ASSERT_EQ(StringRef("func3"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar1"));
+ ASSERT_EQ(StringRef("bar1"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar2"));
+ ASSERT_EQ(StringRef("bar2"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash("bar3"));
+ ASSERT_EQ(StringRef("bar3"), R);
+}
+
+TEST_F(InstrProfTest, instr_prof_symtab_compression_test) {
+ std::vector<std::string> FuncNames1;
+ std::vector<std::string> FuncNames2;
+ for (int I = 0; I < 10 * 1024; I++) {
+ std::string str;
+ raw_string_ostream OS(str);
+ OS << "func_" << I;
+ FuncNames1.push_back(OS.str());
+ str.clear();
+ OS << "fooooooooooooooo_" << I;
+ FuncNames1.push_back(OS.str());
+ str.clear();
+ OS << "BAR_" << I;
+ FuncNames2.push_back(OS.str());
+ str.clear();
+ OS << "BlahblahBlahblahBar_" << I;
+ FuncNames2.push_back(OS.str());
+ }
+
+ for (int Padding = 0; Padding < 10; Padding++) {
+ for (int DoCompression = 0; DoCompression < 2; DoCompression++) {
+ // Compressing:
+ std::string FuncNameStrings1;
+ collectPGOFuncNameStrings(FuncNames1,
+ (DoCompression != 0 && zlib::isAvailable()),
+ FuncNameStrings1);
+
+ // Compressing:
+ std::string FuncNameStrings2;
+ collectPGOFuncNameStrings(FuncNames2,
+ (DoCompression != 0 && zlib::isAvailable()),
+ FuncNameStrings2);
+
+ // Join with paddings:
+ std::string FuncNameStrings = FuncNameStrings1;
+ for (int P = 0; P < Padding; P++) {
+ FuncNameStrings.push_back('\0');
+ }
+ FuncNameStrings += FuncNameStrings2;
+
+ // Now decompress:
+ InstrProfSymtab Symtab;
+ Symtab.create(StringRef(FuncNameStrings));
+
+ // Now do the checks:
+ // First sampling some data points:
+ StringRef R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames1[0]));
+ ASSERT_EQ(StringRef("func_0"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames1[1]));
+ ASSERT_EQ(StringRef("fooooooooooooooo_0"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames1[998]));
+ ASSERT_EQ(StringRef("func_499"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames1[999]));
+ ASSERT_EQ(StringRef("fooooooooooooooo_499"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames2[100]));
+ ASSERT_EQ(StringRef("BAR_50"), R);
+ R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames2[101]));
+ ASSERT_EQ(StringRef("BlahblahBlahblahBar_50"), R);
+ for (int I = 0; I < 10 * 1024; I++) {
+ std::string N[4];
+ N[0] = FuncNames1[2 * I];
+ N[1] = FuncNames1[2 * I + 1];
+ N[2] = FuncNames2[2 * I];
+ N[3] = FuncNames2[2 * I + 1];
+ for (int J = 0; J < 4; J++) {
+ StringRef R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(N[J]));
+ ASSERT_EQ(StringRef(N[J]), R);
+ }
+ }
+ }
+ }
+}
+
} // end anonymous namespace
projects / oota-llvm.git / blobdiff