#include "llvm/ProfileData/InstrProfReader.h"
#include "llvm/ProfileData/InstrProfWriter.h"
+#include "llvm/Support/Compression.h"
#include "gtest/gtest.h"
#include <cstdarg>
}
TEST_F(InstrProfTest, get_icall_data_merge1) {
- 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});
+ 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}};
+ 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}};
+ 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}};
+ 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}};
+ 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}};
+ 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, nullptr, 0, nullptr);
- InstrProfValueData VD22[] = {{(uint64_t) "callee2", 1},
- {(uint64_t) "callee3", 3},
- {(uint64_t) "callee4", 4}};
+ 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, nullptr, 0, nullptr);
- InstrProfValueData VD42[] = {{(uint64_t) "callee1", 1},
- {(uint64_t) "callee2", 2},
- {(uint64_t) "callee3", 3}};
+ 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));
}
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 Result2 = Writer.addRecord(std::move(Record2));
ASSERT_EQ(Result2, instrprof_error::counter_overflow);
- InstrProfRecord Record3("bar", 0x9012, {8});
+ 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}};
+ 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}};
+ 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);
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
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