#include "llvm/ProfileData/InstrProfReader.h"
#include "llvm/ProfileData/InstrProfWriter.h"
+#include "llvm/Support/Compression.h"
#include "gtest/gtest.h"
#include <cstdarg>
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 check
+ 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