-//===- unittest/ProfileData/InstrProfTest.cpp -------------------------------=//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ProfileData/InstrProfReader.h"
-#include "llvm/ProfileData/InstrProfWriter.h"
-#include "gtest/gtest.h"
-
-#include <cstdarg>
-
-using namespace llvm;
-
-namespace {
-
-struct InstrProfTest : ::testing::Test {
- InstrProfWriter Writer;
- std::unique_ptr<IndexedInstrProfReader> Reader;
-
- void addCounts(StringRef Name, uint64_t Hash, int NumCounts, ...) {
- SmallVector<uint64_t, 8> Counts;
- va_list Args;
- va_start(Args, NumCounts);
- for (int I = 0; I < NumCounts; ++I)
- Counts.push_back(va_arg(Args, uint64_t));
- va_end(Args);
- Writer.addFunctionCounts(Name, Hash, Counts);
- }
-
- std::string writeProfile() { return Writer.writeString(); }
- void readProfile(std::string Profile) {
- auto ReaderOrErr =
- IndexedInstrProfReader::create(MemoryBuffer::getMemBuffer(Profile));
- ASSERT_EQ(std::error_code(), ReaderOrErr.getError());
- Reader = std::move(ReaderOrErr.get());
- }
-};
-
-TEST_F(InstrProfTest, write_and_read_empty_profile) {
- std::string Profile = writeProfile();
- readProfile(Profile);
- ASSERT_TRUE(Reader->begin() == Reader->end());
-}
-
-TEST_F(InstrProfTest, write_and_read_one_function) {
- addCounts("foo", 0x1234, 4, 1ULL, 2ULL, 3ULL, 4ULL);
- std::string Profile = writeProfile();
- readProfile(Profile);
-
- auto I = Reader->begin(), E = Reader->end();
- ASSERT_TRUE(I != E);
- ASSERT_EQ(StringRef("foo"), I->Name);
- ASSERT_EQ(0x1234U, I->Hash);
- ASSERT_EQ(4U, I->Counts.size());
- ASSERT_EQ(1U, I->Counts[0]);
- ASSERT_EQ(2U, I->Counts[1]);
- ASSERT_EQ(3U, I->Counts[2]);
- ASSERT_EQ(4U, I->Counts[3]);
- ASSERT_TRUE(++I == E);
-}
-
-TEST_F(InstrProfTest, get_function_counts) {
- addCounts("foo", 0x1234, 2, 1ULL, 2ULL);
- std::string Profile = writeProfile();
- readProfile(Profile);
-
- std::vector<uint64_t> Counts;
- std::error_code EC;
-
- EC = Reader->getFunctionCounts("foo", 0x1234, Counts);
- ASSERT_EQ(instrprof_error::success, EC);
- ASSERT_EQ(2U, Counts.size());
- ASSERT_EQ(1U, Counts[0]);
- ASSERT_EQ(2U, Counts[1]);
-
- EC = Reader->getFunctionCounts("foo", 0x5678, Counts);
- ASSERT_EQ(instrprof_error::hash_mismatch, EC);
-
- EC = Reader->getFunctionCounts("bar", 0x1234, Counts);
- ASSERT_EQ(instrprof_error::unknown_function, EC);
-}
-
-TEST_F(InstrProfTest, get_max_function_count) {
- addCounts("foo", 0x1234, 2, 1ULL << 31, 2ULL);
- addCounts("bar", 0, 1, 1ULL << 63);
- addCounts("baz", 0x5678, 4, 0ULL, 0ULL, 0ULL, 0ULL);
- std::string Profile = writeProfile();
- readProfile(Profile);
-
- ASSERT_EQ(1ULL << 63, Reader->getMaximumFunctionCount());
-}
-
-} // end anonymous namespace