2015-02-18 09:58:17 +08:00
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//===- unittest/ProfileData/InstrProfTest.cpp -------------------------------=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ProfileData/InstrProfReader.h"
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#include "llvm/ProfileData/InstrProfWriter.h"
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#include "gtest/gtest.h"
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#include <cstdarg>
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using namespace llvm;
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static ::testing::AssertionResult NoError(std::error_code EC) {
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if (!EC)
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return ::testing::AssertionSuccess();
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return ::testing::AssertionFailure() << "error " << EC.value()
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<< ": " << EC.message();
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}
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static ::testing::AssertionResult ErrorEquals(std::error_code Expected,
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std::error_code Found) {
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if (Expected == Found)
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return ::testing::AssertionSuccess();
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return ::testing::AssertionFailure() << "error " << Found.value()
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<< ": " << Found.message();
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}
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namespace {
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struct InstrProfTest : ::testing::Test {
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InstrProfWriter Writer;
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std::unique_ptr<IndexedInstrProfReader> Reader;
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void readProfile(std::unique_ptr<MemoryBuffer> Profile) {
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auto ReaderOrErr = IndexedInstrProfReader::create(std::move(Profile));
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ASSERT_TRUE(NoError(ReaderOrErr.getError()));
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Reader = std::move(ReaderOrErr.get());
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}
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};
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TEST_F(InstrProfTest, write_and_read_empty_profile) {
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auto Profile = Writer.writeBuffer();
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readProfile(std::move(Profile));
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ASSERT_TRUE(Reader->begin() == Reader->end());
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}
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TEST_F(InstrProfTest, write_and_read_one_function) {
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Writer.addFunctionCounts("foo", 0x1234, {1, 2, 3, 4});
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auto Profile = Writer.writeBuffer();
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readProfile(std::move(Profile));
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auto I = Reader->begin(), E = Reader->end();
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ASSERT_TRUE(I != E);
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ASSERT_EQ(StringRef("foo"), I->Name);
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ASSERT_EQ(0x1234U, I->Hash);
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ASSERT_EQ(4U, I->Counts.size());
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ASSERT_EQ(1U, I->Counts[0]);
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ASSERT_EQ(2U, I->Counts[1]);
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ASSERT_EQ(3U, I->Counts[2]);
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ASSERT_EQ(4U, I->Counts[3]);
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ASSERT_TRUE(++I == E);
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}
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TEST_F(InstrProfTest, get_function_counts) {
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Writer.addFunctionCounts("foo", 0x1234, {1, 2});
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2015-06-23 07:56:53 +08:00
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Writer.addFunctionCounts("foo", 0x1235, {3, 4});
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2015-02-18 09:58:17 +08:00
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auto Profile = Writer.writeBuffer();
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readProfile(std::move(Profile));
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std::vector<uint64_t> Counts;
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ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1234, Counts)));
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ASSERT_EQ(2U, Counts.size());
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ASSERT_EQ(1U, Counts[0]);
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ASSERT_EQ(2U, Counts[1]);
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2015-06-23 07:56:53 +08:00
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ASSERT_TRUE(NoError(Reader->getFunctionCounts("foo", 0x1235, Counts)));
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ASSERT_EQ(2U, Counts.size());
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ASSERT_EQ(3U, Counts[0]);
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ASSERT_EQ(4U, Counts[1]);
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2015-02-18 09:58:17 +08:00
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std::error_code EC;
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EC = Reader->getFunctionCounts("foo", 0x5678, Counts);
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ASSERT_TRUE(ErrorEquals(instrprof_error::hash_mismatch, EC));
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EC = Reader->getFunctionCounts("bar", 0x1234, Counts);
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ASSERT_TRUE(ErrorEquals(instrprof_error::unknown_function, EC));
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}
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TEST_F(InstrProfTest, get_max_function_count) {
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Writer.addFunctionCounts("foo", 0x1234, {1ULL << 31, 2});
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Writer.addFunctionCounts("bar", 0, {1ULL << 63});
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Writer.addFunctionCounts("baz", 0x5678, {0, 0, 0, 0});
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auto Profile = Writer.writeBuffer();
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readProfile(std::move(Profile));
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ASSERT_EQ(1ULL << 63, Reader->getMaximumFunctionCount());
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}
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} // end anonymous namespace
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