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e7b8243e9a
Add these tests again, but use va_list instead of initializer lists. This reverts r229456, reapplying r229455. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229478 91177308-0d34-0410-b5e6-96231b3b80d8
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
//===- 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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using namespace llvm;
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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 addCounts(StringRef Name, uint64_t Hash, int NumCounts, ...) {
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SmallVector<uint64_t, 8> Counts;
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va_list Args;
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va_start(Args, NumCounts);
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for (int I = 0; I < NumCounts; ++I)
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Counts.push_back(va_arg(Args, uint64_t));
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va_end(Args);
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Writer.addFunctionCounts(Name, Hash, Counts);
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}
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std::string writeProfile() { return Writer.writeString(); }
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void readProfile(std::string Profile) {
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auto ReaderOrErr =
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IndexedInstrProfReader::create(MemoryBuffer::getMemBuffer(Profile));
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ASSERT_EQ(std::error_code(), 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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std::string Profile = writeProfile();
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readProfile(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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addCounts("foo", 0x1234, 4, 1ULL, 2ULL, 3ULL, 4ULL);
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std::string Profile = writeProfile();
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readProfile(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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addCounts("foo", 0x1234, 2, 1ULL, 2ULL);
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std::string Profile = writeProfile();
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readProfile(Profile);
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std::vector<uint64_t> Counts;
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std::error_code EC;
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EC = Reader->getFunctionCounts("foo", 0x1234, Counts);
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ASSERT_EQ(instrprof_error::success, EC);
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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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EC = Reader->getFunctionCounts("foo", 0x5678, Counts);
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ASSERT_EQ(instrprof_error::hash_mismatch, EC);
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EC = Reader->getFunctionCounts("bar", 0x1234, Counts);
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ASSERT_EQ(instrprof_error::unknown_function, EC);
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}
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TEST_F(InstrProfTest, get_max_function_count) {
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addCounts("foo", 0x1234, 2, 1ULL << 31, 2ULL);
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addCounts("bar", 0, 1, 1ULL << 63);
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addCounts("baz", 0x5678, 4, 0ULL, 0ULL, 0ULL, 0ULL);
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std::string Profile = writeProfile();
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readProfile(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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