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llvm-mirror/unittests/tools/llvm-exegesis/PerfHelperTest.cpp
Fangrui Song edf37d23b8 [llvm-exegesis] Move namespace exegesis inside llvm::
Summary:
This allows simplifying references of llvm::foo with foo when the needs
come in the future.

Reviewers: courbet, gchatelet

Reviewed By: gchatelet

Subscribers: javed.absar, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D53455

llvm-svn: 344922
2018-10-22 17:10:47 +00:00

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1.4 KiB
C++

//===-- PerfHelperTest.cpp --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "PerfHelper.h"
#include "llvm/Config/config.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace llvm {
namespace exegesis {
namespace pfm {
namespace {
using ::testing::IsEmpty;
using ::testing::Not;
TEST(PerfHelperTest, FunctionalTest) {
#ifdef HAVE_LIBPFM
ASSERT_FALSE(pfmInitialize());
const PerfEvent SingleEvent("CYCLES:u");
const auto &EmptyFn = []() {};
std::string CallbackEventName;
std::string CallbackEventNameFullyQualifed;
int64_t CallbackEventCycles;
Measure(llvm::makeArrayRef(SingleEvent),
[&](const PerfEvent &Event, int64_t Value) {
CallbackEventName = Event.name();
CallbackEventNameFullyQualifed = Event.getPfmEventString();
CallbackEventCycles = Value;
},
EmptyFn);
EXPECT_EQ(CallbackEventName, "CYCLES:u");
EXPECT_THAT(CallbackEventNameFullyQualifed, Not(IsEmpty()));
pfmTerminate();
#else
ASSERT_TRUE(pfmInitialize());
#endif
}
} // namespace
} // namespace pfm
} // namespace exegesis
} // namespace llvm