llvm-for-llvmta/unittests/tools/llvm-exegesis/X86/SchedClassResolutionTest.cpp

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//===-- SchedClassResolutionTest.cpp ----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "SchedClassResolution.h"
#include <cassert>
#include <memory>
#include "TestBase.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace llvm {
namespace exegesis {
namespace {
using testing::Pair;
using testing::UnorderedElementsAre;
class SchedClassResolutionTest : public X86TestBase {
protected:
SchedClassResolutionTest() : STI(State.getSubtargetInfo()) {
// Compute the ProxResIdx of ports uses in tests.
const auto &SM = STI.getSchedModel();
for (unsigned I = 0, E = SM.getNumProcResourceKinds(); I < E; ++I) {
const std::string Name = SM.getProcResource(I)->Name;
if (Name == "HWPort0") {
P0Idx = I;
} else if (Name == "HWPort1") {
P1Idx = I;
} else if (Name == "HWPort5") {
P5Idx = I;
} else if (Name == "HWPort6") {
P6Idx = I;
} else if (Name == "HWPort05") {
P05Idx = I;
} else if (Name == "HWPort0156") {
P0156Idx = I;
}
}
EXPECT_NE(P0Idx, 0);
EXPECT_NE(P1Idx, 0);
EXPECT_NE(P5Idx, 0);
EXPECT_NE(P6Idx, 0);
EXPECT_NE(P05Idx, 0);
EXPECT_NE(P0156Idx, 0);
}
protected:
const MCSubtargetInfo &STI;
uint16_t P0Idx = 0;
uint16_t P1Idx = 0;
uint16_t P5Idx = 0;
uint16_t P6Idx = 0;
uint16_t P05Idx = 0;
uint16_t P0156Idx = 0;
};
TEST_F(SchedClassResolutionTest, ComputeIdealizedProcResPressure_2P0) {
const auto Pressure =
computeIdealizedProcResPressure(STI.getSchedModel(), {{P0Idx, 2}});
EXPECT_THAT(Pressure, UnorderedElementsAre(Pair(P0Idx, 2.0)));
}
TEST_F(SchedClassResolutionTest, ComputeIdealizedProcResPressure_2P05) {
const auto Pressure =
computeIdealizedProcResPressure(STI.getSchedModel(), {{P05Idx, 2}});
EXPECT_THAT(Pressure,
UnorderedElementsAre(Pair(P0Idx, 1.0), Pair(P5Idx, 1.0)));
}
TEST_F(SchedClassResolutionTest, ComputeIdealizedProcResPressure_2P05_2P0156) {
const auto Pressure = computeIdealizedProcResPressure(
STI.getSchedModel(), {{P05Idx, 2}, {P0156Idx, 2}});
EXPECT_THAT(Pressure,
UnorderedElementsAre(Pair(P0Idx, 1.0), Pair(P1Idx, 1.0),
Pair(P5Idx, 1.0), Pair(P6Idx, 1.0)));
}
TEST_F(SchedClassResolutionTest,
ComputeIdealizedProcResPressure_1P1_1P05_2P0156) {
const auto Pressure = computeIdealizedProcResPressure(
STI.getSchedModel(), {{P1Idx, 1}, {P05Idx, 1}, {P0156Idx, 2}});
EXPECT_THAT(Pressure,
UnorderedElementsAre(Pair(P0Idx, 1.0), Pair(P1Idx, 1.0),
Pair(P5Idx, 1.0), Pair(P6Idx, 1.0)));
}
} // namespace
} // namespace exegesis
} // namespace llvm