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comparison unittests/tools/llvm-exegesis/PowerPC/TargetTest.cpp @ 148:63bd29f05246

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merged
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 19:46:37 +0900
parents c2174574ed3a
children
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146:3fc4d5c3e21e 148:63bd29f05246
1 //===-- TargetTest.cpp ---------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "Target.h"
10
11 #include <cassert>
12 #include <memory>
13
14 #include "MCTargetDesc/PPCMCTargetDesc.h"
15 #include "llvm/Support/TargetRegistry.h"
16 #include "llvm/Support/TargetSelect.h"
17 #include "gmock/gmock.h"
18 #include "gtest/gtest.h"
19
20 namespace llvm{
21 namespace exegesis {
22
23 void InitializePowerPCExegesisTarget();
24
25 namespace {
26
27 using testing::NotNull;
28 using testing::IsEmpty;
29 using testing::Not;
30
31 constexpr const char kTriple[] = "powerpc64le-unknown-linux";
32
33 class PowerPCTargetTest : public ::testing::Test {
34 protected:
35 PowerPCTargetTest()
36 : ExegesisTarget_(ExegesisTarget::lookup(llvm::Triple(kTriple))) {
37 EXPECT_THAT(ExegesisTarget_, NotNull());
38 std::string error;
39 Target_ = llvm::TargetRegistry::lookupTarget(kTriple, error);
40 EXPECT_THAT(Target_, NotNull());
41 }
42 static void SetUpTestCase() {
43 LLVMInitializePowerPCTargetInfo();
44 LLVMInitializePowerPCTarget();
45 LLVMInitializePowerPCTargetMC();
46 InitializePowerPCExegesisTarget();
47 }
48
49 const llvm::Target *Target_;
50 const ExegesisTarget *const ExegesisTarget_;
51 };
52
53 TEST_F(PowerPCTargetTest, SetRegToConstant) {
54 const std::unique_ptr<llvm::MCSubtargetInfo> STI(
55 Target_->createMCSubtargetInfo(kTriple, "generic", ""));
56 const auto Insts =
57 ExegesisTarget_->setRegTo(*STI, llvm::PPC::X0, llvm::APInt());
58 EXPECT_THAT(Insts, Not(IsEmpty()));
59 }
60
61 TEST_F(PowerPCTargetTest, DefaultPfmCounters) {
62 const std::string Expected = "CYCLES";
63 EXPECT_EQ(ExegesisTarget_->getPfmCounters("").CycleCounter, Expected);
64 EXPECT_EQ(ExegesisTarget_->getPfmCounters("unknown_cpu").CycleCounter,
65 Expected);
66 }
67
68 } // namespace
69 } // namespace exegesis
70 } // namespace llvm