llvm/unittests/tools/llvm-exegesis/X86/AssemblerTest.cpp

//===-- AssemblerTest.cpp ---------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "../Common/AssemblerUtils.h"
#include "X86InstrInfo.h"

namespace exegesis {

void InitializeX86ExegesisTarget();

namespace {

using llvm::MCInstBuilder;
using llvm::X86::EAX;
using llvm::X86::MOV32ri;
using llvm::X86::MOV64ri32;
using llvm::X86::RAX;
using llvm::X86::XOR32rr;

class X86MachineFunctionGeneratorTest
    : public MachineFunctionGeneratorBaseTest {
protected:
  X86MachineFunctionGeneratorTest()
      : MachineFunctionGeneratorBaseTest("x86_64-unknown-linux", "haswell") {}

  static void SetUpTestCase() {
    LLVMInitializeX86TargetInfo();
    LLVMInitializeX86TargetMC();
    LLVMInitializeX86Target();
    LLVMInitializeX86AsmPrinter();
    InitializeX86ExegesisTarget();
  }
};

TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunction) {
  Check(ExegesisTarget::getDefault(), {}, llvm::MCInst(), 0xc3);
}

TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunctionXOR32rr_Default) {
  Check(ExegesisTarget::getDefault(), {EAX},
        MCInstBuilder(XOR32rr).addReg(EAX).addReg(EAX).addReg(EAX), 0x31, 0xc0,
        0xc3);
}

TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunctionXOR32rr_X86) {
  const auto *ET = ExegesisTarget::lookup(llvm::Triple("x86_64-unknown-linux"));
  ASSERT_NE(ET, nullptr);
  Check(*ET, {EAX}, MCInstBuilder(XOR32rr).addReg(EAX).addReg(EAX).addReg(EAX),
        // mov eax, 1
        0xb8, 0x01, 0x00, 0x00, 0x00,
        // xor eax, eax
        0x31, 0xc0, 0xc3);
}

TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunctionMOV64ri) {
  Check(ExegesisTarget::getDefault(), {},
        MCInstBuilder(MOV64ri32).addReg(RAX).addImm(42), 0x48, 0xc7, 0xc0, 0x2a,
        0x00, 0x00, 0x00, 0xc3);
}

TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunctionMOV32ri) {
  Check(ExegesisTarget::getDefault(), {},
        MCInstBuilder(MOV32ri).addReg(EAX).addImm(42), 0xb8, 0x2a, 0x00, 0x00,
        0x00, 0xc3);
}

} // namespace
} // namespace exegesis