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

   1 //===-- AssemblerTest.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 "../Common/AssemblerUtils.h"
  10 #include "X86InstrInfo.h"
  11
  12 namespace llvm {
  13 namespace exegesis {
  14
  15 void InitializeX86ExegesisTarget();
  16
  17 namespace {
  18
  19 using llvm::MCInstBuilder;
  20 using llvm::X86::EAX;
  21 using llvm::X86::MOV32ri;
  22 using llvm::X86::MOV64ri32;
  23 using llvm::X86::RAX;
  24 using llvm::X86::XOR32rr;
  25
  26 class X86MachineFunctionGeneratorTest
  27     : public MachineFunctionGeneratorBaseTest {
  28 protected:
  29   X86MachineFunctionGeneratorTest()
  30       : MachineFunctionGeneratorBaseTest("x86_64-unknown-linux", "haswell") {}
  31
  32   static void SetUpTestCase() {
  33     LLVMInitializeX86TargetInfo();
  34     LLVMInitializeX86TargetMC();
  35     LLVMInitializeX86Target();
  36     LLVMInitializeX86AsmPrinter();
  37     InitializeX86ExegesisTarget();
  38   }
  39 };
  40
  41 TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunction) {
  42   Check({}, llvm::MCInst(), 0xc3);
  43 }
  44
  45 TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunctionXOR32rr_X86) {
  46   Check({{EAX, llvm::APInt(32, 1)}},
  47         MCInstBuilder(XOR32rr).addReg(EAX).addReg(EAX).addReg(EAX),
  48         // mov eax, 1
  49         0xb8, 0x01, 0x00, 0x00, 0x00,
  50         // xor eax, eax
  51         0x31, 0xc0, 0xc3);
  52 }
  53
  54 TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunctionMOV64ri) {
  55   Check({}, MCInstBuilder(MOV64ri32).addReg(RAX).addImm(42), 0x48, 0xc7, 0xc0,
  56         0x2a, 0x00, 0x00, 0x00, 0xc3);
  57 }
  58
  59 TEST_F(X86MachineFunctionGeneratorTest, DISABLED_JitFunctionMOV32ri) {
  60   Check({}, MCInstBuilder(MOV32ri).addReg(EAX).addImm(42), 0xb8, 0x2a, 0x00,
  61         0x00, 0x00, 0xc3);
  62 }
  63
  64 } // namespace
  65 } // namespace exegesis
  66 } // namespace llvm