1 files changed, 57 insertions, 0 deletions
diff --git a/llvm/unittests/tools/llvm-exegesis/X86/AssemblerTest.cpp b/llvm/unittests/tools/llvm-exegesis/X86/AssemblerTest.cpp
new file mode 100644
index 00000000000..e1c36e2dd99
--- /dev/null
+++ b/llvm/unittests/tools/llvm-exegesis/X86/AssemblerTest.cpp
@@ -0,0 +1,57 @@
+//===-- 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 {
+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();
+  }
+};
+
+TEST_F(X86MachineFunctionGeneratorTest, JitFunction) {
+  Check(llvm::MCInst(), 0xc3);
+}
+
+TEST_F(X86MachineFunctionGeneratorTest, JitFunctionXOR32rr) {
+  Check(MCInstBuilder(XOR32rr).addReg(EAX).addReg(EAX).addReg(EAX), 0x31, 0xc0,
+        0xc3);
+}
+
+TEST_F(X86MachineFunctionGeneratorTest, JitFunctionMOV64ri) {
+  Check(MCInstBuilder(MOV64ri32).addReg(RAX).addImm(42), 0x48, 0xc7, 0xc0, 0x2a,
+        0x00, 0x00, 0x00, 0xc3);
+}
+
+TEST_F(X86MachineFunctionGeneratorTest, JitFunctionMOV32ri) {
+  Check(MCInstBuilder(MOV32ri).addReg(EAX).addImm(42), 0xb8, 0x2a, 0x00, 0x00,
+        0x00, 0xc3);
+}
+
+} // namespace
+} // namespace exegesis