add some disassemble testcases for weird instructions
llvm-svn: 96045
diff --git a/llvm/test/MC/Disassembler/simple-tests.txt b/llvm/test/MC/Disassembler/simple-tests.txt
index 1e3249f..376748a 100644
--- a/llvm/test/MC/Disassembler/simple-tests.txt
+++ b/llvm/test/MC/Disassembler/simple-tests.txt
@@ -13,3 +13,17 @@
# CHECK: callq -1234
0xe8 0x2e 0xfb 0xff 0xff
+# CHECK: lfence
+0x0f 0xae 0xe8
+
+# CHECK: mfence
+0x0f 0xae 0xf0
+
+# CHECK: monitor
+0x0f 0x01 0xc8
+
+# CHECK: mwait
+0x0f 0x01 0xc9
+
+# CHECK: vmcall
+0x0f 0x01 0xc1