add a couple more aliases, rdar://8456378


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114821 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 8252ea9..da37665 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -634,6 +634,8 @@
     .Case("repnz", "repne")
     .Case("iret", "iretl")
     .Case("sysret", "sysretl")
+    .Case("cwde", "cwtl")
+    .Case("cdqe", "cltq")
     .Case("smovb", "movsb")
     .Case("smovw", "movsw")
     .Case("smovl", "movsl")