Undo r350355 "[X86] Remove terrible DX Register parsing hack in parse operand. NFCI."
authorNirav Dave <niravd@google.com>
Fri, 4 Jan 2019 17:11:15 +0000 (17:11 +0000)
committerNirav Dave <niravd@google.com>
Fri, 4 Jan 2019 17:11:15 +0000 (17:11 +0000)
commit1468d6e1c5583758d3ceeff818dcb22db9dbb9d8
tree4f6ea16bf3b145fd92d3833f2c4de3c2074a56d7
parentdcf2edcdf5776772c3ab969464935d2a721a7b45
Undo r350355 "[X86] Remove terrible DX Register parsing hack in parse operand. NFCI."

Add missing test case and update comments.

llvm-svn: 350406
llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
llvm/lib/Target/X86/AsmParser/X86Operand.h