[X86] Fix incomplete handling of register-assigned variables in parsing.
Teach x86 assembly operand parsing to distinguish between assembler
variable assigned to named registers and those assigned to immediate
Reviewers: rnk, nickdesaulniers, void
Subscribers: hiraditya, jyknight, llvm-commits
Differential Revision: https://reviews.llvm.org/D56287
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350966 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed