[PATCH] D50795: [DAG] Enhance X86 Register expression handling to more closely match GCC.

[Nirav Dave via Phabricator via llvm-commits]

niravd created this revision.
niravd added reviewers: rnk, void.
Herald added a subscriber: hiraditya.

Allow the comparison of x86 registers in the evaluation of assembler
directives. This generalizes and simplifies the extension from r334022 to catch another case 
found in the Linux kernel.


Repository:
  rL LLVM

https://reviews.llvm.org/D50795

Files:
  llvm/include/llvm/MC/MCExpr.h
  llvm/include/llvm/MC/MCParser/MCAsmParserUtils.h
  llvm/include/llvm/MC/MCParser/MCTargetAsmParser.h
  llvm/lib/MC/MCExpr.cpp
  llvm/lib/MC/MCParser/AsmParser.cpp
  llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
  llvm/lib/Target/X86/MCTargetDesc/X86MCExpr.h
  llvm/test/MC/X86/pr37425.s

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