[PATCH] D86118: [MC] Resolve the difference of symbols in consecutive MCDataFragements

[Jian Cai via Phabricator via llvm-commits]

jcai19 created this revision.
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Try to resolve the difference of two symbols in consecutive MCDataFragments.
This is important for an idiom like "foo:instr; .if . - foo; instr; .endif"
(https://bugs.llvm.org/show_bug.cgi?id=43795).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D86118

Files:
  llvm/include/llvm/MC/MCFragment.h
  llvm/lib/MC/MCExpr.cpp
  llvm/test/MC/ARM/directive_if_offset.s
  llvm/test/MC/ARM/directive_if_offset_error.s
  llvm/test/MC/ARM/thumb2_directive_if_offset_error.s

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