Benjamin Kramer f7fdee3ce3 MC: Overhaul handling of .lcomm
- Darwin lied about not supporting .lcomm and turned it into zerofill in the
  asm parser. Push the zerofill-conversion down into macho-specific code.
- This makes the tri-state LCOMMType enum superfluous, there are no targets
  without .lcomm.
- Do proper error reporting when trying to use .lcomm with alignment on a target
  that doesn't support it.
- .comm and .lcomm alignment was parsed in bytes on COFF, should be power of 2.
- Fixes PR13755 (.lcomm crashes on ELF).

llvm-svn: 163395
2012-09-07 17:25:13 +00:00
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2012-08-02 08:35:55 +00:00
2012-09-07 17:25:13 +00:00
2012-09-07 17:25:13 +00:00