[GHC] #10394: LLVM mangler doesn't mangle AVX instructions

[GHC]

#10394: LLVM mangler doesn't mangle AVX instructions
-------------------------------------+-------------------------------------
              Reporter:  dobenour    |             Owner:
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:  7.12.1
             Component:  Compiler    |           Version:  7.11
  (LLVM)                             |  Operating System:  Unknown/Multiple
              Keywords:              |   Type of failure:  Runtime crash
          Architecture:              |        Blocked By:
  Unknown/Multiple                   |   Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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 The LLVM mangler does not currently transform AVX instructions on x86-64
 platforms, due to a missing #include. Also, it is significantly more
 complicated than necessary, due to the file into sections (not needed
 anymore), and is sensitive to the details of the whitespace in the
 assembly.

 I have attached a modified mangler that I believe to be simpler and more
 robust. I have not tested it, though, as I do not have a recent enough
 version of LLVM on my machine.

 I am marking this as `Runtime crash' because that is what would happen if
 the unchanged AVX instructions made their way into the executable.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10394>
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