[llvm-bugs] [Bug 11024] llc is taking 2000x time to compile for ARM target than for x86

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=11024

Renato Golin <renato.golin at linaro.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
                 CC|                            |renato.golin at linaro.org
         Resolution|---                         |FIXED

--- Comment #15 from Renato Golin <renato.golin at linaro.org> ---
(In reply to comment #10)
> OK I just reopen this topic to add this comment. I've checked with trunc and
> now it runs in 10 secs, so however this is a 10x improvement, it is still
> 100x slower than for x86 target.

This IR is too old, trunk doesn't accept it. If this is still an issue, please
attach an IR that trunk can consume and reopen.


> As you can see, now ARM Instruction selection is taking most of the time.

The same was true in the x86 case, I don't think that's an issue, since that's
the bulk of the work anyway.

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