[llvm-bugs] [Bug 17686] static_casting to a large unsigned long long from a double causes an FPE

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=17686

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Fixed By Commit(s)|                            |348251
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #10 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
(In reply to Paul.Zimmermann from comment #8)
> I suggest to change the code as follows:
> 
> result = select (x < 0x8000000000000000), fp_to_sint(x), 0x8000000000000000
> + fp_to_sint(x - 0x8000000000000000)
> 
> This should not raise any exception.

Fixed by rL348251 which added a TargetLowering::shouldUseStrictFP_TO_INT
override to allow the opt-in use of the above code.

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