[llvm-dev] Override TargetOptions for block of code?

[Jason via llvm-dev]

Is there any way to provide the inverse? Ie, fast math enabled by default,
but disable rcp using the flags for a specific div?

On Wed, Jun 28, 2017 at 10:53 AM, Hal Finkel <hfinkel at anl.gov> wrote:

> Hi, Jason,
>
> You shouldn't need to use UsafeFPMath at all now. Instead, use fast-math
> flags on the relevant instructions. See: http://llvm.org/docs/LangRef.
> html#fast-math-flags
>
>  -Hal
> On 06/28/2017 12:29 PM, Jason via llvm-dev wrote:
>
> Hi, we generally run our JIT with UnsafeFPMath enabled, but there are a
> few specific instances where a block of code needs to follow strict FPMath.
> Is there a way to temporarily override TargetOptions for a specific block
> of IR?
>
>
>
>
> _______________________________________________
> LLVM Developers mailing listllvm-dev at lists.llvm.orghttp://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>
>
> --
> Hal Finkel
> Lead, Compiler Technology and Programming Languages
> Leadership Computing Facility
> Argonne National Laboratory
>
>
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