[PATCH] D14792: Have 'optnone' respect -fast-isel=false

[Eric Christopher via llvm-commits]

Just make it an enum ala FloatABI with a Default, SelectionDAG, FastISel
and use that everywhere?

-eric

On Thu, Nov 19, 2015 at 5:59 PM Paul Robinson <
Paul_Robinson at playstation.sony.com> wrote:

> probinson added inline comments.
>
> ================
> Comment at: include/llvm/Target/TargetMachine.h:105
> @@ -104,2 +104,3 @@
>    unsigned RequireStructuredCFG : 1;
> +  unsigned OptnoneUsesFastISel : 1;
>
> ----------------
> echristo wrote:
> > No need for this.
> This is where LLVMTargetMachine records the state of the -fast-isel
> command-line option, which SelectionDAGISel needs.  SelectionDAGISel does
> not have direct access to the EnableFastISelOption flag.
>
> Unless you're now saying 'optnone' must always use FastISel? That wasn't
> the conclusion in the llvm-dev thread.
>
>
> http://reviews.llvm.org/D14792
>
>
>
>
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