[llvm-dev] extra loads in nested for-loop

[Krzysztof Parzyszek via llvm-dev]

On 7/11/2016 6:21 PM, Phil Tomson wrote:
>
> In the context of this particular function wouldn't alias analysis be
> able to figure out that there is no alias to a?

They are function parameters, so there is no way to tell if they are 
aliased or by looking at the function's body.  You can try using 
"restrict" to tell the compiler that they are not, if that is the case 
in your program.

-Krzysztof

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