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

Krzysztof Parzyszek via llvm-dev llvm-dev at lists.llvm.org
Mon Jul 11 14:20:29 PDT 2016

On 7/11/2016 3:27 PM, Phil Tomson via llvm-dev wrote:
> I guess I'm a bit surprised that -O3 wouldn't automatically do what I've
> done in the second version of the C code when generating code from the
> first version?

This is most likely because a, b, and c are assumed to be aliased.


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