[PATCH] D109124: [ARM] Implement target hook function to decide folding (mul (add x, c1), c2)

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.

Saving it for later sounds OK to me, but what made Thumb difficult out of interest?


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  https://reviews.llvm.org/D109124/new/

https://reviews.llvm.org/D109124