[PATCH] D90760: [InstCombiner] Make LibCallSimplifier add extension attribute to ldexp arg.

Jonas Paulsson via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Nov 9 08:09:39 PST 2020


jonpa added a comment.

> So, can you try if the miscompile goes away if you manually annotate the @ldexp declaration in IR with said signext?

It seems that it is enough to have either the signext on the call operand or in the declaration, for the extension to be emitted by the SystemZ backend.


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  https://reviews.llvm.org/D90760/new/

https://reviews.llvm.org/D90760



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