[PATCH] D158399: [WebAssembly] Optimize vector shift using a splat value from outside block

Thu Aug 24 03:11:07 PDT 2023

YolandaCY added a comment.

In D158399#4607933 <https://reviews.llvm.org/D158399#4607933>, @craig.topper wrote:

> Could this use the `TargetLowering::shouldSinkOperands` hook to get CodeGenPrepare to move the splat into the loop. ARM, X86, and RISC-V all do that.

Thanks for the suggestion! I have revised the code to use this existing hook. Please help take a look again. @craig.topper @tlively Thanks!

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https://reviews.llvm.org/D158399