llvm-project

f734cebc - [LoongArch] Initial implementation for `enableMemCmpExpansion` hook (#166526)

[LoongArch] Initial implementation for `enableMemCmpExpansion` hook (#166526) After overriding `TargetTransformInfo::enableMemCmpExpansion` in this commit, `MergeICmps` and `ExpandMemCmp` passes will be enabled on LoongArch.