[PATCH] D147368: [LoongArch] Optimize bitwise and with immediates

[WÁNG Xuěruì via Phabricator via llvm-commits]

xen0n added a comment.

I've just found there's no commit message. In general it could be helpful to include one or two short sentences describing the actual change, e.g. "Optimize bitfield extractions retaining bit positions with bstrpick + slli", because "optimize foo" otherwise doesn't carry useful information about the //actual// improvements.



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Comment at: llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp:1386
+        return SDValue();
+      // Return if the constand can be composed by a single ADDI with
+      // the zero register.
----------------
nit: "constant"


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  https://reviews.llvm.org/D147368/new/

https://reviews.llvm.org/D147368