[PATCH] D147406: [LoongArch] Optimize multiplication with immediates

[Ben Shi via Phabricator via llvm-commits]

benshi001 added inline comments.


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Comment at: llvm/test/CodeGen/LoongArch/ir-instruction/mul.ll:1164
 ; LA32-NEXT:    mulh.wu $a3, $a0, $a2
 ; LA32-NEXT:    add.w $a1, $a3, $a1
 ; LA32-NEXT:    mul.w $a0, $a0, $a2
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This is not optimized due to the immiedate is used twice, by `mul.w` and `mulh.w`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147406/new/

https://reviews.llvm.org/D147406