[PATCH] D158832: [LoongArch] Optimize (and (a & ~((2^^X - 1) << Y)) to (bstrins a, zero, X+Y-1, Y)

[Lu Weining via Phabricator via llvm-commits]

SixWeining created this revision.
SixWeining added reviewers: xen0n, wangleiat, xry111.
Herald added a subscriber: hiraditya.
Herald added a project: All.
SixWeining requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Inspired by D158384 <https://reviews.llvm.org/D158384>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D158832

Files:
  llvm/lib/Target/LoongArch/LoongArchInstrInfo.td
  llvm/test/CodeGen/LoongArch/alloca.ll
  llvm/test/CodeGen/LoongArch/atomicrmw-uinc-udec-wrap.ll
  llvm/test/CodeGen/LoongArch/ir-instruction/and.ll
  llvm/test/CodeGen/LoongArch/ir-instruction/atomic-cmpxchg.ll
  llvm/test/CodeGen/LoongArch/ir-instruction/atomicrmw-minmax.ll
  llvm/test/CodeGen/LoongArch/ir-instruction/atomicrmw.ll
  llvm/test/CodeGen/LoongArch/stack-realignment-with-variable-sized-objects.ll
  llvm/test/CodeGen/LoongArch/vararg.ll

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