[PATCH] D95422: [RISCV] Copy isUnneededShiftMask from X86.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 319707.
craig.topper added a comment.

Add dedicated test cases. Add rv64 command line to existing redundant shift mask test.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95422/new/

https://reviews.llvm.org/D95422

Files:
  llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
  llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h
  llvm/lib/Target/RISCV/RISCVInstrInfo.td
  llvm/test/CodeGen/RISCV/atomic-cmpxchg.ll
  llvm/test/CodeGen/RISCV/atomic-rmw.ll
  llvm/test/CodeGen/RISCV/shift-masked-shamt.ll

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