[PATCH] D116930: [DAGCombine] Fold SRA of a load into a narrower sign-extending load

[Bjorn Pettersson via Phabricator via llvm-commits]

bjope updated this revision to Diff 399296.
bjope added a comment.

Rebased upon https://reviews.llvm.org/D117104

The new parent revision contains some refactoring of the old SRL folds, as well as updated code comments.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116930/new/

https://reviews.llvm.org/D116930

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/PowerPC/pr13891.ll
  llvm/test/CodeGen/X86/combine-sra-load.ll

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