[PATCH] D52293: [TLI][X86][AArch64] Generalize isDesirableToCommuteWithShift() hook and enable for X86

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Oct 11 11:09:41 PDT 2018

Previous message: [llvm] r344270 - [X86] Restore X86ISelDAGToDAG::matchBEXTRFromAnd. Teach address matching to create a BEXTR pattern from a (shl (and X, mask >> C1) if C1 can be folded into addressing mode.
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lebedev.ri added a comment.

Does not appear to be worthwhile; effectively superseeded by https://reviews.llvm.org/D53126.


Repository:
  rL LLVM

https://reviews.llvm.org/D52293

Previous message: [llvm] r344270 - [X86] Restore X86ISelDAGToDAG::matchBEXTRFromAnd. Teach address matching to create a BEXTR pattern from a (shl (and X, mask >> C1) if C1 can be folded into addressing mode.
Next message: [PATCH] D52293: [TLI][X86][AArch64] Generalize isDesirableToCommuteWithShift() hook and enable for X86
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