[llvm] [InstCombine] Allow pre-shift fold with negative offset when shift amount is in range (PR #222351)

Julian Gabriel via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 21 23:05:55 PDT 2026

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ParcivalLTD wrote:

@nikic I've reworked this to relax the existing pre-shift fold in commonShiftTransforms. Could you take a look when you have time? The workflows also need approval to run.

https://github.com/llvm/llvm-project/pull/222351

Previous message: [llvm] [InstCombine] Allow pre-shift fold with negative offset when shift amount is in range (PR #222351)
Next message: [llvm] 06c7e8d - [SelectionDAG] Simplify computeKnownBits for EXTRACT_ELEMENT using KnownBits::extractBits. NFC (#225168)
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