[PATCH] D142602: [X86] Expand transform (icmp eq/ne (ABS A), C) -> (and/or (icmp eq/ne A, C), (icmp eq/ne A, -C))

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Feb 5 09:20:14 PST 2023


RKSimon added inline comments.


================
Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:53461
+          ConvertToLogicOpOfSETCC =
+              CInt.isPowerOf2() && !CInt.isMinSignedValue();
+        }
----------------
Doesn't this need to apply to the vector cases as well?


Repository:
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  https://reviews.llvm.org/D142602/new/

https://reviews.llvm.org/D142602



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