Volodymyr Vasylkun be7d08cd59 [InstCombine] Fold sext(A < B) + zext(A > B) into ucmp/scmp(A, B) (#103833) ...

This change also covers the fold of `zext(A > B) - zext(A < B)` since it
is already being canonicalized into the aforementioned pattern.

Proof: https://alive2.llvm.org/ce/z/AgnfMn

2024-08-21 23:15:24 +01:00

108 KiB

Raw Blame History

View Raw