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Commit 9aee07ab authored by Dávid Bolvanský's avatar Dávid Bolvanský
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[InstCombine] X - usub.sat(X, Y) => umin(X, Y) 

Pattern regressed in LLVM 9 with the introduction of usub.sat.

Fixes https://bugs.llvm.org/show_bug.cgi?id=42178#c2

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D101184
parent 0764c8af
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