[DAGCombiner] Fold (sext (not i1 x)) -> (add (zext i1 x), -1) (ac522f87) · Commits · github.com / llvm / llvm-project

Commit ac522f87 authored Dec 06, 2020 by

Layton Kifer Committed by Sanjay Patel Dec 06, 2020

[DAGCombiner] Fold (sext (not i1 x)) -> (add (zext i1 x), -1)

Move fold of (sext (not i1 x)) -> (add (zext i1 x), -1) from X86 to DAGCombiner to improve codegen on other targets.

Differential Revision: https://reviews.llvm.org/D91589

parent 0b3e393d

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