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Commit 3902f9b6 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] PromoteMaskArithmetic - explicitly attempt to constant fold zext(c)... 

[X86] PromoteMaskArithmetic - explicitly attempt to constant fold zext(c) instead of relying on getNode()

Don't rely on isBuildVectorOfConstantSDNodes/getNode to constant fold, this could also help in cases where the constant is behind a bitcast.

Noticed while investigating #80668
parent 713fe6df
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