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Alyssa Rosenzweig authored
With the goal of removing modifiers from NIR, these helpers let us detect modifier patterns without mutating the underlying NIR. These were intended for upstream, but due to various issues are being (temporarily) vendored. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Part-of: <mesa/mesa!5102>
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