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intel/brw: Add a new def analysis pass

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This introduces a new analysis pass that opportunistically looks for
VGRFs which happen to satisfy the SSA definition properties.

Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28666>
This commit is contained in:
Kenneth Graunke
2023-11-16 01:16:45 -08:00
committed by Marge Bot
parent ad9e414aa9
commit 0d144821f0
5 changed files with 256 additions and 3 deletions
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src/intel/compiler/brw_fs.cpp
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@@ -2739,6 +2739,7 @@ fs_visitor::invalidate_analysis(brw::analysis_dependency_class c)
live_analysis.invalidate(c);
regpressure_analysis.invalidate(c);
idom_analysis.invalidate(c);
def_analysis.invalidate(c);
}
void