I believe the data flow analysis actually works now, and it should be
safe to re-enable global copy propagation. It even does things now.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp | 2 --
1 file changed, 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
index dc9f2f8..6fdd420 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -500,7 +500,6 @@ fs_visitor::opt_copy_propagate()
out_acp[b]) || progress;
}
- #if 0
/* Do dataflow analysis for those available copies. */
fs_copy_prop_dataflow dataflow(mem_ctx, &cfg, out_acp);
@@ -520,7 +519,6 @@ fs_visitor::opt_copy_propagate()
progress = opt_copy_propagate_local(mem_ctx, block, in_acp) || progress;
}
- #endif
for (int i = 0; i < cfg.num_blocks; i++)
delete [] out_acp[i];
--
1.8.3.4
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