[Mesa-dev] [PATCH 15/15] i965/fs: Re-enable global copy propagation.

[Kenneth Graunke]

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 <kenneth at 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