i965/fs: Don't invalidate live intervals in saturate propagation.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>

diff --git a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
index 6f7fb6c..347a78e 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
@@ -95,8 +95,7 @@ fs_visitor::opt_saturate_propagation()
       progress = opt_saturate_propagation_local(this, block) || progress;
    }
 
-   if (progress)
-      invalidate_live_intervals();
+   /* Live intervals are still valid. */
 
    return progress;
 }