i965/nir: Do a final copy lowering pass before lowering locals to regs

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 218cd5ce172ad0096a4396ee28fdc0592d1b1640..e8f398a7138a8510e507263764eb812745fd5483 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -60,6 +60,9 @@ fs_visitor::emit_nir_code()
    } while (progress);
 
    /* Lower a bunch of stuff */
+   nir_lower_var_copies(nir);
+   nir_validate_shader(nir);
+
    nir_lower_io(nir);
    nir_validate_shader(nir);