[Mesa-dev] [PATCH] i965: Re-index SSA definitions before printing NIR code.

[Kenneth Graunke]

This makes the SSA definitions use sequential numbers (0, 1, 2, ...)
instead of seemingly random ones.  There's not much point normally,
but it makes debug output much easier to read.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/drivers/dri/i965/brw_nir.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_nir.c b/src/mesa/drivers/dri/i965/brw_nir.c
index 142162c..c13708a 100644
--- a/src/mesa/drivers/dri/i965/brw_nir.c
+++ b/src/mesa/drivers/dri/i965/brw_nir.c
@@ -167,6 +167,12 @@ brw_create_nir(struct brw_context *brw,
    nir_validate_shader(nir);
 
    if (unlikely(debug_enabled)) {
+      /* Re-index SSA defs so we print more sensible numbers. */
+      nir_foreach_overload(nir, overload) {
+         if (overload->impl)
+            nir_index_ssa_defs(overload->impl);
+      }
+
       fprintf(stderr, "NIR (SSA form) for %s shader:\n",
               _mesa_shader_stage_to_string(stage));
       nir_print_shader(nir, stderr);
-- 
2.4.2