i965: Don't try to print the GLSL IR if it has been freed

Since commit 104c8fc2c2aa5621261f8 the GLSL IR will be freed if NIR is
being used. This was causing it to segfault if INTEL_DEBUG=wm is set.
This patch just makes it avoid dumping the GLSL IR in that case.

Reviewed-by: Ben Widawsky <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>

1 files changed, 7 insertions, 4 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c
index 2327af77ad3..85e271d2351 100644
--- a/src/mesa/drivers/dri/i965/brw_program.c
+++ b/src/mesa/drivers/dri/i965/brw_program.c
@@ -574,10 +574,13 @@ brw_dump_ir(const char *stage, struct gl_shader_program *shader_prog,
             struct gl_shader *shader, struct gl_program *prog)
 {
    if (shader_prog) {
-      fprintf(stderr,
-              "GLSL IR for native %s shader %d:\n", stage, shader_prog->Name);
-      _mesa_print_ir(stderr, shader->ir, NULL);
-      fprintf(stderr, "\n\n");
+      if (shader->ir) {
+         fprintf(stderr,
+                 "GLSL IR for native %s shader %d:\n",
+                 stage, shader_prog->Name);
+         _mesa_print_ir(stderr, shader->ir, NULL);
+         fprintf(stderr, "\n\n");
+      }
    } else {
       fprintf(stderr, "ARB_%s_program %d ir for native %s shader\n",
               stage, prog->Id, stage);