nir/validate: Print when the validation failed

Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>

1 files changed, 10 insertions, 4 deletions

diff --git a/src/compiler/nir/nir_validate.c b/src/compiler/nir/nir_validate.c
index cf7ef91f08c..62893cad87e 100644
--- a/src/compiler/nir/nir_validate.c
+++ b/src/compiler/nir/nir_validate.c
@@ -1140,11 +1140,17 @@ destroy_validate_state(validate_state *state)
 }
 
 static void
-dump_errors(validate_state *state)
+dump_errors(validate_state *state, const char *when)
 {
    struct hash_table *errors = state->errors;
 
-   fprintf(stderr, "%d errors:\n", _mesa_hash_table_num_entries(errors));
+   if (when) {
+      fprintf(stderr, "NIR validation failed %s\n", when);
+      fprintf(stderr, "%d errors:\n", _mesa_hash_table_num_entries(errors));
+   } else {
+      fprintf(stderr, "NIR validation failed with %d errors:\n",
+              _mesa_hash_table_num_entries(errors));
+   }
 
    nir_print_shader_annotated(state->shader, stderr, errors);
 
@@ -1160,7 +1166,7 @@ dump_errors(validate_state *state)
 }
 
 void
-nir_validate_shader(nir_shader *shader)
+nir_validate_shader(nir_shader *shader, const char *when)
 {
    static int should_validate = -1;
    if (should_validate < 0)
@@ -1223,7 +1229,7 @@ nir_validate_shader(nir_shader *shader)
    }
 
    if (_mesa_hash_table_num_entries(state.errors) > 0)
-      dump_errors(&state);
+      dump_errors(&state, when);
 
    destroy_validate_state(&state);
 }