[Mesa-dev] [PATCH 2/2] nir: Expose nir_print_instr() for debug prints

[Eric Anholt]

It's nice to have this present in your default cases so you can see what
instruction is triggering an abort.

v2: Just pass a NULL state, now that it won't crash when you do.
---
 src/glsl/nir/nir.h       | 1 +
 src/glsl/nir/nir_print.c | 9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 58a8efe..0912837 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1484,6 +1484,7 @@ void nir_index_ssa_defs(nir_function_impl *impl);
 void nir_index_blocks(nir_function_impl *impl);
 
 void nir_print_shader(nir_shader *shader, FILE *fp);
+void nir_print_instr(nir_instr *instr, FILE *fp);
 
 #ifdef DEBUG
 void nir_validate_shader(nir_shader *shader);
diff --git a/src/glsl/nir/nir_print.c b/src/glsl/nir/nir_print.c
index 2ef55ed..9c07950 100644
--- a/src/glsl/nir/nir_print.c
+++ b/src/glsl/nir/nir_print.c
@@ -621,8 +621,6 @@ print_instr(nir_instr *instr, print_var_state *state, unsigned tabs, FILE *fp)
       unreachable("Invalid instruction type");
       break;
    }
-
-   fprintf(fp, "\n");
 }
 
 static int
@@ -668,6 +666,7 @@ print_block(nir_block *block, print_var_state *state, unsigned tabs, FILE *fp)
 
    nir_foreach_instr(block, instr) {
       print_instr(instr, state, tabs, fp);
+      fprintf(fp, "\n");
    }
 
    print_tabs(tabs, fp);
@@ -881,3 +880,9 @@ nir_print_shader(nir_shader *shader, FILE *fp)
 
    destroy_print_state(&state);
 }
+
+void
+nir_print_instr(nir_instr *instr, FILE *fp)
+{
+   print_instr(instr, NULL, 0, fp);
+}
-- 
2.1.3