nir: Mark nir_print_instr's instr pointer as const.

Printing instructions doesn't modify them, so we can mark the parameter
const.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 4cb2e9274c..ceda977e64 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1489,7 +1489,7 @@ 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);
+void nir_print_instr(const 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 9c07950a67..6a3c6a0278 100644
--- a/src/glsl/nir/nir_print.c
+++ b/src/glsl/nir/nir_print.c
@@ -576,7 +576,7 @@ print_parallel_copy_instr(nir_parallel_copy_instr *instr, FILE *fp)
 }
 
 static void
-print_instr(nir_instr *instr, print_var_state *state, unsigned tabs, FILE *fp)
+print_instr(const nir_instr *instr, print_var_state *state, unsigned tabs, FILE *fp)
 {
    print_tabs(tabs, fp);
 
@@ -882,7 +882,7 @@ nir_print_shader(nir_shader *shader, FILE *fp)
 }
 
 void
-nir_print_instr(nir_instr *instr, FILE *fp)
+nir_print_instr(const nir_instr *instr, FILE *fp)
 {
    print_instr(instr, NULL, 0, fp);
 }