glsl: Move tree grafting's debug output to stderr.

The rest of our compiler dumps are there, now.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/glsl/opt_tree_grafting.cpp b/src/glsl/opt_tree_grafting.cpp
index f3bd580..d47613c 100644 (file)
--- a/src/glsl/opt_tree_grafting.cpp
+++ b/src/glsl/opt_tree_grafting.cpp
@@ -127,12 +127,12 @@ ir_tree_grafting_visitor::do_graft(ir_rvalue **rvalue)
       return false;
 
    if (debug) {
-      printf("GRAFTING:\n");
-      this->graft_assign->print();
-      printf("\n");
-      printf("TO:\n");
-      (*rvalue)->print();
-      printf("\n");
+      fprintf(stderr, "GRAFTING:\n");
+      this->graft_assign->fprint(stderr);
+      fprintf(stderr, "\n");
+      fprintf(stderr, "TO:\n");
+      (*rvalue)->fprint(stderr);
+      fprintf(stderr, "\n");
    }
 
    this->graft_assign->remove();
@@ -164,9 +164,9 @@ ir_tree_grafting_visitor::check_graft(ir_instruction *ir, ir_variable *var)
 {
    if (dereferences_variable(this->graft_assign->rhs, var)) {
       if (debug) {
-        printf("graft killed by: ");
-        ir->print();
-        printf("\n");
+        fprintf(stderr, "graft killed by: ");
+        ir->fprint(stderr);
+        fprintf(stderr, "\n");
       }
       return visit_stop;
    }
@@ -316,9 +316,9 @@ try_tree_grafting(ir_assignment *start,
    ir_tree_grafting_visitor v(start, lhs_var);
 
    if (debug) {
-      printf("trying to graft: ");
-      lhs_var->print();
-      printf("\n");
+      fprintf(stderr, "trying to graft: ");
+      lhs_var->fprint(stderr);
+      fprintf(stderr, "\n");
    }
 
    for (ir_instruction *ir = (ir_instruction *)start->next;
@@ -326,9 +326,9 @@ try_tree_grafting(ir_assignment *start,
        ir = (ir_instruction *)ir->next) {
 
       if (debug) {
-        printf("- ");
-        ir->print();
-        printf("\n");
+        fprintf(stderr, "- ");
+        ir->fprint(stderr);
+        fprintf(stderr, "\n");
       }
 
       ir_visitor_status s = ir->accept(&v);