From c75427f4c8767e131e5fb3de44fbc9d904cb992d Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 11 Mar 2011 14:08:48 -0800 Subject: glsl: Skip processing the first function's body in do_dead_functions(). It can't call anything, so there's no point. --- src/glsl/opt_dead_functions.cpp | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/glsl/opt_dead_functions.cpp b/src/glsl/opt_dead_functions.cpp index 51c77e3b94..7c64c618c0 100644 --- a/src/glsl/opt_dead_functions.cpp +++ b/src/glsl/opt_dead_functions.cpp @@ -50,6 +50,7 @@ public: ir_dead_functions_visitor() { this->mem_ctx = ralloc_context(NULL); + this->seen_another_function_signature = false; } ~ir_dead_functions_visitor() @@ -64,6 +65,8 @@ public: bool (*predicate)(ir_instruction *ir); + bool seen_another_function_signature; + /* List of signature_entry */ exec_list signature_list; void *mem_ctx; @@ -94,7 +97,13 @@ ir_dead_functions_visitor::visit_enter(ir_function_signature *ir) entry->used = true; } - + /* If this is the first signature to look at, no need to descend to see + * if it has calls to another function signature. + */ + if (!this->seen_another_function_signature) { + this->seen_another_function_signature = true; + return visit_continue_with_parent; + } return visit_continue; } -- cgit v1.2.3