From 991fa4d3d07a3ebda2a1398d346b18b3afbaa736 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 11 Mar 2011 13:08:26 -0800 Subject: [PATCH] glsl: Skip processing expression trees in do_if_simplification(). Reduces time spent in this during glean texCombine by about 2/3. --- src/glsl/opt_if_simplification.cpp | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/glsl/opt_if_simplification.cpp b/src/glsl/opt_if_simplification.cpp index 618bacfecf1..29b1d18aa59 100644 --- a/src/glsl/opt_if_simplification.cpp +++ b/src/glsl/opt_if_simplification.cpp @@ -38,10 +38,20 @@ public: } ir_visitor_status visit_leave(ir_if *); + ir_visitor_status visit_enter(ir_assignment *); bool made_progress; }; +/* We only care about the top level "if" instructions, so don't + * descend into expressions. + */ +ir_visitor_status +ir_if_simplification_visitor::visit_enter(ir_assignment *ir) +{ + return visit_continue_with_parent; +} + bool do_if_simplification(exec_list *instructions) { -- 2.30.2