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glsl: Skip processing expression trees in optimize_redundant_jumps()

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Cuts the time spent in this function during glean texCombine by 2/3.
This commit is contained in:
Eric Anholt 2011-03-11 13:03:54 -08:00
parent b0fff8d17e
commit d3a444af2d
1 changed files with 9 additions and 0 deletions
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9
src/glsl/opt_redundant_jumps.cpp
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@ -37,10 +37,19 @@ public:
virtual ir_visitor_status visit_leave(ir_if *);
virtual ir_visitor_status visit_leave(ir_loop *);
virtual ir_visitor_status visit_enter(ir_assignment *);
bool progress;
};
/* We only care about the top level instructions, so don't descend
* into expressions.
*/
ir_visitor_status
redundant_jumps_visitor::visit_enter(ir_assignment *ir)
{
return visit_continue_with_parent;
}
ir_visitor_status
redundant_jumps_visitor::visit_leave(ir_if *ir)