diff options
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index a07e153ae92..3da27e5d61c 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -388,7 +388,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) break; case ir_binop_logic_or: - /* FINISHME: Also simplify (a || a) to (a). */ if (is_vec_zero(op_const[0])) { return ir->operands[1]; } else if (is_vec_zero(op_const[1])) { @@ -407,6 +406,9 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) */ return logic_not(logic_and(op_expr[0]->operands[0], op_expr[1]->operands[0])); + } else if (ir->operands[0]->equals(ir->operands[1])) { + /* (a || a) == a */ + return ir->operands[0]; } break; |