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-rw-r--r--src/glsl/opt_algebraic.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp
index 953b03c2943..392051f4f05 100644
--- a/src/glsl/opt_algebraic.cpp
+++ b/src/glsl/opt_algebraic.cpp
@@ -553,6 +553,8 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
return ir->operands[0];
} else if (is_vec_one(op_const[2])) {
return ir->operands[1];
+ } else if (ir->operands[0]->equals(ir->operands[1])) {
+ return ir->operands[0];
}
break;