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-rw-r--r--src/glsl/opt_algebraic.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp
index 588228c9ec2..7bc65daf5c6 100644
--- a/src/glsl/opt_algebraic.cpp
+++ b/src/glsl/opt_algebraic.cpp
@@ -376,6 +376,15 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
}
break;
+ case ir_unop_f2i:
+ case ir_unop_f2u:
+ if (op_expr[0] && op_expr[0]->operation == ir_unop_trunc) {
+ return new(mem_ctx) ir_expression(ir->operation,
+ ir->type,
+ op_expr[0]->operands[0]);
+ }
+ break;
+
case ir_unop_logic_not: {
enum ir_expression_operation new_op = ir_unop_logic_not;