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glsl/opt_algebraic: Drop ~~x == x transformation.

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No change on freedreno shader-db.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21475>
This commit is contained in:
Emma Anholt 2023-02-22 11:33:06 -08:00 • committed by Marge Bot
parent 36a916f3f4
commit 2bd0343ba0
1 changed files with 0 additions and 5 deletions
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5
src/compiler/glsl/opt_algebraic.cpp
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@ -305,11 +305,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
this->mem_ctx = ralloc_parent(ir);
switch (ir->operation) {
case ir_unop_bit_not:
if (op_expr[0] && op_expr[0]->operation == ir_unop_bit_not)
return op_expr[0]->operands[0];
break;
case ir_unop_abs:
if (op_expr[0] == NULL)
break;