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/*
* Copyright © 2019 Google, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/**
* \file lower_builtins.cpp
*
* Inline calls to builtin functions.
*/
#include "ir.h"
#include "ir_optimization.h"
namespace {
class lower_builtins_visitor : public ir_hierarchical_visitor {
public:
lower_builtins_visitor() : progress(false) { }
ir_visitor_status visit_leave(ir_call *);
bool progress;
};
}
bool
lower_builtins(exec_list *instructions)
{
lower_builtins_visitor v;
visit_list_elements(&v, instructions);
return v.progress;
}
ir_visitor_status
lower_builtins_visitor::visit_leave(ir_call *ir)
{
/* lower_precision() also inlines some intrinsics, which can't be inlined
* further.
*/
if (!ir->callee->is_builtin() || ir->callee->is_intrinsic())
return visit_continue;
ir->generate_inline(ir);
ir->remove();
this->progress = true;
return visit_continue;
}
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