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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DFGValidateUnlinked.h"
#if ENABLE(DFG_JIT)
#include "DFGGraph.h"
#include "DFGPhase.h"
#include "DFGPhiChildren.h"
#include "JSCJSValueInlines.h"
namespace JSC::DFG {
class ValidateUnlinked final : public Phase {
static constexpr bool verbose = false;
public:
ValidateUnlinked(Graph& graph)
: Phase(graph, "uDFG validation"_s)
{
}
bool run();
bool validateNode(Node*);
private:
};
bool ValidateUnlinked::run()
{
for (BasicBlock* block : m_graph.blocksInPreOrder()) {
for (Node* node : *block) {
if (!validateNode(node))
return false;
}
}
return true;
}
bool ValidateUnlinked::validateNode(Node* node)
{
JSGlobalObject* globalObject = m_graph.globalObjectFor(node->origin.semantic);
if (globalObject != m_graph.m_codeBlock->globalObject()) {
if (UNLIKELY(Options::dumpUnlinkedDFGValidation())) {
m_graph.logAssertionFailure(node, __FILE__, __LINE__, WTF_PRETTY_FUNCTION, "Bad GlobalObject");
dataLogLn(RawPointer(globalObject), " != ", RawPointer(m_graph.m_codeBlock->globalObject()));
}
return false;
}
return true;
}
CapabilityLevel canCompileUnlinked(Graph& graph)
{
ValidateUnlinked phase(graph);
if (!phase.run())
return CapabilityLevel::CannotCompile;
return CapabilityLevel::CanCompileAndInline;
}
} // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
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