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7336034e4d
Adds a DumpObjects utility that can be used to dump JIT'd objects to disk. Instances of DebugObjects may be used by ObjectTransformLayer as no-op transforms. This patch also adds an ObjectTransformLayer to LLJIT and an example of how to use this utility to dump JIT'd objects in LLJIT.
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
//===---------- ObjectTransformLayer.cpp - Object Transform Layer ---------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/ObjectTransformLayer.h"
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#include "llvm/Support/MemoryBuffer.h"
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namespace llvm {
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namespace orc {
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ObjectTransformLayer::ObjectTransformLayer(ExecutionSession &ES,
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ObjectLayer &BaseLayer,
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TransformFunction Transform)
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: ObjectLayer(ES), BaseLayer(BaseLayer), Transform(std::move(Transform)) {}
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void ObjectTransformLayer::emit(MaterializationResponsibility R,
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std::unique_ptr<MemoryBuffer> O) {
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assert(O && "Module must not be null");
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// If there is a transform set then apply it.
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if (Transform) {
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if (auto TransformedObj = Transform(std::move(O)))
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O = std::move(*TransformedObj);
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else {
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R.failMaterialization();
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getExecutionSession().reportError(TransformedObj.takeError());
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return;
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}
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}
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BaseLayer.emit(std::move(R), std::move(O));
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}
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} // End namespace orc.
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} // End namespace llvm.
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