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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
//===-------- StripDebugInfo.cpp - Strip debug info from SIL --------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/SILPasses/Passes.h"
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#include "swift/SILPasses/Transforms.h"
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#include "swift/SILPasses/PassManager.h"
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#include "swift/SIL/SILInstruction.h"
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#include "swift/SIL/SILModule.h"
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#include "swift/SIL/SILFunction.h"
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using namespace swift;
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static void stripFunction(SILFunction *F) {
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for (auto &BB : *F)
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for (auto II = BB.begin(), IE = BB.end(); II != IE;) {
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SILInstruction *Inst = II;
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++II;
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if (!isa<DebugValueInst>(Inst) &&
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!isa<DebugValueAddrInst>(Inst))
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continue;
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Inst->eraseFromParent();
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}
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}
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void swift::performSILStripDebugInfo(SILModule *M) {
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for (auto &F : *M) {
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if (F.empty())
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continue;
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stripFunction(&F);
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}
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}
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class StripDebugInfo : public swift::SILFunctionTrans {
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virtual ~StripDebugInfo() {}
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/// The entry point to the transformation.
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virtual void runOnFunction(swift::SILFunction &F, SILPassManager *PM) {
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stripFunction(&F);
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PM->invalidateAllAnalysis(SILAnalysis::InvalidationKind::All);
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}
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};
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SILTransform *swift::createStripDebug() {
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return new StripDebugInfo();
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} |