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//===--- StripDebugInfo.cpp - Strip debug info from SIL -------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "swift/SILOptimizer/PassManager/Passes.h"
#include "swift/SILOptimizer/PassManager/Transforms.h"
#include "swift/SIL/SILInstruction.h"
#include "swift/SIL/SILModule.h"
#include "swift/SIL/SILFunction.h"
using namespace swift;
static void stripFunction(SILFunction *F) {
for (auto &BB : *F)
for (auto II = BB.begin(), IE = BB.end(); II != IE;) {
SILInstruction *Inst = &*II;
++II;
if (!isa<DebugValueInst>(Inst))
continue;
Inst->eraseFromParent();
}
}
namespace {
class StripDebugInfo : public swift::SILFunctionTransform {
~StripDebugInfo() override {}
/// The entry point to the transformation.
void run() override {
stripFunction(getFunction());
invalidateAnalysis(SILAnalysis::InvalidationKind::Instructions);
}
};
} // end anonymous namespace
SILTransform *swift::createStripDebugInfo() {
return new StripDebugInfo();
}
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