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//===--- BasicCalleePrinter.cpp - Callee cache printing pass --------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This pass prints the callees of functions as determined by the
// BasicCalleeAnalysis. The pass is strictly for testing that
// analysis.
//
//===----------------------------------------------------------------------===//
#include "swift/SILOptimizer/Analysis/BasicCalleeAnalysis.h"
#include "swift/SIL/SILFunction.h"
#include "swift/SIL/SILInstruction.h"
#include "swift/SIL/SILModule.h"
#include "swift/SILOptimizer/PassManager/Transforms.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
using namespace swift;
#define DEBUG_TYPE "basic-callee-printer"
namespace {
class BasicCalleePrinterPass : public SILModuleTransform {
BasicCalleeAnalysis *BCA;
void printCallees(FullApplySite FAS) {
llvm::outs() << "Function call site:\n";
if (auto *Callee = FAS.getCallee()->getDefiningInstruction())
llvm::outs() << *Callee;
llvm::outs() << *FAS.getInstruction();
auto Callees = BCA->getCalleeList(FAS);
Callees.print(llvm::outs());
}
/// The entry point to the transformation.
void run() override {
BCA = getAnalysis<BasicCalleeAnalysis>();
for (auto &Fn : *getModule()) {
if (Fn.isExternalDeclaration()) continue;
for (auto &B : Fn)
for (auto &I : B)
if (auto FAS = FullApplySite::isa(&I))
printCallees(FAS);
}
}
};
} // end anonymous namespace
SILTransform *swift::createBasicCalleePrinter() {
return new BasicCalleePrinterPass();
}
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