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//===--- LoopRegionPrinter.cpp --------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Simple pass for testing the new loop region dumper analysis. Prints out
// information suitable for checking with filecheck.
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "sil-loop-region-printer"
#include "swift/SILOptimizer/Analysis/LoopRegionAnalysis.h"
#include "swift/SILOptimizer/PassManager/Passes.h"
#include "swift/SILOptimizer/PassManager/Transforms.h"
#include "llvm/Support/CommandLine.h"
using namespace swift;
static llvm::cl::opt<std::string>
SILViewCFGOnlyFun("sil-loop-region-view-cfg-only-function",
llvm::cl::init(""),
llvm::cl::desc("Only produce a graphviz file for the "
"loop region info of this function"));
static llvm::cl::opt<std::string>
SILViewCFGOnlyFuns("sil-loop-region-view-cfg-only-functions",
llvm::cl::init(""),
llvm::cl::desc("Only produce a graphviz file for the "
"loop region info for the functions "
"whose name contains this substring"));
namespace {
class LoopRegionViewText : public SILModuleTransform {
void run() override {
invalidateAll();
auto *lra = PM->getAnalysis<LoopRegionAnalysis>();
for (auto &fn : *getModule()) {
if (fn.isExternalDeclaration())
continue;
if (!SILViewCFGOnlyFun.empty() && fn.getName() != SILViewCFGOnlyFun)
continue;
if (!SILViewCFGOnlyFuns.empty() &&
!fn.getName().contains(SILViewCFGOnlyFuns))
continue;
// Ok, we are going to analyze this function. Invalidate all state
// associated with it so we recompute the loop regions.
llvm::outs() << "Start @" << fn.getName() << "@\n";
lra->get(&fn)->dump();
llvm::outs() << "End @" << fn.getName() << "@\n";
llvm::outs().flush();
}
}
};
class LoopRegionViewCFG : public SILModuleTransform {
void run() override {
invalidateAll();
auto *lra = PM->getAnalysis<LoopRegionAnalysis>();
for (auto &fn : *getModule()) {
if (fn.isExternalDeclaration())
continue;
if (!SILViewCFGOnlyFun.empty() && fn.getName() != SILViewCFGOnlyFun)
continue;
if (!SILViewCFGOnlyFuns.empty() &&
!fn.getName().contains(SILViewCFGOnlyFuns))
continue;
// Ok, we are going to analyze this function. Invalidate all state
// associated with it so we recompute the loop regions.
lra->get(&fn)->viewLoopRegions();
}
}
};
} // end anonymous namespace
SILTransform *swift::createLoopRegionViewText() {
return new LoopRegionViewText();
}
SILTransform *swift::createLoopRegionViewCFG() {
return new LoopRegionViewCFG();
}
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