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96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
//===--- LoopRegionPrinter.cpp --------------------------------------------===//
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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 - 2017 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 https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// Simple pass for testing the new loop region dumper analysis. Prints out
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// information suitable for checking with filecheck.
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//
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//===----------------------------------------------------------------------===//
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#define DEBUG_TYPE "sil-loop-region-printer"
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#include "swift/SILOptimizer/Analysis/LoopRegionAnalysis.h"
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#include "swift/SILOptimizer/PassManager/Passes.h"
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#include "swift/SILOptimizer/PassManager/Transforms.h"
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#include "llvm/Support/CommandLine.h"
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using namespace swift;
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static llvm::cl::opt<std::string>
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SILViewCFGOnlyFun("sil-loop-region-view-cfg-only-function",
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llvm::cl::init(""),
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llvm::cl::desc("Only produce a graphviz file for the "
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"loop region info of this function"));
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static llvm::cl::opt<std::string>
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SILViewCFGOnlyFuns("sil-loop-region-view-cfg-only-functions",
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llvm::cl::init(""),
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llvm::cl::desc("Only produce a graphviz file for the "
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"loop region info for the functions "
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"whose name contains this substring"));
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namespace {
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class LoopRegionViewText : public SILModuleTransform {
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void run() override {
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invalidateAll();
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auto *lra = PM->getAnalysis<LoopRegionAnalysis>();
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for (auto &fn : *getModule()) {
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if (fn.isExternalDeclaration())
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continue;
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if (!SILViewCFGOnlyFun.empty() && fn.getName() != SILViewCFGOnlyFun)
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continue;
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if (!SILViewCFGOnlyFuns.empty() &&
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!fn.getName().contains(SILViewCFGOnlyFuns))
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continue;
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// Ok, we are going to analyze this function. Invalidate all state
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// associated with it so we recompute the loop regions.
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llvm::outs() << "Start @" << fn.getName() << "@\n";
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lra->get(&fn)->dump();
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llvm::outs() << "End @" << fn.getName() << "@\n";
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llvm::outs().flush();
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}
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}
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};
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class LoopRegionViewCFG : public SILModuleTransform {
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void run() override {
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invalidateAll();
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auto *lra = PM->getAnalysis<LoopRegionAnalysis>();
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for (auto &fn : *getModule()) {
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if (fn.isExternalDeclaration())
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continue;
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if (!SILViewCFGOnlyFun.empty() && fn.getName() != SILViewCFGOnlyFun)
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continue;
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if (!SILViewCFGOnlyFuns.empty() &&
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!fn.getName().contains(SILViewCFGOnlyFuns))
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continue;
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// Ok, we are going to analyze this function. Invalidate all state
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// associated with it so we recompute the loop regions.
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lra->get(&fn)->viewLoopRegions();
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}
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}
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};
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} // end anonymous namespace
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SILTransform *swift::createLoopRegionViewText() {
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return new LoopRegionViewText();
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}
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SILTransform *swift::createLoopRegionViewCFG() {
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return new LoopRegionViewCFG();
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}
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