diff options
Diffstat (limited to 'llvm/lib/IR/ModuleSummaryIndex.cpp')
-rw-r--r-- | llvm/lib/IR/ModuleSummaryIndex.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/lib/IR/ModuleSummaryIndex.cpp b/llvm/lib/IR/ModuleSummaryIndex.cpp index ce74c00766f..4c4466f9a90 100644 --- a/llvm/lib/IR/ModuleSummaryIndex.cpp +++ b/llvm/lib/IR/ModuleSummaryIndex.cpp @@ -13,10 +13,14 @@ //===----------------------------------------------------------------------===// #include "llvm/IR/ModuleSummaryIndex.h" +#include "llvm/ADT/SCCIterator.h" #include "llvm/ADT/StringMap.h" #include "llvm/Support/Path.h" +#include "llvm/Support/raw_ostream.h" using namespace llvm; +FunctionSummary FunctionSummary::ExternalNode = + FunctionSummary::makeDummyFunctionSummary({}); bool ValueInfo::isDSOLocal() const { // Need to check all summaries are local in case of hash collisions. return getSummaryList().size() && @@ -80,6 +84,26 @@ bool ModuleSummaryIndex::isGUIDLive(GlobalValue::GUID GUID) const { return false; } +// TODO: write a graphviz dumper for SCCs (see ModuleSummaryIndex::exportToDot) +// then delete this function and update its tests +LLVM_DUMP_METHOD +void ModuleSummaryIndex::dumpSCCs(raw_ostream &O) { + for (scc_iterator<ModuleSummaryIndex *> I = + scc_begin<ModuleSummaryIndex *>(this); + !I.isAtEnd(); ++I) { + O << "SCC (" << utostr(I->size()) << " node" << (I->size() == 1 ? "" : "s") + << ") {\n"; + for (const ValueInfo V : *I) { + FunctionSummary *F = nullptr; + if (V.getSummaryList().size()) + F = cast<FunctionSummary>(V.getSummaryList().front().get()); + O << " " << (F == nullptr ? "External" : "") << " " << utostr(V.getGUID()) + << (I.hasLoop() ? " (has loop)" : "") << "\n"; + } + O << "}\n"; + } +} + namespace { struct Attributes { void add(const Twine &Name, const Twine &Value, |