[ThinLTO] Add GraphTraits for FunctionSummaries
Add GraphTraits definitions to the FunctionSummary and ModuleSummaryIndex classes. These GraphTraits will be used to construct find SCC's in ThinLTO analysis passes.
Third attempt - moved function from lambda to static function due to build failures.
llvm-svn: 325506
diff --git a/llvm/lib/LTO/LTO.cpp b/llvm/lib/LTO/LTO.cpp
index 1047b8d..94baee6 100644
--- a/llvm/lib/LTO/LTO.cpp
+++ b/llvm/lib/LTO/LTO.cpp
@@ -50,6 +50,10 @@
#define DEBUG_TYPE "lto"
+static cl::opt<bool>
+ DumpThinCGSCCs("dump-thin-cg-sccs", cl::init(false), cl::Hidden,
+ cl::desc("Dump the SCCs in the ThinLTO index's callgraph"));
+
// The values are (type identifier, summary) pairs.
typedef DenseMap<
GlobalValue::GUID,
@@ -1141,6 +1145,9 @@
ThinLTO.ModuleMap.size());
StringMap<std::map<GlobalValue::GUID, GlobalValue::LinkageTypes>> ResolvedODR;
+ if (DumpThinCGSCCs)
+ ThinLTO.CombinedIndex.dumpSCCs(outs());
+
if (Conf.OptLevel > 0)
ComputeCrossModuleImport(ThinLTO.CombinedIndex, ModuleToDefinedGVSummaries,
ImportLists, ExportLists);