diff options
Diffstat (limited to 'llvm/lib/IR/ModuleSummaryIndex.cpp')
| -rw-r--r-- | llvm/lib/IR/ModuleSummaryIndex.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/lib/IR/ModuleSummaryIndex.cpp b/llvm/lib/IR/ModuleSummaryIndex.cpp index 6c0d3973715..bb5b7d0d3ab 100644 --- a/llvm/lib/IR/ModuleSummaryIndex.cpp +++ b/llvm/lib/IR/ModuleSummaryIndex.cpp @@ -14,11 +14,17 @@ #include "llvm/IR/ModuleSummaryIndex.h" #include "llvm/ADT/SCCIterator.h" +#include "llvm/ADT/Statistic.h" #include "llvm/ADT/StringMap.h" #include "llvm/Support/Path.h" #include "llvm/Support/raw_ostream.h" using namespace llvm; +#define DEBUG_TYPE "module-summary-index" + +STATISTIC(ReadOnlyLiveGVars, + "Number of live global variables marked read only"); + FunctionSummary FunctionSummary::ExternalNode = FunctionSummary::makeDummyFunctionSummary({}); bool ValueInfo::isDSOLocal() const { @@ -160,6 +166,14 @@ void ModuleSummaryIndex::propagateConstants( GVS->setReadOnly(false); propagateConstantsToRefs(S.get()); } +#if LLVM_ENABLE_STATS + for (auto &P : *this) + if (P.second.SummaryList.size()) + if (auto *GVS = dyn_cast<GlobalVarSummary>( + P.second.SummaryList[0]->getBaseObject())) + if (isGlobalValueLive(GVS) && GVS->isReadOnly()) + ReadOnlyLiveGVars++; +#endif } // TODO: write a graphviz dumper for SCCs (see ModuleSummaryIndex::exportToDot) |
