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[StackSafety, NFC] Don't insert empty objects into the map

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Result should be the same but it makes generateParamAccessSummary 5x
faster.
This commit is contained in:
Vitaly Buka 2020-08-02 13:56:38 -07:00
parent f9f8ff8718
commit 5f096386c6
1 changed files with 1 additions and 1 deletions
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2
lib/Analysis/StackSafetyAnalysis.cpp
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@ -928,7 +928,7 @@ void llvm::generateParamAccessSummary(ModuleSummaryIndex &Index) {
for (auto &GVS : Index) {
for (auto &GV : GVS.second.SummaryList) {
FunctionSummary *FS = dyn_cast<FunctionSummary>(GV.get());
if (!FS)
if (!FS || FS->paramAccesses().empty())
continue;
if (FS->isLive() && FS->isDSOLocal()) {
FunctionInfo<FunctionSummary> FI;