[BPI] Clear handles when releasing memory (NFC)

This reduces max-rss of sqlite compilation by 2.5%.

diff --git a/llvm/lib/Analysis/BranchProbabilityInfo.cpp b/llvm/lib/Analysis/BranchProbabilityInfo.cpp
index 38fb90f..ae99d63 100644 (file)
--- a/llvm/lib/Analysis/BranchProbabilityInfo.cpp
+++ b/llvm/lib/Analysis/BranchProbabilityInfo.cpp
@@ -854,6 +854,7 @@ bool BranchProbabilityInfo::calcInvokeHeuristics(const BasicBlock *BB) {
 
 void BranchProbabilityInfo::releaseMemory() {
   Probs.clear();
+  Handles.clear();
 }
 
 bool BranchProbabilityInfo::invalidate(Function &, const PreservedAnalyses &PA,