[PATCH] D90838: [BranchProbabilityInfo] Remove block handles in eraseBlock()

Yevgeny Rouban via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Nov 5 22:14:47 PST 2020


This revision was automatically updated to reflect the committed changes.
Closed by commit rGe38c8e7590a0: [BranchProbabilityInfo] Remove block handles in eraseBlock() (authored by yrouban).

Changed prior to commit:
  https://reviews.llvm.org/D90838?vs=303083&id=303330#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D90838/new/

https://reviews.llvm.org/D90838

Files:
  llvm/include/llvm/Analysis/BranchProbabilityInfo.h
  llvm/lib/Analysis/BranchProbabilityInfo.cpp


Index: llvm/lib/Analysis/BranchProbabilityInfo.cpp
===================================================================
--- llvm/lib/Analysis/BranchProbabilityInfo.cpp
+++ llvm/lib/Analysis/BranchProbabilityInfo.cpp
@@ -1138,10 +1138,10 @@
   if (Probs.size() == 0)
     return; // Nothing to set.
 
+  Handles.insert(BasicBlockCallbackVH(Src, this));
   uint64_t TotalNumerator = 0;
   for (unsigned SuccIdx = 0; SuccIdx < Probs.size(); ++SuccIdx) {
     this->Probs[std::make_pair(Src, SuccIdx)] = Probs[SuccIdx];
-    Handles.insert(BasicBlockCallbackVH(Src, this));
     LLVM_DEBUG(dbgs() << "set edge " << Src->getName() << " -> " << SuccIdx
                       << " successor probability to " << Probs[SuccIdx]
                       << "\n");
@@ -1177,6 +1177,7 @@
   // a pair (BB, N) if there is no data for (BB, N-1) because the data is always
   // set for all successors from 0 to M at once by the method
   // setEdgeProbability().
+  Handles.erase(BasicBlockCallbackVH(BB, this));
   for (unsigned I = 0;; ++I) {
     auto MapI = Probs.find(std::make_pair(BB, I));
     if (MapI == Probs.end()) {
Index: llvm/include/llvm/Analysis/BranchProbabilityInfo.h
===================================================================
--- llvm/include/llvm/Analysis/BranchProbabilityInfo.h
+++ llvm/include/llvm/Analysis/BranchProbabilityInfo.h
@@ -213,7 +213,6 @@
     void deleted() override {
       assert(BPI != nullptr);
       BPI->eraseBlock(cast<BasicBlock>(getValPtr()));
-      BPI->Handles.erase(*this);
     }
 
   public:


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