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-rw-r--r--llvm/lib/CodeGen/MachineBlockPlacement.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
index 05bc4cf..c61b8eb 100644
--- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
@@ -3178,11 +3178,11 @@ bool MachineBlockPlacement::maybeTailDuplicateBlock(
// Conservative default.
bool InWorkList = true;
// Remove from the Chain and Chain Map
- if (BlockToChain.count(RemBB)) {
- BlockChain *Chain = BlockToChain[RemBB];
+ if (auto It = BlockToChain.find(RemBB); It != BlockToChain.end()) {
+ BlockChain *Chain = It->second;
InWorkList = Chain->UnscheduledPredecessors == 0;
Chain->remove(RemBB);
- BlockToChain.erase(RemBB);
+ BlockToChain.erase(It);
}
// Handle the unplaced block iterator