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-rw-r--r--llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp b/llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp
index 61f230804f5..50d4cc33171 100644
--- a/llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp
@@ -72,6 +72,7 @@
using namespace llvm;
STATISTIC(NumEliminated, "Number of tail calls removed");
+STATISTIC(NumRetDuped, "Number of return duplicated");
STATISTIC(NumAccumAdded, "Number of accumulators introduced");
namespace {
@@ -606,6 +607,7 @@ bool TailCallElim::FoldReturnAndProcessPred(BasicBlock *BB,
EliminateRecursiveTailCall(CI, FoldReturnIntoUncondBranch(Ret, BB, Pred),
OldEntry, TailCallsAreMarkedTail, ArgumentPHIs,
CannotTailCallElimCallsMarkedTail);
+ ++NumRetDuped;
Change = true;
}
}
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