[llvm] Use *Map::try_emplace (NFC) (#141190)

try_emplace can default-construct values, so we do not need to do so
on our own.  Plus, try_emplace(Key) is much simpler/shorter than
insert({Key, LongValueType()}).

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 5e01c29..b0975df 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -8371,7 +8371,7 @@ ScalarEvolution::getPredicatedBackedgeTakenInfo(const Loop *L) {
   if (BTI.hasFullInfo())
     return BTI;
 
-  auto Pair = PredicatedBackedgeTakenCounts.insert({L, BackedgeTakenInfo()});
+  auto Pair = PredicatedBackedgeTakenCounts.try_emplace(L);
 
   if (!Pair.second)
     return Pair.first->second;
@@ -8390,7 +8390,7 @@ ScalarEvolution::getBackedgeTakenInfo(const Loop *L) {
   // code elsewhere that it shouldn't attempt to request a new
   // backedge-taken count, which could result in infinite recursion.
   std::pair<DenseMap<const Loop *, BackedgeTakenInfo>::iterator, bool> Pair =
-      BackedgeTakenCounts.insert({L, BackedgeTakenInfo()});
+      BackedgeTakenCounts.try_emplace(L);
   if (!Pair.second)
     return Pair.first->second;