Sema: Replace some push_backs of expensive to move objects with emplace_back.

NFC.

llvm-svn: 229557

3 files changed, 5 insertions, 10 deletions

diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index f23d89e3b79..21e86a11f5d 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -122,9 +122,7 @@ Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
   PP.getDiagnostics().SetArgToStringFn(&FormatASTNodeDiagnosticArgument,
                                        &Context);
 
-  ExprEvalContexts.push_back(
-        ExpressionEvaluationContextRecord(PotentiallyEvaluated, 0,
-                                          false, nullptr, false));
+  ExprEvalContexts.emplace_back(PotentiallyEvaluated, 0, false, nullptr, false);
 
   FunctionScopes.push_back(new FunctionScopeInfo(Diags));
 
diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index a9ea72577ab..4b807c10581 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -11606,12 +11606,9 @@ void
 Sema::PushExpressionEvaluationContext(ExpressionEvaluationContext NewContext,
                                       Decl *LambdaContextDecl,
                                       bool IsDecltype) {
-  ExprEvalContexts.push_back(
-             ExpressionEvaluationContextRecord(NewContext,
-                                               ExprCleanupObjects.size(),
-                                               ExprNeedsCleanups,
-                                               LambdaContextDecl,
-                                               IsDecltype));
+  ExprEvalContexts.emplace_back(NewContext, ExprCleanupObjects.size(),
+                                ExprNeedsCleanups, LambdaContextDecl,
+                                IsDecltype);
   ExprNeedsCleanups = false;
   if (!MaybeODRUseExprs.empty())
     std::swap(MaybeODRUseExprs, ExprEvalContexts.back().SavedMaybeODRUseExprs);
diff --git a/clang/lib/Sema/SemaOverload.cpp b/clang/lib/Sema/SemaOverload.cpp
index 134c88fd9de..53ebdd793b7 100644
--- a/clang/lib/Sema/SemaOverload.cpp
+++ b/clang/lib/Sema/SemaOverload.cpp
@@ -8118,7 +8118,7 @@ void Sema::AddBuiltinOperatorCandidates(OverloadedOperatorKind Op,
   bool HasArithmeticOrEnumeralCandidateType = false;
   SmallVector<BuiltinCandidateTypeSet, 2> CandidateTypes;
   for (unsigned ArgIdx = 0, N = Args.size(); ArgIdx != N; ++ArgIdx) {
-    CandidateTypes.push_back(BuiltinCandidateTypeSet(*this));
+    CandidateTypes.emplace_back(*this);
     CandidateTypes[ArgIdx].AddTypesConvertedFrom(Args[ArgIdx]->getType(),
                                                  OpLoc,
                                                  true,