Apply clang-tidy's misc-move-constructor-init throughout LLVM.

No functionality change intended, maybe a tiny performance improvement.

llvm-svn: 270997
diff --git a/llvm/lib/CodeGen/IfConversion.cpp b/llvm/lib/CodeGen/IfConversion.cpp
index 319c4f5..c2586b5 100644
--- a/llvm/lib/CodeGen/IfConversion.cpp
+++ b/llvm/lib/CodeGen/IfConversion.cpp
@@ -34,6 +34,7 @@
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include <algorithm>
+#include <utility>
 
 using namespace llvm;
 
@@ -177,7 +178,7 @@
   public:
     static char ID;
     IfConverter(std::function<bool(const Function &)> Ftor = nullptr)
-        : MachineFunctionPass(ID), FnNum(-1), PredicateFtor(Ftor) {
+        : MachineFunctionPass(ID), FnNum(-1), PredicateFtor(std::move(Ftor)) {
       initializeIfConverterPass(*PassRegistry::getPassRegistry());
     }