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/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp
index c950777..c73db0d 100644
--- a/llvm/lib/CodeGen/LiveDebugVariables.cpp
+++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp
@@ -42,6 +42,7 @@
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include <memory>
+#include <utility>
 
 using namespace llvm;
 
@@ -84,7 +85,7 @@
   SmallPtrSet<const MachineBasicBlock *, 4> LBlocks;
 
 public:
-  UserValueScopes(DebugLoc D, LexicalScopes &L) : DL(D), LS(L) {}
+  UserValueScopes(DebugLoc D, LexicalScopes &L) : DL(std::move(D)), LS(L) {}
 
   /// dominates - Return true if current scope dominates at least one machine
   /// instruction in a given machine basic block.
@@ -141,8 +142,8 @@
   /// UserValue - Create a new UserValue.
   UserValue(const MDNode *var, const MDNode *expr, unsigned o, bool i,
             DebugLoc L, LocMap::Allocator &alloc)
-      : Variable(var), Expression(expr), offset(o), IsIndirect(i), dl(L),
-        leader(this), next(nullptr), locInts(alloc) {}
+      : Variable(var), Expression(expr), offset(o), IsIndirect(i),
+        dl(std::move(L)), leader(this), next(nullptr), locInts(alloc) {}
 
   /// getLeader - Get the leader of this value's equivalence class.
   UserValue *getLeader() {