[NFC][MachineInstr] Pass-by-value DebugLoc in CreateMachineInstr

DebugLoc is cheap to move, passing it by-val rather than const ref to
take advantage of the fact that it is consumed that way by the
MachineInstr ctor, which creates some optimization oportunities.

Differential Revision: https://reviews.llvm.org/D115208

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index b6f1a6e..c249dd8 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -350,10 +350,10 @@ void MachineFunction::assignBeginEndSections() {
 
 /// Allocate a new MachineInstr. Use this instead of `new MachineInstr'.
 MachineInstr *MachineFunction::CreateMachineInstr(const MCInstrDesc &MCID,
-                                                  const DebugLoc &DL,
+                                                  DebugLoc DL,
                                                   bool NoImplicit) {
   return new (InstructionRecycler.Allocate<MachineInstr>(Allocator))
-      MachineInstr(*this, MCID, DL, NoImplicit);
+      MachineInstr(*this, MCID, std::move(DL), NoImplicit);
 }
 
 /// Create a new MachineInstr which is a copy of the 'Orig' instruction,