const ref

Author: mbrkusanin

llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp

@@ -1433,7 +1433,7 @@ bool SIGfx90ACacheControl::insertRelease(MachineBasicBlock::iterator &MI,
   bool Changed = false;
 
   MachineBasicBlock &MBB = *MI->getParent();
-  DebugLoc DL = MI->getDebugLoc();
+  const DebugLoc &DL = MI->getDebugLoc();
 
   if (Pos == Position::AFTER)
     ++MI;