Pass DebugLoc and SDLoc by const ref.

This used to be free, copying and moving DebugLocs became expensive
after the metadata rewrite. Passing by reference eliminates a ton of
track/untrack operations. No functionality change intended.

llvm-svn: 272512

1 files changed, 3 insertions, 7 deletions

diff --git a/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp b/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
index da31783ba24..37a1fdf4d77 100644
--- a/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
@@ -105,13 +105,9 @@ SparcRegisterInfo::getPointerRegClass(const MachineFunction &MF,
   return Subtarget.is64Bit() ? &SP::I64RegsRegClass : &SP::IntRegsRegClass;
 }
 
-static void replaceFI(MachineFunction &MF,
-                      MachineBasicBlock::iterator II,
-                      MachineInstr &MI,
-                      DebugLoc dl,
-                      unsigned FIOperandNum, int Offset,
-                      unsigned FramePtr)
-{
+static void replaceFI(MachineFunction &MF, MachineBasicBlock::iterator II,
+                      MachineInstr &MI, const DebugLoc &dl,
+                      unsigned FIOperandNum, int Offset, unsigned FramePtr) {
   // Replace frame index with a frame pointer reference.
   if (Offset >= -4096 && Offset <= 4095) {
     // If the offset is small enough to fit in the immediate field, directly