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, 4 insertions, 7 deletions

diff --git a/llvm/lib/Target/XCore/XCoreSelectionDAGInfo.cpp b/llvm/lib/Target/XCore/XCoreSelectionDAGInfo.cpp
index 40568d124de..457672e80ab 100644
--- a/llvm/lib/Target/XCore/XCoreSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/XCore/XCoreSelectionDAGInfo.cpp
@@ -16,13 +16,10 @@ using namespace llvm;
 
 #define DEBUG_TYPE "xcore-selectiondag-info"
 
-SDValue XCoreSelectionDAGInfo::
-EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl, SDValue Chain,
-                        SDValue Dst, SDValue Src, SDValue Size, unsigned Align,
-                        bool isVolatile, bool AlwaysInline,
-                        MachinePointerInfo DstPtrInfo,
-                        MachinePointerInfo SrcPtrInfo) const
-{
+SDValue XCoreSelectionDAGInfo::EmitTargetCodeForMemcpy(
+    SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Dst, SDValue Src,
+    SDValue Size, unsigned Align, bool isVolatile, bool AlwaysInline,
+    MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) const {
   unsigned SizeBitWidth = Size.getValueType().getSizeInBits();
   // Call __memcpy_4 if the src, dst and size are all 4 byte aligned.
   if (!AlwaysInline && (Align & 3) == 0 &&