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, 6 insertions, 9 deletions

diff --git a/llvm/lib/Target/XCore/XCoreSelectionDAGInfo.h b/llvm/lib/Target/XCore/XCoreSelectionDAGInfo.h
index 456688568f4..7cd0d8216e9 100644
--- a/llvm/lib/Target/XCore/XCoreSelectionDAGInfo.h
+++ b/llvm/lib/Target/XCore/XCoreSelectionDAGInfo.h
@@ -22,15 +22,12 @@ class XCoreTargetMachine;
 
 class XCoreSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
-
-  SDValue
-  EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl,
-                          SDValue Chain,
-                          SDValue Op1, SDValue Op2,
-                          SDValue Op3, unsigned Align, bool isVolatile,
-                          bool AlwaysInline,
-                          MachinePointerInfo DstPtrInfo,
-                          MachinePointerInfo SrcPtrInfo) const override;
+  SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl,
+                                  SDValue Chain, SDValue Op1, SDValue Op2,
+                                  SDValue Op3, unsigned Align, bool isVolatile,
+                                  bool AlwaysInline,
+                                  MachinePointerInfo DstPtrInfo,
+                                  MachinePointerInfo SrcPtrInfo) const override;
 };
 
 }