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, 3 deletions

diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index 79cc4e1fee1..aaa4f490595 100644
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -241,7 +241,7 @@ namespace {
 
     void emitSpecialCodeForMain();
 
-    inline void getAddressOperands(X86ISelAddressMode &AM, SDLoc DL,
+    inline void getAddressOperands(X86ISelAddressMode &AM, const SDLoc &DL,
                                    SDValue &Base, SDValue &Scale,
                                    SDValue &Index, SDValue &Disp,
                                    SDValue &Segment) {
@@ -360,12 +360,12 @@ namespace {
     }
 
     /// Return a target constant with the specified value of type i8.
-    inline SDValue getI8Imm(unsigned Imm, SDLoc DL) {
+    inline SDValue getI8Imm(unsigned Imm, const SDLoc &DL) {
       return CurDAG->getTargetConstant(Imm, DL, MVT::i8);
     }
 
     /// Return a target constant with the specified value, of type i32.
-    inline SDValue getI32Imm(unsigned Imm, SDLoc DL) {
+    inline SDValue getI32Imm(unsigned Imm, const SDLoc &DL) {
       return CurDAG->getTargetConstant(Imm, DL, MVT::i32);
     }