[X86] Stop passing two arguments by reference. NFC

I think these used to be out parameters, but they haven't been for a while.

llvm-svn: 326417

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index 15a09ee61bb..11e0b68a664 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -6648,7 +6648,7 @@ static bool isHReg(unsigned Reg) {
 }
 
 // Try and copy between VR128/VR64 and GR64 registers.
-static unsigned CopyToFromAsymmetricReg(unsigned &DestReg, unsigned &SrcReg,
+static unsigned CopyToFromAsymmetricReg(unsigned DestReg, unsigned SrcReg,
                                         const X86Subtarget &Subtarget) {
   bool HasAVX = Subtarget.hasAVX();
   bool HasAVX512 = Subtarget.hasAVX512();