Automatically fold COPY instructions into stack load/store.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108012 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 902a29c..6a4bc7c 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -1204,7 +1204,7 @@
 
   // FIXME: VMOVQQ and VMOVQQQQ?
 
-  return false;
+  return TargetInstrInfoImpl::canFoldMemoryOperand(MI, Ops);
 }
 
 /// Create a copy of a const pool value. Update CPI to the new index and return