Avoid some 's' 16-bit instruction which partially update CPSR
(and add false dependency) when it isn't dependent on last CPSR defining
instruction. rdar://8928208

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129773 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp
index 2a9d480..c6f266b 100644
--- a/lib/Target/ARM/ARMSubtarget.cpp
+++ b/lib/Target/ARM/ARMSubtarget.cpp
@@ -52,6 +52,7 @@
   , HasT2ExtractPack(false)
   , HasDataBarrier(false)
   , Pref32BitThumb(false)
+  , AvoidCPSRPartialUpdate(false)
   , HasMPExtension(false)
   , FPOnlySP(false)
   , AllowsUnalignedMem(false)