[ARM XRay] Try to fix Thumb-only failure

I mised the check that it had to support ARM to work. This commit tries
to fix that, to make sure we don't emit ARM code in Thumb-only mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280935 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMSubtarget.cpp

@@ -103,7 +103,7 @@ ARMSubtarget::ARMSubtarget(const Triple &TT, const std::string &CPU,
 
 bool ARMSubtarget::isXRaySupported() const {
   // We don't currently suppport Thumb, but Windows requires Thumb.
-  return hasV6Ops() && !isTargetWindows();
+  return hasV6Ops() && hasARMOps() && !isTargetWindows();
 }
 
 void ARMSubtarget::initializeEnvironment() {