Also recognize ARM v4t and v5e variants.

llvm-svn: 133002
diff --git a/llvm/lib/Target/ARM/ARMAsmBackend.cpp b/llvm/lib/Target/ARM/ARMAsmBackend.cpp
index 618a2b5..db132da 100644
--- a/llvm/lib/Target/ARM/ARMAsmBackend.cpp
+++ b/llvm/lib/Target/ARM/ARMAsmBackend.cpp
@@ -505,7 +505,13 @@
   Triple TheTriple(TT);
 
   if (TheTriple.isOSDarwin()) {
-    if (TheTriple.getArchName() == "armv6" ||
+    if (TheTriple.getArchName() == "armv4t" ||
+        TheTriple.getArchName() == "thumbv4t")
+      return new DarwinARMAsmBackend(T, object::mach::CSARM_V4T);
+    else if (TheTriple.getArchName() == "armv5e" ||
+        TheTriple.getArchName() == "thumbv5e")
+      return new DarwinARMAsmBackend(T, object::mach::CSARM_V5TEJ);
+    else if (TheTriple.getArchName() == "armv6" ||
         TheTriple.getArchName() == "thumbv6")
       return new DarwinARMAsmBackend(T, object::mach::CSARM_V6);
     return new DarwinARMAsmBackend(T, object::mach::CSARM_V7);