Thumb ADD(immediate) parsing support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137788 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 3db8a7d..0313ef4 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -3013,6 +3013,11 @@
       Inst = TmpInst;
     }
     break;
+  case ARM::tADDi8:
+    // If the immediate is in the range 0-7, we really wanted tADDi3.
+    if (Inst.getOperand(3).getImm() < 8)
+      Inst.setOpcode(ARM::tADDi3);
+    break;
   }
 }