ARM assembly parsing and encoding for UMLAL.

Fix parsing of the 's' suffix for the mnemonic. Add tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136274 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 352e902..6af5281 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -2359,7 +2359,8 @@
   // First, split out any predication code. Ignore mnemonics we know aren't
   // predicated but do have a carry-set and so weren't caught above.
   if (Mnemonic != "adcs" && Mnemonic != "bics" && Mnemonic != "movs" &&
-      Mnemonic != "muls" && Mnemonic != "smlals" && Mnemonic != "smulls") {
+      Mnemonic != "muls" && Mnemonic != "smlals" && Mnemonic != "smulls" &&
+      Mnemonic != "umlals") {
     unsigned CC = StringSwitch<unsigned>(Mnemonic.substr(Mnemonic.size()-2))
       .Case("eq", ARMCC::EQ)
       .Case("ne", ARMCC::NE)