Added an AsmLexer for the ARM target, which uses
a simple mapping of register names to IDs to
identify register tokens.

llvm-svn: 100685
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index cf55377..bfa89c4 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -812,8 +812,11 @@
   return false;
 }
 
+extern "C" void LLVMInitializeARMAsmLexer();
+
 /// Force static initialization.
 extern "C" void LLVMInitializeARMAsmParser() {
   RegisterAsmParser<ARMAsmParser> X(TheARMTarget);
   RegisterAsmParser<ARMAsmParser> Y(TheThumbTarget);
+  LLVMInitializeARMAsmLexer();
 }