MatchRegisterName() returns 0 if it can't match the register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118339 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 3cb93a3..b41b71d 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -387,8 +387,8 @@
// FIXME: Validate register for the current architecture; we have to do
// validation later, so maybe there is no need for this here.
- int RegNum = MatchRegisterName(Tok.getString());
- if (RegNum == -1)
+ unsigned RegNum = MatchRegisterName(Tok.getString());
+ if (RegNum == 0)
return -1;
Parser.Lex(); // Eat identifier token.
return RegNum;