MIR Parser: Move the function 'lexName'. NFC.

This commit moves the function 'lexName' to the start of the file so it can
be reused by the function which will lex the named LLVM IR block references.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243449 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MIRParser/MILexer.cpp b/lib/CodeGen/MIRParser/MILexer.cpp
index d730dce6c7526cf61bbcc475e999a93b83af65cb..5cdf9cfb7a7b32acabab2f72db16546e87dc7dfb 100644 (file)
--- a/lib/CodeGen/MIRParser/MILexer.cpp
+++ b/lib/CodeGen/MIRParser/MILexer.cpp
@@ -114,6 +114,26 @@ static Cursor lexStringConstant(
   return C;
 }
 
+static Cursor lexName(
+    Cursor C, MIToken &Token, MIToken::TokenKind Type,
+    MIToken::TokenKind QuotedType, unsigned PrefixLength,
+    function_ref<void(StringRef::iterator Loc, const Twine &)> ErrorCallback) {
+  auto Range = C;
+  C.advance(PrefixLength);
+  if (C.peek() == '"') {
+    if (Cursor R = lexStringConstant(C, ErrorCallback)) {
+      Token = MIToken(QuotedType, Range.upto(R), PrefixLength);
+      return R;
+    }
+    Token = MIToken(MIToken::Error, Range.remaining());
+    return Range;
+  }
+  while (isIdentifierChar(C.peek()))
+    C.advance();
+  Token = MIToken(Type, Range.upto(C), PrefixLength);
+  return C;
+}
+
 static MIToken::TokenKind getIdentifierKind(StringRef Identifier) {
   return StringSwitch<MIToken::TokenKind>(Identifier)
       .Case("_", MIToken::underscore)
@@ -248,26 +268,6 @@ static Cursor maybeLexRegister(Cursor C, MIToken &Token) {
   return C;
 }
 
-static Cursor lexName(
-    Cursor C, MIToken &Token, MIToken::TokenKind Type,
-    MIToken::TokenKind QuotedType, unsigned PrefixLength,
-    function_ref<void(StringRef::iterator Loc, const Twine &)> ErrorCallback) {
-  auto Range = C;
-  C.advance(PrefixLength);
-  if (C.peek() == '"') {
-    if (Cursor R = lexStringConstant(C, ErrorCallback)) {
-      Token = MIToken(QuotedType, Range.upto(R), PrefixLength);
-      return R;
-    }
-    Token = MIToken(MIToken::Error, Range.remaining());
-    return Range;
-  }
-  while (isIdentifierChar(C.peek()))
-    C.advance();
-  Token = MIToken(Type, Range.upto(C), PrefixLength);
-  return C;
-}
-
 static Cursor maybeLexGlobalValue(
     Cursor C, MIToken &Token,
     function_ref<void(StringRef::iterator Loc, const Twine &)> ErrorCallback) {