[llvm] r244493 - [TableGen] NFC improving comments about what the tokenized identifiers will contain.

[Colin LeMahieu via llvm-commits]

Author: colinl
Date: Mon Aug 10 14:58:06 2015
New Revision: 244493

URL: http://llvm.org/viewvc/llvm-project?rev=244493&view=rev
Log:
[TableGen] NFC improving comments about what the tokenized identifiers will contain.

Modified:
    llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp

Modified: llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp?rev=244493&r1=244492&r2=244493&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp Mon Aug 10 14:58:06 2015
@@ -884,12 +884,13 @@ void MatchableInfo::tokenizeAsmString(co
         InTok = false;
       }
 
-      // If this isn't "${", treat like a normal token.
+      // If this isn't "${", start new identifier looking like "$xxx"
       if (i + 1 == String.size() || String[i + 1] != '{') {
         Prev = i;
         break;
       }
 
+      // If this is "${" find the next "}" and make an identifier like "${xxx}"
       StringRef::iterator End = std::find(String.begin() + i, String.end(),'}');
       assert(End != String.end() && "Missing brace in operand reference!");
       size_t EndPos = End - String.begin();