Move misc clients to IdentifierInfo StringRef API.
 - strcmp -> ==
 - OS.write(II->getName() ...) -> OS << II->getNameStr()
 - Avoid std::string concatenation
 - Use getNameStr().str() when an std::string is really needed.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84437 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/RewriteMacros.cpp b/lib/Frontend/RewriteMacros.cpp
index d92f5c7..846d476 100644
--- a/lib/Frontend/RewriteMacros.cpp
+++ b/lib/Frontend/RewriteMacros.cpp
@@ -128,13 +128,13 @@
       // comment the line out.
       if (RawTokens[CurRawTok].is(tok::identifier)) {
         const IdentifierInfo *II = RawTokens[CurRawTok].getIdentifierInfo();
-        if (!strcmp(II->getName(), "warning")) {
+        if (II->getNameStr() == "warning") {
           // Comment out #warning.
           RB.InsertTextAfter(SM.getFileOffset(RawTok.getLocation()), "//");
-        } else if (!strcmp(II->getName(), "pragma") &&
+        } else if (II->getNameStr() == "pragma" &&
                    RawTokens[CurRawTok+1].is(tok::identifier) &&
-                  !strcmp(RawTokens[CurRawTok+1].getIdentifierInfo()->getName(),
-                          "mark")){
+                   (RawTokens[CurRawTok+1].getIdentifierInfo()->getNameStr() ==
+                    "mark")) {
           // Comment out #pragma mark.
           RB.InsertTextAfter(SM.getFileOffset(RawTok.getLocation()), "//");
         }