[tblgen] Compare const char * with strcmp instead of creating StringRef.
Avoids a call to strlen on both strings which always reads the entire
string. strcmp can use early exit.
llvm-svn: 276737
diff --git a/llvm/utils/TableGen/SearchableTableEmitter.cpp b/llvm/utils/TableGen/SearchableTableEmitter.cpp
index 8c1b8804..80f0b0d 100644
--- a/llvm/utils/TableGen/SearchableTableEmitter.cpp
+++ b/llvm/utils/TableGen/SearchableTableEmitter.cpp
@@ -193,7 +193,7 @@
} else {
// Make sure the result is null terminated because it's going via "char *".
OS << " std::string CanonicalVal = " << Field << ".upper();\n";
- OS << " " << PairType << " Val = {CanonicalVal.data(), 0};\n";
+ OS << " " << PairType << " Val = {CanonicalVal.c_str(), 0};\n";
}
OS << " ArrayRef<" << PairType << "> Table(" << Name << "sBy" << Field
@@ -206,7 +206,7 @@
OS << ",\n ";
OS << "[](const " << PairType << " &LHS, const " << PairType
<< " &RHS) {\n";
- OS << " return StringRef(LHS.first) < StringRef(RHS.first);\n";
+ OS << " return std::strcmp(LHS.first, RHS.first) < 0;\n";
OS << " });\n\n";
}