TargetParser.cpp: Fixup -- StringRef::startswith() is better here. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253570 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/TargetParser.cpp b/lib/Support/TargetParser.cpp
index 371ae35c54a39a0fa97c107eaf216bdd3a394928..75e4b4bed56fff1c681be2c7d41438f369d262e3 100644 (file)
--- a/lib/Support/TargetParser.cpp
+++ b/lib/Support/TargetParser.cpp
@@ -331,7 +331,7 @@ StringRef llvm::ARM::getArchExtName(unsigned ArchExtKind) {
 }
 
 const char *llvm::ARM::getArchExtFeature(StringRef ArchExt) {
-  if (ArchExt.substr(0, 2) == "no") {
+  if (ArchExt.startswith("no")) {
     StringRef ArchExtBase(ArchExt.substr(2));
     for (const auto AE : ARCHExtNames) {
       if (AE.NegFeature && ArchExtBase == AE.getName())