[MC] Replace custom string join function with the one from StringExtras.
NFC.
llvm-svn: 238414
diff --git a/llvm/lib/MC/SubtargetFeature.cpp b/llvm/lib/MC/SubtargetFeature.cpp
index 78006e0..e976a50 100644
--- a/llvm/lib/MC/SubtargetFeature.cpp
+++ b/llvm/lib/MC/SubtargetFeature.cpp
@@ -12,6 +12,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/MC/SubtargetFeature.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
@@ -59,27 +60,6 @@
V.assign(Tmp.begin(), Tmp.end());
}
-/// Join a vector of strings to a string with a comma separating each element.
-///
-static std::string Join(const std::vector<std::string> &V) {
- // Start with empty string.
- std::string Result;
- // If the vector is not empty
- if (!V.empty()) {
- // Start with the first feature
- Result = V[0];
- // For each successive feature
- for (size_t i = 1; i < V.size(); i++) {
- // Add a comma
- Result += ",";
- // Add the feature
- Result += V[i];
- }
- }
- // Return the features string
- return Result;
-}
-
/// Adding features.
void SubtargetFeatures::AddFeature(StringRef String, bool Enable) {
// Don't add empty features.
@@ -144,7 +124,7 @@
std::string SubtargetFeatures::getString() const {
- return Join(Features);
+ return join(Features.begin(), Features.end(), ",");
}
/// SetImpliedBits - For each feature that is (transitively) implied by this