Use remove_if to erase parts of a vector. Avoids O(n^2) worst cases.
llvm-svn: 181150
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index 8fe4baa5..8bd5172 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -1037,16 +1037,17 @@
}
-static void checkAndRemoveNonDriverDiags(SmallVectorImpl<StoredDiagnostic> &
- StoredDiagnostics) {
+static bool isNonDriverDiag(const StoredDiagnostic &StoredDiag) {
+ return StoredDiag.getLocation().isValid();
+}
+
+static void
+checkAndRemoveNonDriverDiags(SmallVectorImpl<StoredDiagnostic> &StoredDiags) {
// Get rid of stored diagnostics except the ones from the driver which do not
// have a source location.
- for (unsigned I = 0; I < StoredDiagnostics.size(); ++I) {
- if (StoredDiagnostics[I].getLocation().isValid()) {
- StoredDiagnostics.erase(StoredDiagnostics.begin()+I);
- --I;
- }
- }
+ StoredDiags.erase(
+ std::remove_if(StoredDiags.begin(), StoredDiags.end(), isNonDriverDiag),
+ StoredDiags.end());
}
static void checkAndSanitizeDiags(SmallVectorImpl<StoredDiagnostic> &