Use llvm::is_contained. NFC

llvm-svn: 353635
diff --git a/clang/utils/TableGen/NeonEmitter.cpp b/clang/utils/TableGen/NeonEmitter.cpp
index 6965f88..ecd7c3f 100644
--- a/clang/utils/TableGen/NeonEmitter.cpp
+++ b/clang/utils/TableGen/NeonEmitter.cpp
@@ -2471,7 +2471,7 @@
          I != Defs.end(); /*No step*/) {
       bool DependenciesSatisfied = true;
       for (auto *II : (*I)->getDependencies()) {
-        if (std::find(Defs.begin(), Defs.end(), II) != Defs.end())
+        if (llvm::is_contained(Defs, II))
           DependenciesSatisfied = false;
       }
       if (!DependenciesSatisfied) {
@@ -2580,7 +2580,7 @@
          I != Defs.end(); /*No step*/) {
       bool DependenciesSatisfied = true;
       for (auto *II : (*I)->getDependencies()) {
-        if (std::find(Defs.begin(), Defs.end(), II) != Defs.end())
+        if (llvm::is_contained(Defs, II))
           DependenciesSatisfied = false;
       }
       if (!DependenciesSatisfied) {