vendor/llvm/llvm-trunk-r351319

1 files changed, 21 insertions, 0 deletions

diff --git a/lib/Analysis/GuardUtils.cpp b/lib/Analysis/GuardUtils.cpp
new file mode 100644
index 000000000000..08fa6abeafb5
--- /dev/null
+++ b/lib/Analysis/GuardUtils.cpp
@@ -0,0 +1,21 @@
+//===-- GuardUtils.cpp - Utils for work with guards -------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// Utils that are used to perform analyzes related to guards and their
+// conditions.
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Analysis/GuardUtils.h"
+#include "llvm/IR/PatternMatch.h"
+
+using namespace llvm;
+
+bool llvm::isGuard(const User *U) {
+  using namespace llvm::PatternMatch;
+  return match(U, m_Intrinsic<Intrinsic::experimental_guard>());
+}