Vendor import of llvm trunk r178860:

http://llvm.org/svn/llvm-project/llvm/trunk@178860

1 files changed, 58 insertions, 0 deletions

diff --git a/include/llvm/Transforms/Utils/BlackList.h b/include/llvm/Transforms/Utils/BlackList.h
new file mode 100644
index 0000000..f19470e
--- /dev/null
+++ b/include/llvm/Transforms/Utils/BlackList.h
@@ -0,0 +1,58 @@
+//===-- BlackList.h - blacklist for sanitizers ------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//===----------------------------------------------------------------------===//
+//
+// This is a utility class for instrumentation passes (like AddressSanitizer
+// or ThreadSanitizer) to avoid instrumenting some functions or global
+// variables based on a user-supplied blacklist.
+//
+// The blacklist disables instrumentation of various functions and global
+// variables.  Each line contains a prefix, followed by a wild card expression.
+// Empty lines and lines starting with "#" are ignored.
+// ---
+// # Blacklisted items:
+// fun:*_ZN4base6subtle*
+// global:*global_with_bad_access_or_initialization*
+// global-init:*global_with_initialization_issues*
+// global-init-type:*Namespace::ClassName*
+// src:file_with_tricky_code.cc
+// ---
+// Note that the wild card is in fact an llvm::Regex, but * is automatically
+// replaced with .*
+// This is similar to the "ignore" feature of ThreadSanitizer.
+// http://code.google.com/p/data-race-test/wiki/ThreadSanitizerIgnores
+//
+//===----------------------------------------------------------------------===//
+//
+
+#include "llvm/ADT/StringMap.h"
+
+namespace llvm {
+class Function;
+class GlobalVariable;
+class Module;
+class Regex;
+class StringRef;
+
+class BlackList {
+ public:
+  BlackList(const StringRef Path);
+  // Returns whether either this function or it's source file are blacklisted.
+  bool isIn(const Function &F) const;
+  // Returns whether either this global or it's source file are blacklisted.
+  bool isIn(const GlobalVariable &G) const;
+  // Returns whether this module is blacklisted by filename.
+  bool isIn(const Module &M) const;
+  // Returns whether a global should be excluded from initialization checking.
+  bool isInInit(const GlobalVariable &G) const;
+ private:
+  StringMap<Regex*> Entries;
+
+  bool inSection(const StringRef Section, const StringRef Query) const;
+};
+
+}  // namespace llvm