Split utility functions out of BlockProfiling.cpp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12224 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/Transforms/Instrumentation/ProfilingUtils.h b/lib/Transforms/Instrumentation/ProfilingUtils.h
new file mode 100644
index 0000000000..7e8b85f4db
--- /dev/null
+++ b/lib/Transforms/Instrumentation/ProfilingUtils.h
@@ -0,0 +1,32 @@
+//===- ProfilingUtils.h - Helper functions shared by profilers --*- C++ -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This files defines a few helper functions which are used by profile
+// instrumentation code to instrument the code.  This allows the profiler pass
+// to worry about *what* to insert, and these functions take care of *how* to do
+// it.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PROFILINGUTILS_H
+#define PROFILINGUTILS_H
+
+namespace llvm {
+  class Function;
+  class GlobalValue;
+  class ConstantPointerRef;
+  class BasicBlock;
+
+  void InsertProfilingInitCall(Function *MainFn, const char *FnName,
+                               GlobalValue *Arr);
+  void IncrementCounterInBlock(BasicBlock *BB, unsigned CounterNum,
+                               ConstantPointerRef *CounterArray);
+}
+
+#endif