Implementation of path profiling.

Modified patch by Adam Preuss.

This builds on the existing framework for block tracing, edge profiling and optimal edge profiling.
See -help-hidden for new flags.
For documentation, see the technical report "Implementation of Path Profiling..." in llvm.org/pubs.

llvm-svn: 124515

1 files changed, 5 insertions, 2 deletions

diff --git a/llvm/lib/Transforms/Instrumentation/ProfilingUtils.h b/llvm/lib/Transforms/Instrumentation/ProfilingUtils.h
index 94efffec8a3..a76e3576e1c 100644
--- a/llvm/lib/Transforms/Instrumentation/ProfilingUtils.h
+++ b/llvm/lib/Transforms/Instrumentation/ProfilingUtils.h
@@ -21,11 +21,14 @@ namespace llvm {
   class Function;
   class GlobalValue;
   class BasicBlock;
+  class PointerType;
 
   void InsertProfilingInitCall(Function *MainFn, const char *FnName,
-                               GlobalValue *Arr = 0);
+                               GlobalValue *Arr = 0,
+                               PointerType *arrayType = 0);
   void IncrementCounterInBlock(BasicBlock *BB, unsigned CounterNum,
-                               GlobalValue *CounterArray);
+                               GlobalValue *CounterArray,
+                               bool beginning = true);
 }
 
 #endif