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, 2 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Instrumentation/EdgeProfiling.cpp b/llvm/lib/Transforms/Instrumentation/EdgeProfiling.cpp
index fe99b21a886..1d31fcc4df3 100644
--- a/llvm/lib/Transforms/Instrumentation/EdgeProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/EdgeProfiling.cpp
@@ -17,6 +17,7 @@
 //
 //===----------------------------------------------------------------------===//
 #define DEBUG_TYPE "insert-edge-profiling"
+
 #include "ProfilingUtils.h"
 #include "llvm/Module.h"
 #include "llvm/Pass.h"
@@ -100,7 +101,7 @@ bool EdgeProfiler::runOnModule(Module &M) {
           // otherwise insert it in the successor block.
           if (TI->getNumSuccessors() == 1) {
             // Insert counter at the start of the block
-            IncrementCounterInBlock(BB, i++, Counters);
+            IncrementCounterInBlock(BB, i++, Counters, false);
           } else {
             // Insert counter at the start of the block
             IncrementCounterInBlock(TI->getSuccessor(s), i++, Counters);