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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124515 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Instrumentation/EdgeProfiling.cpp b/lib/Transforms/Instrumentation/EdgeProfiling.cpp
index fe99b21..1d31fcc 100644
--- a/lib/Transforms/Instrumentation/EdgeProfiling.cpp
+++ b/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 @@
// 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);