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Diffstat (limited to 'lib/Transforms/Instrumentation/PathProfiling.cpp')
-rw-r--r--lib/Transforms/Instrumentation/PathProfiling.cpp14
1 files changed, 9 insertions, 5 deletions
diff --git a/lib/Transforms/Instrumentation/PathProfiling.cpp b/lib/Transforms/Instrumentation/PathProfiling.cpp
index 6449b39cfc9d..6b3f12dcbc84 100644
--- a/lib/Transforms/Instrumentation/PathProfiling.cpp
+++ b/lib/Transforms/Instrumentation/PathProfiling.cpp
@@ -63,7 +63,6 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Instrumentation.h"
-#include <map>
#include <vector>
#define HASH_THRESHHOLD 100000
@@ -259,7 +258,7 @@ private:
};
// ---------------------------------------------------------------------------
-// PathProfiler is a module pass which intruments path profiling instructions
+// PathProfiler is a module pass which instruments path profiling instructions
// ---------------------------------------------------------------------------
class PathProfiler : public ModulePass {
private:
@@ -389,6 +388,9 @@ namespace llvm {
// BallLarusEdge << operator overloading
raw_ostream& operator<<(raw_ostream& os,
+ const BLInstrumentationEdge& edge)
+ LLVM_ATTRIBUTE_USED;
+ raw_ostream& operator<<(raw_ostream& os,
const BLInstrumentationEdge& edge) {
os << "[" << edge.getSource()->getName() << " -> "
<< edge.getTarget()->getName() << "] init: "
@@ -929,14 +931,16 @@ BasicBlock::iterator PathProfiler::getInsertionPoint(BasicBlock* block, Value*
void PathProfiler::preparePHI(BLInstrumentationNode* node) {
BasicBlock* block = node->getBlock();
BasicBlock::iterator insertPoint = block->getFirstNonPHI();
- PHINode* phi = PHINode::Create(Type::getInt32Ty(*Context), "pathNumber",
+ pred_iterator PB = pred_begin(node->getBlock()),
+ PE = pred_end(node->getBlock());
+ PHINode* phi = PHINode::Create(Type::getInt32Ty(*Context),
+ std::distance(PB, PE), "pathNumber",
insertPoint );
node->setPathPHI(phi);
node->setStartingPathNumber(phi);
node->setEndingPathNumber(phi);
- for(pred_iterator predIt = pred_begin(node->getBlock()),
- end = pred_end(node->getBlock()); predIt != end; predIt++) {
+ for(pred_iterator predIt = PB; predIt != PE; predIt++) {
BasicBlock* pred = (*predIt);
if(pred != NULL)