#define DEBUG_TYPE "insert-gcov-profiling"
#include "llvm/Transforms/Instrumentation.h"
-#include "ProfilingUtils.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
// Returns the length measured in 4-byte blocks that will be used to
// represent this string in a GCOV file
- unsigned lengthOfGCOVString(StringRef s) {
+ static unsigned lengthOfGCOVString(StringRef s) {
// A GCOV string is a length, followed by a NUL, then between 0 and 3 NULs
// padding out to the next 4-byte word. The length is measured in 4-byte
// words including padding, not bytes of actual string.
Lines.push_back(Line);
}
- uint32_t length() {
+ uint32_t length() const {
// Here 2 = 1 for string length + 1 for '0' id#.
return lengthOfGCOVString(Filename) + 2 + Lines.size();
}
TerminatorInst *TI = BB->getTerminator();
int Successors = isa<ReturnInst>(TI) ? 1 : TI->getNumSuccessors();
if (Successors) {
- IRBuilder<> Builder(TI);
-
if (Successors == 1) {
+ IRBuilder<> Builder(BB->getFirstInsertionPt());
Value *Counter = Builder.CreateConstInBoundsGEP2_64(Counters, 0,
Edge);
Value *Count = Builder.CreateLoad(Counter);
Count = Builder.CreateAdd(Count, Builder.getInt64(1));
Builder.CreateStore(Count, Counter);
} else if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {
+ IRBuilder<> Builder(BI);
Value *Sel = Builder.CreateSelect(BI->getCondition(),
Builder.getInt64(Edge),
Builder.getInt64(Edge + 1));
for (int i = 0; i != Successors; ++i)
ComplexEdgeSuccs.insert(TI->getSuccessor(i));
}
+
Edge += Successors;
}
}
GlobalVariable *EdgeState = getEdgeStateValue();
for (int i = 0, e = ComplexEdgePreds.size(); i != e; ++i) {
- IRBuilder<> Builder(ComplexEdgePreds[i+1]->getTerminator());
+ IRBuilder<> Builder(ComplexEdgePreds[i + 1]->getFirstInsertionPt());
Builder.CreateStore(Builder.getInt32(i), EdgeState);
}
+
for (int i = 0, e = ComplexEdgeSuccs.size(); i != e; ++i) {
- // call runtime to perform increment
- BasicBlock::iterator InsertPt =
- ComplexEdgeSuccs[i+1]->getFirstInsertionPt();
- IRBuilder<> Builder(InsertPt);
+ // Call runtime to perform increment.
+ IRBuilder<> Builder(ComplexEdgeSuccs[i+1]->getFirstInsertionPt());
Value *CounterPtrArray =
Builder.CreateConstInBoundsGEP2_64(EdgeTable, 0,
i * ComplexEdgePreds.size());
};
FTy = FunctionType::get(Builder.getVoidTy(), Params, false);
- // Inialize the environment and register the local writeout and flush
+ // Initialize the environment and register the local writeout and flush
// functions.
Constant *GCOVInit = M->getOrInsertFunction("llvm_gcov_init", FTy);
Builder.CreateCall2(GCOVInit, WriteoutF, FlushF);