X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTransforms%2FInstrumentation%2FEdgeProfiling.cpp;h=1d31fcc4df3f207b5ff7c429df0b26b8e86c94a3;hb=ce1868b21ce91245622964da1408cdec76af77a8;hp=ed9ff5087750410a75ddb06ff77e39294d193dcc;hpb=cfa6ec92e61a1ab040c2b79db5de3a39df732ff6;p=oota-llvm.git diff --git a/lib/Transforms/Instrumentation/EdgeProfiling.cpp b/lib/Transforms/Instrumentation/EdgeProfiling.cpp index ed9ff508775..1d31fcc4df3 100644 --- a/lib/Transforms/Instrumentation/EdgeProfiling.cpp +++ b/lib/Transforms/Instrumentation/EdgeProfiling.cpp @@ -16,29 +16,38 @@ // number of counters inserted. // //===----------------------------------------------------------------------===// +#define DEBUG_TYPE "insert-edge-profiling" #include "ProfilingUtils.h" #include "llvm/Module.h" #include "llvm/Pass.h" -#include "llvm/Support/Compiler.h" #include "llvm/Support/raw_ostream.h" #include "llvm/Transforms/Utils/BasicBlockUtils.h" #include "llvm/Transforms/Instrumentation.h" +#include "llvm/ADT/Statistic.h" #include using namespace llvm; +STATISTIC(NumEdgesInserted, "The # of edges inserted."); + namespace { - class VISIBILITY_HIDDEN EdgeProfiler : public ModulePass { + class EdgeProfiler : public ModulePass { bool runOnModule(Module &M); public: static char ID; // Pass identification, replacement for typeid - EdgeProfiler() : ModulePass(&ID) {} + EdgeProfiler() : ModulePass(ID) { + initializeEdgeProfilerPass(*PassRegistry::getPassRegistry()); + } + + virtual const char *getPassName() const { + return "Edge Profiler"; + } }; } char EdgeProfiler::ID = 0; -static RegisterPass -X("insert-edge-profiling", "Insert instrumentation for edge profiling"); +INITIALIZE_PASS(EdgeProfiler, "insert-edge-profiling", + "Insert instrumentation for edge profiling", false, false) ModulePass *llvm::createEdgeProfilerPass() { return new EdgeProfiler(); } @@ -69,6 +78,7 @@ bool EdgeProfiler::runOnModule(Module &M) { GlobalVariable *Counters = new GlobalVariable(M, ATy, false, GlobalValue::InternalLinkage, Constant::getNullValue(ATy), "EdgeProfCounters"); + NumEdgesInserted = NumEdges; // Instrument all of the edges... unsigned i = 0; @@ -91,7 +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);