Add comments to the handling of opcode CPS3p to reject invalid instruction encoding,

[oota-llvm.git] / lib / Transforms / Instrumentation / EdgeProfiling.cpp

diff --git a/lib/Transforms/Instrumentation/EdgeProfiling.cpp b/lib/Transforms/Instrumentation/EdgeProfiling.cpp
index ed9ff5087750410a75ddb06ff77e39294d193dcc..1d31fcc4df3f207b5ff7c429df0b26b8e86c94a3 100644 (file)
--- 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 <set>
 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<EdgeProfiler>
-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);