The BLX instruction is encoded differently than the BL, because why not? In

[oota-llvm.git] / lib / Analysis / ProfileEstimatorPass.cpp

diff --git a/lib/Analysis/ProfileEstimatorPass.cpp b/lib/Analysis/ProfileEstimatorPass.cpp
index 7cf1cc523c229638249a3c3b7770a6d1e1ae9099..2b9afe307d1aefc00ca59d323034049bccfe1505 100644 (file)
--- a/lib/Analysis/ProfileEstimatorPass.cpp
+++ b/lib/Analysis/ProfileEstimatorPass.cpp
@@ -39,7 +39,8 @@ namespace {
   public:
     static char ID; // Class identification, replacement for typeinfo
     explicit ProfileEstimatorPass(const double execcount = 0)
-      : FunctionPass(&ID), ExecCount(execcount) {
+        : FunctionPass(ID), ExecCount(execcount) {
+      initializeProfileEstimatorPassPass(*PassRegistry::getPassRegistry());
       if (execcount == 0) ExecCount = LoopWeight;
     }
 
@@ -55,6 +56,16 @@ namespace {
     /// run - Estimate the profile information from the specified file.
     virtual bool runOnFunction(Function &F);
 
+    /// getAdjustedAnalysisPointer - This method is used when a pass implements
+    /// an analysis interface through multiple inheritance.  If needed, it
+    /// should override this to adjust the this pointer as needed for the
+    /// specified pass info.
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &ProfileInfo::ID)
+        return (ProfileInfo*)this;
+      return this;
+    }
+    
     virtual void recurseBasicBlock(BasicBlock *BB);
 
     void inline printEdgeWeight(Edge);
@@ -62,13 +73,14 @@ namespace {
 }  // End of anonymous namespace
 
 char ProfileEstimatorPass::ID = 0;
-static RegisterPass<ProfileEstimatorPass>
-X("profile-estimator", "Estimate profiling information", false, true);
-
-static RegisterAnalysisGroup<ProfileInfo> Y(X);
+INITIALIZE_AG_PASS_BEGIN(ProfileEstimatorPass, ProfileInfo, "profile-estimator",
+                "Estimate profiling information", false, true, false)
+INITIALIZE_PASS_DEPENDENCY(LoopInfo)
+INITIALIZE_AG_PASS_END(ProfileEstimatorPass, ProfileInfo, "profile-estimator",
+                "Estimate profiling information", false, true, false)
 
 namespace llvm {
-  const PassInfo *ProfileEstimatorPassID = &X;
+  char &ProfileEstimatorPassID = ProfileEstimatorPass::ID;
 
   FunctionPass *createProfileEstimatorPass() {
     return new ProfileEstimatorPass();
@@ -87,11 +99,11 @@ static double ignoreMissing(double w) {
 }
 
 static void inline printEdgeError(ProfileInfo::Edge e, const char *M) {
-  DEBUG(errs() << "-- Edge " << e << " is not calculated, " << M << "\n");
+  DEBUG(dbgs() << "-- Edge " << e << " is not calculated, " << M << "\n");
 }
 
 void inline ProfileEstimatorPass::printEdgeWeight(Edge E) {
-  DEBUG(errs() << "-- Weight of Edge " << E << ":"
+  DEBUG(dbgs() << "-- Weight of Edge " << E << ":"
                << format("%20.20g", getEdgeWeight(E)) << "\n");
 }
 
@@ -179,7 +191,7 @@ void ProfileEstimatorPass::recurseBasicBlock(BasicBlock *BB) {
           // from weight.
           if (MinimalWeight.find(*ei) != MinimalWeight.end()) {
             incoming -= MinimalWeight[*ei];
-            DEBUG(errs() << "Reserving " << format("%.20g",MinimalWeight[*ei]) << " at " << (*ei) << "\n");
+            DEBUG(dbgs() << "Reserving " << format("%.20g",MinimalWeight[*ei]) << " at " << (*ei) << "\n");
           }
         } else {
           incoming -= w;
@@ -217,7 +229,7 @@ void ProfileEstimatorPass::recurseBasicBlock(BasicBlock *BB) {
       // Read necessary minimal weight.
       if (MinimalWeight.find(*ei) != MinimalWeight.end()) {
         EdgeInformation[BB->getParent()][*ei] += MinimalWeight[*ei];
-        DEBUG(errs() << "Additionally " << format("%.20g",MinimalWeight[*ei]) << " at " << (*ei) << "\n");
+        DEBUG(dbgs() << "Additionally " << format("%.20g",MinimalWeight[*ei]) << " at " << (*ei) << "\n");
       }
       printEdgeWeight(*ei);
       
@@ -232,7 +244,7 @@ void ProfileEstimatorPass::recurseBasicBlock(BasicBlock *BB) {
           MinimalWeight[e] = 0;
         }
         MinimalWeight[e] += w;
-        DEBUG(errs() << "Minimal Weight for " << e << ": " << format("%.20g",MinimalWeight[e]) << "\n");
+        DEBUG(dbgs() << "Minimal Weight for " << e << ": " << format("%.20g",MinimalWeight[e]) << "\n");
         Dest = Parent;
       }
     }
@@ -268,7 +280,7 @@ void ProfileEstimatorPass::recurseBasicBlock(BasicBlock *BB) {
         // from block weight, this is readded later on.
         if (MinimalWeight.find(edge) != MinimalWeight.end()) {
           BBWeight -= MinimalWeight[edge];
-          DEBUG(errs() << "Reserving " << format("%.20g",MinimalWeight[edge]) << " at " << edge << "\n");
+          DEBUG(dbgs() << "Reserving " << format("%.20g",MinimalWeight[edge]) << " at " << edge << "\n");
         }
       }
     }
@@ -288,7 +300,7 @@ void ProfileEstimatorPass::recurseBasicBlock(BasicBlock *BB) {
     // Readd minial necessary weight.
     if (MinimalWeight.find(*ei) != MinimalWeight.end()) {
       EdgeInformation[BB->getParent()][*ei] += MinimalWeight[*ei];
-      DEBUG(errs() << "Additionally " << format("%.20g",MinimalWeight[*ei]) << " at " << (*ei) << "\n");
+      DEBUG(dbgs() << "Additionally " << format("%.20g",MinimalWeight[*ei]) << " at " << (*ei) << "\n");
     }
     printEdgeWeight(*ei);
   }
@@ -319,12 +331,12 @@ bool ProfileEstimatorPass::runOnFunction(Function &F) {
   // Clear Minimal Edges.
   MinimalWeight.clear();
 
-  DEBUG(errs() << "Working on function " << F.getNameStr() << "\n");
+  DEBUG(dbgs() << "Working on function " << F.getNameStr() << "\n");
 
   // Since the entry block is the first one and has no predecessors, the edge
   // (0,entry) is inserted with the starting weight of 1.
   BasicBlock *entry = &F.getEntryBlock();
-  BlockInformation[&F][entry] = pow(2,32);
+  BlockInformation[&F][entry] = pow(2.0, 32.0);
   Edge edge = getEdge(0,entry);
   EdgeInformation[&F][edge] = BlockInformation[&F][entry];
   printEdgeWeight(edge);
@@ -366,7 +378,7 @@ bool ProfileEstimatorPass::runOnFunction(Function &F) {
             if (Dest != *bbi) {
               // If there is no circle, just set edge weight to 0
               EdgeInformation[&F][e] = 0;
-              DEBUG(errs() << "Assuming edge weight: ");
+              DEBUG(dbgs() << "Assuming edge weight: ");
               printEdgeWeight(e);
               found = true;
             }
@@ -375,7 +387,7 @@ bool ProfileEstimatorPass::runOnFunction(Function &F) {
       }
       if (!found) {
         cleanup = true;
-        DEBUG(errs() << "No assumption possible in Fuction "<<F.getName()<<", setting all to zero\n");
+        DEBUG(dbgs() << "No assumption possible in Fuction "<<F.getName()<<", setting all to zero\n");
       }
     }
   }
@@ -388,7 +400,7 @@ bool ProfileEstimatorPass::runOnFunction(Function &F) {
     for (Function::const_iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI) {
       const BasicBlock *BB = &(*FI);
       BlockInformation[&F][BB] = 0;
-      pred_const_iterator predi = pred_begin(BB), prede = pred_end(BB);
+      const_pred_iterator predi = pred_begin(BB), prede = pred_end(BB);
       if (predi == prede) {
         Edge e = getEdge(0,BB);
         setEdgeWeight(e,0);