Propagate debug loc info through prologue/epilogue.

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

diff --git a/lib/Analysis/AliasAnalysisCounter.cpp b/lib/Analysis/AliasAnalysisCounter.cpp
index 8c8cb3e1d48dc942e3cc624d66fdf34159cf4573..4362d7d301a80ed8bdd943f30debdfab761ed7b6 100644 (file)
--- a/lib/Analysis/AliasAnalysisCounter.cpp
+++ b/lib/Analysis/AliasAnalysisCounter.cpp
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -17,58 +17,57 @@
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Support/CommandLine.h"
-#include <iostream>
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Streams.h"
 using namespace llvm;
 
-namespace {
-  cl::opt<bool>
-  PrintAll("count-aa-print-all-queries", cl::ReallyHidden);
-  cl::opt<bool>
-  PrintAllFailures("count-aa-print-all-failed-queries", cl::ReallyHidden);
+static cl::opt<bool>
+PrintAll("count-aa-print-all-queries", cl::ReallyHidden);
+static cl::opt<bool>
+PrintAllFailures("count-aa-print-all-failed-queries", cl::ReallyHidden);
 
-  class AliasAnalysisCounter : public ModulePass, public AliasAnalysis {
+namespace {
+  class VISIBILITY_HIDDEN AliasAnalysisCounter 
+      : public ModulePass, public AliasAnalysis {
     unsigned No, May, Must;
     unsigned NoMR, JustRef, JustMod, MR;
     const char *Name;
     Module *M;
   public:
-    AliasAnalysisCounter() {
+    static char ID; // Class identification, replacement for typeinfo
+    AliasAnalysisCounter() : ModulePass(&ID) {
       No = May = Must = 0;
       NoMR = JustRef = JustMod = MR = 0;
     }
 
     void printLine(const char *Desc, unsigned Val, unsigned Sum) {
-      std::cerr <<  "  " << Val << " " << Desc << " responses ("
-                << Val*100/Sum << "%)\n";
+      cerr <<  "  " << Val << " " << Desc << " responses ("
+           << Val*100/Sum << "%)\n";
     }
     ~AliasAnalysisCounter() {
       unsigned AASum = No+May+Must;
       unsigned MRSum = NoMR+JustRef+JustMod+MR;
       if (AASum + MRSum) { // Print a report if any counted queries occurred...
-        std::cerr
-          << "\n===== Alias Analysis Counter Report =====\n"
-          << "  Analysis counted: " << Name << "\n"
-          << "  " << AASum << " Total Alias Queries Performed\n";
+        cerr << "\n===== Alias Analysis Counter Report =====\n"
+             << "  Analysis counted: " << Name << "\n"
+             << "  " << AASum << " Total Alias Queries Performed\n";
         if (AASum) {
           printLine("no alias",     No, AASum);
           printLine("may alias",   May, AASum);
           printLine("must alias", Must, AASum);
-          std::cerr
-            << "  Alias Analysis Counter Summary: " << No*100/AASum << "%/"
-            << May*100/AASum << "%/" << Must*100/AASum<<"%\n\n";
+          cerr << "  Alias Analysis Counter Summary: " << No*100/AASum << "%/"
+               << May*100/AASum << "%/" << Must*100/AASum<<"%\n\n";
         }
 
-        std::cerr
-          << "  " << MRSum    << " Total Mod/Ref Queries Performed\n";
+        cerr << "  " << MRSum    << " Total Mod/Ref Queries Performed\n";
         if (MRSum) {
           printLine("no mod/ref",    NoMR, MRSum);
           printLine("ref",        JustRef, MRSum);
           printLine("mod",        JustMod, MRSum);
           printLine("mod/ref",         MR, MRSum);
-          std::cerr
-            << "  Mod/Ref Analysis Counter Summary: " << NoMR*100/MRSum<< "%/"
-            << JustRef*100/MRSum << "%/" << JustMod*100/MRSum << "%/"
-            << MR*100/MRSum <<"%\n\n";
+          cerr << "  Mod/Ref Analysis Counter Summary: " <<NoMR*100/MRSum<< "%/"
+               << JustRef*100/MRSum << "%/" << JustMod*100/MRSum << "%/"
+               << MR*100/MRSum <<"%\n\n";
         }
       }
     }
@@ -90,9 +89,15 @@ namespace {
     bool pointsToConstantMemory(const Value *P) {
       return getAnalysis<AliasAnalysis>().pointsToConstantMemory(P);
     }
+    bool doesNotAccessMemory(CallSite CS) {
+      return getAnalysis<AliasAnalysis>().doesNotAccessMemory(CS);
+    }
     bool doesNotAccessMemory(Function *F) {
       return getAnalysis<AliasAnalysis>().doesNotAccessMemory(F);
     }
+    bool onlyReadsMemory(CallSite CS) {
+      return getAnalysis<AliasAnalysis>().onlyReadsMemory(CS);
+    }
     bool onlyReadsMemory(Function *F) {
       return getAnalysis<AliasAnalysis>().onlyReadsMemory(F);
     }
@@ -108,12 +113,13 @@ namespace {
       return AliasAnalysis::getModRefInfo(CS1,CS2);
     }
   };
-
-  RegisterOpt<AliasAnalysisCounter>
-  X("count-aa", "Count Alias Analysis Query Responses");
-  RegisterAnalysisGroup<AliasAnalysis, AliasAnalysisCounter> Y;
 }
 
+char AliasAnalysisCounter::ID = 0;
+static RegisterPass<AliasAnalysisCounter>
+X("count-aa", "Count Alias Analysis Query Responses", false, true);
+static RegisterAnalysisGroup<AliasAnalysis> Y(X);
+
 ModulePass *llvm::createAliasAnalysisCounterPass() {
   return new AliasAnalysisCounter();
 }
@@ -132,11 +138,13 @@ AliasAnalysisCounter::alias(const Value *V1, unsigned V1Size,
   }
 
   if (PrintAll || (PrintAllFailures && R == MayAlias)) {
-    std::cerr << AliasString << ":\t";
-    std::cerr << "[" << V1Size << "B] ";
-    WriteAsOperand(std::cerr, V1, true, true, M) << ", ";
-    std::cerr << "[" << V2Size << "B] ";
-    WriteAsOperand(std::cerr, V2, true, true, M) << "\n";
+    cerr << AliasString << ":\t";
+    cerr << "[" << V1Size << "B] ";
+    WriteAsOperand(*cerr.stream(), V1, true, M);
+    cerr << ", ";
+    cerr << "[" << V2Size << "B] ";
+    WriteAsOperand(*cerr.stream(), V2, true, M);
+    cerr << "\n";
   }
 
   return R;
@@ -156,10 +164,10 @@ AliasAnalysisCounter::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
   }
 
   if (PrintAll || (PrintAllFailures && R == ModRef)) {
-    std::cerr << MRString << ":  Ptr: ";
-    std::cerr << "[" << Size << "B] ";
-    WriteAsOperand(std::cerr, P, true, true, M);
-    std::cerr << "\t<->" << *CS.getInstruction();
+    cerr << MRString << ":  Ptr: ";
+    cerr << "[" << Size << "B] ";
+    WriteAsOperand(*cerr.stream(), P, true, M);
+    cerr << "\t<->" << *CS.getInstruction();
   }
   return R;
 }