Regression tests for PR258 and PR259.

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

diff --git a/lib/Analysis/AliasAnalysisEvaluator.cpp b/lib/Analysis/AliasAnalysisEvaluator.cpp
index 7a4a193b8d2715069977925a3abb2a3828934511..073300c502470bb512042cc7a0b9bd4030ffe575 100644 (file)
--- a/lib/Analysis/AliasAnalysisEvaluator.cpp
+++ b/lib/Analysis/AliasAnalysisEvaluator.cpp
@@ -1,4 +1,11 @@
 //===- AliasAnalysisEvaluator.cpp - Alias Analysis Accuracy Evaluator -----===//
+// 
+//                     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 implements a simple N^2 alias analysis accuracy evaluator.
 // Basically, for each function in the program, it simply queries to see how the
@@ -17,11 +24,13 @@
 #include "llvm/Support/InstIterator.h"
 #include "llvm/Assembly/Writer.h"
 #include "Support/CommandLine.h"
+#include <set>
+using namespace llvm;
 
 namespace {
-  cl::opt<bool> PrintNo  ("print-no-alias-results", cl::ReallyHidden);
-  cl::opt<bool> PrintMay ("print-may-alias-results", cl::ReallyHidden);
-  cl::opt<bool> PrintMust("print-must-alias-results", cl::ReallyHidden);
+  cl::opt<bool> PrintNo  ("print-no-aliases", cl::ReallyHidden);
+  cl::opt<bool> PrintMay ("print-may-aliases", cl::ReallyHidden);
+  cl::opt<bool> PrintMust("print-must-aliases", cl::ReallyHidden);
 
   class AAEval : public FunctionPass {
     unsigned No, May, Must;
@@ -41,43 +50,48 @@ namespace {
   X("aa-eval", "Exhaustive Alias Analysis Precision Evaluator");
 }
 
-static inline void PrintResults(const char *Msg, bool P, Value *V1, Value *V2) {
+static inline void PrintResults(const char *Msg, bool P, Value *V1, Value *V2,
+                                Module *M) {
   if (P) {
     std::cerr << "  " << Msg << ":\t";
-    WriteAsOperand(std::cerr, V1) << ", ";
-    WriteAsOperand(std::cerr, V2) << "\n";
+    WriteAsOperand(std::cerr, V1, true, true, M) << ", ";
+    WriteAsOperand(std::cerr, V2, true, true, M) << "\n";
   }
 }
 
 bool AAEval::runOnFunction(Function &F) {
   AliasAnalysis &AA = getAnalysis<AliasAnalysis>();
   
-  std::vector<Value *> Pointers;
+  std::set<Value *> Pointers;
 
   for (Function::aiterator I = F.abegin(), E = F.aend(); I != E; ++I)
     if (isa<PointerType>(I->getType()))    // Add all pointer arguments
-      Pointers.push_back(I);
+      Pointers.insert(I);
 
-  for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I)
+  for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I) {
     if (isa<PointerType>((*I)->getType())) // Add all pointer instructions
-      Pointers.push_back(*I);
+      Pointers.insert(*I);
+    for (User::op_iterator OI = (*I)->op_begin(); OI != (*I)->op_end(); ++OI)
+      if (isa<PointerType>((*OI)->getType()))
+        Pointers.insert(*OI);
+  }
 
   if (PrintNo || PrintMay || PrintMust)
     std::cerr << "Function: " << F.getName() << "\n";
 
   // iterate over the worklist, and run the full (n^2)/2 disambiguations
-  for (std::vector<Value *>::iterator I1 = Pointers.begin(), E = Pointers.end();
+  for (std::set<Value *>::iterator I1 = Pointers.begin(), E = Pointers.end();
        I1 != E; ++I1)
-    for (std::vector<Value *>::iterator I2 = Pointers.begin(); I2 != I1; ++I2)
-      switch (AA.alias(*I1, *I2)) {
+    for (std::set<Value *>::iterator I2 = Pointers.begin(); I2 != I1; ++I2)
+      switch (AA.alias(*I1, 0, *I2, 0)) {
       case AliasAnalysis::NoAlias:
-        PrintResults("No", PrintNo, *I1, *I2);
+        PrintResults("No", PrintNo, *I1, *I2, F.getParent());
         ++No; break;
       case AliasAnalysis::MayAlias:
-        PrintResults("May", PrintMay, *I1, *I2);
+        PrintResults("May", PrintMay, *I1, *I2, F.getParent());
         ++May; break;
       case AliasAnalysis::MustAlias:
-        PrintResults("Must", PrintMust, *I1, *I2);
+        PrintResults("Must", PrintMust, *I1, *I2, F.getParent());
         ++Must; break;
       default:
         std::cerr << "Unknown alias query result!\n";