From 63ea85f089ec2d63bba87efc3d3027be9c808940 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 8 Feb 2003 23:03:17 +0000 Subject: Remove explicit result counters llvm-svn: 5508 --- llvm/lib/Analysis/DataStructure/Steensgaard.cpp | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) (limited to 'llvm/lib/Analysis/DataStructure/Steensgaard.cpp') diff --git a/llvm/lib/Analysis/DataStructure/Steensgaard.cpp b/llvm/lib/Analysis/DataStructure/Steensgaard.cpp index d7a49482051..6ea24494837 100644 --- a/llvm/lib/Analysis/DataStructure/Steensgaard.cpp +++ b/llvm/lib/Analysis/DataStructure/Steensgaard.cpp @@ -11,12 +11,6 @@ #include "llvm/Analysis/DSGraph.h" #include "llvm/Analysis/AliasAnalysis.h" #include "llvm/Module.h" -#include "Support/Statistic.h" - -namespace { - Statistic<> NumNoAlias ("steens", "Number of 'no alias' replies"); - Statistic<> NumMayAlias ("steens", "Number of 'may alias' replies"); -}; namespace { class Steens : public Pass, public AliasAnalysis { @@ -75,7 +69,7 @@ namespace { // Register the pass... RegisterOpt X("steens-aa", - "Steensgaard's FlowInsensitive/ConIns alias analysis"); + "Steensgaard's alias analysis (DSGraph based)"); // Register as an implementation of AliasAnalysis RegisterAnalysisGroup Y; @@ -198,7 +192,7 @@ bool Steens::run(Module &M) { // FIXME: We should be able to disable the globals graph for steens! ResultGraph->removeDeadNodes(DSGraph::KeepUnreachableGlobals); - DEBUG(print(std::cerr, &M)); + //print(std::cerr, &M); return false; } @@ -216,10 +210,9 @@ AliasAnalysis::Result Steens::alias(const Value *V1, const Value *V2) { DSNodeHandle &V2H = J->second; // If the two pointers point to different data structure graph nodes, they // cannot alias! - if (V1H.getNode() != V2H.getNode()) { // FIXME: Handle incompleteness! - ++NumNoAlias; + if (V1H.getNode() != V2H.getNode()) // FIXME: Handle incompleteness! return NoAlias; - } + // FIXME: If the two pointers point to the same node, and the offsets are // different, and the LinkIndex vector doesn't alias the section, then the // two pointers do not alias. We need access size information for the two @@ -228,9 +221,6 @@ AliasAnalysis::Result Steens::alias(const Value *V1, const Value *V2) { } } - // Since Steensgaard cannot do any better, count it as a 'may alias' - ++NumMayAlias; - // If we cannot determine alias properties based on our graph, fall back on // some other AA implementation. // -- cgit v1.2.3