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Teach AliasAnalysisCounter about PartialAlias.

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llvm-svn: 121513
This commit is contained in:
Dan Gohman 2010-12-10 19:53:05 +00:00
parent 26e1b4ac11
commit cbee92bb65
1 changed files with 8 additions and 4 deletions
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12
lib/Analysis/AliasAnalysisCounter.cpp
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@ -29,14 +29,14 @@ PrintAllFailures("count-aa-print-all-failed-queries", cl::ReallyHidden);
namespace {
class AliasAnalysisCounter : public ModulePass, public AliasAnalysis {
unsigned No, May, Must;
unsigned No, May, Partial, Must;
unsigned NoMR, JustRef, JustMod, MR;
Module *M;
public:
static char ID; // Class identification, replacement for typeinfo
AliasAnalysisCounter() : ModulePass(ID) {
initializeAliasAnalysisCounterPass(*PassRegistry::getPassRegistry());
No = May = Must = 0;
No = May = Partial = Must = 0;
NoMR = JustRef = JustMod = MR = 0;
}
@ -45,7 +45,7 @@ namespace {
<< Val*100/Sum << "%)\n";
}
~AliasAnalysisCounter() {
unsigned AASum = No+May+Must;
unsigned AASum = No+May+Partial+Must;
unsigned MRSum = NoMR+JustRef+JustMod+MR;
if (AASum + MRSum) { // Print a report if any counted queries occurred...
errs() << "\n===== Alias Analysis Counter Report =====\n"
@ -54,9 +54,12 @@ namespace {
if (AASum) {
printLine("no alias", No, AASum);
printLine("may alias", May, AASum);
printLine("partial alias", Partial, AASum);
printLine("must alias", Must, AASum);
errs() << " Alias Analysis Counter Summary: " << No*100/AASum << "%/"
<< May*100/AASum << "%/" << Must*100/AASum<<"%\n\n";
<< May*100/AASum << "%/"
<< Partial*100/AASum << "%/"
<< Must*100/AASum<<"%\n\n";
}
errs() << " " << MRSum << " Total Mod/Ref Queries Performed\n";
@ -129,6 +132,7 @@ AliasAnalysisCounter::alias(const Location &LocA, const Location &LocB) {
default: llvm_unreachable("Unknown alias type!");
case NoAlias: No++; AliasString = "No alias"; break;
case MayAlias: May++; AliasString = "May alias"; break;
case PartialAlias: Partial++; AliasString = "Partial alias"; break;
case MustAlias: Must++; AliasString = "Must alias"; break;
}