6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-05 13:29:22 +00:00
Code Issues Projects Releases Wiki Activity

Teach AliasAnalysisEvaluator about PartialAlias.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121512 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-12-10 19:52:40 +00:00
parent 2c2f4c8247
commit 3d9f1ca5af
1 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
lib/Analysis/AliasAnalysisEvaluator.cpp
View File

@ -36,6 +36,7 @@ static cl::opt<bool> PrintAll("print-all-alias-modref-info", cl::ReallyHidden);
static cl::opt<bool> PrintNoAlias("print-no-aliases", cl::ReallyHidden);
static cl::opt<bool> PrintMayAlias("print-may-aliases", cl::ReallyHidden);
static cl::opt<bool> PrintPartialAlias("print-partial-aliases", cl::ReallyHidden);
static cl::opt<bool> PrintMustAlias("print-must-aliases", cl::ReallyHidden);
static cl::opt<bool> PrintNoModRef("print-no-modref", cl::ReallyHidden);
@ -45,7 +46,7 @@ static cl::opt<bool> PrintModRef("print-modref", cl::ReallyHidden);
namespace {
class AAEval : public FunctionPass {
unsigned NoAlias, MayAlias, MustAlias;
unsigned NoAlias, MayAlias, PartialAlias, MustAlias;
unsigned NoModRef, Mod, Ref, ModRef;
public:
@ -60,11 +61,12 @@ namespace {
}
bool doInitialization(Module &M) {
NoAlias = MayAlias = MustAlias = 0;
NoAlias = MayAlias = PartialAlias = MustAlias = 0;
NoModRef = Mod = Ref = ModRef = 0;
if (PrintAll) {
PrintNoAlias = PrintMayAlias = PrintMustAlias = true;
PrintNoAlias = PrintMayAlias = true;
PrintPartialAlias = PrintMustAlias = true;
PrintNoModRef = PrintMod = PrintRef = PrintModRef = true;
}
return false;
@ -160,7 +162,7 @@ bool AAEval::runOnFunction(Function &F) {
}
}
if (PrintNoAlias || PrintMayAlias || PrintMustAlias ||
if (PrintNoAlias || PrintMayAlias || PrintPartialAlias || PrintMustAlias ||
PrintNoModRef || PrintMod || PrintRef || PrintModRef)
errs() << "Function: " << F.getName() << ": " << Pointers.size()
<< " pointers, " << CallSites.size() << " call sites\n";
@ -184,6 +186,10 @@ bool AAEval::runOnFunction(Function &F) {
case AliasAnalysis::MayAlias:
PrintResults("MayAlias", PrintMayAlias, *I1, *I2, F.getParent());
++MayAlias; break;
case AliasAnalysis::PartialAlias:
PrintResults("PartialAlias", PrintPartialAlias, *I1, *I2,
F.getParent());
++PartialAlias; break;
case AliasAnalysis::MustAlias:
PrintResults("MustAlias", PrintMustAlias, *I1, *I2, F.getParent());
++MustAlias; break;
@ -255,7 +261,7 @@ static void PrintPercent(unsigned Num, unsigned Sum) {
}
bool AAEval::doFinalization(Module &M) {
unsigned AliasSum = NoAlias + MayAlias + MustAlias;
unsigned AliasSum = NoAlias + MayAlias + PartialAlias + MustAlias;
errs() << "===== Alias Analysis Evaluator Report =====\n";
if (AliasSum == 0) {
errs() << " Alias Analysis Evaluator Summary: No pointers!\n";
@ -265,10 +271,13 @@ bool AAEval::doFinalization(Module &M) {
PrintPercent(NoAlias, AliasSum);
errs() << " " << MayAlias << " may alias responses ";
PrintPercent(MayAlias, AliasSum);
errs() << " " << PartialAlias << " partial alias responses ";
PrintPercent(PartialAlias, AliasSum);
errs() << " " << MustAlias << " must alias responses ";
PrintPercent(MustAlias, AliasSum);
errs() << " Alias Analysis Evaluator Pointer Alias Summary: "
<< NoAlias*100/AliasSum << "%/" << MayAlias*100/AliasSum << "%/"
<< PartialAlias*100/AliasSum << "%/"
<< MustAlias*100/AliasSum << "%\n";
}