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ADd two new 'add' methods

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5691 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-03-03 23:28:05 +00:00
parent b75f9dda9e
commit 319d05bff4
1 changed files with 28 additions and 0 deletions
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28
lib/Analysis/AliasSetTracker.cpp
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@ -211,6 +211,34 @@ void AliasSetTracker::add(Instruction *I) {
add(II);
}
void AliasSetTracker::add(BasicBlock &BB) {
for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I)
add(I);
}
void AliasSetTracker::add(const AliasSetTracker &AST) {
assert(&AA == &AST.AA &&
"Merging AliasSetTracker objects with different Alias Analyses!");
// Loop over all of the alias sets in AST, adding the pointers contained
// therein into the current alias sets. This can cause alias sets to be
// merged together in the current AST.
for (const_iterator I = AST.begin(), E = AST.end(); I != E; ++I)
if (!I->Forward) { // Ignore forwarding alias sets
AliasSet &AS = const_cast<AliasSet&>(*I);
// If there are any call sites in the alias set, add them to this AST.
for (unsigned i = 0, e = AS.CallSites.size(); i != e; ++i)
add(AS.CallSites[i]);
// Loop over all of the pointers in this alias set...
AliasSet::iterator I = AS.begin(), E = AS.end();
for (; I != E; ++I)
addPointer(I->first, I->second.getSize(),
(AliasSet::AccessType)AS.AccessTy);
}
}
//===----------------------------------------------------------------------===//
// AliasSet/AliasSetTracker Printing Support
//===----------------------------------------------------------------------===//