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Add some assertions

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llvm-svn: 16366
This commit is contained in:
Chris Lattner 2004-09-15 16:59:47 +00:00
parent 39ffebe6aa
commit f1a0bf88c5
1 changed files with 3 additions and 2 deletions
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5
lib/Analysis/AliasSetTracker.cpp
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@ -50,6 +50,7 @@ void AliasSet::mergeSetIn(AliasSet &AS) {
AS.PtrList = 0;
AS.PtrListEnd = &AS.PtrList;
assert(*AS.PtrListEnd == 0 && "End of list is not null?");
}
}
@ -70,11 +71,10 @@ void AliasSet::addPointer(AliasSetTracker &AST, HashNodePair &Entry,
unsigned Size, bool KnownMustAlias) {
assert(!Entry.second.hasAliasSet() && "Entry already in set!");
AliasAnalysis &AA = AST.getAliasAnalysis();
// Check to see if we have to downgrade to _may_ alias.
if (isMustAlias() && !KnownMustAlias)
if (HashNodePair *P = getSomePointer()) {
AliasAnalysis &AA = AST.getAliasAnalysis();
AliasAnalysis::AliasResult Result =
AA.alias(P->first, P->second.getSize(), Entry.first, Size);
if (Result == AliasAnalysis::MayAlias)
@ -91,6 +91,7 @@ void AliasSet::addPointer(AliasSetTracker &AST, HashNodePair &Entry,
assert(*PtrListEnd == 0 && "End of list is not null?");
*PtrListEnd = &Entry;
PtrListEnd = Entry.second.setPrevInList(PtrListEnd);
assert(*PtrListEnd == 0 && "End of list is not null?");
addRef(); // Entry points to alias set...
}