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Remove generic routines to Support/SetOperations.h

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1715 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-02-05 03:35:31 +00:00
parent edcea4ba4a
commit eb5230c4f9
4 changed files with 2 additions and 106 deletions
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35
include/llvm/Analysis/LiveVar/ValueSet.h
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@ -16,39 +16,4 @@ ostream &operator<<(ostream &out, RAV Val);
typedef std::set<const Value*> ValueSet;
void printSet(const ValueSet &S);
// set_union(A, B) - Compute A := A u B, return whether A changed.
//
template <class E>
bool set_union(std::set<E> &S1, const std::set<E> &S2) {
bool Changed = false;
for (std::set<E>::const_iterator SI = S2.begin(), SE = S2.end();
SI != SE; ++SI)
if (S1.insert(*SI).second)
Changed = true;
return Changed;
}
// set_difference(A, B) - Return A - B
//
template <class E>
std::set<E> set_difference(const std::set<E> &S1, const std::set<E> &S2) {
std::set<E> Result;
for (std::set<E>::const_iterator SI = S1.begin(), SE = S1.end();
SI != SE; ++SI)
if (S2.find(*SI) == S2.end()) // if the element is not in set2
Result.insert(*SI);
return Result;
}
// set_subtract(A, B) - Compute A := A - B
//
template <class E>
void set_subtract(std::set<E> &S1, const std::set<E> &S2) {
for (std::set<E>::const_iterator SI = S2.begin() ; SI != S2.end(); ++SI)
S1.erase(*SI);
}
#endif