Remove generic routines to Support/SetOperations.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1715 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 35 deletions

diff --git a/include/llvm/CodeGen/ValueSet.h b/include/llvm/CodeGen/ValueSet.h
index 6c0a21f909..048d8df4c5 100644
--- a/include/llvm/CodeGen/ValueSet.h
+++ b/include/llvm/CodeGen/ValueSet.h
@@ -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