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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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lib/Analysis/PostDominators.cpp
+1 -18
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@@ -9,27 +9,10 @@
#include "llvm/Method.h"
#include "Support/DepthFirstIterator.h"
#include "Support/STLExtras.h"
#include "Support/SetOperations.h"
#include <algorithm>
using std::set;
//===----------------------------------------------------------------------===//
// Helper Template
//===----------------------------------------------------------------------===//
// set_intersect - Identical to set_intersection, except that it works on
// set<>'s and is nicer to use. Functionally, this iterates through S1,
// removing elements that are not contained in S2.
//
template <class Ty, class Ty2>
void set_intersect(set<Ty> &S1, const set<Ty2> &S2) {
for (typename set<Ty>::iterator I = S1.begin(); I != S1.end();) {
const Ty &E = *I;
++I;
if (!S2.count(E)) S1.erase(E); // Erase element if not in S2
}
}
//===----------------------------------------------------------------------===//
// DominatorSet Implementation
//===----------------------------------------------------------------------===//