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add a helper method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82376 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -268,6 +268,13 @@ namespace llvm {
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/// @name Registry Access
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/// @{
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static unsigned getNumTargets() {
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unsigned Res = 0;
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for (iterator I = begin(), E = end(); I != E; ++I)
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++Res;
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return Res;
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}
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static iterator begin();
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static iterator end() { return iterator(); }
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