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Make the registration hash_map static. No other module needs it. Also,
document what its for a little better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22164 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -42,8 +42,12 @@ Statistic<> SimplifiedLibCalls("simplify-libcalls",
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class LibCallOptimization;
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class SimplifyLibCalls;
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/// This hash map is populated by the constructor for LibCallOptimization class.
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/// Therefore all subclasses are registered here at static initialization time
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/// and this list is what the SimplifyLibCalls pass uses to apply the individual
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/// optimizations to the call sites.
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/// @brief The list of optimizations deriving from LibCallOptimization
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hash_map<std::string,LibCallOptimization*> optlist;
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static hash_map<std::string,LibCallOptimization*> optlist;
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/// This class is the abstract base class for the set of optimizations that
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/// corresponds to one library call. The SimplifyLibCalls pass will call the
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