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SILModule lookup: now with that magic O(1) flavor.

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Swift SVN r11978
This commit is contained in:
John McCall
2014-01-07 01:21:10 +00:00
parent 5e7dc85e2d
commit e507341c1b
10 changed files with 76 additions and 53 deletions
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21
include/swift/SIL/SILModule.h
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@@ -111,8 +111,11 @@ private:
/// FIXME: Remove this when SILGlobalVariable is ready.
llvm::SetVector<VarDecl*> globals;
/// Lookup cache for SIL functions.
llvm::StringMap<SILFunction*> FunctionLookupCache;
/// Lookup table for SIL functions.
llvm::StringMap<SILFunction*> FunctionTable;
/// Lookup table for SIL global variables.
llvm::StringMap<SILGlobalVariable*> GlobalVariableTable;
/// Lookup cache for SIL witness tables.
llvm::DenseMap<const NormalProtocolConformance*,SILWitnessTable*>
@@ -254,7 +257,19 @@ public:
return {silGlobals.begin(), silGlobals.end()};
}
SILFunction *lookup(StringRef Name);
/// Look for a global variable by name.
///
/// \return null if this module has no such global variable
SILGlobalVariable *lookUpGlobalVariable(StringRef name) {
return GlobalVariableTable.lookup(name);
}
/// Look for a function by name.
///
/// \return null if this module has no such function
SILFunction *lookUpFunction(StringRef name) {
return FunctionTable.lookup(name);
}
/// \brief Return the declaration of a utility function that can,
/// but needn't, be shared between modules.