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4 Commits

Author SHA1 Message Date
Douglas Gregor 4fc9f3e819 Optimize unqualified/global name lookup in modules by introducing a 
generational scheme for identifiers that avoids searching the hash
tables of a given module more than once for a given
identifier. Previously, loading any new module invalidated all of the
previous lookup results for all identifiers, causing us to perform the
lookups repeatedly.

llvm-svn: 148412
 2012-01-18 20:56:22 +00:00
Douglas Gregor de3ef502a9 Promote ModuleMap::Module to a namespace-scope class in the Basic 
library, since modules cut across all of the libraries. Rename
serialization::Module to serialization::ModuleFile to side-step the
annoying naming conflict. Prune a bunch of ModuleMap.h includes that
are no longer needed (most files only needed the Module type).

llvm-svn: 145538
 2011-11-30 23:21:26 +00:00
Douglas Gregor 9d7c1a2a18 Add support for viewing the module graph via Graphviz, for debugging 
purposes.

llvm-svn: 141697
 2011-10-11 19:27:55 +00:00
Douglas Gregor d44252ec03 Factor the Module and ModuleManager classes out into separate headers 
and .cpp files, since ASTReader.cpp was getting way too large. No
functionality change.

llvm-svn: 138582
 2011-08-25 20:47:51 +00:00