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* LiveVariables analysis now uses intersect for the merge of block-level ↵Ted Kremenek2008-03-201-2/+11
| | | | | | | | expression liveness information. The rationale is that a block-level expression cannot be live in a parent block unless it is live in all of the successor blocks. llvm-svn: 48618
* Make a major restructuring of the clang tree: introduce a top-levelChris Lattner2008-03-151-0/+246
lib dir and move all the libraries into it. This follows the main llvm tree, and allows the libraries to be built in parallel. The top level now enforces that all the libs are built before Driver, but we don't care what order the libs are built in. This speeds up parallel builds, particularly incremental ones. llvm-svn: 48402
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