Refactor GVNPRE to use a much smart method of uniquing value sets, and centralize a lot of the value numbering information. No functionality change.

llvm-svn: 37645
This commit is contained in:
Owen Anderson 2007-06-19 03:31:41 +00:00
parent 9e82064924
commit b56fba0c5a
1 changed files with 452 additions and 274 deletions

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