Hi,

Can a gate keeper review the patch for WHIRL SSA and CFG changes? Thank you
very much.
This patch fixed the following issues:
1. in WSSA_UPDATER::ssa_rename_tree(), BLOCK is not handled in previous
code.
2. in WN_CFG_VERIFY_ACTION::Finalize(), dfs_iterator is used instead of
BB_iterator because some of BB is deleted and BB_iterator will also returns
those deleted bb.

and an enhancement:
1. in wssa_update.h/cxx, Delete_BB is added to WSSA_UPDATER to support
delete a BB from CFG, as well as its statements from WHIRL tree.

-- 
Regards,
Lai Jian-Xin

Attachment: wssa_wcfg.patch
Description: Binary data

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