AuroraMiddleware/SPIRV-Tools
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efc5061929
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2 Commits

Author SHA1 Message Date
Victor Lomuller
efc5061929 Dominator analysis interface clean. 
Remove the CFG requirement when querying a dominator/post-dominator from an IRContext.

Updated all uses of the function and tests.
 2018-04-20 15:41:59 -04:00
Steven Perron
5d602abd66 Add global redundancy elimination 
Adds a pass that looks for redundant instruction in a function, and
removes them.  The algorithm is a hash table based value numbering
algorithm that traverses the dominator tree.

This pass removes completely redundant instructions, not partially
redundant ones.
 2017-12-07 18:35:38 -05:00