optimize_one_return() now did not build Phi(a,...,a) if a is an Unknown.
[libfirm] / ir / opt / gvn_pre.c
2006-03-03 Michael Becknewest implementation
2006-02-14 Michael Beckfixed memory handling
2006-02-09 Michael BeckBugFixes:
2006-02-09 Michael Beckwhen calculating "nice_value", skip Proj's
2006-02-09 Michael Beckremoved unused function
2006-02-02 Michael Beckreplaced pset_union by more correct value_union (does...
2006-02-02 Michael Beckmore changes. Works for the examples ...
2006-01-31 Michael Beckfactored out value_replace() to make it more like VanDr...
2006-01-27 Michael Becksome functions renamed for cleaner understanding
2006-01-24 Michael BeckFully implemneted. Works fine with the two examples...
2006-01-12 Michael Beckpleliminary version of VanDrunen's GVN_PRE for Firm