> On Sat, 11 Jun 2011, Jan Hubicka wrote: > > > Hi, > > this patch complettes the same body alias rework by removing the old same > > body > > alias code and adding new representation. Same body aliases are now > > separate > > function nodes that have IPA_REF_ALIAS reference to the node they are alias > > of. > > > > I am still getting one failure: > > FAIL: g++.dg/torture/pr43879-1_1.C > > > > It tests IPA PTA in presence of same body aliases. I honestly have no idea > > what is wrong there. I decided to go ahead with the patch anyway, given the > > current state of affair of aliases and IPA-PTA. Hope Richard will help me > > fixing this on Monday. > > Still there, see again PR49373. Anything better than a xfail in the works?
Yes, we discussed the problem with Richi and the issue is that ipa-pta gets confused by inliner redirecting edge from alias to the real inline clone. The proper fix is to teach passmanager to do small ipa passes before final compilation. I am currently at the GCC gathering, so I plan to implement this day after tomorrow after returning. Honza > > brgds, H-P