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2015 Jan 16
3
[LLVMdev] question about enabling cfl-aa and collecting a57 numbers
I'm pretty sure I had the ordering of the passes backwards. The previous
ordering is correct. Sorry for the confusion.
The last alias analysis created is the first one queried. It delegates to
the previous alias analysis created. At least, that is my reading of this
(very confusing) code.
The most frustrating aspect of this is that it means the delegation
behavior of CFL shouldn't have
2016 Jul 20
2
load instruction erroneously removed by GVN v2
before inlining
all 20005
after inlining
somewhere here changed made it NoAlias
after Global Variable Optimizer
20014
20373 20255
20372 20254
before GVN
19993
20011 19991
20010 20030
It appears that TBAA metadata certainly changed after inlining and
subsequent passes. I have attached the .bc file. I think I will try to dump
out more TBAA metadata between passes. The method in