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god
2016 Nov 17
2
Possible MemCpyOpt bug?
...!13 = !{ !13, !3 }
Have I used the metadata nodes correctly? The goal is to make:
- load may-alias store1
- load may-alias store2
- store2 may-alias store3
`-print-may-aliases` seems confirm this:
opt -disable-output -basicaa -scoped-noalias -aa-eval
-evaluate-aa-metadata -print-may-aliases ohgod.ll
Function: f: 4 pointers, 0 call sites
MayAlias: %T* %a, %T* %b
MayAlias: %T* %a, %T* %c
MayAlias: %T* %b, %T* %c
MayAlias: %T* %a, %T* %d
MayAlias: %T* %b, %T* %d
MayAlias: %T* %c, %T* %d
MayAlias: %val = load %T, %T* %a, !a...