[llvm-commits] [PATCH] Implement transitivity in pass manager

[Tobias Grosser]

Hi,

this patch implements transitivity in the pass manager. Surprisingly
it seems it was not implemented at all. A simple
"opt -indvars -scalar-evolution -analyze" triggered a segfault,
because the LoopInfo pass is freed too early even if it was required 
transitively by the scalar-evolution pass.

This fixes http://llvm.org/bugs/show_bug.cgi?id=8037

Cheers
Tobi


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