[PATCH] D8817: Estimate DCE effect in heuristic for estimating complete-unroll optimization effects.

[Michael Zolotukhin]

mzolotukhin marked an inline comment as done.

Thanks, Gerolf,
I'll update the comments.


================
Comment at: lib/Transforms/Scalar/LoopUnrollPass.cpp:635
@@ -620,3 +634,3 @@
     // won't find them on later ones too.
     if (UnrolledCost == RolledDynamicCost)
       return None;
----------------
Gerolf wrote:
> I'm missing context. Where do the costs get computed?
On lines 594, 598.


http://reviews.llvm.org/D8817