Files
llvm/test/CodeGen/SystemZ
Luis Marques e36a3e35dd [DAGCombiner] [CodeGenPrepare] More comprehensive GEP splitting
Some GEPs were not being split, presumably because that split would just be 
undone by the DAGCombiner. Not performing those splits can prevent important 
optimizations, such as preventing the element indices / member offsets from 
being (partially) folded into load/store instruction immediates. This patch:

- Makes the splits also occur in the cases where the base address and the GEP 
  are in the same BB.
- Ensures that the DAGCombiner doesn't reassociate them back again.

Differential Revision: https://reviews.llvm.org/D60294



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363544 91177308-0d34-0410-b5e6-96231b3b80d8
2019-06-17 10:54:12 +00:00
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