SuccessChanges

Summary

  1. [DAGCombiner] restrict store merge of truncs to early combining (details)
Commit 1d0fa798248f2d4e7a3b5b6d6465edb41d13354d by spatel
[DAGCombiner] restrict store merge of truncs to early combining

The pattern matching does not account for truncating stores,
so it is unlikely to work at later stages. So we are likely
wasting compile-time with no hope of improvement by running
this later.
The file was modifiedllvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (diff)