SuccessChanges

Summary

  1. [SCEVExpander] Make sure cast properly dominates Builder's IP. (details)
Commit 23817cbd0b6549d6145e4d0dbc0162370184a21e by flo
[SCEVExpander] Make sure cast properly dominates Builder's IP.

The selected cast must properly dominate the Builder's IP, so we cannot
re-use the cast, if it matches the builder's IP.
The file was modifiedllvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
The file was addedllvm/test/Transforms/LoopStrengthReduce/X86/expander-crashes.ll