[PATCH] D22314: Make X86CallFrameOptimization work with code generated by fast isel.

[Pavel Labath via llvm-commits]

labath added a subscriber: labath.
labath added a comment.

The optimized frames this change produces are confusing lldb's unwinder. We'll try to make it more resilient as that is a generally useful thing, but either way, I do recommend switching this off for -O0.


https://reviews.llvm.org/D22314