[PATCH] D25878: IR, X86: Understand !range metadata on global variables.

[Peter Collingbourne via llvm-commits]

pcc added reviewers: RKSimon, craig.topper.
pcc added a comment.

As discussed on the llvm-dev thread, we're going with the approach in this patch. I've updated the langref and added a nonnull check analogous to what I did in https://reviews.llvm.org/D25930.

Adding X86 reviewers to take a look at the X86-specific bits of this.


https://reviews.llvm.org/D25878