[PATCH] D26769: [IR] Remove the DIExpression field from DIGlobalVariable.

[Adrian Prantl via llvm-commits]

aprantl added a comment.

To review my own patch: I'll make another iteration replacing the `MDNode *` references to global variables with a more typesafe PointerUnion<GlobalVariable, GlobalVariableExpression>.


Repository:
  rL LLVM

https://reviews.llvm.org/D26769