llvm-project

40897638 - [GlobalMerge] Update the GlobalMerge pass to merge private global variables. (#101222)

[GlobalMerge] Update the GlobalMerge pass to merge private global variables. (#101222) This patch updates the GlobalMerge pass to be able to handle private global variables, which is required for a follow-up PowerPC specific GlobalMerge patch to merge internal and private globals. A new LIT test is also added to exhibit the ability to merge private globals.