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f715d51769
These are used by MachO only at the moment, and (much like the existing MOVW/MOVT set) work around the fact that the labels used in the actual instructions often contain PC-dependent components, which means that repeatedly materialising the same global can't be CSEed. With small modifications, it could be adapted to how ELF finds the address of _GLOBAL_OFFSET_TABLE_, which would give similar benefits in PIC mode there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196090 91177308-0d34-0410-b5e6-96231b3b80d8
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