[PATCH] D15300: Fix wrong external references to __emutls_v.*

[Chih-Hung Hsieh via llvm-commits]

chh created this revision.
chh added reviewers: rnk, beanz, resistor.
chh added subscribers: srhines, davidxl, danalbert, enh, dimitry, llvm-commits.
Herald added subscribers: tberghammer, aemerson.

Previous implementation in http://reviews.llvm.org/D10522
created external references to __emutls_v.* variables.
Such references are inaccurate and cannot be handled by
all linkers, e.g. Android dynamic and gold linkers for aarch64.

This patch changes __emutls_v.xyz to have the same linkage
as the controlled TLS variable xyz.


http://reviews.llvm.org/D15300

Files:
  lib/CodeGen/AsmPrinter/AsmPrinter.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  test/CodeGen/AArch64/emutls.ll
  test/CodeGen/AArch64/emutls_generic.ll
  test/CodeGen/ARM/emutls.ll
  test/CodeGen/ARM/emutls_generic.ll
  test/CodeGen/X86/emutls-pic.ll
  test/CodeGen/X86/emutls_generic.ll

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