[PATCH] D15000: [ELF] - Implemented @tlsgd optimization (GD->IE case).

[George Rimar via llvm-commits]

grimar created this revision.
grimar added reviewers: ruiu, rafael.
grimar added subscribers: llvm-commits, grimar.

"Ulrich Drepper, ELF Handling For Thread-Local Storage" (5.5 x86-x64 linker optimizations, http://www.akkadia.org/drepper/tls.pdf) shows how GD can be optimized to IE.
This patch implements this optimization.


http://reviews.llvm.org/D15000

Files:
  ELF/InputSection.cpp
  ELF/OutputSections.cpp
  ELF/Target.cpp
  ELF/Target.h
  ELF/Writer.cpp
  test/ELF/Inputs/tls-opt-gdie.s
  test/ELF/tls-opt-gdie.s

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