[PATCH] D15617: Add call sequence start and end for __tls_get_addr

[Tim Shen via llvm-commits]

timshen created this revision.
timshen added a subscriber: llvm-commits.

This is a fix for bug 25839.

Also added a test for save/restore clobbered registers during calling __tls_get_addr.

http://reviews.llvm.org/D15617

Files:
  lib/Target/PowerPC/PPCTLSDynamicCall.cpp
  test/CodeGen/PowerPC/tls_get_addr_clobbers.ll
  test/CodeGen/PowerPC/tls_get_addr_stackframe.ll

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