[PATCH] D122866: [3/3] TLS loads optimization (hoist)

[Xiang Zhang via Phabricator via llvm-commits]

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We supported TLS loads optimization (LLVM part) at D120000 <https://reviews.llvm.org/D120000>

Now we enable it in PIC mode by default.


https://reviews.llvm.org/D122866

Files:
  clang/lib/CodeGen/CGCall.cpp
  clang/test/CodeGen/X86/tls_loads.cpp
  llvm/docs/LangRef.rst
  llvm/lib/Transforms/Scalar/TLSVariableHoist.cpp
  llvm/test/CodeGen/X86/tls-loads-control.ll
  llvm/test/CodeGen/X86/tls-loads-control2.ll
  llvm/test/CodeGen/X86/tls-loads-control3.ll

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