[PATCH] D24763: [mips] Restrict tail call optimization

[Simon Dardis via llvm-commits]

sdardis created this revision.
sdardis added reviewers: vkalintiris, zoran.jovanovic.
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The tail call optimization was being used without proper consideration of
ABI requirements for saving and restoring the GP. This patch restricts tail
call optimization to functions within the same translation unit.

Repository:
  rL LLVM

https://reviews.llvm.org/D24763

Files:
  lib/Target/Mips/MipsISelLowering.cpp
  test/CodeGen/Mips/fastcc.ll
  test/CodeGen/Mips/i64arg.ll
  test/CodeGen/Mips/lazy-binding.ll
  test/CodeGen/Mips/llvm-ir/call.ll
  test/CodeGen/Mips/tailcall/tailcall-wrong-isa.ll
  test/CodeGen/Mips/tailcall/tailcall.ll

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