[PATCH] D18902: X86: Use a callee save register for the swiftself parameter.

[Matthias Braun via llvm-commits]

MatzeB updated the summary for this revision.
MatzeB updated this revision to Diff 53352.
MatzeB added a comment.

Add check that for tail calls the preserved value of the caller is the same as the callees parameter.


Repository:
  rL LLVM

http://reviews.llvm.org/D18902

Files:
  lib/Target/X86/X86CallingConv.td
  lib/Target/X86/X86FrameLowering.cpp
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/swiftself.ll

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