[PATCH] D18864: [SystemZ] Support conditional sibling calls via BRCL.

[Marcin Kościelnicki via llvm-commits]

koriakin created this revision.
koriakin added a reviewer: uweigand.
koriakin added a subscriber: llvm-commits.
koriakin set the repository for this revision to rL LLVM.

This adds a conditional variant of CallJG instruction, CallBRCL.
It can be used for conditional sibling calls.  Unfortunately, due
to IfCvt limitations, it only really works well for functions without
arguments.

Repository:
  rL LLVM

http://reviews.llvm.org/D18864

Files:
  lib/Target/SystemZ/SystemZAsmPrinter.cpp
  lib/Target/SystemZ/SystemZInstrInfo.cpp
  lib/Target/SystemZ/SystemZInstrInfo.td
  test/CodeGen/SystemZ/call-04.ll

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