[PATCH] D39777: [PowerPC] implement mayBeEmittedAsTailCall for PPC

[Sean Fertile via Phabricator via llvm-commits]

sfertile created this revision.

Implements TargetLowering callback 'mayBeEmittedAsTailCall ' that enables CodeGenPrepare to duplicate returns when they might enable function to be tail-called.


Repository:
  rL LLVM

https://reviews.llvm.org/D39777

Files:
  lib/Target/PowerPC/PPCISelLowering.cpp
  lib/Target/PowerPC/PPCISelLowering.h
  test/CodeGen/PowerPC/duplicate-returns-for-tailcall.ll

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