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Commit 0f0837e8 authored by Sean Fertile's avatar Sean Fertile
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[PowerPC] Implement mayBeEmittedAsTailCall for PPC 

Implements TargetLowering callback 'mayBeEmittedAsTailCall' that enables
CodeGenPrepare to duplicate returns when they might enable a tail-call.

Differential Revision: https://reviews.llvm.org/D39777

llvm-svn: 318321
parent 72b819b8
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