[x86] Refactor a PowerPC specific ctlz/srl transformation (NFC).
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Authored by pgousseau on Aug 16 2016, 6:53 AM.

Description

[x86] Refactor a PowerPC specific ctlz/srl transformation (NFC).

Following the discussion on D22038, this refactors a PowerPC specific setcc -> srl(ctlz) transformation so it can be used by other targets.

llvm-svn: 278799

Committed

pgousseau

Aug 16 2016, 6:53 AM

Differential Revision

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				Path	Packages
	M			llvm/include/llvm/Target/TargetLowering.h
	M			llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
	M			llvm/lib/Target/PowerPC/PPCISelLowering.cpp
	M			llvm/lib/Target/PowerPC/PPCISelLowering.h