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(parent: deaa618) | patch

author	Richard Sandiford <rsandifo@linux.vnet.ibm.com>
	Thu, 1 Aug 2013 10:29:45 +0000 (10:29 +0000)
committer	Richard Sandiford <rsandifo@linux.vnet.ibm.com>
	Thu, 1 Aug 2013 10:29:45 +0000 (10:29 +0000)
commit	a075708abe83dac64400eb81011cb6e95791aa9e
tree	5cfbce694f5547962eae524ad36c337daf0fce86	tree \| snapshot
parent	deaa618cdc6340417fc66906ea0a08c9663eb74b	commit \| diff

[SystemZ] Prefer comparisons with zero

Convert >= 1 to > 0, etc. Using comparison with zero isn't a win on its own,
but it exposes more opportunities for CC reuse (the next patch).

llvm-svn: 187571

Domain: System / Toolchain;