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Commit 7ccebec6 authored by Juergen Ributzka's avatar Juergen Ributzka
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[FastISel][AArch64] Emit immediate version of icmp (subs) for null pointer check. 

This is a minor change to use the immediate version when the operand is a null
value. This should get rid of an unnecessary 'mov' instruction in debug
builds and align the code more with the one generated by SelectionDAG.

This fixes rdar://problem/18785125.

llvm-svn: 220713
parent 0190fea9
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