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Commit c0886dd5 authored by Juergen Ributzka's avatar Juergen Ributzka
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[FastISel][AArch64] Factor out ADDS/SUBS instruction emission and add support... 

[FastISel][AArch64] Factor out ADDS/SUBS instruction emission and add support for extensions and shift folding.

Factor out the ADDS/SUBS instruction emission code into helper functions and
make the helper functions more clever to support most of the different ADDS/SUBS
instructions the architecture support. This includes better immedediate support,
shift folding, and sign-/zero-extend folding.

This fixes <rdar://problem/17913111>.

llvm-svn: 216033
parent a3c8f042
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