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Commit 325110f3 authored by Bruno Cardoso Lopes's avatar Bruno Cardoso Lopes
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Add support for ARM ldrexd/strexd intrinsics. They both use i32 register pairs 

to load/store i64 values. Since there's no current support to explicitly
declare such restrictions, implement it by using specific hardcoded register
pairs during isel.

llvm-svn: 132248
parent 814b2a6d
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