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* ARM: provide a new generic hint intrinsicSaleem Abdulrasool2014-04-251-0/+69
Introduce the llvm.arm.hint(i32) intrinsic that can be used to inject hints into the instruction stream. This is particularly useful for generating IR from a compiler where the user may inject an intrinsic (e.g. __yield). These are then pattern substituted into the correct instruction which already existed. llvm-svn: 207242
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