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2017 Jul 07
2
Lowering Select to Two Predicated Movs
...m Innovation Center, Inc.
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2017 Jul 07
2
Lowering Select to Two Predicated Movs
My bad for not looking further. I'm still somewhat confused though. MOVCCr
gets expanded in the ARMExpandPseudoInsts pass, and it still seems only a
case of one instruction replacing the other.
My worry of emitting two instructions, is that a dead code pass will
eliminate the first instruction cause it thinks the second instruction is
defining the same register.
-Dilan
On Fri, Jul 7, 2017