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RegisterScavenger: Allow fail without spill

Authored by arsenm on Feb 25 2019, 12:29 PM.

Description

RegisterScavenger: Allow fail without spill

AMDGPU wants to use this in some contexts where
the spilling is either impossible, or a worse alternative
to doing something else.

llvm-svn: 354816

Details

Committed
arsenmFeb 25 2019, 12:29 PM
Parents
rGf97ace563986: AMDGPU: Remove IntrReadMem from memtime/memrealtime intrinsics
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