Matt Arsenault 2414bab5d7 AMDGPU/GlobalISel: Remove old hacks for boolean selection ...

There were various hacks used to try to avoid making s1 SGPR vs. s1
VCC ambiguous after constraining the register before we had a strategy
to deal with this. This also attempted to handle undef operands, which
are now illegal gMIR.

2020-08-03 09:04:14 -04:00

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