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Commit de496c32 authored by Matt Arsenault's avatar Matt Arsenault
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AMDGPU: Reduce code size with fcanonicalize (fneg x) 

When fcanonicalize is lowered to a mul, we can
use -1.0 for free and avoid the cost of the bigger
encoding for source modifers.

llvm-svn: 338244
parent f3c9a34d
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