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author	Matt Arsenault <Matthew.Arsenault@amd.com>
	Mon, 30 Jul 2018 12:16:58 +0000 (12:16 +0000)
committer	Matt Arsenault <Matthew.Arsenault@amd.com>
	Mon, 30 Jul 2018 12:16:58 +0000 (12:16 +0000)
commit	de496c32a4939056e60886f0cb343b2301484b38
tree	b43043e313e51353d080f11b0d34a9e44091234b	tree \| snapshot
parent	f3c9a34def73e18eaa97ae7c43fd12a80fd405be	commit \| diff

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

Domain: System / Toolchain;