Merging r326393:
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r326393 | ctopper | 2018-03-01 01:08:38 +0100 (Thu, 01 Mar 2018) | 5 lines
[X86] Make sure we don't combine (fneg (fma X, Y, Z)) to a target specific node when there are no FMA instructions.
This would cause a 'cannot select' error at isel when we should have emitted a lib call and an xor.
Fixes PR36553.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@326423
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projects / llvm / commit