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40ddb2ce8f
As pointed out by Aditya (and Owen), there are two things wrong with this code. First, it adds patterns which elide FP extends when forming FMAs, and that might not be profitable on all targets (it belongs behind the pre-existing aggressive-FMA-formation flag). This is fixed by this change. Second, the resulting nodes might have operands of different types (the extensions need to be re-added). That will be fixed in the follow-up commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225485 91177308-0d34-0410-b5e6-96231b3b80d8
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