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Commit f74cfe03 authored by Owen Anderson's avatar Owen Anderson
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Teach InstCombine that (fmul X, -1.0) can be simplified to (fneg X), which... 

Teach InstCombine that (fmul X, -1.0) can be simplified to (fneg X), which LLVM expresses as (fsub -0.0, X).

llvm-svn: 199420
parent 686738e2
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