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830d01fc77
This allows us to fold fma's that multiply with 0.0. Also, the multiply by 1.0 case is handled there as well. The fneg/fabs cases are not handled by SimplifyFMulInst, so we need to keep them. Reviewers: spatel, anemet, lebedev.ri Reviewed By: spatel Differential Revision: https://reviews.llvm.org/D67351 llvm-svn: 371518