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Summary: The motivation for this was to propagate fast-math flags like nnan and ninf on vector floating point operations to the corresponding scalar operations to take advantage of follow-on optimizations. But I think the same argument applies to all of our IR flags: if they apply to the vector operation then they also apply to all the individual scalar operations, and they might enable follow-on optimizations. Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D63593 llvm-svn: 364051
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