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Summary: This patch extends the use of the OptimizationRemarkEmitter to provide information about loops that are not fused, and loops that are not eligible for fusion. In particular, it uses the OptimizationRemarkAnalysis to identify loops that are not eligible for fusion and the OptimizationRemarkMissed to identify loops that cannot be fused. It also reuses the statistics to provide the messages used in the OptimizationRemarks. This provides common message strings between the optimization remarks and the statistics. I would like feedback on this approach, in general. If people are OK with this, I will flesh out additional remarks in subsequent commits. Subscribers: hiraditya, jsji, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D63844 llvm-svn: 367327
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