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0922b287f7
This patch adds a selected set of cleanup passes including a pre-inline pass before LLVM IR PGO instrumentation. The inline is only intended to apply those obvious/trivial ones before instrumentation so that much less instrumentation is needed to get better profiling information. This will drastically improve the instrumented code performance for large C++ applications. Another benefit is the context sensitive counts that can potentially improve the PGO optimization. Differential Revision: http://reviews.llvm.org/D21405 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275588 91177308-0d34-0410-b5e6-96231b3b80d8