[PATCH] D59514: [PGO] Profile guided code size optimization.

[Hiroshi Yamauchi via Phabricator via llvm-commits]

yamauchi added a comment.

> ...it must be somewhere above IR/Analysis/CodeGen yet accessible from Transform/CodeGen....

Having scanned the LLVMBuild.txt files for the dependencies, I think one workable way would be a split between two parts, something like:

1 lib/Transforms/Utils/SizeOpts - the flag and the 'shouldOptimizeFor' for the IR passes.
2 lib/CodeGen/MachineSizeOpts - the 'shouldOptimizeFor' for the CodeGen/Machine IR passes.

Note 2 depends on 1. 1 is sufficient for this patch.

Thoughts?


Repository:
  rL LLVM

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https://reviews.llvm.org/D59514