Adam Nemet 01ad79ba9f [GVN, OptDiag] Include the value that is forwarded in load elimination
This requires some changes to the opt-diag API.  Hal and I have
discussed this at the Dev Meeting and came up with a streaming delimiter
(setExtraArgs) to solve this.

Arguments after this delimiter are only included in the optimization
records and not in the remarks printed in the compiler output.  (Note,
how in the test the content of the YAML file changes but the remarks on
the compiler output don't.)

This implements the green GVN message with a bug fix at line
http://lab.llvm.org:8080/artifacts/opt-view_test-suite/build/SingleSource/Benchmarks/Dhrystone/CMakeFiles/dry.dir/html/_org_test-suite_SingleSource_Benchmarks_Dhrystone_dry.c.html#L446

The fix is that now we properly include the constant value in the
message: "load of type i32 eliminated in favor of 7"

Differential Revision: https://reviews.llvm.org/D26489

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288047 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-28 17:45:34 +00:00
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