Arthur Eubanks 75d5f2cf7a Reland [docs][NewPM] Add docs for writing NPM passes ... As to not conflict with the legacy PM example passes under llvm/lib/Transforms/Hello, this is under HelloNew. This makes the CMakeLists.txt and general directory structure less confusing for people following the example. Much of the doc structure was taken from WritinAnLLVMPass.rst. This adds a HelloWorld pass which simply prints out each function name. More will follow after this, e.g. passes over different units of IR, analyses. https://llvm.org/docs/WritingAnLLVMPass.html contains a lot more. Relanded with missing "Support" dependency in LLVMBuild.txt. Reviewed By: ychen, asbirlea Differential Revision: https://reviews.llvm.org/D86979		2020-09-14 16:06:19 -07:00
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helloworld.ll	Reland [docs][NewPM] Add docs for writing NPM passes	2020-09-14 16:06:19 -07:00