Use yaml2obj for llvm-cov tests to see covmap #115886
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I was using `GNUmakefile` just before creating this request.
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Make
llvm/test/tools/llvm-covuse covmap binary files generated fromyaml2obj.Some old tests (
branch-*) are transformed and decoupled to source files and test scripts.A small Makefile is included as a convenience.
llvm-objcopyextracts essential sections,__llvm_prf_names,__llvm_covmap, and__llvm_covfun. I guess more fields might be reduced but I don't want to add extra manual steps. Let me know if someone knows further reduction.obj2yamldumps final YAML files. At the moment, covmap fields are blobs.I'm working on #115707 (and others) to make YAML files easier to read and handle.
https://discourse.llvm.org/t/rfc-objectyaml-with-coverage-map-sections/82953