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2019 Dec 02
2
Avoiding function addresses in llvm_prf_data when value profiling is disabled
I encountered an issue when enabling code coverage for Android and would like to confirm my findings and ask for suggestions. Here is my finding: When -fprofile-instr-generate, an llvm_prf_data section gets created that has entries for each function in the TU. One of the entries is FunctionAddr which holds the address of the function. Underneath, it is a relocation so it gets patched with the