thesamesam created this revision. thesamesam added reviewers: MaskRay, jhuber6, tstellar. Herald added a project: All. thesamesam requested review of this revision. Herald added a project: clang. Herald added a subscriber: cfe-commits.
Since 47f5c54f997a59bb2c65abe6b8b811f6e7553456 <https://reviews.llvm.org/rG47f5c54f997a59bb2c65abe6b8b811f6e7553456>, we pass -fno-lifetime-dse when building LLVM with GCC. Unfortunately, this impacts projects which build LLVM using GCC who then try to use e.g. clang-tidy because of the flag leaking into compile_commands.json. While we're trying to stop adding these, given we're passing the flag ourselves, I don't think we have much of a choice here. Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D150930 Files: clang/include/clang/Driver/Options.td Index: clang/include/clang/Driver/Options.td =================================================================== --- clang/include/clang/Driver/Options.td +++ clang/include/clang/Driver/Options.td @@ -4940,6 +4940,7 @@ defm default_inline : BooleanFFlag<"default-inline">, Group<clang_ignored_gcc_optimization_f_Group>; defm fat_lto_objects : BooleanFFlag<"fat-lto-objects">, Group<clang_ignored_gcc_optimization_f_Group>; defm float_store : BooleanFFlag<"float-store">, Group<clang_ignored_gcc_optimization_f_Group>; +defm fno_lifetime_dse : BooleanFFlag<"lifetime-dse">, IgnoredGCCCompat; defm friend_injection : BooleanFFlag<"friend-injection">, Group<clang_ignored_f_Group>; defm function_attribute_list : BooleanFFlag<"function-attribute-list">, Group<clang_ignored_f_Group>; defm gcse : BooleanFFlag<"gcse">, Group<clang_ignored_gcc_optimization_f_Group>;
Index: clang/include/clang/Driver/Options.td =================================================================== --- clang/include/clang/Driver/Options.td +++ clang/include/clang/Driver/Options.td @@ -4940,6 +4940,7 @@ defm default_inline : BooleanFFlag<"default-inline">, Group<clang_ignored_gcc_optimization_f_Group>; defm fat_lto_objects : BooleanFFlag<"fat-lto-objects">, Group<clang_ignored_gcc_optimization_f_Group>; defm float_store : BooleanFFlag<"float-store">, Group<clang_ignored_gcc_optimization_f_Group>; +defm fno_lifetime_dse : BooleanFFlag<"lifetime-dse">, IgnoredGCCCompat; defm friend_injection : BooleanFFlag<"friend-injection">, Group<clang_ignored_f_Group>; defm function_attribute_list : BooleanFFlag<"function-attribute-list">, Group<clang_ignored_f_Group>; defm gcse : BooleanFFlag<"gcse">, Group<clang_ignored_gcc_optimization_f_Group>;
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