isanbard wrote: > Does this sort of warning make sense for inline assembly? There are valid use > cases for having an asm operand that is never used, e.g. [Google Benchmark’s > `DoNotOptimize`](https://github.com/google/benchmark/blob/04b5f41ec7e3b68b28a2379bc19804a48953117d/include/benchmark/utils.h#L53-L60): > > ```c++ > template <class Tp> > inline BENCHMARK_ALWAYS_INLINE void DoNotOptimize(Tp& value) { > #if defined(__clang__) > asm volatile("" : "+r,m"(value) : : "memory"); > #else > asm volatile("" : "+m,r"(value) : : "memory"); > #endif > } > ```
I think this is only something someone wouldn't enable for just anything. Your example specifically wouldn't want this flag. https://github.com/llvm/llvm-project/pull/220577 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
