tianshilei1992 added a comment. In D116637#3294390 <https://reviews.llvm.org/D116637#3294390>, @ABataev wrote:
> In D116637#3294361 <https://reviews.llvm.org/D116637#3294361>, > @tianshilei1992 wrote: > >> @ABataev @jdoerfert I got a question about writing the test. `atomic >> compare` is supported from 5.1. Basically we have three ways to guard those >> `atomic compare` code: >> >> 1. Use macro `_OPENMP`. This pretty much works with one exception: we don't >> set the macro for `-fopenmp-simd`. Then we cannot test `-fopenmp-simd`. >> 2. Use those `omp50-error` and `omp50-note` which are shown in this patch. >> `-fopenmp-simd` can be tested now. However, it doesn't work with >> `-emit-pch`. The compiler emits errors that `unexpected OpenMP clause >> 'compare' in directive '#pragma omp atomic'` for the lower version tests. If >> we add `-verify` to the `-emit-pch` line, then the pch will not be generated. >> 3. Put `atomic compare` tests in another file. >> >> For now only the 3rd method could work, but I'm not sure if there are ways >> to work around the limitation in the first two approaches. > > The second or the 3rd approach. > The tests should work with emit pch and include pch options, otherwise > precompiled modules are broken. Need to test it too. For the 2nd method, `-verify` doesn't work with `-emit-pch`. Any way to work around it? Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D116637/new/ https://reviews.llvm.org/D116637 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
