huntergr created this revision. huntergr added reviewers: ABataev, kkwli0. Herald added subscribers: guansong, yaxunl. huntergr requested review of this revision. Herald added a reviewer: jdoerfert. Herald added subscribers: cfe-commits, sstefan1. Herald added a project: clang.
The codegen for simd constructs was affected by the presence (or absence) of the 'monotonic' schedule modifier for worksharing loops. The modifier is only intended to apply to the scheduling of chunks for a thread, not iterations of a loop inside a chunk. In addition, the monotonic modifier was applied to worksharing loops by default if no schedule clause was present; the referenced part of the OpenMP 4.5 spec in the code (section 2.7.1) only applies if the user specified a schedule clause with a static kind but no modifier. Without a user-specified schedule clause we should default to nonmonotonic scheduling. Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D103793 Files: clang/lib/CodeGen/CGStmtOpenMP.cpp clang/lib/CodeGen/CodeGenFunction.h clang/test/OpenMP/distribute_parallel_for_simd_codegen.cpp clang/test/OpenMP/distribute_simd_codegen.cpp clang/test/OpenMP/for_simd_codegen.cpp clang/test/OpenMP/parallel_for_simd_codegen.cpp clang/test/OpenMP/schedule_codegen.cpp clang/test/OpenMP/target_parallel_for_simd_codegen.cpp clang/test/OpenMP/target_teams_distribute_parallel_for_simd_if_codegen.cpp clang/test/OpenMP/target_teams_distribute_parallel_for_simd_schedule_codegen.cpp clang/test/OpenMP/target_teams_distribute_simd_codegen.cpp clang/test/OpenMP/target_teams_distribute_simd_dist_schedule_codegen.cpp clang/test/OpenMP/teams_distribute_parallel_for_simd_schedule_codegen.cpp clang/test/OpenMP/teams_distribute_simd_codegen.cpp clang/test/OpenMP/teams_distribute_simd_dist_schedule_codegen.cpp _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
