[PATCH] D52434: [OpenMP] Make default schedules for NVPTX target regions in SPMD mode achieve coalescing

[Gheorghe-Teodor Bercea via Phabricator via cfe-commits]

gtbercea created this revision.
gtbercea added reviewers: ABataev, caomhin.
Herald added subscribers: cfe-commits, guansong, jholewinski.

For the OpenMP NVPTX toolchain choose default schedules which ensure coalescing on the GPU when in SPMD mode. This significantly increases the performance of offloaded target code.


Repository:
  rC Clang

https://reviews.llvm.org/D52434

Files:
  lib/CodeGen/CGOpenMPRuntime.cpp
  lib/CodeGen/CGOpenMPRuntime.h
  lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
  lib/CodeGen/CGOpenMPRuntimeNVPTX.h
  lib/CodeGen/CGStmtOpenMP.cpp
  test/OpenMP/nvptx_target_teams_distribute_parallel_for_codegen.cpp
  test/OpenMP/nvptx_target_teams_distribute_parallel_for_generic_mode_codegen.cpp
  test/OpenMP/nvptx_target_teams_distribute_parallel_for_simd_codegen.cpp

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