[PATCH] D56413: [OpenMP] Avoid remainder operations for loop index values on a collapsed loop nest.

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

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

Change the strategy for computing loop index variables after collapsing a loop nest via the collapse clause by replacing the expensive remainder operation with multiplications and additions.


Repository:
  rC Clang

https://reviews.llvm.org/D56413

Files:
  lib/Sema/SemaOpenMP.cpp
  test/OpenMP/for_codegen.cpp
  test/OpenMP/for_simd_codegen.cpp
  test/OpenMP/parallel_for_simd_codegen.cpp
  test/OpenMP/simd_codegen.cpp

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