[PATCH] D26090: [NVPTX] Compute 'rem' using the result of 'div', if possible.

[Justin Lebar via llvm-commits]

jlebar created this revision.
jlebar added a reviewer: tra.
jlebar added subscribers: jholewinski, llvm-commits, hfinkel.

In isel, transform

  Num % Den

into

  Num - (Num / Den) * Den

if the result of Num / Den is already available.


https://reviews.llvm.org/D26090

Files:
  llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
  llvm/test/CodeGen/NVPTX/divrem-combine.ll

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