[PATCH] D38421: Eliminate ftrunc if source is know to be rounded

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec updated this revision to Diff 117223.
rampitec added a comment.

Added comment as requested.


https://reviews.llvm.org/D38421

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/AMDGPU/combine-ftrunc.ll

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