[PATCH] D31182: [InstCombine] fadd double (sitofp x), y check that the promotion is valid

[Artur Pilipenko via Phabricator via llvm-commits]

apilipenko updated this revision to Diff 95113.
apilipenko added a comment.

Add the comment about overly conservative legality check, add the test demonstrating it.


https://reviews.llvm.org/D31182

Files:
  lib/Transforms/InstCombine/InstCombineAddSub.cpp
  test/Transforms/InstCombine/add-sitofp.ll

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