[PATCH] D50518: [ARM] Disallow zexts in ARMCodeGenPrepare

[Sam Parker via Phabricator via llvm-commits]

samparker updated this revision to Diff 160094.
samparker added a comment.

- Removed commented out code
- Added some TODOs
- Expanded the description of what a source and sink are


https://reviews.llvm.org/D50518

Files:
  lib/Target/ARM/ARMCodeGenPrepare.cpp
  test/CodeGen/ARM/arm-cgp-icmps.ll
  test/CodeGen/ARM/arm-cgp-overflow.ll
  test/CodeGen/ARM/arm-cgp-phis-calls-ret.ll
  test/CodeGen/ARM/arm-cgp-zext-truncs.ll

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