[PATCH] D54108: [ARM] Enable mixed types in ARM CGP

[Sam Parker via Phabricator via llvm-commits]

samparker updated this revision to Diff 172762.
samparker added a comment.

Now disallowing icmps that operate on types that are smaller than TypeSize. The handling of truncs being sources and sinks has also been reverted.

- we allow casts if their result or operand is <= TypeSize.
- zexts are sinks if their result > TypeSize.
- truncs are still sinks if their operand == TypeSize.
- truncs are still sources if their result == TypeSize.


https://reviews.llvm.org/D54108

Files:
  lib/Target/ARM/ARMCodeGenPrepare.cpp
  test/CodeGen/ARM/CGP/arm-cgp-calls.ll
  test/CodeGen/ARM/CGP/arm-cgp-casts.ll
  test/CodeGen/ARM/CGP/arm-cgp-signed-icmps.ll

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