[PATCH] D41149: [CodeGen] Specialize mixed-sign mul-with-overflow (fix PR34920)

[Vedant Kumar via Phabricator via cfe-commits]

vsk updated this revision to Diff 126854.
vsk marked an inline comment as done.
vsk edited the summary of this revision.
vsk added a comment.

- Handle unsigned result types.
- Extend the test driver to validate 54 different combinations of signed,  unsigned, and result types: https://gist.github.com/vedantk/3eb9c88f82e5c32f2e590555b4af5081
- Don't try to specialize irgen for cases where the result type is wider than the operand type.


https://reviews.llvm.org/D41149

Files:
  lib/CodeGen/CGBuiltin.cpp
  test/CodeGen/builtins-overflow.c

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