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2020 Jun 24
7
[RFC] Compiled regression tests.
...hecks themselves can be any of gtest's ASSERT/EXPECT macros, but
for common test idioms I suggest to add custom macros, such as
ASSERT_ALL_OF(InstList, !isa<VectorType>(I->getType()));
which on failure prints the instruction that does not return a vector.
Try that with FileCheck. PattenMatch.h from InstCombine can be used as
well. Structural comparison with a reference output could also be
possible (like clang-diff,
[llvm-canon](http://llvm.org/devmtg/2019-10/talk-abstracts.html#tech12),
https://reviews.llvm.org/D80916).
Some additional tooling could be helpful:
* A test file creato...