Nikita Popov 56c9976d46 [IndVarSimplify] Don't assert that terminator is not SCEVable (PR55925) ...

The IV widening code currently asserts that terminators aren't SCEVable
-- however, this is not the case for invokes with a returned attribute.

As far as I can tell, this assertions is not necessary -- even if we
have a critical edge (the second test case), the trunc gets inserted
in a legal position.

Fixes https://github.com/llvm/llvm-project/issues/55925.

Differential Revision: https://reviews.llvm.org/D127288

2022-06-09 10:12:13 +02:00

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