[llvm] [FastISel] Lower call instruction with illegal type returned (PR #180322)

[Matt Arsenault via llvm-commits]

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arsenm wrote:

This logic kind of makes sense, but this is too narrow, and I would expect would already logically happen. Why wouldn't the same apply for the input arguments? I thought fast isel already gave up on illegally typed operations, so why does this need a new special case?



https://github.com/llvm/llvm-project/pull/180322