Arthur Eubanks d6cc7a5b46 [FastISel] Respect musttail over "disable-tail-calls" ...

musttail should be honored even in the presence of attributes like "disable-tail-calls". SelectionDAG properly handles this.

Update LangRef to explicitly mention that this is the semantics of musttail.

Reviewed By: rnk

Differential Revision: https://reviews.llvm.org/D132193

2022-08-23 08:55:40 -07:00

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