[PATCH] D66459: Make ShrinkWrap more consistent.

[zuojian lin via Phabricator via llvm-commits]

linzj added a comment.

In D66459#1673212 <https://reviews.llvm.org/D66459#1673212>, @thegameg wrote:

> You can try to reproduce the behavior of the calling convention through a MIR test: https://llvm.org/docs/MIRLangRef.html, using `$REG = IMPLICIT_DEF` to clobber a CSR.


Not that simple. Your solution just handles the call instructions. The the prologue is inserted by the prologue inserter. I can't simply add a prologue to a function's MIR script, right?


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https://reviews.llvm.org/D66459