Luo, Yuanke 764676b737 [fastregalloc] Fix bug when undef value is tied to def. ...

If the tied use is undef value, fastregalloc should free the def
register. There is no reload needed for the undef value.

Reviewed By: MatzeB

Differential Revision: https://reviews.llvm.org/D124834

2022-05-04 12:12:55 +08:00

53 KiB

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