Kai Luo 31906a6090 [AtomicExpand][PowerPC] Fix all-one mask value
When generating a all-one mask value whose bitwidth is larger than 64, signed extension should be used rather then zero extension.

Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D120865
2022-03-18 13:35:54 +08:00
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2021-05-17 06:08:06 -05:00
2021-04-20 15:49:52 +08:00
2021-08-18 17:52:53 +08:00
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