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4 Commits

Author SHA1 Message Date
Chen Zheng
eb7d16ea25 [PowerPC] make expensive mflr be away from its user in the function prologue 
mflr is kind of expensive on Power version smaller than 10, so we should
schedule the store for the mflr's def away from mflr.

In epilogue, the expensive mtlr has no user for its def, so it doesn't
matter that the load and the mtlr are back-to-back.

Reviewed By: RolandF

Differential Revision: https://reviews.llvm.org/D137423
 2022-11-14 21:14:20 -05:00
Kai Nacke
5403c59c60 [PPC] Opaque pointer migration, part 2. 
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, nikic

Differential Revision: https://reviews.llvm.org/D135474
 2022-10-11 17:24:06 +00:00
Chen Zheng
ef60e44fe8 [PowerPC] fix stack size allocated for float point argument 
This is for https://github.com/llvm/llvm-project/issues/56469

Allocate 4 bytes for float point arguments on PPC32.

Reviewed By: nemanjai

Differential Revision: https://reviews.llvm.org/D129558
 2022-08-06 08:38:52 -04:00
Chen Zheng
e99ffe6ae8 [NFC] add test case for D129558 2022-08-05 23:15:48 -04:00