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6 Commits

Author SHA1 Message Date
Fanbo Meng bdf4c7b738 [z/OS]Remove overriding default attribute aligned value 
Make DefaultAlignForAttributeAligned consistent with SystemZ.

Reviewed By: abhina.sreeskantharajan, anirudhp

Differential Revision: https://reviews.llvm.org/D107189
 2021-07-30 15:51:40 -04:00
Fanbo Meng bd8dd580ff [NFC] clang-formatting zos-alignment.c 
Reviewed By: abhina.sreeskantharajan

Differential Revision: https://reviews.llvm.org/D99514
 2021-03-29 16:48:10 -04:00
Fanbo Meng f1e0c7fdd7 [SystemZ][z/OS] Add test of leading zero length bitfield in const/volatile struct 
Reviewed By: abhina.sreeskantharajan

Differential Revision: https://reviews.llvm.org/D99508
 2021-03-29 12:06:30 -04:00
Fanbo Meng 0858f0e09e [SystemZ][z/OS] Set maximum value to truncate attribute aligned to for static variables on z/OS target 
On z/OS there is a hard limitation on on the maximum requestable alignment in aligned attribute for static variables. We need to truncate values greater than that.

Reviewed By: abhina.sreeskantharajan

Differential Revision: https://reviews.llvm.org/D98864
 2021-03-29 09:44:33 -04:00
Fanbo Meng 6f91cf75d7 [SystemZ][z/OS] Ignore leading zero width bitfield alignment on z/OS target 
Zero length bitfield alignment is not respected if they are leading members on z/OS target.

Reviewed By: abhina.sreeskantharajan

Differential Revision: https://reviews.llvm.org/D98890
 2021-03-26 10:10:33 -04:00
Abhina Sreeskantharajan 057e6bb554 [SystemZ][NFC] Group SystemZ tests in SystemZ folder 
This patch creates a SystemZ folder in clang/test/CodeGen to contain systemz-related lit tests.

Reviewed By: muiez

Differential Revision: https://reviews.llvm.org/D91628
 2020-11-18 11:49:15 -05:00