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3 Commits

Author SHA1 Message Date
Gabor Buella 5219ed89be [X86] NFC Include immintrin.h in CodeGen tests 
Following r333110:
"Move all Intel defined intrinsic includes into immintrin.h"

llvm-svn: 333160
 2018-05-24 07:09:08 +00:00
Simon Pilgrim c14865c0c5 [X86][AVX] Ensure vector non-temporal load/store intrinsics force pointer alignment (PR33830) 
Clang specifies a max type alignment of 16 bytes on darwin targets (annoyingly in the driver not via cc1), meaning that the builtin nontemporal stores don't correctly align the loads/stores to 32 or 64 bytes when required, resulting in lowering to temporal unaligned loads/stores.

This patch casts the vectors to explicitly aligned types prior to the load/store to ensure that the require alignment is respected.

Differential Revision: https://reviews.llvm.org/D35996

llvm-svn: 309488
 2017-07-29 15:33:34 +00:00
Simon Pilgrim 9207fab61a [X86] Add tests showing inability of vector non-temporal load/store intrinsic to force pointer alignment (PR33830) 
Clang specifies a max type alignment of 16 bytes on darwin targets, meaning that the builtin nontemporal stores don't correctly align the loads/stores to 32 or 64 bytes when required, resulting in lowering to temporal unaligned loads/stores.

llvm-svn: 309382
 2017-07-28 13:47:02 +00:00