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Author SHA1 Message Date
Artem Belevich 9f97dcb018 [NVPTX] Make sure we adjust alignment at all call sites 
.. including calls from kernel functions that were
ignored by mistake before.

llvm-svn: 275920
 2016-07-18 21:58:48 +00:00
Artem Belevich 052b1ed2fd [NVPTX] Force minimum alignment of 4 for byval arguments of device-side functions. 
Taking address of a byval variable in PTX is legal, but currently runs
into miscompilation by ptxas on sm_50+ (NVIDIA issue 1789042).
Work around the issue by enforcing minimum alignment on byval arguments
of device functions.

The change is a no-op on SASS level for sm_3x where ptxas already aligns
local copy by at least 4.

Differential Revision: https://reviews.llvm.org/D22428

llvm-svn: 275893
 2016-07-18 19:54:56 +00:00
Justin Holewinski 2dc9d072e5 [NVPTX] Use ABI alignment for parameters when alignment is not specified. 
Affects SM 2.0+.  Fixes bug 13324.

llvm-svn: 167646
 2012-11-09 23:50:24 +00:00