Lewis Crawford 6d058317e6
Enable .ptr .global .align attributes for kernel attributes for CUDA (#114874)
Emit .ptr, .address-space, and .align attributes for kernel
args in CUDA (previously handled only for OpenCL).

This allows for more vectorization opportunities if the PTX consumer
is able to know about the pointer alignments.

If no alignment is explicitly specified, .align 1 will be emitted
to match the LLVM IR semantics in this case.

PTX ISA doc -
https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#kernel-parameter-attribute-ptr

This is a rework of the original patch proposed in #79646

---------

Co-authored-by: Vandana <vandanak@nvidia.com>
2024-11-15 12:40:53 +00:00
2024-11-14 23:04:18 -08:00
2024-08-25 02:17:15 +08:00

The LLVM Compiler Infrastructure

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Welcome to the LLVM project!

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The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
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