[SYCL] Preserve restrict on free function kernel pointer args#21989
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koparasy wants to merge 3 commits into
Open
[SYCL] Preserve restrict on free function kernel pointer args#21989koparasy wants to merge 3 commits into
koparasy wants to merge 3 commits into
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Preserve top-level pointer qualifiers when rewriting SYCL free function kernel pointer parameters into global address space, so restrict lowers to LLVM noalias on generated kernel arguments. Add device-code coverage for restrict-qualified free function kernel and helper parameters.
bader
approved these changes
May 12, 2026
Fznamznon
reviewed
May 12, 2026
Fznamznon
reviewed
May 12, 2026
cperkinsintel
approved these changes
May 13, 2026
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@intel/llvm-gatekeepers please consider merging |
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Preserve top-level pointer qualifiers when rewriting SYCL free function kernel pointer parameters into global address space, so restrict lowers to LLVM noalias on generated kernel arguments. Add device-code coverage for restrict-qualified free function kernel and helper parameters.
I changed
ModifyAddressSpacebecause that is where SYCL reconstructs rewritten pointer types. It was preserving pointee qualifiers but dropping top-level pointer qualifiers such as__restrict__, which caused the generated kernel parameters to lose LLVMnoalias.