Skip FiniteDiff tests on OpenCL due to LLVM SPIR-V backend bug#407
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ChrisRackauckas merged 1 commit intoSciML:masterfrom Feb 21, 2026
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The LLVM SPIR-V backend (llc) crashes when compiling functions that
return SMatrix{1,1,Float32}, which gets lowered to `[1 x float]` in
LLVM IR. The backend miscompiles the return type to i32, causing
"Broken function found, compilation aborted!".
Tracked upstream at JuliaGPU/OpenCL.jl#422
Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
gpu_kernel_de/finite_diff.jltests whenGROUP == "OpenCL"llcfromSPIRV_LLVM_Backend_jll) crashes on functions returningSMatrix{1,1,Float32}, which gets lowered to LLVM type[1 x float]. The backend miscompiles the return type toi32, causingLLVM ERROR: Broken function found, compilation aborted!Test plan
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