ROCm-Device-Libs: LLVM 22 SPIR-V datalayout fix#1157
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Switch to 0148370 approach: omit hardcoded datalayout/triple in .ll files, query clang -target spirv64 at configure to get datalayout. Robust across LLVM versions (19, 22, chipStar fork). Set AMDGPU_TARGET_TRIPLE=spirv64 for chipStar OpenCL path.
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Switch to 0148370 approach by @linehill: omit hardcoded datalayout/triple in .ll files,query clang -target spirv64 at configure to get datalayout. Robust acrossLLVM versions (19, 22, chipStar fork). Set AMDGPU_TARGET_TRIPLE=spirv64 forchipStar OpenCL path.