[PATCH] D32431: [Polly] Added OpenCL Runtime to GPURuntime Library for GPGPU CodeGen

[Philipp Schaad via Phabricator via llvm-commits]

PhilippSchaad added inline comments.


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Comment at: lib/CodeGen/PPCGCodeGeneration.cpp:1623
+    else if (Runtime == GPURuntime::OpenCL)
+      GPUTriple = llvm::Triple(Triple::normalize("nvptx64-nvidia-nvcl"));
+    break;
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singam-sanjay wrote:
> Does `nvptx64-nvidia-nvcl` mean OpenCL code meant to be run on NVIDIA GPUs ?
Yes, exactly. It generates a slightly different flavor of PTX, which can be used by OpenCL to generate a kernel from the PTX binary (on NVIDIA GPUs). If you were to use the standard CUDA PTX, OpenCL would complain because of wrong argument accesses.


https://reviews.llvm.org/D32431