[llvm-dev] LLVM/CUDA generate LLVM IR (original) (raw)
Gurunath Kadam via llvm-dev llvm-dev at lists.llvm.org
Thu Oct 13 13:13:31 PDT 2016
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So for a c program we do:
clang -O3 -emit-llvm hello.c -c -o hello.bcBut how to generate an LLVM IR when working with CUDA.
for normal compilation: clang++ axpy.cu -o axpy --cuda-gpu-arch= -L/ -lcudart_static -ldl -lrt -pthread
I tried adding -S -emit-llvm and changed the output file name, but I keep getting following error:
clang++: /stor/gakadam/llvm_projects/llvm/tools/clang/lib/Driver/Driver.cpp:1618: virtual {anonymous}::OffloadingActionBuilder::DeviceActionBuilder::ActionBuilderReturnCode {anonymous}::OffloadingActionBuilder::CudaActionBuilder::getDeviceDepences(clang::driver::OffloadAction::DeviceDependences&, clang::driver::phases::ID, clang::driver::phases::ID, {anonymous}::OffloadingActionBuilder::DeviceActionBuilder::PhasesTy&): Assertion `CurPhase < phases::Backend && "Generating single CUDA " "instructions should only occur " "before the backend phase!"' failed.
I tried several combinations but no avail!
Any suggestions?
Thank you.
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