https://bugs.llvm.org/show_bug.cgi?id=45003
Bug ID: 45003
Summary: std::complex support in offload region needed
Product: OpenMP
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Clang Compiler Support
Assignee: unassignedclangb...@nondot.org
Reporter: xw111lu...@gmail.com
CC: llvm-bugs@lists.llvm.org
https://github.com/ye-luo/openmp-target/blob/master/hands-on/tests/complex/complex.cpp
I cannot test this on x86 due to math header issue but I can test on power 9.
So far std::complex doesn't work at all.
[yeluo@login3.summit complex]$ clang++ -g -O3 -fopenmp
-fopenmp-targets=nvptx64-nvidia-cuda -ffast-math complex.cpp
[yeluo@login3.summit complex]$ ./a.out
wrong a * b (0,0), correct value (-0.3,0.5)
[yeluo@login3.summit complex]$ clang++ -g -O3 -fopenmp
-fopenmp-targets=nvptx64-nvidia-cuda complex.cpp
nvlink error : Undefined reference to '__mulsc3' in
'/tmp/complex-5ceac3.cubin'
clang-11: error: nvlink command failed with exit code 255 (use -v to see
invocation)
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