[llvm-bugs] [Bug 31224] New: lld produces broken executable with CUDA
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Dec 1 06:30:18 PST 2016
https://llvm.org/bugs/show_bug.cgi?id=31224
Bug ID: 31224
Summary: lld produces broken executable with CUDA
Product: lld
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: unassignedbugs at nondot.org
Reporter: ismail at i10z.com
CC: llvm-bugs at lists.llvm.org
Classification: Unclassified
Created attachment 17694
--> https://llvm.org/bugs/attachment.cgi?id=17694&action=edit
Crashing executable
havana ~/Downloads > clang-4.0 -v
openSUSE Linux clang version 4.0.0 (trunk 288322) (based on LLVM 4.0.0svn)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /suse/idoenmez/bin
Found candidate GCC installation: /usr/lib64/gcc/x86_64-suse-linux/6
Selected GCC installation: /usr/lib64/gcc/x86_64-suse-linux/6
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Selected multilib: .;@m64
> /opt/clang/bin/clang++ --cuda-gpu-arch=sm_50 --cuda-path=/havana/cuda-8.0 axpy.cu -fuse-ld=lld -L/havana/cuda-8.0/lib64 -lcudart_static -ldl -lrt -pthread -Wl,-rpath,/opt/clang/lib64 -Wl,-rpath,/havana/cuda-8.0/lib64
> ./a.out
zsh: segmentation fault (core dumped) ./a.out
Same works with gold (or bfd too):
> /opt/clang/bin/clang++ --cuda-gpu-arch=sm_50 --cuda-path=/havana/cuda-8.0 axpy.cu -fuse-ld=gold -L/havana/cuda-8.0/lib64 -lcudart_static -ldl -lrt -pthread -Wl,-rpath,/opt/clang/lib64 -Wl,-rpath,/havana/cuda-8.0/lib64
> ./a.out
y[0] = 2
y[1] = 4
y[2] = 6
y[3] = 8
Attached is the produced binary.
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