https://llvm.org/bugs/show_bug.cgi?id=30812
Bug ID: 30812
Summary: Binds for OpenMP offloading actions are not yet
implemented for NVPTX targets
Product: OpenMP
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Clang Compiler Support
Assignee: unassignedclangb...@nondot.org
Reporter: sfan...@us.ibm.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
This entry is to document that clang driver support for OpenMP offloading is
not yet prepared to generate jobs for NVPTX targets even though it is able to
generate the actions correctly, including when compiling with both OpenMP and
CUDA support.
Generated jobs require NVPTX/CUDA toolchain support to be implemented which is
work under progress. The OpenMP implementation cannot use the current
implementation that CUDA uses given that it interprets linking differently: it
expects linking to happen between code from different compilation units whereas
CUDA just bundles the implementations for different arch into a fatbinary.
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