yaxunl marked an inline comment as done.
yaxunl added inline comments.
================
Comment at: lib/Sema/SemaDecl.cpp:10286
+ // these variables must be a compile time constant.
+ VDecl->getType().getAddressSpace() == LangAS::opencl_constant)
CheckForConstantInitializer(Init, DclT);
----------------
rjmccall wrote:
> Should this rule apply even in C++ mode? I can't remember if there are any
> OpenCL/C++ hybrids.
No. This rule (static local variable needs to be initialised with compile-time
constant) only applies to C and OpenCL.
In C++ static local variable can be initialised with non-compile-time constant,
in which case Clang will emit atomic instructions to make sure it is only
initialised once.
Currently OpenCL 2.2 defines OpenCL C++ but clang does not support it.
https://reviews.llvm.org/D32977
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