jlebar added inline comments.
================
Comment at: lib/Sema/SemaDecl.cpp:8011-8013
@@ +8010,5 @@
+ // allowed, so we just treat those as host-only.
+ if (getLangOpts().CUDA && getLangOpts().CUDAHostDeviceConstexpr &&
+ NewFD->isConstexpr() && !NewFD->isVariadic() &&
+ !NewFD->hasAttr<CUDAHostAttr>() && !NewFD->hasAttr<CUDADeviceAttr>()) {
+ NewFD->addAttr(CUDAHostAttr::CreateImplicit(Context));
----------------
tra wrote:
> Can we have constexpr `__global__` ?
Yikes. We're saved (unless Richard has a tricky counterexample) because
kernels must be void and constexpr must not be void. But I'll add a check here
anyway.
http://reviews.llvm.org/D18380
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