================
@@ -764,8 +764,26 @@ void SemaCUDA::checkAllowedInitializer(VarDecl *VD) {
if (VD->isInvalidDecl() || !VD->hasInit() || !VD->hasGlobalStorage() ||
IsDependentVar(VD))
return;
+
+ // A function-scope static is a device variable when it is emitted on the
+ // device side, and has the same initialization restrictions.
+ CUDAVariableTarget VT = IdentifyTarget(VD);
+ const FunctionDecl *FD = VD->getDeclContext()->getEnclosingFunction();
+
+ // CVT_Both means the enclosing function is __host__ __device__, so the
+ // variable is emitted on both sides and only the device-side copy is
+ // restricted. Lambdas are implicitly HD and their statics are host
variables.
+ const bool IsDeviceCopyOfHDStatic = VT == CVT_Both &&
+ getLangOpts().CUDAIsDevice && FD &&
+ !isImplicitHostDeviceFunction(FD);
+
+ // constexpr implies constant initialization and constant destruction.
+ bool IsDeviceLocalStatic = !IsSharedVar && VD->isStaticLocal() &&
+ !VD->isConstexpr() &&
+ (VT == CVT_Device || IsDeviceCopyOfHDStatic);
----------------
Sirraide wrote:
Also, can you add tests for statics in implicit `__host__ __device__` functions?
https://github.com/llvm/llvm-project/pull/222985
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