rnk added inline comments.
================
Comment at: lib/CodeGen/CGCUDABuiltin.cpp:105
@@ -99,3 +104,3 @@
llvm::Value *P = Builder.CreateStructGEP(AllocaTy, Alloca, I - 1);
llvm::Value *Arg = Args[I].RV.getScalarVal();
Builder.CreateAlignedStore(Arg, P,
DL.getPrefTypeAlignment(Arg->getType()));
----------------
rnk wrote:
> I assume this is what's asserting. Probably this code should do something
> like:
> if (Args[I].RV.isScalar()) {
> Arg = Args[I].RV.getScalarVal();
> } else {
> ErrorUnsupported(E, "non-scalar variadic argument");
> Arg = CGM.getNullValue(...);
> }
Under the assumption that the implementation of vprintf expects an old-school
va_list byte array, then it's probably easier to implement this behavior rather
than try to diagnose it. All you have to do is memcpy the bytes of the
aggregate.
You also might want to handle _Complex values.
http://reviews.llvm.org/D17103
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