rnk added a comment.
Ultimately, Sema should be responsible for rejecting this, correct? In the
meantime we can have CodeGen reject this and emit a null value to avoid
crashing.
================
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()));
----------------
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(...);
}
http://reviews.llvm.org/D17103
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