================
@@ -232,6 +233,161 @@ LValue CIRGenFunction::emitUnaryOpLValue(const
UnaryOperator *e) {
llvm_unreachable("Unknown unary operator kind!");
}
+/// If the specified expr is a simple decay from an array to pointer,
+/// return the array subexpression.
+/// FIXME: this could be abstracted into a commeon AST helper.
+static const Expr *isSimpleArrayDecayOperand(const Expr *e) {
+ // If this isn't just an array->pointer decay, bail out.
+ const auto *castExpr = dyn_cast<CastExpr>(e);
+ if (!castExpr || castExpr->getCastKind() != CK_ArrayToPointerDecay)
+ return nullptr;
+
+ // If this is a decay from variable width array, bail out.
+ const Expr *subExpr = castExpr->getSubExpr();
+ if (subExpr->getType()->isVariableArrayType())
----------------
erichkeane wrote:
Does this need an Assert/NYI/etc here? Seems like the purpose of MissingFeatures
https://github.com/llvm/llvm-project/pull/134536
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