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-rw-r--r--lib/VMCore/Function.cpp3
-rw-r--r--lib/VMCore/Verifier.cpp3
2 files changed, 6 insertions, 0 deletions
diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index 9a4ac6711c..b5586721e8 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -95,6 +95,9 @@ Function::Function(const FunctionType *Ty, LinkageTypes Linkage,
ArgumentList.setParent(this);
SymTab = new SymbolTable();
+ assert((getReturnType()->isFirstClassType() ||getReturnType() == Type::VoidTy)
+ && "LLVM functions cannot return aggregate values!");
+
// Create the arguments vector, all arguments start out unnamed.
for (unsigned i = 0, e = Ty->getNumParams(); i != e; ++i) {
assert(Ty->getParamType(i) != Type::VoidTy &&
diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp
index 1d441d1dd5..98288f4142 100644
--- a/lib/VMCore/Verifier.cpp
+++ b/lib/VMCore/Verifier.cpp
@@ -241,6 +241,9 @@ void Verifier::visitFunction(Function &F) {
Assert2(FT->getNumParams() == NumArgs,
"# formal arguments must match # of arguments for function type!",
&F, FT);
+ Assert1(F.getReturnType()->isFirstClassType() ||
+ F.getReturnType() == Type::VoidTy,
+ "Functions cannot return aggregate values!", &F);
// Check that the argument values match the function type for this function...
unsigned i = 0;