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Fix for fix from [974].

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This commit is contained in:
Christian Kamm
2009-02-17 19:08:38 +01:00
parent b3de4e773e
commit 461544fce8
1 changed files with 6 additions and 2 deletions
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8
gen/statements.cpp
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@@ -93,8 +93,12 @@ void ReturnStatement::toIR(IRState* p)
// can happen for classes and void main
if (v->getType() != p->topfunc()->getReturnType())
{
// for main and a void expression: return 0 instead, else bitcast
if (p->topfunc() == p->mainFunc && v->getType() == LLType::VoidTy)
// for the main function this only happens if it is declared as void
// and then contains a return (exp); statement. Since the actual
// return type remains i32, we just throw away the exp value
// and return 0 instead
// if we're not in main, just bitcast
if (p->topfunc() == p->mainFunc)
v = llvm::Constant::getNullValue(p->mainFunc->getReturnType());
else
v = gIR->ir->CreateBitCast(v, p->topfunc()->getReturnType(), "tmp");