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Enable insertion of missing terminator instruction for main.

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This commit is contained in:
Christian Kamm
2008-07-29 15:58:45 +02:00
parent dd49c2ca00
commit f2c5fa2c2f
1 changed files with 10 additions and 9 deletions
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19
gen/functions.cpp
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@@ -695,16 +695,17 @@ void DtoDefineFunc(FuncDeclaration* fd)
// llvm requires all basic blocks to end with a TerminatorInst but DMD does not put a return statement
// in automatically, so we do it here.
if (!fd->isMain()) {
if (!gIR->scopereturned()) {
// pass the previous block into this block
if (global.params.symdebug) DtoDwarfFuncEnd(fd);
if (func->getReturnType() == LLType::VoidTy) {
llvm::ReturnInst::Create(gIR->scopebb());
}
else {
if (!gIR->scopereturned()) {
// pass the previous block into this block
if (global.params.symdebug) DtoDwarfFuncEnd(fd);
if (func->getReturnType() == LLType::VoidTy) {
llvm::ReturnInst::Create(gIR->scopebb());
}
else {
if (!fd->isMain())
llvm::ReturnInst::Create(llvm::UndefValue::get(func->getReturnType()), gIR->scopebb());
}
else
llvm::ReturnInst::Create(llvm::Constant::getNullValue(func->getReturnType()), gIR->scopebb());
}
}