Don't crash if we are printing an orphaned basic block!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10100 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-11-20 00:09:43 +00:00
parent 8b1daa3e71
commit 4e4d8624c5

View File

@ -751,6 +751,9 @@ void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
Out << "<badref>";
}
if (BB->getParent() == 0)
Out << "\t\t; Error: Block without parent!";
else {
if (BB != &BB->getParent()->front()) { // Not the entry block?
// Output predecessors for the block...
Out << "\t\t;";
@ -767,6 +770,7 @@ void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
}
}
}
}
Out << "\n";