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add an assert

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llvm-svn: 31267
This commit is contained in:
Chris Lattner 2006-10-28 18:11:20 +00:00
parent 2d338110d3
commit 8f46e97b96
1 changed files with 1 additions and 0 deletions
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lib/CodeGen/MachineFunction.cpp
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@ -363,6 +363,7 @@ void MachineFrameInfo::dump(const MachineFunction &MF) const {
///
unsigned MachineJumpTableInfo::getJumpTableIndex(
std::vector<MachineBasicBlock*> &DestBBs) {
assert(!DestBBs.empty() && "Cannot create an empty jump table!");
for (unsigned i = 0, e = JumpTables.size(); i != e; ++i)
if (JumpTables[i].MBBs == DestBBs)
return i;