No functionality change. Use unreachable in getCUOffset.

llvm-svn: 176963
This commit is contained in:
Manman Ren 2013-03-13 18:41:27 +00:00
parent 4da1606aac
commit 716415b1ac

View File

@ -1889,13 +1889,15 @@ void DwarfUnits::emitUnits(DwarfDebug *DD,
/// For a given compile unit DIE, returns offset from beginning of debug info.
unsigned DwarfUnits::getCUOffset(DIE *Die) {
assert(Die->getTag() == dwarf::DW_TAG_compile_unit &&
"Input DIE should be compile unit in getCUOffset.");
for (SmallVector<CompileUnit *, 1>::iterator I = CUs.begin(),
E = CUs.end(); I != E; ++I) {
CompileUnit *TheCU = *I;
if (TheCU->getCUDie() == Die)
return TheCU->getDebugInfoOffset();
}
return 0;
llvm_unreachable("The compile unit DIE should belong to CUs in DwarfUnits.");
}
// Emit the debug info section.