/// and return its position in the terminator instruction's list of
/// successors. It is an error to call this with a block that is not a
/// successor.
-unsigned llvm::GetSuccessorNumber(BasicBlock *BB, BasicBlock *Succ) {
- TerminatorInst *Term = BB->getTerminator();
+unsigned llvm::GetSuccessorNumber(const BasicBlock *BB,
+ const BasicBlock *Succ) {
+ const TerminatorInst *Term = BB->getTerminator();
#ifndef NDEBUG
unsigned e = Term->getNumSuccessors();
#endif
return true;
// Linear scan, start at 'A', see whether we hit 'B' or the end first.
- for (BasicBlock::const_iterator I = A, E = BB->end(); I != E; ++I) {
+ for (BasicBlock::const_iterator I = A->getIterator(), E = BB->end(); I != E;
+ ++I) {
if (&*I == B)
return true;
}