bool Sinking::ProcessBlock(BasicBlock &BB) {
// Can't sink anything out of a block that has less than two successors.
- if (BB.getTerminator()->getNumSuccessors() <= 1 || BB.empty()) return false;
+ if (BB.getTerminator()->getNumSuccessors() <= 1) return false;
// Don't bother sinking code out of unreachable blocks. In addition to being
// unprofitable, it can also lead to infinite looping, because in an
return false;
}
- if (isa<TerminatorInst>(Inst) || isa<PHINode>(Inst))
+ if (isa<TerminatorInst>(Inst) || isa<PHINode>(Inst) || Inst->isEHPad())
return false;
// Convergent operations cannot be made control-dependent on additional