public void replaceSplitWithFloating(
ControlSplitNode node, FloatingNode replacement, AbstractBeginNode survivingSuccessor) {
assert node != null && replacement != null && node.isAlive() && replacement.isAlive()
: "cannot replace " + node + " with " + replacement;
assert survivingSuccessor != null;
node.clearSuccessors();
node.replaceAtPredecessor(survivingSuccessor);
node.replaceAtUsagesAndDelete(replacement);
}
private static boolean isAliveWithoutUsages(FloatingNode node) {
return node.isAlive() && FlowUtil.lacksUsages(node);
}
public void replaceFixedWithFloating(FixedWithNextNode node, FloatingNode replacement) {
assert node != null && replacement != null && node.isAlive() && replacement.isAlive()
: "cannot replace " + node + " with " + replacement;
GraphUtil.unlinkFixedNode(node);
node.replaceAtUsagesAndDelete(replacement);
}