isLiveIn method
Query live-in variable information for a block. Must be in SSA form.
Implementation
bool isLiveIn(SSA variable, BasicBlock block) {
if (!inSSAForm) {
throw StateError('Cannot query live-in variables in non-SSA form');
}
return isLiveInUsingMergeSet(root.id!, block.id!, variable, blockDefines!,
uses!, dominators, mergeSets);
}