[DTU] Deprecate insertEdge*/deleteEdge*
Summary: This patch converts all existing `insertEdge*/deleteEdge*` to `applyUpdates` and marks `insertEdge*/deleteEdge*` as deprecated.
Reviewers: kuhar, brzycki
Reviewed By: kuhar, brzycki
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D58443
llvm-svn: 354652
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp
index 44f47bf..c3a0268 100644
--- a/llvm/lib/Transforms/Utils/LoopUtils.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp
@@ -535,10 +535,9 @@
DomTreeUpdater DTU(DT, DomTreeUpdater::UpdateStrategy::Eager);
if (DT) {
// Update the dominator tree by informing it about the new edge from the
- // preheader to the exit.
- DTU.insertEdge(Preheader, ExitBlock);
- // Inform the dominator tree about the removed edge.
- DTU.deleteEdge(Preheader, L->getHeader());
+ // preheader to the exit and the removed edge.
+ DTU.applyUpdates({{DominatorTree::Insert, Preheader, ExitBlock},
+ {DominatorTree::Delete, Preheader, L->getHeader()}});
}
// Use a map to unique and a vector to guarantee deterministic ordering.