[DomTreeUpdater] Move critical edge splitting code to updater (#115111)

Support critical edge splitting in dominator tree updater. Continue the
work in #100856.

Compile time check:
https://llvm-compile-time-tracker.com/compare.php?from=87c35d782795b54911b3e3a91a5b738d4d870e55&to=42b3e5623a9ab4c3648564dc0926b36f3b438a3a&stat=instructions%3Au

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/XRayInstrumentation.cpp b/llvm/lib/CodeGen/XRayInstrumentation.cpp
index 8af16fa..fa0ce6d 100644
--- a/llvm/lib/CodeGen/XRayInstrumentation.cpp
+++ b/llvm/lib/CodeGen/XRayInstrumentation.cpp
@@ -175,7 +175,7 @@ bool XRayInstrumentation::runOnMachineFunction(MachineFunction &MF) {
       auto *MDT = MDTWrapper ? &MDTWrapper->getDomTree() : nullptr;
       MachineDominatorTree ComputedMDT;
       if (!MDT) {
-        ComputedMDT.getBase().recalculate(MF);
+        ComputedMDT.recalculate(MF);
         MDT = &ComputedMDT;
       }
 
@@ -184,7 +184,7 @@ bool XRayInstrumentation::runOnMachineFunction(MachineFunction &MF) {
       auto *MLI = MLIWrapper ? &MLIWrapper->getLI() : nullptr;
       MachineLoopInfo ComputedMLI;
       if (!MLI) {
-        ComputedMLI.analyze(MDT->getBase());
+        ComputedMLI.analyze(*MDT);
         MLI = &ComputedMLI;
       }