[llvm] [SandboxVec][DAG] Build actual dependencies (PR #111094)

[via llvm-commits]

================
@@ -159,8 +168,37 @@ class DependencyGraph {
   /// The DAG spans across all instructions in this interval.
   Interval<Instruction> DAGInterval;
 
+  std::unique_ptr<BatchAAResults> BatchAA;
+
+  enum class DependencyType {
+    RAW,   ///> Read After Write
+    WAW,   ///> Write After Write
+    RAR,   ///> Read After Read
----------------
vporpo wrote:

We could, but None has a different meaning, that the instructions are not accessing memory.

https://github.com/llvm/llvm-project/pull/111094