[llvm] [SandboxIR][Tracker] Track Instruction::removeFromParent() (PR #99541)

[via llvm-commits]

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@@ -135,6 +136,26 @@ class EraseFromParent : public IRChangeBase {
 #endif
 };
 
+class RemoveFromParent : public IRChangeBase {
+  /// The instruction that is about to get removed.
+  Instruction *RemovedI = nullptr;
+  /// This is either the next instr, or the parent BB if at the end of the BB.
+  PointerUnion<Instruction *, BasicBlock *> NextInstrOrBB;
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vporpo wrote:

Yeah I could do that in a follow-up NFC

https://github.com/llvm/llvm-project/pull/99541