[llvm] [SandboxIR] Implement ConstantInt (PR #104639)

[Arthur Eubanks via llvm-commits]

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@@ -515,6 +516,41 @@ class Constant : public sandboxir::User {
 #endif
 };
 
+class ConstantInt : public Constant {
+  ConstantInt(llvm::ConstantInt *C, sandboxir::Context &Ctx)
+      : Constant(ClassID::ConstantInt, C, Ctx) {}
+  friend class Context; // For constructor.
+
+  Use getOperandUseInternal(unsigned OpIdx, bool Verify) const final {
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aeubanks wrote:

unfortunate LLVM class hierarchy

https://github.com/llvm/llvm-project/pull/104639