[llvm] [SandboxIR] Implement Instruction flags (PR #103343)

[Arthur Eubanks via llvm-commits]

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@@ -682,6 +682,106 @@ class Instruction : public sandboxir::User {
   /// For isa/dyn_cast.
   static bool classof(const sandboxir::Value *From);
 
+  /// Determine whether the no signed wrap flag is set.
+  bool hasNoUnsignedWrap() const LLVM_READONLY {
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aeubanks wrote:

I wouldn't mark these with LLVM_READONLY, who knows what the implementation might do under the hood

https://github.com/llvm/llvm-project/pull/103343