[llvm] [TargetVerifier][AMDGPU] Add TargetVerifier. (PR #123609)

[Matt Arsenault via llvm-commits]

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@@ -214,6 +214,10 @@ class LLVM_ABI Module {
 /// @name Constructors
 /// @{
 public:
+  /// Is this Module valid as determined by one of the verification passes
+  /// i.e. Lint, Verifier, TargetVerifier.
+  bool IsValid = true;
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arsenm wrote:

This should not be added 

https://github.com/llvm/llvm-project/pull/123609