[llvm] [SimplifyCFG] Supporting hoisting/sinking callbases with differing attrs (PR #109472)

[via llvm-commits]

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@@ -881,16 +881,19 @@ class Instruction : public User,
   /// This is like isIdenticalTo, except that it ignores the
   /// SubclassOptionalData flags, which may specify conditions under which the
   /// instruction's result is undefined.
-  bool isIdenticalToWhenDefined(const Instruction *I) const LLVM_READONLY;
+  bool isIdenticalToWhenDefined(const Instruction *I,
+                                bool IgnoreAttrs = false) const LLVM_READONLY;
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goldsteinn wrote:

Agreed, Will change

https://github.com/llvm/llvm-project/pull/109472