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

[Yingwei Zheng via llvm-commits]

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@@ -2048,6 +2196,11 @@ static bool canSinkInstructions(
         else if (Callee != CurrCallee)
           return false;
       }
+    }
+	// Check that we can intersect the attributes if we sink.
+    for (const Instruction *I : Insts) {
+      if (I != I0 && !tryIntersectAttrs(CB, cast<CallBase>(I)))
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dtcxzyw wrote:

Can we cache the result of intersection?


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