Address review comment

Camsyn · Camsyn · commit be325aa5cbad · 2025-10-29T23:53:33.000+08:00
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -1875,7 +1875,7 @@ bool SimplifyCFGOpt::hoistCommonCodeFromSuccessors(Instruction *TI,
     // by an `unreachable` inst. Since executing `unreachable` inst is an UB, we
     // can relax the condition based on the assumptiom that the program would
     // never enter Succ and trigger an UB.
-    if (isa<UnreachableInst>(Succ->getFirstNonPHIOrDbgOrLifetime()))
+    if (isa<UnreachableInst>(*Succ->begin()))
       continue;
     return false;
   }

Original file line number	Diff line number	Diff line change
`@@ -1875,7 +1875,7 @@ bool SimplifyCFGOpt::hoistCommonCodeFromSuccessors(Instruction *TI,`
`1875`	`1875`	// by an `unreachable` inst. Since executing `unreachable` inst is an UB, we
`1876`	`1876`	`// can relax the condition based on the assumptiom that the program would`
`1877`	`1877`	`// never enter Succ and trigger an UB.`
`1878`		`- if (isa<UnreachableInst>(Succ->getFirstNonPHIOrDbgOrLifetime()))`
	`1878`	`+ if (isa<UnreachableInst>(*Succ->begin()))`
`1879`	`1879`	`continue;`
`1880`	`1880`	`return false;`
`1881`	`1881`	`}`