LowerGlobalDtors: Use use_empty instead of getNumUses == 0 (#136337)

arsenm · web-flow · commit 34f34665ac11 · 2025-04-18T21:18:00.000+02:00
diff --git a/llvm/lib/Transforms/Utils/LowerGlobalDtors.cpp b/llvm/lib/Transforms/Utils/LowerGlobalDtors.cpp
@@ -146,7 +146,7 @@ static bool runImpl(Module &M) {
   // the program never exits) we can simply return early and clear out
   // @llvm.global_dtors.
   if (auto F = dyn_cast<Function>(AtExit.getCallee())) {
-    if (F && F->hasExactDefinition() && F->getArg(0)->getNumUses() == 0) {
+    if (F && F->hasExactDefinition() && F->getArg(0)->use_empty()) {
       GV->eraseFromParent();
       return true;
     }

Original file line number	Diff line number	Diff line change
`@@ -146,7 +146,7 @@ static bool runImpl(Module &M) {`
`146`	`146`	`// the program never exits) we can simply return early and clear out`
`147`	`147`	`// @llvm.global_dtors.`
`148`	`148`	`if (auto F = dyn_cast<Function>(AtExit.getCallee())) {`
`149`		`- if (F && F->hasExactDefinition() && F->getArg(0)->getNumUses() == 0) {`
	`149`	`+ if (F && F->hasExactDefinition() && F->getArg(0)->use_empty()) {`
`150`	`150`	`GV->eraseFromParent();`
`151`	`151`	`return true;`
`152`	`152`	`}`