[debug] Use poison instead of undef to set a killed dbg.assign address [NFC] (#119760)

pedroclobo · web-flow · commit 8820de68ddf0 · 2024-12-13T11:07:02.000Z
diff --git a/llvm/lib/IR/IntrinsicInst.cpp b/llvm/lib/IR/IntrinsicInst.cpp
@@ -223,7 +223,7 @@ void DbgAssignIntrinsic::setAddress(Value *V) {
 void DbgAssignIntrinsic::setKillAddress() {
   if (isKillAddress())
     return;
-  setAddress(UndefValue::get(getAddress()->getType()));
+  setAddress(PoisonValue::get(getAddress()->getType()));
 }
 
 bool DbgAssignIntrinsic::isKillAddress() const {

Original file line number	Diff line number	Diff line change
`@@ -223,7 +223,7 @@ void DbgAssignIntrinsic::setAddress(Value *V) {`
`223`	`223`	`void DbgAssignIntrinsic::setKillAddress() {`
`224`	`224`	`if (isKillAddress())`
`225`	`225`	`return;`
`226`		`- setAddress(UndefValue::get(getAddress()->getType()));`
	`226`	`+ setAddress(PoisonValue::get(getAddress()->getType()));`
`227`	`227`	`}`
`228`	`228`
`229`	`229`	`bool DbgAssignIntrinsic::isKillAddress() const {`