Fix checking uselists of constants in assume bundle queries

arsenm · arsenm · commit 4fb501844297 · 2025-05-07T22:48:44.000+02:00
diff --git a/llvm/lib/Analysis/AssumeBundleQueries.cpp b/llvm/lib/Analysis/AssumeBundleQueries.cpp
@@ -180,6 +180,10 @@ llvm::getKnowledgeForValue(const Value *V,
     }
     return RetainedKnowledge::none();
   }
+
+  if (!V->hasUseList())
+    return RetainedKnowledge::none();
+
   for (const auto &U : V->uses()) {
     CallInst::BundleOpInfo* Bundle = getBundleFromUse(&U);
     if (!Bundle)

Original file line number	Diff line number	Diff line change
`@@ -180,6 +180,10 @@ llvm::getKnowledgeForValue(const Value *V,`
`180`	`180`	`}`
`181`	`181`	`return RetainedKnowledge::none();`
`182`	`182`	`}`
	`183`	`+`
	`184`	`+ if (!V->hasUseList())`
	`185`	`+ return RetainedKnowledge::none();`
	`186`	`+`
`183`	`187`	`for (const auto &U : V->uses()) {`
`184`	`188`	`CallInst::BundleOpInfo* Bundle = getBundleFromUse(&U);`
`185`	`189`	`if (!Bundle)`