comment

Pierre-vh · Pierre-vh · commit b0cb58fd0682 · 2025-07-24T12:35:18.000+02:00
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -15284,7 +15284,7 @@ SDValue DAGCombiner::visitAssertExt(SDNode *N) {
 
     // Remove AssertZext entirely if the mask guarantees the assertion cannot
     // fail.
-    if (Mask.isMask() && Mask.countr_one() <= AssertVT.getScalarSizeInBits())
+    if (Mask.isIntN(AssertVT.getScalarSizeInBits()))
       return N0;
   }
 

Original file line number	Diff line number	Diff line change
`@@ -15284,7 +15284,7 @@ SDValue DAGCombiner::visitAssertExt(SDNode *N) {`
`15284`	`15284`
`15285`	`15285`	`// Remove AssertZext entirely if the mask guarantees the assertion cannot`
`15286`	`15286`	`// fail.`
`15287`		`- if (Mask.isMask() && Mask.countr_one() <= AssertVT.getScalarSizeInBits())`
	`15287`	`+ if (Mask.isIntN(AssertVT.getScalarSizeInBits()))`
`15288`	`15288`	`return N0;`
`15289`	`15289`	`}`
`15290`	`15290`