1 files changed, 3 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 5c1b19eba1c1..30d202494320 100644
--- a/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/contrib/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1945,6 +1945,9 @@ SDValue SelectionDAG::getVScale(const SDLoc &DL, EVT VT, APInt MulImm,
   assert(MulImm.getBitWidth() == VT.getSizeInBits() &&
          "APInt size does not match type size!");
 
+  if (MulImm == 0)
+    return getConstant(0, DL, VT);
+
   if (ConstantFold) {
     const MachineFunction &MF = getMachineFunction();
     auto Attr = MF.getFunction().getFnAttribute(Attribute::VScaleRange);