[RISCV] lowerVectorFTRUNC_FCEIL_FFLOOR_FROUND - freeze source value before conversion to scalable type

Author: RKSimon

llvm/lib/Target/RISCV/RISCVISelLowering.cpp

@@ -3237,6 +3237,9 @@ lowerVectorFTRUNC_FCEIL_FFLOOR_FROUND(SDValue Op, SelectionDAG &DAG,
 
   SDValue Src = Op.getOperand(0);
 
+  // Freeze the source since we are increasing the number of uses.
+  Src = DAG.getFreeze(Src);
+
   MVT ContainerVT = VT;
   if (VT.isFixedLengthVector()) {
     ContainerVT = getContainerForFixedLengthVector(DAG, VT, Subtarget);
@@ -3254,9 +3257,6 @@ lowerVectorFTRUNC_FCEIL_FFLOOR_FROUND(SDValue Op, SelectionDAG &DAG,
     std::tie(Mask, VL) = getDefaultVLOps(VT, ContainerVT, DL, DAG, Subtarget);
   }
 
-  // Freeze the source since we are increasing the number of uses.
-  Src = DAG.getFreeze(Src);
-
   // We do the conversion on the absolute value and fix the sign at the end.
   SDValue Abs = DAG.getNode(RISCVISD::FABS_VL, DL, ContainerVT, Src, Mask, VL);