[RISCV] Fix the order of arguments of setTruncStoreAction and setLoadExtAction (#73090)

The first argument of setTruncStoreAction/setLoadExtAction should be
Value VT instead of Memory VT.

Author: zixuan-wu

llvm/lib/Target/RISCV/RISCVISelLowering.cpp

@@ -751,9 +751,9 @@ RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
       // Expand all extending loads to types larger than this, and truncating
       // stores from types larger than this.
       for (MVT OtherVT : MVT::integer_scalable_vector_valuetypes()) {
-        setTruncStoreAction(OtherVT, VT, Expand);
-        setLoadExtAction({ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD}, OtherVT,
-                         VT, Expand);
+        setTruncStoreAction(VT, OtherVT, Expand);
+        setLoadExtAction({ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD}, VT,
+                         OtherVT, Expand);
       }
 
       setOperationAction({ISD::VP_FP_TO_SINT, ISD::VP_FP_TO_UINT,
@@ -843,8 +843,8 @@ RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
 
       for (MVT OtherVT : MVT::integer_scalable_vector_valuetypes()) {
         setTruncStoreAction(VT, OtherVT, Expand);
-        setLoadExtAction({ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD}, OtherVT,
-                         VT, Expand);
+        setLoadExtAction({ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD}, VT,
+                         OtherVT, Expand);
       }
 
       setOperationAction(ISD::VECTOR_DEINTERLEAVE, VT, Custom);
@@ -1074,8 +1074,8 @@ RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
           setOperationAction(Op, VT, Expand);
         for (MVT OtherVT : MVT::integer_fixedlen_vector_valuetypes()) {
           setTruncStoreAction(VT, OtherVT, Expand);
-          setLoadExtAction({ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD},
-                           OtherVT, VT, Expand);
+          setLoadExtAction({ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD}, VT,
+                           OtherVT, Expand);
         }
 
         // Custom lower fixed vector undefs to scalable vector undefs to avoid