diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
index a61a9f10be86c..3738c52b11db5 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -1077,24 +1077,33 @@ InstructionCost RISCVTTIImpl::getCastInstrCost(unsigned Opcode, Type *Dst,
                                      SrcLT.second, CostKind);
     }
     [[fallthrough]];
-  case ISD::FP_EXTEND:
   case ISD::FP_ROUND: {
-    // Counts of narrow/widen instructions.
+    // Counts of narrowing instructions.
     unsigned SrcEltSize = Src->getScalarSizeInBits();
     unsigned DstEltSize = Dst->getScalarSizeInBits();
 
-    unsigned Op = (ISD == ISD::TRUNCATE)    ? RISCV::VNSRL_WI
-                  : (ISD == ISD::FP_EXTEND) ? RISCV::VFWCVT_F_F_V
-                                            : RISCV::VFNCVT_F_F_W;
+    const unsigned Op =
+        (ISD == ISD::TRUNCATE) ? RISCV::VNSRL_WI : RISCV::VFNCVT_F_F_W;
     InstructionCost Cost = 0;
-    for (; SrcEltSize != DstEltSize;) {
+    for (; SrcEltSize != DstEltSize; SrcEltSize = SrcEltSize >> 1) {
       MVT ElementMVT = (ISD == ISD::TRUNCATE)
-                           ? MVT::getIntegerVT(DstEltSize)
-                           : MVT::getFloatingPointVT(DstEltSize);
+                           ? MVT::getIntegerVT(SrcEltSize)
+                           : MVT::getFloatingPointVT(SrcEltSize);
+      MVT SrcMVT = SrcLT.second.changeVectorElementType(ElementMVT);
+      Cost += getRISCVInstructionCost(Op, SrcMVT, CostKind);
+    }
+    return Cost;
+  }
+  case ISD::FP_EXTEND: {
+    // Counts of widening instructions.
+    unsigned SrcEltSize = Src->getScalarSizeInBits();
+    unsigned DstEltSize = Dst->getScalarSizeInBits();
+
+    InstructionCost Cost = 0;
+    for (; SrcEltSize != DstEltSize; DstEltSize = DstEltSize >> 1) {
+      MVT ElementMVT = MVT::getFloatingPointVT(DstEltSize);
       MVT DstMVT = DstLT.second.changeVectorElementType(ElementMVT);
-      DstEltSize =
-          (DstEltSize > SrcEltSize) ? DstEltSize >> 1 : DstEltSize << 1;
-      Cost += getRISCVInstructionCost(Op, DstMVT, CostKind);
+      Cost += getRISCVInstructionCost(RISCV::VFWCVT_F_F_V, DstMVT, CostKind);
     }
     return Cost;
   }
diff --git a/llvm/test/Analysis/CostModel/RISCV/cast.ll b/llvm/test/Analysis/CostModel/RISCV/cast.ll
index 669e7028ff54d..b460e81ec348f 100644
--- a/llvm/test/Analysis/CostModel/RISCV/cast.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/cast.ll
@@ -1028,20 +1028,20 @@ define void @trunc() {
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v2i64_v2i1 = trunc <2 x i64> undef to <2 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v4i16_v4i8 = trunc <4 x i16> undef to <4 x i8>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i32_v4i8 = trunc <4 x i32> undef to <4 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4i64_v4i8 = trunc <4 x i64> undef to <4 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v4i64_v4i8 = trunc <4 x i64> undef to <4 x i8>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v4i32_v4i16 = trunc <4 x i32> undef to <4 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i64_v4i16 = trunc <4 x i64> undef to <4 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v4i64_v4i32 = trunc <4 x i64> undef to <4 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4i64_v4i16 = trunc <4 x i64> undef to <4 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i64_v4i32 = trunc <4 x i64> undef to <4 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i8_v4i1 = trunc <4 x i8> undef to <4 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i16_v4i1 = trunc <4 x i16> undef to <4 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i32_v4i1 = trunc <4 x i32> undef to <4 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v4i64_v4i1 = trunc <4 x i64> undef to <4 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v8i16_v8i8 = trunc <8 x i16> undef to <8 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i32_v8i8 = trunc <8 x i32> undef to <8 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v8i64_v8i8 = trunc <8 x i64> undef to <8 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v8i32_v8i16 = trunc <8 x i32> undef to <8 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v8i64_v8i16 = trunc <8 x i64> undef to <8 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i64_v8i32 = trunc <8 x i64> undef to <8 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v8i32_v8i8 = trunc <8 x i32> undef to <8 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %v8i64_v8i8 = trunc <8 x i64> undef to <8 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i32_v8i16 = trunc <8 x i32> undef to <8 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v8i64_v8i16 = trunc <8 x i64> undef to <8 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v8i64_v8i32 = trunc <8 x i64> undef to <8 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i8_v8i1 = trunc <8 x i8> undef to <8 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i16_v8i1 = trunc <8 x i16> undef to <8 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v8i32_v8i1 = trunc <8 x i32> undef to <8 x i1>
@@ -1056,42 +1056,42 @@ define void @trunc() {
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16i16_v16i1 = trunc <2 x i16> undef to <2 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16i32_v16i1 = trunc <2 x i32> undef to <2 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16i64_v16i1 = trunc <2 x i64> undef to <2 x i1>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v32i16_v32i8 = trunc <16 x i16> undef to <16 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v32i32_v32i8 = trunc <16 x i32> undef to <16 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %v32i64_v32i8 = trunc <16 x i64> undef to <16 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v32i32_v32i16 = trunc <16 x i32> undef to <16 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v32i64_v32i16 = trunc <16 x i64> undef to <16 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v32i64_v32i32 = trunc <16 x i64> undef to <16 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v32i16_v32i8 = trunc <16 x i16> undef to <16 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v32i32_v32i8 = trunc <16 x i32> undef to <16 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %v32i64_v32i8 = trunc <16 x i64> undef to <16 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v32i32_v32i16 = trunc <16 x i32> undef to <16 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %v32i64_v32i16 = trunc <16 x i64> undef to <16 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v32i64_v32i32 = trunc <16 x i64> undef to <16 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v32i8_v32i1 = trunc <16 x i8> undef to <16 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v32i16_v32i1 = trunc <16 x i16> undef to <16 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v32i32_v32i1 = trunc <16 x i32> undef to <16 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v32i64_v32i1 = trunc <16 x i64> undef to <16 x i1>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v64i16_v64i8 = trunc <64 x i16> undef to <64 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %v64i32_v64i8 = trunc <64 x i32> undef to <64 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 31 for instruction: %v64i64_v64i8 = trunc <64 x i64> undef to <64 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %v64i32_v64i16 = trunc <64 x i32> undef to <64 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %v64i64_v64i16 = trunc <64 x i64> undef to <64 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %v64i64_v64i32 = trunc <64 x i64> undef to <64 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v64i16_v64i8 = trunc <64 x i16> undef to <64 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 25 for instruction: %v64i32_v64i8 = trunc <64 x i32> undef to <64 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 59 for instruction: %v64i64_v64i8 = trunc <64 x i64> undef to <64 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %v64i32_v64i16 = trunc <64 x i32> undef to <64 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %v64i64_v64i16 = trunc <64 x i64> undef to <64 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v64i64_v64i32 = trunc <64 x i64> undef to <64 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v64i8_v64i1 = trunc <64 x i8> undef to <64 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v64i16_v64i1 = trunc <64 x i16> undef to <64 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %v64i32_v64i1 = trunc <64 x i32> undef to <64 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v64i64_v64i1 = trunc <64 x i64> undef to <64 x i1>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %v128i16_v128i8 = trunc <128 x i16> undef to <128 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %v128i32_v128i8 = trunc <128 x i32> undef to <128 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 63 for instruction: %v128i64_v128i8 = trunc <128 x i64> undef to <128 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %v128i32_v128i16 = trunc <128 x i32> undef to <128 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %v128i64_v128i16 = trunc <128 x i64> undef to <128 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 36 for instruction: %v128i64_v128i32 = trunc <128 x i64> undef to <128 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %v128i16_v128i8 = trunc <128 x i16> undef to <128 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %v128i32_v128i8 = trunc <128 x i32> undef to <128 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 119 for instruction: %v128i64_v128i8 = trunc <128 x i64> undef to <128 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v128i32_v128i16 = trunc <128 x i32> undef to <128 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %v128i64_v128i16 = trunc <128 x i64> undef to <128 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 68 for instruction: %v128i64_v128i32 = trunc <128 x i64> undef to <128 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v128i8_v128i1 = trunc <128 x i8> undef to <128 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %v128i16_v128i1 = trunc <128 x i16> undef to <128 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 67 for instruction: %v128i32_v128i1 = trunc <128 x i32> undef to <128 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v128i64_v128i1 = trunc <128 x i64> undef to <128 x i1>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %v256i16_v256i8 = trunc <256 x i16> undef to <256 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %v256i32_v256i8 = trunc <256 x i32> undef to <256 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 126 for instruction: %v256i64_v256i8 = trunc <256 x i64> undef to <256 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 36 for instruction: %v256i32_v256i16 = trunc <256 x i32> undef to <256 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 108 for instruction: %v256i64_v256i16 = trunc <256 x i64> undef to <256 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 72 for instruction: %v256i64_v256i32 = trunc <256 x i64> undef to <256 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v256i16_v256i8 = trunc <256 x i16> undef to <256 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %v256i32_v256i8 = trunc <256 x i32> undef to <256 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 238 for instruction: %v256i64_v256i8 = trunc <256 x i64> undef to <256 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 68 for instruction: %v256i32_v256i16 = trunc <256 x i32> undef to <256 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 204 for instruction: %v256i64_v256i16 = trunc <256 x i64> undef to <256 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 136 for instruction: %v256i64_v256i32 = trunc <256 x i64> undef to <256 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v256i8_v256i1 = trunc <256 x i8> undef to <256 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 66 for instruction: %v256i16_v256i1 = trunc <256 x i16> undef to <256 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 134 for instruction: %v256i32_v256i1 = trunc <256 x i32> undef to <256 x i1>
@@ -1108,60 +1108,60 @@ define void @trunc() {
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv1i64_nxv1i1 = trunc <vscale x 1 x i64> undef to <vscale x 1 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv2i16_nxv2i8 = trunc <vscale x 2 x i16> undef to <vscale x 2 x i8>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i32_nxv2i8 = trunc <vscale x 2 x i32> undef to <vscale x 2 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv2i64_nxv2i8 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv2i64_nxv2i8 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i8>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv2i32_nxv2i16 = trunc <vscale x 2 x i32> undef to <vscale x 2 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i64_nxv2i16 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv2i64_nxv2i32 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv2i64_nxv2i16 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i64_nxv2i32 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i8_nxv2i1 = trunc <vscale x 2 x i8> undef to <vscale x 2 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i16_nxv2i1 = trunc <vscale x 2 x i16> undef to <vscale x 2 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i32_nxv2i1 = trunc <vscale x 2 x i32> undef to <vscale x 2 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv2i64_nxv2i1 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv4i16_nxv4i8 = trunc <vscale x 4 x i16> undef to <vscale x 4 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i32_nxv4i8 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv4i64_nxv4i8 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv4i32_nxv4i16 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv4i64_nxv4i16 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i64_nxv4i32 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv4i32_nxv4i8 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %nxv4i64_nxv4i8 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i32_nxv4i16 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv4i64_nxv4i16 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv4i64_nxv4i32 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i8_nxv4i1 = trunc <vscale x 4 x i8> undef to <vscale x 4 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i16_nxv4i1 = trunc <vscale x 4 x i16> undef to <vscale x 4 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv4i32_nxv4i1 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv4i64_nxv4i1 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i1>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv8i16_nxv8i8 = trunc <vscale x 8 x i16> undef to <vscale x 8 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv8i32_nxv8i8 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %nxv8i64_nxv8i8 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv8i32_nxv8i16 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv8i64_nxv8i16 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv8i64_nxv8i32 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv8i16_nxv8i8 = trunc <vscale x 8 x i16> undef to <vscale x 8 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv8i32_nxv8i8 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %nxv8i64_nxv8i8 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv8i32_nxv8i16 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %nxv8i64_nxv8i16 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv8i64_nxv8i32 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv8i8_nxv8i1 = trunc <vscale x 8 x i8> undef to <vscale x 8 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv8i16_nxv8i1 = trunc <vscale x 8 x i16> undef to <vscale x 8 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv8i32_nxv8i1 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %nxv8i64_nxv8i1 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i1>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv16i16_nxv16i8 = trunc <vscale x 16 x i16> undef to <vscale x 16 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv16i32_nxv16i8 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %nxv16i64_nxv16i8 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv16i32_nxv16i16 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %nxv16i64_nxv16i16 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %nxv16i64_nxv16i32 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv16i16_nxv16i8 = trunc <vscale x 16 x i16> undef to <vscale x 16 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %nxv16i32_nxv16i8 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 29 for instruction: %nxv16i64_nxv16i8 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv16i32_nxv16i16 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 25 for instruction: %nxv16i64_nxv16i16 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %nxv16i64_nxv16i32 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv16i8_nxv16i1 = trunc <vscale x 16 x i8> undef to <vscale x 16 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv16i16_nxv16i1 = trunc <vscale x 16 x i16> undef to <vscale x 16 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %nxv16i32_nxv16i1 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %nxv16i64_nxv16i1 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i1>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv32i16_nxv32i8 = trunc <vscale x 32 x i16> undef to <vscale x 32 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %nxv32i32_nxv32i8 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 31 for instruction: %nxv32i64_nxv32i8 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %nxv32i32_nxv32i16 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %nxv32i64_nxv32i16 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %nxv32i64_nxv32i32 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv32i16_nxv32i8 = trunc <vscale x 32 x i16> undef to <vscale x 32 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 25 for instruction: %nxv32i32_nxv32i8 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 59 for instruction: %nxv32i64_nxv32i8 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %nxv32i32_nxv32i16 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %nxv32i64_nxv32i16 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %nxv32i64_nxv32i32 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv32i8_nxv32i1 = trunc <vscale x 32 x i8> undef to <vscale x 32 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %nxv32i16_nxv32i1 = trunc <vscale x 32 x i16> undef to <vscale x 32 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %nxv32i32_nxv32i1 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 67 for instruction: %nxv32i64_nxv32i1 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i1>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %nxv64i16_nxv64i8 = trunc <vscale x 64 x i16> undef to <vscale x 64 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %nxv64i32_nxv64i8 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %nxv64i16_nxv64i8 = trunc <vscale x 64 x i16> undef to <vscale x 64 x i8>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %nxv64i32_nxv64i8 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i8>
 ; RV32-NEXT:  Cost Model: Invalid cost for instruction: %nxv64i64_nxv64i8 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i8>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %nxv64i32_nxv64i16 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 55 for instruction: %nxv64i64_nxv64i16 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i16>
-; RV32-NEXT:  Cost Model: Found an estimated cost of 37 for instruction: %nxv64i64_nxv64i32 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i32>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %nxv64i32_nxv64i16 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 103 for instruction: %nxv64i64_nxv64i16 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i16>
+; RV32-NEXT:  Cost Model: Found an estimated cost of 69 for instruction: %nxv64i64_nxv64i32 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i32>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %nxv64i8_nxv64i1 = trunc <vscale x 64 x i8> undef to <vscale x 64 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %nxv64i16_nxv64i1 = trunc <vscale x 64 x i16> undef to <vscale x 64 x i1>
 ; RV32-NEXT:  Cost Model: Found an estimated cost of 67 for instruction: %nxv64i32_nxv64i1 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i1>
@@ -1181,20 +1181,20 @@ define void @trunc() {
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v2i64_v2i1 = trunc <2 x i64> undef to <2 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v4i16_v4i8 = trunc <4 x i16> undef to <4 x i8>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i32_v4i8 = trunc <4 x i32> undef to <4 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4i64_v4i8 = trunc <4 x i64> undef to <4 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v4i64_v4i8 = trunc <4 x i64> undef to <4 x i8>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v4i32_v4i16 = trunc <4 x i32> undef to <4 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i64_v4i16 = trunc <4 x i64> undef to <4 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v4i64_v4i32 = trunc <4 x i64> undef to <4 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4i64_v4i16 = trunc <4 x i64> undef to <4 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i64_v4i32 = trunc <4 x i64> undef to <4 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i8_v4i1 = trunc <4 x i8> undef to <4 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i16_v4i1 = trunc <4 x i16> undef to <4 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4i32_v4i1 = trunc <4 x i32> undef to <4 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v4i64_v4i1 = trunc <4 x i64> undef to <4 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v8i16_v8i8 = trunc <8 x i16> undef to <8 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i32_v8i8 = trunc <8 x i32> undef to <8 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v8i64_v8i8 = trunc <8 x i64> undef to <8 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v8i32_v8i16 = trunc <8 x i32> undef to <8 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v8i64_v8i16 = trunc <8 x i64> undef to <8 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i64_v8i32 = trunc <8 x i64> undef to <8 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v8i32_v8i8 = trunc <8 x i32> undef to <8 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %v8i64_v8i8 = trunc <8 x i64> undef to <8 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i32_v8i16 = trunc <8 x i32> undef to <8 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v8i64_v8i16 = trunc <8 x i64> undef to <8 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v8i64_v8i32 = trunc <8 x i64> undef to <8 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i8_v8i1 = trunc <8 x i8> undef to <8 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8i16_v8i1 = trunc <8 x i16> undef to <8 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v8i32_v8i1 = trunc <8 x i32> undef to <8 x i1>
@@ -1209,42 +1209,42 @@ define void @trunc() {
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16i16_v16i1 = trunc <2 x i16> undef to <2 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16i32_v16i1 = trunc <2 x i32> undef to <2 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16i64_v16i1 = trunc <2 x i64> undef to <2 x i1>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v32i16_v32i8 = trunc <16 x i16> undef to <16 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v32i32_v32i8 = trunc <16 x i32> undef to <16 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %v32i64_v32i8 = trunc <16 x i64> undef to <16 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v32i32_v32i16 = trunc <16 x i32> undef to <16 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v32i64_v32i16 = trunc <16 x i64> undef to <16 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v32i64_v32i32 = trunc <16 x i64> undef to <16 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v32i16_v32i8 = trunc <16 x i16> undef to <16 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v32i32_v32i8 = trunc <16 x i32> undef to <16 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %v32i64_v32i8 = trunc <16 x i64> undef to <16 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v32i32_v32i16 = trunc <16 x i32> undef to <16 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %v32i64_v32i16 = trunc <16 x i64> undef to <16 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v32i64_v32i32 = trunc <16 x i64> undef to <16 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v32i8_v32i1 = trunc <16 x i8> undef to <16 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v32i16_v32i1 = trunc <16 x i16> undef to <16 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v32i32_v32i1 = trunc <16 x i32> undef to <16 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v32i64_v32i1 = trunc <16 x i64> undef to <16 x i1>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v64i16_v64i8 = trunc <64 x i16> undef to <64 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %v64i32_v64i8 = trunc <64 x i32> undef to <64 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 31 for instruction: %v64i64_v64i8 = trunc <64 x i64> undef to <64 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %v64i32_v64i16 = trunc <64 x i32> undef to <64 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %v64i64_v64i16 = trunc <64 x i64> undef to <64 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %v64i64_v64i32 = trunc <64 x i64> undef to <64 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v64i16_v64i8 = trunc <64 x i16> undef to <64 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 25 for instruction: %v64i32_v64i8 = trunc <64 x i32> undef to <64 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 59 for instruction: %v64i64_v64i8 = trunc <64 x i64> undef to <64 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %v64i32_v64i16 = trunc <64 x i32> undef to <64 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %v64i64_v64i16 = trunc <64 x i64> undef to <64 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v64i64_v64i32 = trunc <64 x i64> undef to <64 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v64i8_v64i1 = trunc <64 x i8> undef to <64 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v64i16_v64i1 = trunc <64 x i16> undef to <64 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %v64i32_v64i1 = trunc <64 x i32> undef to <64 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %v64i64_v64i1 = trunc <64 x i64> undef to <64 x i1>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %v128i16_v128i8 = trunc <128 x i16> undef to <128 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %v128i32_v128i8 = trunc <128 x i32> undef to <128 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 63 for instruction: %v128i64_v128i8 = trunc <128 x i64> undef to <128 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %v128i32_v128i16 = trunc <128 x i32> undef to <128 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %v128i64_v128i16 = trunc <128 x i64> undef to <128 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 36 for instruction: %v128i64_v128i32 = trunc <128 x i64> undef to <128 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %v128i16_v128i8 = trunc <128 x i16> undef to <128 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %v128i32_v128i8 = trunc <128 x i32> undef to <128 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 119 for instruction: %v128i64_v128i8 = trunc <128 x i64> undef to <128 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v128i32_v128i16 = trunc <128 x i32> undef to <128 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %v128i64_v128i16 = trunc <128 x i64> undef to <128 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 68 for instruction: %v128i64_v128i32 = trunc <128 x i64> undef to <128 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v128i8_v128i1 = trunc <128 x i8> undef to <128 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %v128i16_v128i1 = trunc <128 x i16> undef to <128 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v128i32_v128i1 = trunc <128 x i32> undef to <128 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v128i64_v128i1 = trunc <128 x i64> undef to <128 x i1>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %v256i16_v256i8 = trunc <256 x i16> undef to <256 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %v256i32_v256i8 = trunc <256 x i32> undef to <256 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 126 for instruction: %v256i64_v256i8 = trunc <256 x i64> undef to <256 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 36 for instruction: %v256i32_v256i16 = trunc <256 x i32> undef to <256 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 108 for instruction: %v256i64_v256i16 = trunc <256 x i64> undef to <256 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 72 for instruction: %v256i64_v256i32 = trunc <256 x i64> undef to <256 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v256i16_v256i8 = trunc <256 x i16> undef to <256 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %v256i32_v256i8 = trunc <256 x i32> undef to <256 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 238 for instruction: %v256i64_v256i8 = trunc <256 x i64> undef to <256 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 68 for instruction: %v256i32_v256i16 = trunc <256 x i32> undef to <256 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 204 for instruction: %v256i64_v256i16 = trunc <256 x i64> undef to <256 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 136 for instruction: %v256i64_v256i32 = trunc <256 x i64> undef to <256 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v256i8_v256i1 = trunc <256 x i8> undef to <256 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 66 for instruction: %v256i16_v256i1 = trunc <256 x i16> undef to <256 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v256i32_v256i1 = trunc <256 x i32> undef to <256 x i1>
@@ -1261,60 +1261,60 @@ define void @trunc() {
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv1i64_nxv1i1 = trunc <vscale x 1 x i64> undef to <vscale x 1 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv2i16_nxv2i8 = trunc <vscale x 2 x i16> undef to <vscale x 2 x i8>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i32_nxv2i8 = trunc <vscale x 2 x i32> undef to <vscale x 2 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv2i64_nxv2i8 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv2i64_nxv2i8 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i8>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv2i32_nxv2i16 = trunc <vscale x 2 x i32> undef to <vscale x 2 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i64_nxv2i16 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv2i64_nxv2i32 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv2i64_nxv2i16 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i64_nxv2i32 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i8_nxv2i1 = trunc <vscale x 2 x i8> undef to <vscale x 2 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i16_nxv2i1 = trunc <vscale x 2 x i16> undef to <vscale x 2 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2i32_nxv2i1 = trunc <vscale x 2 x i32> undef to <vscale x 2 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv2i64_nxv2i1 = trunc <vscale x 2 x i64> undef to <vscale x 2 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv4i16_nxv4i8 = trunc <vscale x 4 x i16> undef to <vscale x 4 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i32_nxv4i8 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv4i64_nxv4i8 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv4i32_nxv4i16 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv4i64_nxv4i16 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i64_nxv4i32 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv4i32_nxv4i8 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %nxv4i64_nxv4i8 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i32_nxv4i16 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv4i64_nxv4i16 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv4i64_nxv4i32 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i8_nxv4i1 = trunc <vscale x 4 x i8> undef to <vscale x 4 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4i16_nxv4i1 = trunc <vscale x 4 x i16> undef to <vscale x 4 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv4i32_nxv4i1 = trunc <vscale x 4 x i32> undef to <vscale x 4 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv4i64_nxv4i1 = trunc <vscale x 4 x i64> undef to <vscale x 4 x i1>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv8i16_nxv8i8 = trunc <vscale x 8 x i16> undef to <vscale x 8 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv8i32_nxv8i8 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %nxv8i64_nxv8i8 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv8i32_nxv8i16 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv8i64_nxv8i16 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv8i64_nxv8i32 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv8i16_nxv8i8 = trunc <vscale x 8 x i16> undef to <vscale x 8 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv8i32_nxv8i8 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %nxv8i64_nxv8i8 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv8i32_nxv8i16 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %nxv8i64_nxv8i16 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv8i64_nxv8i32 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv8i8_nxv8i1 = trunc <vscale x 8 x i8> undef to <vscale x 8 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv8i16_nxv8i1 = trunc <vscale x 8 x i16> undef to <vscale x 8 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv8i32_nxv8i1 = trunc <vscale x 8 x i32> undef to <vscale x 8 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %nxv8i64_nxv8i1 = trunc <vscale x 8 x i64> undef to <vscale x 8 x i1>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv16i16_nxv16i8 = trunc <vscale x 16 x i16> undef to <vscale x 16 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv16i32_nxv16i8 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %nxv16i64_nxv16i8 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv16i32_nxv16i16 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %nxv16i64_nxv16i16 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %nxv16i64_nxv16i32 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv16i16_nxv16i8 = trunc <vscale x 16 x i16> undef to <vscale x 16 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %nxv16i32_nxv16i8 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 29 for instruction: %nxv16i64_nxv16i8 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv16i32_nxv16i16 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 25 for instruction: %nxv16i64_nxv16i16 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %nxv16i64_nxv16i32 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv16i8_nxv16i1 = trunc <vscale x 16 x i8> undef to <vscale x 16 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv16i16_nxv16i1 = trunc <vscale x 16 x i16> undef to <vscale x 16 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %nxv16i32_nxv16i1 = trunc <vscale x 16 x i32> undef to <vscale x 16 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %nxv16i64_nxv16i1 = trunc <vscale x 16 x i64> undef to <vscale x 16 x i1>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv32i16_nxv32i8 = trunc <vscale x 32 x i16> undef to <vscale x 32 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %nxv32i32_nxv32i8 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 31 for instruction: %nxv32i64_nxv32i8 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %nxv32i32_nxv32i16 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %nxv32i64_nxv32i16 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %nxv32i64_nxv32i32 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv32i16_nxv32i8 = trunc <vscale x 32 x i16> undef to <vscale x 32 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 25 for instruction: %nxv32i32_nxv32i8 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 59 for instruction: %nxv32i64_nxv32i8 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %nxv32i32_nxv32i16 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %nxv32i64_nxv32i16 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %nxv32i64_nxv32i32 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv32i8_nxv32i1 = trunc <vscale x 32 x i8> undef to <vscale x 32 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %nxv32i16_nxv32i1 = trunc <vscale x 32 x i16> undef to <vscale x 32 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %nxv32i32_nxv32i1 = trunc <vscale x 32 x i32> undef to <vscale x 32 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 67 for instruction: %nxv32i64_nxv32i1 = trunc <vscale x 32 x i64> undef to <vscale x 32 x i1>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %nxv64i16_nxv64i8 = trunc <vscale x 64 x i16> undef to <vscale x 64 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %nxv64i32_nxv64i8 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 63 for instruction: %nxv64i64_nxv64i8 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i8>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %nxv64i32_nxv64i16 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %nxv64i64_nxv64i16 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i16>
-; RV64-NEXT:  Cost Model: Found an estimated cost of 36 for instruction: %nxv64i64_nxv64i32 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i32>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %nxv64i16_nxv64i8 = trunc <vscale x 64 x i16> undef to <vscale x 64 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %nxv64i32_nxv64i8 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 119 for instruction: %nxv64i64_nxv64i8 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i8>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %nxv64i32_nxv64i16 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %nxv64i64_nxv64i16 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i16>
+; RV64-NEXT:  Cost Model: Found an estimated cost of 68 for instruction: %nxv64i64_nxv64i32 = trunc <vscale x 64 x i64> undef to <vscale x 64 x i32>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %nxv64i8_nxv64i1 = trunc <vscale x 64 x i8> undef to <vscale x 64 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 33 for instruction: %nxv64i16_nxv64i1 = trunc <vscale x 64 x i16> undef to <vscale x 64 x i1>
 ; RV64-NEXT:  Cost Model: Found an estimated cost of 67 for instruction: %nxv64i32_nxv64i1 = trunc <vscale x 64 x i32> undef to <vscale x 64 x i1>
@@ -1600,44 +1600,44 @@ define void @fptrunc() {
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v2f64_v2f16 = fptrunc <2 x double> undef to <2 x half>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v2f64_v2f32 = fptrunc <2 x double> undef to <2 x float>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v4f32_v4f16 = fptrunc <4 x float> undef to <4 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4f64_v4f16 = fptrunc <4 x double> undef to <4 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v4f64_v4f32 = fptrunc <4 x double> undef to <4 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %v8f32_v8f16 = fptrunc <8 x float> undef to <8 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v8f64_v8f16 = fptrunc <8 x double> undef to <8 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8f64_v8f32 = fptrunc <8 x double> undef to <8 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v16f32_v16f16 = fptrunc <16 x float> undef to <16 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v16f64_v16f16 = fptrunc <16 x double> undef to <16 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v16f64_v16f32 = fptrunc <16 x double> undef to <16 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v32f32_v32f16 = fptrunc <32 x float> undef to <32 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %v32f64_v32f16 = fptrunc <32 x double> undef to <32 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %v32f64_v32f32 = fptrunc <32 x double> undef to <32 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %v64f32_v64f16 = fptrunc <64 x float> undef to <64 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %v64f64_v64f16 = fptrunc <64 x double> undef to <64 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %v64f64_v64f32 = fptrunc <64 x double> undef to <64 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %v128f32_v128f16 = fptrunc <128 x float> undef to <128 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %v128f64_v128f16 = fptrunc <128 x double> undef to <128 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 36 for instruction: %v128f64_v128f32 = fptrunc <128 x double> undef to <128 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4f64_v4f16 = fptrunc <4 x double> undef to <4 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v4f64_v4f32 = fptrunc <4 x double> undef to <4 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %v8f32_v8f16 = fptrunc <8 x float> undef to <8 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v8f64_v8f16 = fptrunc <8 x double> undef to <8 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v8f64_v8f32 = fptrunc <8 x double> undef to <8 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v16f32_v16f16 = fptrunc <16 x float> undef to <16 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %v16f64_v16f16 = fptrunc <16 x double> undef to <16 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v16f64_v16f32 = fptrunc <16 x double> undef to <16 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v32f32_v32f16 = fptrunc <32 x float> undef to <32 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 25 for instruction: %v32f64_v32f16 = fptrunc <32 x double> undef to <32 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %v32f64_v32f32 = fptrunc <32 x double> undef to <32 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %v64f32_v64f16 = fptrunc <64 x float> undef to <64 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %v64f64_v64f16 = fptrunc <64 x double> undef to <64 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v64f64_v64f32 = fptrunc <64 x double> undef to <64 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v128f32_v128f16 = fptrunc <128 x float> undef to <128 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %v128f64_v128f16 = fptrunc <128 x double> undef to <128 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 68 for instruction: %v128f64_v128f32 = fptrunc <128 x double> undef to <128 x float>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv1f32_nxv1f16 = fptrunc <vscale x 1 x float> undef to <vscale x 1 x half>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv1f64_nxv1f16 = fptrunc <vscale x 1 x double> undef to <vscale x 1 x half>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv1f64_nxv1f32 = fptrunc <vscale x 1 x double> undef to <vscale x 1 x float>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv2f32_nxv1f16 = fptrunc <vscale x 2 x float> undef to <vscale x 2 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2f64_nxv1f16 = fptrunc <vscale x 2 x double> undef to <vscale x 2 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv2f64_nxv1f32 = fptrunc <vscale x 2 x double> undef to <vscale x 2 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %nxv4f32_nxv4f16 = fptrunc <vscale x 4 x float> undef to <vscale x 4 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv4f64_nxv4f16 = fptrunc <vscale x 4 x double> undef to <vscale x 4 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4f64_nxv4f32 = fptrunc <vscale x 4 x double> undef to <vscale x 4 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv8f32_nxv8f16 = fptrunc <vscale x 8 x float> undef to <vscale x 8 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv8f64_nxv8f16 = fptrunc <vscale x 8 x double> undef to <vscale x 8 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv8f64_nxv8f32 = fptrunc <vscale x 8 x double> undef to <vscale x 8 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv16f32_nxv16f16 = fptrunc <vscale x 16 x float> undef to <vscale x 16 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %nxv16f64_nxv16f16 = fptrunc <vscale x 16 x double> undef to <vscale x 16 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %nxv16f64_nxv16f32 = fptrunc <vscale x 16 x double> undef to <vscale x 16 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %nxv32f32_nxv32f16 = fptrunc <vscale x 32 x float> undef to <vscale x 32 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %nxv32f64_nxv32f16 = fptrunc <vscale x 32 x double> undef to <vscale x 32 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %nxv32f64_nxv32f32 = fptrunc <vscale x 32 x double> undef to <vscale x 32 x float>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %nxv64f32_nxv64f16 = fptrunc <vscale x 64 x float> undef to <vscale x 64 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %nxv64f64_nxv64f16 = fptrunc <vscale x 64 x double> undef to <vscale x 64 x half>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 36 for instruction: %nxv64f64_nxv64f32 = fptrunc <vscale x 64 x double> undef to <vscale x 64 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %nxv2f64_nxv1f16 = fptrunc <vscale x 2 x double> undef to <vscale x 2 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv2f64_nxv1f32 = fptrunc <vscale x 2 x double> undef to <vscale x 2 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %nxv4f32_nxv4f16 = fptrunc <vscale x 4 x float> undef to <vscale x 4 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %nxv4f64_nxv4f16 = fptrunc <vscale x 4 x double> undef to <vscale x 4 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv4f64_nxv4f32 = fptrunc <vscale x 4 x double> undef to <vscale x 4 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %nxv8f32_nxv8f16 = fptrunc <vscale x 8 x float> undef to <vscale x 8 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %nxv8f64_nxv8f16 = fptrunc <vscale x 8 x double> undef to <vscale x 8 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv8f64_nxv8f32 = fptrunc <vscale x 8 x double> undef to <vscale x 8 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %nxv16f32_nxv16f16 = fptrunc <vscale x 16 x float> undef to <vscale x 16 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 25 for instruction: %nxv16f64_nxv16f16 = fptrunc <vscale x 16 x double> undef to <vscale x 16 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %nxv16f64_nxv16f32 = fptrunc <vscale x 16 x double> undef to <vscale x 16 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 17 for instruction: %nxv32f32_nxv32f16 = fptrunc <vscale x 32 x float> undef to <vscale x 32 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %nxv32f64_nxv32f16 = fptrunc <vscale x 32 x double> undef to <vscale x 32 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %nxv32f64_nxv32f32 = fptrunc <vscale x 32 x double> undef to <vscale x 32 x float>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %nxv64f32_nxv64f16 = fptrunc <vscale x 64 x float> undef to <vscale x 64 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %nxv64f64_nxv64f16 = fptrunc <vscale x 64 x double> undef to <vscale x 64 x half>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 68 for instruction: %nxv64f64_nxv64f32 = fptrunc <vscale x 64 x double> undef to <vscale x 64 x float>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
 ;
   %v2f32_v2f16 = fptrunc <2 x float> undef to <2 x half>