diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
index fe1cdb2dfa423..9de5defee46a3 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -468,9 +468,8 @@ InstructionCost RISCVTTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
         //   vmv.v.x v8, a0
         //   vmsne.vi v0, v8, 0
         return LT.first *
-               (TLI->getLMULCost(LT.second) + // FIXME: should be 1 for andi
-                getRISCVInstructionCost({RISCV::VMV_V_X, RISCV::VMSNE_VI},
-                                        LT.second, CostKind));
+               (1 + getRISCVInstructionCost({RISCV::VMV_V_X, RISCV::VMSNE_VI},
+                                            LT.second, CostKind));
       }
       // Example sequence:
       //   vsetivli  zero, 2, e8, mf8, ta, mu (ignored)
@@ -482,11 +481,10 @@ InstructionCost RISCVTTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
       //   vmsne.vi  v0, v8, 0
 
       return LT.first *
-             (TLI->getLMULCost(LT.second) + // FIXME: this should be 1 for andi
-              getRISCVInstructionCost({RISCV::VMV_V_I, RISCV::VMERGE_VIM,
-                                       RISCV::VMV_X_S, RISCV::VMV_V_X,
-                                       RISCV::VMSNE_VI},
-                                      LT.second, CostKind));
+             (1 + getRISCVInstructionCost({RISCV::VMV_V_I, RISCV::VMERGE_VIM,
+                                           RISCV::VMV_X_S, RISCV::VMV_V_X,
+                                           RISCV::VMSNE_VI},
+                                          LT.second, CostKind));
     }
 
     if (HasScalar) {
@@ -531,9 +529,12 @@ InstructionCost RISCVTTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
     if (LT.second.isFixedLengthVector())
       // vrsub.vi has a 5 bit immediate field, otherwise an li suffices
       LenCost = isInt<5>(LT.second.getVectorNumElements() - 1) ? 0 : 1;
-    // FIXME: replace the constant `2` below with cost of {VID_V,VRSUB_VX}
+    unsigned Opcodes[] = {RISCV::VID_V, RISCV::VRSUB_VX, RISCV::VRGATHER_VV};
+    if (LT.second.isFixedLengthVector() &&
+        isInt<5>(LT.second.getVectorNumElements() - 1))
+      Opcodes[1] = RISCV::VRSUB_VI;
     InstructionCost GatherCost =
-        2 + getRISCVInstructionCost(RISCV::VRGATHER_VV, LT.second, CostKind);
+        getRISCVInstructionCost(Opcodes, LT.second, CostKind);
     // Mask operation additionally required extend and truncate
     InstructionCost ExtendCost = Tp->getElementType()->isIntegerTy(1) ? 3 : 0;
     return LT.first * (LenCost + GatherCost + ExtendCost);
diff --git a/llvm/test/Analysis/CostModel/RISCV/rvv-shuffle.ll b/llvm/test/Analysis/CostModel/RISCV/rvv-shuffle.ll
index 4f3c7e2f90c65..601e0ffa446e1 100644
--- a/llvm/test/Analysis/CostModel/RISCV/rvv-shuffle.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/rvv-shuffle.ll
@@ -14,7 +14,7 @@ define void  @vector_broadcast() {
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %5 = shufflevector <vscale x 4 x i32> undef, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %6 = shufflevector <vscale x 1 x i64> undef, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %7 = shufflevector <vscale x 2 x i64> undef, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %8 = shufflevector <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %8 = shufflevector <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %9 = shufflevector <vscale x 8 x i1> undef, <vscale x 8 x i1> undef, <vscale x 8 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %10 = shufflevector <vscale x 4 x i1> undef, <vscale x 4 x i1> undef, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %11 = shufflevector <vscale x 2 x i1> undef, <vscale x 2 x i1> undef, <vscale x 2 x i32> zeroinitializer
@@ -29,7 +29,7 @@ define void  @vector_broadcast() {
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %5 = shufflevector <vscale x 4 x i32> undef, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %6 = shufflevector <vscale x 1 x i64> undef, <vscale x 1 x i64> undef, <vscale x 1 x i32> zeroinitializer
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %7 = shufflevector <vscale x 2 x i64> undef, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
-; SIZE-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %8 = shufflevector <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %8 = shufflevector <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %9 = shufflevector <vscale x 8 x i1> undef, <vscale x 8 x i1> undef, <vscale x 8 x i32> zeroinitializer
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %10 = shufflevector <vscale x 4 x i1> undef, <vscale x 4 x i1> undef, <vscale x 4 x i32> zeroinitializer
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %11 = shufflevector <vscale x 2 x i1> undef, <vscale x 2 x i1> undef, <vscale x 2 x i32> zeroinitializer
@@ -78,20 +78,20 @@ declare <vscale x 16 x i32> @llvm.vector.insert.nxv16i32.nxv4i32(<vscale x 16 x
 
 define void @vector_reverse() {
 ; CHECK-LABEL: 'vector_reverse'
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %reverse_nxv16i8 = call <vscale x 16 x i8> @llvm.experimental.vector.reverse.nxv16i8(<vscale x 16 x i8> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 21 for instruction: %reverse_nxv32i8 = call <vscale x 32 x i8> @llvm.experimental.vector.reverse.nxv32i8(<vscale x 32 x i8> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %reverse_nxv16i8 = call <vscale x 16 x i8> @llvm.experimental.vector.reverse.nxv16i8(<vscale x 16 x i8> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %reverse_nxv32i8 = call <vscale x 32 x i8> @llvm.experimental.vector.reverse.nxv32i8(<vscale x 32 x i8> undef)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %reverse_nxv2i16 = call <vscale x 2 x i16> @llvm.experimental.vector.reverse.nxv2i16(<vscale x 2 x i16> undef)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %reverse_nxv4i16 = call <vscale x 4 x i16> @llvm.experimental.vector.reverse.nxv4i16(<vscale x 4 x i16> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %reverse_nxv8i16 = call <vscale x 8 x i16> @llvm.experimental.vector.reverse.nxv8i16(<vscale x 8 x i16> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 21 for instruction: %reverse_nxv16i16 = call <vscale x 16 x i16> @llvm.experimental.vector.reverse.nxv16i16(<vscale x 16 x i16> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %reverse_nxv4i32 = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 21 for instruction: %reverse_nxv8i32 = call <vscale x 8 x i32> @llvm.experimental.vector.reverse.nxv8i32(<vscale x 8 x i32> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %reverse_nxv2i64 = call <vscale x 2 x i64> @llvm.experimental.vector.reverse.nxv2i64(<vscale x 2 x i64> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 21 for instruction: %reverse_nxv4i64 = call <vscale x 4 x i64> @llvm.experimental.vector.reverse.nxv4i64(<vscale x 4 x i64> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 69 for instruction: %reverse_nxv8i64 = call <vscale x 8 x i64> @llvm.experimental.vector.reverse.nxv8i64(<vscale x 8 x i64> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 138 for instruction: %reverse_nxv16i64 = call <vscale x 16 x i64> @llvm.experimental.vector.reverse.nxv16i64(<vscale x 16 x i64> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 276 for instruction: %reverse_nxv32i64 = call <vscale x 32 x i64> @llvm.experimental.vector.reverse.nxv32i64(<vscale x 32 x i64> undef)
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %reverse_nxv16i1 = call <vscale x 16 x i1> @llvm.experimental.vector.reverse.nxv16i1(<vscale x 16 x i1> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %reverse_nxv8i16 = call <vscale x 8 x i16> @llvm.experimental.vector.reverse.nxv8i16(<vscale x 8 x i16> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %reverse_nxv16i16 = call <vscale x 16 x i16> @llvm.experimental.vector.reverse.nxv16i16(<vscale x 16 x i16> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %reverse_nxv4i32 = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %reverse_nxv8i32 = call <vscale x 8 x i32> @llvm.experimental.vector.reverse.nxv8i32(<vscale x 8 x i32> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %reverse_nxv2i64 = call <vscale x 2 x i64> @llvm.experimental.vector.reverse.nxv2i64(<vscale x 2 x i64> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %reverse_nxv4i64 = call <vscale x 4 x i64> @llvm.experimental.vector.reverse.nxv4i64(<vscale x 4 x i64> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 83 for instruction: %reverse_nxv8i64 = call <vscale x 8 x i64> @llvm.experimental.vector.reverse.nxv8i64(<vscale x 8 x i64> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 166 for instruction: %reverse_nxv16i64 = call <vscale x 16 x i64> @llvm.experimental.vector.reverse.nxv16i64(<vscale x 16 x i64> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 332 for instruction: %reverse_nxv32i64 = call <vscale x 32 x i64> @llvm.experimental.vector.reverse.nxv32i64(<vscale x 32 x i64> undef)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 14 for instruction: %reverse_nxv16i1 = call <vscale x 16 x i1> @llvm.experimental.vector.reverse.nxv16i1(<vscale x 16 x i1> undef)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %reverse_nxv8i1 = call <vscale x 8 x i1> @llvm.experimental.vector.reverse.nxv8i1(<vscale x 8 x i1> undef)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %reverse_nxv4i1 = call <vscale x 4 x i1> @llvm.experimental.vector.reverse.nxv4i1(<vscale x 4 x i1> undef)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %reverse_nxv2i1 = call <vscale x 2 x i1> @llvm.experimental.vector.reverse.nxv2i1(<vscale x 2 x i1> undef)
diff --git a/llvm/test/Analysis/CostModel/RISCV/shuffle-broadcast.ll b/llvm/test/Analysis/CostModel/RISCV/shuffle-broadcast.ll
index fc4a6b17d3f82..46bf3152ac5bd 100644
--- a/llvm/test/Analysis/CostModel/RISCV/shuffle-broadcast.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/shuffle-broadcast.ll
@@ -45,9 +45,9 @@ define void  @broadcast_scalable() #0{
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %38 = shufflevector <vscale x 2 x i1> undef, <vscale x 2 x i1> undef, <vscale x 2 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %39 = shufflevector <vscale x 4 x i1> undef, <vscale x 4 x i1> undef, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %40 = shufflevector <vscale x 8 x i1> undef, <vscale x 8 x i1> undef, <vscale x 8 x i32> zeroinitializer
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 11 for instruction: %41 = shufflevector <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 21 for instruction: %42 = shufflevector <vscale x 32 x i1> undef, <vscale x 32 x i1> undef, <vscale x 32 x i32> zeroinitializer
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 41 for instruction: %43 = shufflevector <vscale x 64 x i1> undef, <vscale x 64 x i1> undef, <vscale x 64 x i32> zeroinitializer
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %41 = shufflevector <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %42 = shufflevector <vscale x 32 x i1> undef, <vscale x 32 x i1> undef, <vscale x 32 x i32> zeroinitializer
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %43 = shufflevector <vscale x 64 x i1> undef, <vscale x 64 x i1> undef, <vscale x 64 x i32> zeroinitializer
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
 ;
 ; SIZE-LABEL: 'broadcast_scalable'
@@ -92,9 +92,9 @@ define void  @broadcast_scalable() #0{
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %38 = shufflevector <vscale x 2 x i1> undef, <vscale x 2 x i1> undef, <vscale x 2 x i32> zeroinitializer
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %39 = shufflevector <vscale x 4 x i1> undef, <vscale x 4 x i1> undef, <vscale x 4 x i32> zeroinitializer
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %40 = shufflevector <vscale x 8 x i1> undef, <vscale x 8 x i1> undef, <vscale x 8 x i32> zeroinitializer
-; SIZE-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %41 = shufflevector <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer
-; SIZE-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %42 = shufflevector <vscale x 32 x i1> undef, <vscale x 32 x i1> undef, <vscale x 32 x i32> zeroinitializer
-; SIZE-NEXT:  Cost Model: Found an estimated cost of 13 for instruction: %43 = shufflevector <vscale x 64 x i1> undef, <vscale x 64 x i1> undef, <vscale x 64 x i32> zeroinitializer
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %41 = shufflevector <vscale x 16 x i1> undef, <vscale x 16 x i1> undef, <vscale x 16 x i32> zeroinitializer
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %42 = shufflevector <vscale x 32 x i1> undef, <vscale x 32 x i1> undef, <vscale x 32 x i32> zeroinitializer
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %43 = shufflevector <vscale x 64 x i1> undef, <vscale x 64 x i1> undef, <vscale x 64 x i32> zeroinitializer
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
 ;
   %zero = shufflevector <vscale x 1 x half> undef, <vscale x 1 x half> undef, <vscale x 1 x i32> zeroinitializer
diff --git a/llvm/test/Analysis/CostModel/RISCV/shuffle-reverse.ll b/llvm/test/Analysis/CostModel/RISCV/shuffle-reverse.ll
index 146909cc93df1..e80dbe31683f3 100644
--- a/llvm/test/Analysis/CostModel/RISCV/shuffle-reverse.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/shuffle-reverse.ll
@@ -20,21 +20,21 @@ define void @reverse() {
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v2i16 = shufflevector <2 x i16> undef, <2 x i16> undef, <2 x i32> <i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4i16 = shufflevector <4 x i16> undef, <4 x i16> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v8i16 = shufflevector <8 x i16> undef, <8 x i16> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v16i16 = shufflevector <16 x i16> undef, <16 x i16> undef, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v16i16 = shufflevector <16 x i16> undef, <16 x i16> undef, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v2i32 = shufflevector <2 x i32> undef, <2 x i32> undef, <2 x i32> <i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4i32 = shufflevector <4 x i32> undef, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v8i32 = shufflevector <8 x i32> undef, <8 x i32> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v8i32 = shufflevector <8 x i32> undef, <8 x i32> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v2i64 = shufflevector <2 x i64> undef, <2 x i64> undef, <2 x i32> <i32 1, i32 0>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v4i64 = shufflevector <4 x i64> undef, <4 x i64> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4i64 = shufflevector <4 x i64> undef, <4 x i64> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v2f16 = shufflevector <2 x half> undef, <2 x half> undef, <2 x i32> <i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4f16 = shufflevector <4 x half> undef, <4 x half> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v8f16 = shufflevector <8 x half> undef, <8 x half> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v16f16 = shufflevector <16 x half> undef, <16 x half> undef, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v16f16 = shufflevector <16 x half> undef, <16 x half> undef, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v2f32 = shufflevector <2 x float> undef, <2 x float> undef, <2 x i32> <i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v4f32 = shufflevector <4 x float> undef, <4 x float> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v8f32 = shufflevector <8 x float> undef, <8 x float> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v8f32 = shufflevector <8 x float> undef, <8 x float> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %v2f64 = shufflevector <2 x double> undef, <2 x double> undef, <2 x i32> <i32 1, i32 0>
-; CHECK-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v4f64 = shufflevector <4 x double> undef, <4 x double> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4f64 = shufflevector <4 x double> undef, <4 x double> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
 ;
 ; SIZE-LABEL: 'reverse'
diff --git a/llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse.ll b/llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse.ll
index 1bcd7a2e009e0..3b2bef02636d6 100644
--- a/llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse.ll
+++ b/llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse.ll
@@ -36,10 +36,10 @@ define void @vector_reverse_i64(ptr nocapture noundef writeonly %A, ptr nocaptur
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %i.0 = add nsw i32 %i.0.in8, -1
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %idxprom = zext i32 %i.0 to i64
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: %arrayidx = getelementptr inbounds i32, ptr %B, i64 %idxprom
-; CHECK-NEXT:  LV: Found an estimated cost of 11 for VF vscale x 4 For instruction: %1 = load i32, ptr %arrayidx, align 4
+; CHECK-NEXT:  LV: Found an estimated cost of 13 for VF vscale x 4 For instruction: %1 = load i32, ptr %arrayidx, align 4
 ; CHECK-NEXT:  LV: Found an estimated cost of 2 for VF vscale x 4 For instruction: %add9 = add i32 %1, 1
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: %arrayidx3 = getelementptr inbounds i32, ptr %A, i64 %idxprom
-; CHECK-NEXT:  LV: Found an estimated cost of 11 for VF vscale x 4 For instruction: store i32 %add9, ptr %arrayidx3, align 4
+; CHECK-NEXT:  LV: Found an estimated cost of 13 for VF vscale x 4 For instruction: store i32 %add9, ptr %arrayidx3, align 4
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %cmp = icmp ugt i64 %indvars.iv, 1
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %indvars.iv.next = add nsw i64 %indvars.iv, -1
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit, !llvm.loop !0
@@ -86,10 +86,10 @@ define void @vector_reverse_i64(ptr nocapture noundef writeonly %A, ptr nocaptur
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %i.0 = add nsw i32 %i.0.in8, -1
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %idxprom = zext i32 %i.0 to i64
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: %arrayidx = getelementptr inbounds i32, ptr %B, i64 %idxprom
-; CHECK-NEXT:  LV: Found an estimated cost of 11 for VF vscale x 4 For instruction: %1 = load i32, ptr %arrayidx, align 4
+; CHECK-NEXT:  LV: Found an estimated cost of 13 for VF vscale x 4 For instruction: %1 = load i32, ptr %arrayidx, align 4
 ; CHECK-NEXT:  LV: Found an estimated cost of 2 for VF vscale x 4 For instruction: %add9 = add i32 %1, 1
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: %arrayidx3 = getelementptr inbounds i32, ptr %A, i64 %idxprom
-; CHECK-NEXT:  LV: Found an estimated cost of 11 for VF vscale x 4 For instruction: store i32 %add9, ptr %arrayidx3, align 4
+; CHECK-NEXT:  LV: Found an estimated cost of 13 for VF vscale x 4 For instruction: store i32 %add9, ptr %arrayidx3, align 4
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %cmp = icmp ugt i64 %indvars.iv, 1
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %indvars.iv.next = add nsw i64 %indvars.iv, -1
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit, !llvm.loop !0
@@ -112,7 +112,7 @@ define void @vector_reverse_i64(ptr nocapture noundef writeonly %A, ptr nocaptur
 ; CHECK-NEXT:  LV(REG): RegisterClass: RISCV::GPRRC, 1 registers
 ; CHECK-NEXT:  LV: The target has 31 registers of RISCV::GPRRC register class
 ; CHECK-NEXT:  LV: The target has 32 registers of RISCV::VRRC register class
-; CHECK-NEXT:  LV: Loop cost is 28
+; CHECK-NEXT:  LV: Loop cost is 32
 ; CHECK-NEXT:  LV: IC is 1
 ; CHECK-NEXT:  LV: VF is vscale x 4
 ; CHECK-NEXT:  LV: Not Interleaving.
@@ -122,6 +122,7 @@ define void @vector_reverse_i64(ptr nocapture noundef writeonly %A, ptr nocaptur
 ; CHECK-NEXT:  Executing best plan with VF=vscale x 4, UF=1
 ; CHECK-NEXT:  LV: Interleaving disabled by the pass manager
 ; CHECK-NEXT:  LV: Vectorizing: innermost loop.
+; CHECK-EMPTY:
 ;
 entry:
   %cmp7 = icmp sgt i32 %n, 0
@@ -176,10 +177,10 @@ define void @vector_reverse_f32(ptr nocapture noundef writeonly %A, ptr nocaptur
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %i.0 = add nsw i32 %i.0.in8, -1
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %idxprom = zext i32 %i.0 to i64
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: %arrayidx = getelementptr inbounds float, ptr %B, i64 %idxprom
-; CHECK-NEXT:  LV: Found an estimated cost of 11 for VF vscale x 4 For instruction: %1 = load float, ptr %arrayidx, align 4
+; CHECK-NEXT:  LV: Found an estimated cost of 13 for VF vscale x 4 For instruction: %1 = load float, ptr %arrayidx, align 4
 ; CHECK-NEXT:  LV: Found an estimated cost of 2 for VF vscale x 4 For instruction: %conv1 = fadd float %1, 1.000000e+00
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: %arrayidx3 = getelementptr inbounds float, ptr %A, i64 %idxprom
-; CHECK-NEXT:  LV: Found an estimated cost of 11 for VF vscale x 4 For instruction: store float %conv1, ptr %arrayidx3, align 4
+; CHECK-NEXT:  LV: Found an estimated cost of 13 for VF vscale x 4 For instruction: store float %conv1, ptr %arrayidx3, align 4
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %cmp = icmp ugt i64 %indvars.iv, 1
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %indvars.iv.next = add nsw i64 %indvars.iv, -1
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit, !llvm.loop !0
@@ -226,10 +227,10 @@ define void @vector_reverse_f32(ptr nocapture noundef writeonly %A, ptr nocaptur
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %i.0 = add nsw i32 %i.0.in8, -1
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %idxprom = zext i32 %i.0 to i64
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: %arrayidx = getelementptr inbounds float, ptr %B, i64 %idxprom
-; CHECK-NEXT:  LV: Found an estimated cost of 11 for VF vscale x 4 For instruction: %1 = load float, ptr %arrayidx, align 4
+; CHECK-NEXT:  LV: Found an estimated cost of 13 for VF vscale x 4 For instruction: %1 = load float, ptr %arrayidx, align 4
 ; CHECK-NEXT:  LV: Found an estimated cost of 2 for VF vscale x 4 For instruction: %conv1 = fadd float %1, 1.000000e+00
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: %arrayidx3 = getelementptr inbounds float, ptr %A, i64 %idxprom
-; CHECK-NEXT:  LV: Found an estimated cost of 11 for VF vscale x 4 For instruction: store float %conv1, ptr %arrayidx3, align 4
+; CHECK-NEXT:  LV: Found an estimated cost of 13 for VF vscale x 4 For instruction: store float %conv1, ptr %arrayidx3, align 4
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %cmp = icmp ugt i64 %indvars.iv, 1
 ; CHECK-NEXT:  LV: Found an estimated cost of 1 for VF vscale x 4 For instruction: %indvars.iv.next = add nsw i64 %indvars.iv, -1
 ; CHECK-NEXT:  LV: Found an estimated cost of 0 for VF vscale x 4 For instruction: br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit, !llvm.loop !0
@@ -252,7 +253,7 @@ define void @vector_reverse_f32(ptr nocapture noundef writeonly %A, ptr nocaptur
 ; CHECK-NEXT:  LV(REG): RegisterClass: RISCV::GPRRC, 1 registers
 ; CHECK-NEXT:  LV: The target has 31 registers of RISCV::GPRRC register class
 ; CHECK-NEXT:  LV: The target has 32 registers of RISCV::VRRC register class
-; CHECK-NEXT:  LV: Loop cost is 28
+; CHECK-NEXT:  LV: Loop cost is 32
 ; CHECK-NEXT:  LV: IC is 1
 ; CHECK-NEXT:  LV: VF is vscale x 4
 ; CHECK-NEXT:  LV: Not Interleaving.