diff --git a/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp b/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
index 096d7ce0cb64d..bc04b9f768e57 100644
--- a/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
+++ b/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
@@ -1291,9 +1291,20 @@ void RISCVInsertVSETVLI::emitVSETVLIs(MachineBasicBlock &MBB) {
       if (RISCVII::hasVLOp(TSFlags)) {
         MachineOperand &VLOp = MI.getOperand(getVLOpNum(MI));
         if (VLOp.isReg()) {
+          Register Reg = VLOp.getReg();
+          MachineInstr *VLOpDef = MRI->getVRegDef(Reg);
+
           // Erase the AVL operand from the instruction.
           VLOp.setReg(RISCV::NoRegister);
           VLOp.setIsKill(false);
+
+          // If the AVL was an immediate > 31, then it would have been emitted
+          // as an ADDI. However, the ADDI might not have been used in the
+          // vsetvli, or a vsetvli might not have been emitted, so it may be
+          // dead now.
+          if (VLOpDef && TII->isAddImmediate(*VLOpDef, Reg) &&
+              MRI->use_nodbg_empty(Reg))
+            VLOpDef->eraseFromParent();
         }
         MI.addOperand(MachineOperand::CreateReg(RISCV::VL, /*isDef*/ false,
                                                 /*isImp*/ true));
diff --git a/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-masked-gather.ll b/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-masked-gather.ll
index ac3bf0d89b5ed..a2f367abb9ddd 100644
--- a/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-masked-gather.ll
+++ b/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-masked-gather.ll
@@ -12432,7 +12432,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v12
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 2, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 1
@@ -12470,7 +12469,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v14
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v14, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 6, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v14, 5
@@ -12494,7 +12492,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v13
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v13, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 10, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v13, 9
@@ -12509,7 +12506,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v12
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v14, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 11, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v14, 10
@@ -12522,7 +12518,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v12
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 12, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 11
@@ -12535,7 +12530,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v13
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v9, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 13, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v9, 12
@@ -12548,7 +12542,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v9
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v9, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 14, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v9, 13
@@ -12572,7 +12565,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v9
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 18, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 17
@@ -12610,7 +12602,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v12
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 22, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 21
@@ -12634,7 +12625,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v9
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 26, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 25
@@ -12660,7 +12650,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v8
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 30, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 29
@@ -12673,7 +12662,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v8
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 31, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 30
@@ -12698,7 +12686,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v12
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v14, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 3, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v14, 2
@@ -12710,7 +12697,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v12
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 4, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 3
@@ -12721,7 +12707,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v13
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v14, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 7, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v14, 6
@@ -12733,7 +12718,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v13
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v13, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 8, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v13, 7
@@ -12756,7 +12740,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v9
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 15, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 14
@@ -12768,7 +12751,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v9
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v9, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 16, e8, m1, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v9, 15
@@ -12791,7 +12773,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v12
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v14, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 19, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v14, 18
@@ -12803,7 +12784,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v12
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 20, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 19
@@ -12814,7 +12794,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v9
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 23, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 22
@@ -12826,7 +12805,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v9
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 24, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 23
@@ -12849,7 +12827,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v8
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 27, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 26
@@ -12861,7 +12838,6 @@ define <32 x i8> @mgather_baseidx_v32i8(ptr %base, <32 x i8> %idxs, <32 x i1> %m
 ; RV64ZVE32F-NEXT:    vmv.x.s a2, v8
 ; RV64ZVE32F-NEXT:    add a2, a0, a2
 ; RV64ZVE32F-NEXT:    lbu a2, 0(a2)
-; RV64ZVE32F-NEXT:    li a3, 32
 ; RV64ZVE32F-NEXT:    vmv.s.x v12, a2
 ; RV64ZVE32F-NEXT:    vsetivli zero, 28, e8, m2, tu, ma
 ; RV64ZVE32F-NEXT:    vslideup.vi v10, v12, 27