[RISCV] Add tests for fixed vector vwsll. NFC

We are missing patterns for fixed vectors, where the sexts and zexts are
legalized to _vl nodes.

1 files changed, 920 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vwsll.ll b/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vwsll.ll
new file mode 100644
index 0000000..f5305a1
--- /dev/null
+++ b/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vwsll.ll
@@ -0,0 +1,920 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
+; RUN: llc -mtriple=riscv32 -mattr=+v -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mtriple=riscv64 -mattr=+v -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mtriple=riscv32 -mattr=+v,+zvbb -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK-ZVBB
+; RUN: llc -mtriple=riscv64 -mattr=+v,+zvbb -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK-ZVBB
+
+; ==============================================================================
+; i32 -> i64
+; ==============================================================================
+
+define <4 x i64> @vwsll_vv_v4i64_sext(<4 x i32> %a, <4 x i32> %b) {
+; CHECK-LABEL: vwsll_vv_v4i64_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vv_v4i64_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <4 x i32> %a to <4 x i64>
+  %y = sext <4 x i32> %b to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vv_v4i64_zext(<4 x i32> %a, <4 x i32> %b) {
+; CHECK-LABEL: vwsll_vv_v4i64_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vv_v4i64_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <4 x i32> %a to <4 x i64>
+  %y = zext <4 x i32> %b to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i64_v4i64(<4 x i32> %a, i64 %b) {
+; CHECK-LABEL: vwsll_vx_i64_v4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsll.vx v8, v10, a0
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i64_v4i64:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vx v8, v10, a0
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i64> poison, i64 %b, i32 0
+  %splat = shufflevector <4 x i64> %head, <4 x i64> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i32> %a to <4 x i64>
+  %z = shl <4 x i64> %x, %splat
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i32_v4i64_sext(<4 x i32> %a, i32 %b) {
+; CHECK-LABEL: vwsll_vx_i32_v4i64_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i32_v4i64_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i32> poison, i32 %b, i32 0
+  %splat = shufflevector <4 x i32> %head, <4 x i32> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i32> %a to <4 x i64>
+  %y = sext <4 x i32> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i32_v4i64_zext(<4 x i32> %a, i32 %b) {
+; CHECK-LABEL: vwsll_vx_i32_v4i64_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i32_v4i64_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i32> poison, i32 %b, i32 0
+  %splat = shufflevector <4 x i32> %head, <4 x i32> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i32> %a to <4 x i64>
+  %y = zext <4 x i32> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i16_v4i64_sext(<4 x i32> %a, i16 %b) {
+; CHECK-LABEL: vwsll_vx_i16_v4i64_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf4 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i16_v4i64_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf4 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i16> poison, i16 %b, i32 0
+  %splat = shufflevector <4 x i16> %head, <4 x i16> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i32> %a to <4 x i64>
+  %y = sext <4 x i16> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i16_v4i64_zext(<4 x i32> %a, i16 %b) {
+; CHECK-LABEL: vwsll_vx_i16_v4i64_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf4 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i16_v4i64_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf4 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i16> poison, i16 %b, i32 0
+  %splat = shufflevector <4 x i16> %head, <4 x i16> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i32> %a to <4 x i64>
+  %y = zext <4 x i16> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i8_v4i64_sext(<4 x i32> %a, i8 %b) {
+; CHECK-LABEL: vwsll_vx_i8_v4i64_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e8, mf4, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf8 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i8_v4i64_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e8, mf4, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf8 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i8> poison, i8 %b, i32 0
+  %splat = shufflevector <4 x i8> %head, <4 x i8> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i32> %a to <4 x i64>
+  %y = sext <4 x i8> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i8_v4i64_zext(<4 x i32> %a, i8 %b) {
+; CHECK-LABEL: vwsll_vx_i8_v4i64_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e8, mf4, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf8 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i8_v4i64_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e8, mf4, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf8 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i8> poison, i8 %b, i32 0
+  %splat = shufflevector <4 x i8> %head, <4 x i8> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i32> %a to <4 x i64>
+  %y = zext <4 x i8> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vi_v4i64(<4 x i32> %a) {
+; CHECK-LABEL: vwsll_vi_v4i64:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsll.vi v8, v10, 2
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vi_v4i64:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vi v8, v10, 2
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <4 x i32> %a to <4 x i64>
+  %z = shl <4 x i64> %x, splat (i64 2)
+  ret <4 x i64> %z
+}
+
+; ==============================================================================
+; i16 -> i32
+; ==============================================================================
+
+define <8 x i32> @vwsll_vv_v8i32_sext(<8 x i16> %a, <8 x i16> %b) {
+; CHECK-LABEL: vwsll_vv_v8i32_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vv_v8i32_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <8 x i16> %a to <8 x i32>
+  %y = sext <8 x i16> %b to <8 x i32>
+  %z = shl <8 x i32> %x, %y
+  ret <8 x i32> %z
+}
+
+define <8 x i32> @vwsll_vv_v8i32_zext(<8 x i16> %a, <8 x i16> %b) {
+; CHECK-LABEL: vwsll_vv_v8i32_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vv_v8i32_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <8 x i16> %a to <8 x i32>
+  %y = zext <8 x i16> %b to <8 x i32>
+  %z = shl <8 x i32> %x, %y
+  ret <8 x i32> %z
+}
+
+define <8 x i32> @vwsll_vx_i64_v8i32(<8 x i16> %a, i64 %b) {
+; CHECK-LABEL: vwsll_vx_i64_v8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsll.vx v8, v10, a0
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i64_v8i32:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vx v8, v10, a0
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <8 x i64> poison, i64 %b, i32 0
+  %splat = shufflevector <8 x i64> %head, <8 x i64> poison, <8 x i32> zeroinitializer
+  %x = zext <8 x i16> %a to <8 x i32>
+  %y = trunc <8 x i64> %splat to <8 x i32>
+  %z = shl <8 x i32> %x, %y
+  ret <8 x i32> %z
+}
+
+define <8 x i32> @vwsll_vx_i32_v8i32(<8 x i16> %a, i32 %b) {
+; CHECK-LABEL: vwsll_vx_i32_v8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsll.vx v8, v10, a0
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i32_v8i32:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vx v8, v10, a0
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <8 x i32> poison, i32 %b, i32 0
+  %splat = shufflevector <8 x i32> %head, <8 x i32> poison, <8 x i32> zeroinitializer
+  %x = zext <8 x i16> %a to <8 x i32>
+  %z = shl <8 x i32> %x, %splat
+  ret <8 x i32> %z
+}
+
+define <8 x i32> @vwsll_vx_i16_v8i32_sext(<8 x i16> %a, i16 %b) {
+; CHECK-LABEL: vwsll_vx_i16_v8i32_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i16_v8i32_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <8 x i16> poison, i16 %b, i32 0
+  %splat = shufflevector <8 x i16> %head, <8 x i16> poison, <8 x i32> zeroinitializer
+  %x = zext <8 x i16> %a to <8 x i32>
+  %y = sext <8 x i16> %splat to <8 x i32>
+  %z = shl <8 x i32> %x, %y
+  ret <8 x i32> %z
+}
+
+define <8 x i32> @vwsll_vx_i16_v8i32_zext(<8 x i16> %a, i16 %b) {
+; CHECK-LABEL: vwsll_vx_i16_v8i32_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i16_v8i32_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <8 x i16> poison, i16 %b, i32 0
+  %splat = shufflevector <8 x i16> %head, <8 x i16> poison, <8 x i32> zeroinitializer
+  %x = zext <8 x i16> %a to <8 x i32>
+  %y = zext <8 x i16> %splat to <8 x i32>
+  %z = shl <8 x i32> %x, %y
+  ret <8 x i32> %z
+}
+
+define <8 x i32> @vwsll_vx_i8_v8i32_sext(<8 x i16> %a, i8 %b) {
+; CHECK-LABEL: vwsll_vx_i8_v8i32_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e8, mf2, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf4 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i8_v8i32_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e8, mf2, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf4 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <8 x i8> poison, i8 %b, i32 0
+  %splat = shufflevector <8 x i8> %head, <8 x i8> poison, <8 x i32> zeroinitializer
+  %x = zext <8 x i16> %a to <8 x i32>
+  %y = sext <8 x i8> %splat to <8 x i32>
+  %z = shl <8 x i32> %x, %y
+  ret <8 x i32> %z
+}
+
+define <8 x i32> @vwsll_vx_i8_v8i32_zext(<8 x i16> %a, i8 %b) {
+; CHECK-LABEL: vwsll_vx_i8_v8i32_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e8, mf2, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf4 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i8_v8i32_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e8, mf2, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf4 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <8 x i8> poison, i8 %b, i32 0
+  %splat = shufflevector <8 x i8> %head, <8 x i8> poison, <8 x i32> zeroinitializer
+  %x = zext <8 x i16> %a to <8 x i32>
+  %y = zext <8 x i8> %splat to <8 x i32>
+  %z = shl <8 x i32> %x, %y
+  ret <8 x i32> %z
+}
+
+define <8 x i32> @vwsll_vi_v8i32(<8 x i16> %a) {
+; CHECK-LABEL: vwsll_vi_v8i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsll.vi v8, v10, 2
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vi_v8i32:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vi v8, v10, 2
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <8 x i16> %a to <8 x i32>
+  %z = shl <8 x i32> %x, splat (i32 2)
+  ret <8 x i32> %z
+}
+
+; ==============================================================================
+; i8 -> i16
+; ==============================================================================
+
+define <16 x i16> @vwsll_vv_v16i16_sext(<16 x i8> %a, <16 x i8> %b) {
+; CHECK-LABEL: vwsll_vv_v16i16_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vv_v16i16_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <16 x i8> %a to <16 x i16>
+  %y = sext <16 x i8> %b to <16 x i16>
+  %z = shl <16 x i16> %x, %y
+  ret <16 x i16> %z
+}
+
+define <16 x i16> @vwsll_vv_v16i16_zext(<16 x i8> %a, <16 x i8> %b) {
+; CHECK-LABEL: vwsll_vv_v16i16_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vv_v16i16_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <16 x i8> %a to <16 x i16>
+  %y = zext <16 x i8> %b to <16 x i16>
+  %z = shl <16 x i16> %x, %y
+  ret <16 x i16> %z
+}
+
+define <16 x i16> @vwsll_vx_i64_v16i16(<16 x i8> %a, i64 %b) {
+  %head = insertelement <8 x i64> poison, i64 %b, i32 0
+  %splat = shufflevector <8 x i64> %head, <8 x i64> poison, <16 x i32> zeroinitializer
+  %x = zext <16 x i8> %a to <16 x i16>
+  %y = trunc <16 x i64> %splat to <16 x i16>
+  %z = shl <16 x i16> %x, %y
+  ret <16 x i16> %z
+}
+
+define <16 x i16> @vwsll_vx_i32_v16i16(<16 x i8> %a, i32 %b) {
+; CHECK-LABEL: vwsll_vx_i32_v16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 16, e32, m4, ta, ma
+; CHECK-NEXT:    vmv.v.x v12, a0
+; CHECK-NEXT:    vsetvli zero, zero, e16, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vnsrl.wi v8, v12, 0
+; CHECK-NEXT:    vsll.vv v8, v10, v8
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i32_v16i16:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 16, e32, m4, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v12, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e16, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vnsrl.wi v8, v12, 0
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v8
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <16 x i32> poison, i32 %b, i32 0
+  %splat = shufflevector <16 x i32> %head, <16 x i32> poison, <16 x i32> zeroinitializer
+  %x = zext <16 x i8> %a to <16 x i16>
+  %y = trunc <16 x i32> %splat to <16 x i16>
+  %z = shl <16 x i16> %x, %y
+  ret <16 x i16> %z
+}
+
+define <16 x i16> @vwsll_vx_i16_v16i16(<16 x i8> %a, i16 %b) {
+; CHECK-LABEL: vwsll_vx_i16_v16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsll.vx v8, v10, a0
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i16_v16i16:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vx v8, v10, a0
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <16 x i16> poison, i16 %b, i32 0
+  %splat = shufflevector <16 x i16> %head, <16 x i16> poison, <16 x i32> zeroinitializer
+  %x = zext <16 x i8> %a to <16 x i16>
+  %z = shl <16 x i16> %x, %splat
+  ret <16 x i16> %z
+}
+
+define <16 x i16> @vwsll_vx_i8_v16i16_sext(<16 x i8> %a, i8 %b) {
+; CHECK-LABEL: vwsll_vx_i8_v16i16_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 16, e8, m1, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e16, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i8_v16i16_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 16, e8, m1, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e16, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <16 x i8> poison, i8 %b, i32 0
+  %splat = shufflevector <16 x i8> %head, <16 x i8> poison, <16 x i32> zeroinitializer
+  %x = zext <16 x i8> %a to <16 x i16>
+  %y = sext <16 x i8> %splat to <16 x i16>
+  %z = shl <16 x i16> %x, %y
+  ret <16 x i16> %z
+}
+
+define <16 x i16> @vwsll_vx_i8_v16i16_zext(<16 x i8> %a, i8 %b) {
+; CHECK-LABEL: vwsll_vx_i8_v16i16_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 16, e8, m1, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e16, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vzext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i8_v16i16_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 16, e8, m1, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e16, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <16 x i8> poison, i8 %b, i32 0
+  %splat = shufflevector <16 x i8> %head, <16 x i8> poison, <16 x i32> zeroinitializer
+  %x = zext <16 x i8> %a to <16 x i16>
+  %y = zext <16 x i8> %splat to <16 x i16>
+  %z = shl <16 x i16> %x, %y
+  ret <16 x i16> %z
+}
+
+define <16 x i16> @vwsll_vi_v16i16(<16 x i8> %a) {
+; CHECK-LABEL: vwsll_vi_v16i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
+; CHECK-NEXT:    vzext.vf2 v10, v8
+; CHECK-NEXT:    vsll.vi v8, v10, 2
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vi_v16i16:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf2 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vi v8, v10, 2
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <16 x i8> %a to <16 x i16>
+  %z = shl <16 x i16> %x, splat (i16 2)
+  ret <16 x i16> %z
+}
+
+; ==============================================================================
+; i8 -> i64
+; ==============================================================================
+
+define <4 x i64> @vwsll_vv_v4i64_v4i8_sext(<4 x i8> %a, <4 x i8> %b) {
+; CHECK-LABEL: vwsll_vv_v4i64_v4i8_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vsext.vf8 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vv_v4i64_v4i8_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf8 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <4 x i8> %a to <4 x i64>
+  %y = sext <4 x i8> %b to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vv_v4i64_v4i8_zext(<4 x i8> %a, <4 x i8> %b) {
+; CHECK-LABEL: vwsll_vv_v4i64_v4i8_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vzext.vf8 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vv_v4i64_v4i8_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf8 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <4 x i8> %a to <4 x i64>
+  %y = zext <4 x i8> %b to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i64_v4i64_v4i8(<4 x i8> %a, i64 %b) {
+; CHECK-LABEL: vwsll_vx_i64_v4i64_v4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vsll.vx v8, v10, a0
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i64_v4i64_v4i8:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vx v8, v10, a0
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i64> poison, i64 %b, i32 0
+  %splat = shufflevector <4 x i64> %head, <4 x i64> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i8> %a to <4 x i64>
+  %z = shl <4 x i64> %x, %splat
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i32_v4i64_v4i8_sext(<4 x i8> %a, i32 %b) {
+; CHECK-LABEL: vwsll_vx_i32_v4i64_v4i8_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vsext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i32_v4i64_v4i8_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i32> poison, i32 %b, i32 0
+  %splat = shufflevector <4 x i32> %head, <4 x i32> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i8> %a to <4 x i64>
+  %y = sext <4 x i32> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i32_v4i64_v4i8_zext(<4 x i8> %a, i32 %b) {
+; CHECK-LABEL: vwsll_vx_i32_v4i64_v4i8_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vzext.vf2 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i32_v4i64_v4i8_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf2 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i32> poison, i32 %b, i32 0
+  %splat = shufflevector <4 x i32> %head, <4 x i32> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i8> %a to <4 x i64>
+  %y = zext <4 x i32> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i16_v4i64_v4i8_sext(<4 x i8> %a, i16 %b) {
+; CHECK-LABEL: vwsll_vx_i16_v4i64_v4i8_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vsext.vf4 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i16_v4i64_v4i8_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf4 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i16> poison, i16 %b, i32 0
+  %splat = shufflevector <4 x i16> %head, <4 x i16> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i8> %a to <4 x i64>
+  %y = sext <4 x i16> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i16_v4i64_v4i8_zext(<4 x i8> %a, i16 %b) {
+; CHECK-LABEL: vwsll_vx_i16_v4i64_v4i8_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vzext.vf4 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i16_v4i64_v4i8_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf4 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i16> poison, i16 %b, i32 0
+  %splat = shufflevector <4 x i16> %head, <4 x i16> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i8> %a to <4 x i64>
+  %y = zext <4 x i16> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i8_v4i64_v4i8_sext(<4 x i8> %a, i8 %b) {
+; CHECK-LABEL: vwsll_vx_i8_v4i64_v4i8_sext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e8, mf4, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vsext.vf8 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i8_v4i64_v4i8_sext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e8, mf4, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vsext.vf8 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i8> poison, i8 %b, i32 0
+  %splat = shufflevector <4 x i8> %head, <4 x i8> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i8> %a to <4 x i64>
+  %y = sext <4 x i8> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vx_i8_v4i64_v4i8_zext(<4 x i8> %a, i8 %b) {
+; CHECK-LABEL: vwsll_vx_i8_v4i64_v4i8_zext:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e8, mf4, ta, ma
+; CHECK-NEXT:    vmv.v.x v9, a0
+; CHECK-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vzext.vf8 v12, v9
+; CHECK-NEXT:    vsll.vv v8, v10, v12
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vx_i8_v4i64_v4i8_zext:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e8, mf4, ta, ma
+; CHECK-ZVBB-NEXT:    vmv.v.x v9, a0
+; CHECK-ZVBB-NEXT:    vsetvli zero, zero, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vzext.vf8 v12, v9
+; CHECK-ZVBB-NEXT:    vsll.vv v8, v10, v12
+; CHECK-ZVBB-NEXT:    ret
+  %head = insertelement <4 x i8> poison, i8 %b, i32 0
+  %splat = shufflevector <4 x i8> %head, <4 x i8> poison, <4 x i32> zeroinitializer
+  %x = zext <4 x i8> %a to <4 x i64>
+  %y = zext <4 x i8> %splat to <4 x i64>
+  %z = shl <4 x i64> %x, %y
+  ret <4 x i64> %z
+}
+
+define <4 x i64> @vwsll_vi_v4i64_v4i8(<4 x i8> %a) {
+; CHECK-LABEL: vwsll_vi_v4i64_v4i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-NEXT:    vzext.vf8 v10, v8
+; CHECK-NEXT:    vsll.vi v8, v10, 2
+; CHECK-NEXT:    ret
+;
+; CHECK-ZVBB-LABEL: vwsll_vi_v4i64_v4i8:
+; CHECK-ZVBB:       # %bb.0:
+; CHECK-ZVBB-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
+; CHECK-ZVBB-NEXT:    vzext.vf8 v10, v8
+; CHECK-ZVBB-NEXT:    vsll.vi v8, v10, 2
+; CHECK-ZVBB-NEXT:    ret
+  %x = zext <4 x i8> %a to <4 x i64>
+  %z = shl <4 x i64> %x, splat (i64 2)
+  ret <4 x i64> %z
+}