|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc -mtriple=riscv32 -mattr=+v -target-abi=ilp32 \ | 
|  | ; RUN:     -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV32 | 
|  | ; RUN: llc -mtriple=riscv64 -mattr=+v -target-abi=lp64 \ | 
|  | ; RUN:     -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,RV64 | 
|  |  | 
|  | ; This tests a mix of vmacc and vmadd by using different operand orders to | 
|  | ; trigger commuting in TwoAddressInstructionPass. | 
|  |  | 
|  | define <vscale x 1 x i8> @vmadd_vv_nxv1i8(<vscale x 1 x i8> %va, <vscale x 1 x i8> %vb, <vscale x 1 x i8> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv1i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e8, mf8, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v9, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 1 x i8> %va, %vb | 
|  | %y = add <vscale x 1 x i8> %x, %vc | 
|  | ret <vscale x 1 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 1 x i8> @vmadd_vx_nxv1i8(<vscale x 1 x i8> %va, <vscale x 1 x i8> %vb, i8 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv1i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e8, mf8, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 1 x i8> poison, i8 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 1 x i8> %head, <vscale x 1 x i8> poison, <vscale x 1 x i32> zeroinitializer | 
|  | %x = mul <vscale x 1 x i8> %va, %splat | 
|  | %y = add <vscale x 1 x i8> %x, %vb | 
|  | ret <vscale x 1 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 2 x i8> @vmadd_vv_nxv2i8(<vscale x 2 x i8> %va, <vscale x 2 x i8> %vb, <vscale x 2 x i8> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv2i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e8, mf4, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v10, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 2 x i8> %va, %vc | 
|  | %y = add <vscale x 2 x i8> %x, %vb | 
|  | ret <vscale x 2 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 2 x i8> @vmadd_vx_nxv2i8(<vscale x 2 x i8> %va, <vscale x 2 x i8> %vb, i8 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv2i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e8, mf4, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 2 x i8> poison, i8 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 2 x i8> %head, <vscale x 2 x i8> poison, <vscale x 2 x i32> zeroinitializer | 
|  | %x = mul <vscale x 2 x i8> %vb, %splat | 
|  | %y = add <vscale x 2 x i8> %x, %va | 
|  | ret <vscale x 2 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i8> @vmadd_vv_nxv4i8(<vscale x 4 x i8> %va, <vscale x 4 x i8> %vb, <vscale x 4 x i8> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv4i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e8, mf2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v9, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 4 x i8> %vb, %va | 
|  | %y = add <vscale x 4 x i8> %x, %vc | 
|  | ret <vscale x 4 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i8> @vmadd_vx_nxv4i8(<vscale x 4 x i8> %va, <vscale x 4 x i8> %vb, i8 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv4i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e8, mf2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 4 x i8> poison, i8 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 4 x i8> %head, <vscale x 4 x i8> poison, <vscale x 4 x i32> zeroinitializer | 
|  | %x = mul <vscale x 4 x i8> %va, %splat | 
|  | %y = add <vscale x 4 x i8> %x, %vb | 
|  | ret <vscale x 4 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 8 x i8> @vmadd_vv_nxv8i8(<vscale x 8 x i8> %va, <vscale x 8 x i8> %vb, <vscale x 8 x i8> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv8i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e8, m1, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vv v8, v10, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 8 x i8> %vb, %vc | 
|  | %y = add <vscale x 8 x i8> %x, %va | 
|  | ret <vscale x 8 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 8 x i8> @vmadd_vx_nxv8i8(<vscale x 8 x i8> %va, <vscale x 8 x i8> %vb, i8 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv8i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e8, m1, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 8 x i8> poison, i8 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 8 x i8> %head, <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer | 
|  | %x = mul <vscale x 8 x i8> %vb, %splat | 
|  | %y = add <vscale x 8 x i8> %x, %va | 
|  | ret <vscale x 8 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 16 x i8> @vmadd_vv_nxv16i8(<vscale x 16 x i8> %va, <vscale x 16 x i8> %vb, <vscale x 16 x i8> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv16i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e8, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v12, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 16 x i8> %vc, %va | 
|  | %y = add <vscale x 16 x i8> %x, %vb | 
|  | ret <vscale x 16 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 16 x i8> @vmadd_vx_nxv16i8(<vscale x 16 x i8> %va, <vscale x 16 x i8> %vb, i8 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv16i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e8, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 16 x i8> poison, i8 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 16 x i8> %head, <vscale x 16 x i8> poison, <vscale x 16 x i32> zeroinitializer | 
|  | %x = mul <vscale x 16 x i8> %va, %splat | 
|  | %y = add <vscale x 16 x i8> %x, %vb | 
|  | ret <vscale x 16 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 32 x i8> @vmadd_vv_nxv32i8(<vscale x 32 x i8> %va, <vscale x 32 x i8> %vb, <vscale x 32 x i8> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv32i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e8, m4, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vv v8, v16, v12 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 32 x i8> %vc, %vb | 
|  | %y = add <vscale x 32 x i8> %x, %va | 
|  | ret <vscale x 32 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 32 x i8> @vmadd_vx_nxv32i8(<vscale x 32 x i8> %va, <vscale x 32 x i8> %vb, i8 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv32i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e8, m4, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v12 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 32 x i8> poison, i8 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 32 x i8> %head, <vscale x 32 x i8> poison, <vscale x 32 x i32> zeroinitializer | 
|  | %x = mul <vscale x 32 x i8> %vb, %splat | 
|  | %y = add <vscale x 32 x i8> %x, %va | 
|  | ret <vscale x 32 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 64 x i8> @vmadd_vv_nxv64i8(<vscale x 64 x i8> %va, <vscale x 64 x i8> %vb, <vscale x 64 x i8> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv64i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vl8r.v v24, (a0) | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e8, m8, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vv v8, v16, v24 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 64 x i8> %vc, %vb | 
|  | %y = add <vscale x 64 x i8> %x, %va | 
|  | ret <vscale x 64 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 64 x i8> @vmadd_vx_nxv64i8(<vscale x 64 x i8> %va, <vscale x 64 x i8> %vb, i8 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv64i8: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e8, m8, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v16 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 64 x i8> poison, i8 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 64 x i8> %head, <vscale x 64 x i8> poison, <vscale x 64 x i32> zeroinitializer | 
|  | %x = mul <vscale x 64 x i8> %vb, %splat | 
|  | %y = add <vscale x 64 x i8> %x, %va | 
|  | ret <vscale x 64 x i8> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 1 x i16> @vmadd_vv_nxv1i16(<vscale x 1 x i16> %va, <vscale x 1 x i16> %vb, <vscale x 1 x i16> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv1i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e16, mf4, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v9, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 1 x i16> %va, %vb | 
|  | %y = add <vscale x 1 x i16> %x, %vc | 
|  | ret <vscale x 1 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 1 x i16> @vmadd_vx_nxv1i16(<vscale x 1 x i16> %va, <vscale x 1 x i16> %vb, i16 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv1i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e16, mf4, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 1 x i16> poison, i16 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 1 x i16> %head, <vscale x 1 x i16> poison, <vscale x 1 x i32> zeroinitializer | 
|  | %x = mul <vscale x 1 x i16> %va, %splat | 
|  | %y = add <vscale x 1 x i16> %x, %vb | 
|  | ret <vscale x 1 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 2 x i16> @vmadd_vv_nxv2i16(<vscale x 2 x i16> %va, <vscale x 2 x i16> %vb, <vscale x 2 x i16> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv2i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e16, mf2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v10, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 2 x i16> %va, %vc | 
|  | %y = add <vscale x 2 x i16> %x, %vb | 
|  | ret <vscale x 2 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 2 x i16> @vmadd_vx_nxv2i16(<vscale x 2 x i16> %va, <vscale x 2 x i16> %vb, i16 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv2i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e16, mf2, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 2 x i16> poison, i16 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 2 x i16> %head, <vscale x 2 x i16> poison, <vscale x 2 x i32> zeroinitializer | 
|  | %x = mul <vscale x 2 x i16> %vb, %splat | 
|  | %y = add <vscale x 2 x i16> %x, %va | 
|  | ret <vscale x 2 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i16> @vmadd_vv_nxv4i16(<vscale x 4 x i16> %va, <vscale x 4 x i16> %vb, <vscale x 4 x i16> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv4i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e16, m1, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v9, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 4 x i16> %vb, %va | 
|  | %y = add <vscale x 4 x i16> %x, %vc | 
|  | ret <vscale x 4 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i16> @vmadd_vx_nxv4i16(<vscale x 4 x i16> %va, <vscale x 4 x i16> %vb, i16 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv4i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e16, m1, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 4 x i16> poison, i16 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 4 x i16> %head, <vscale x 4 x i16> poison, <vscale x 4 x i32> zeroinitializer | 
|  | %x = mul <vscale x 4 x i16> %va, %splat | 
|  | %y = add <vscale x 4 x i16> %x, %vb | 
|  | ret <vscale x 4 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 8 x i16> @vmadd_vv_nxv8i16(<vscale x 8 x i16> %va, <vscale x 8 x i16> %vb, <vscale x 8 x i16> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv8i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e16, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vv v8, v12, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 8 x i16> %vb, %vc | 
|  | %y = add <vscale x 8 x i16> %x, %va | 
|  | ret <vscale x 8 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 8 x i16> @vmadd_vx_nxv8i16(<vscale x 8 x i16> %va, <vscale x 8 x i16> %vb, i16 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv8i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e16, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 8 x i16> poison, i16 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 8 x i16> %head, <vscale x 8 x i16> poison, <vscale x 8 x i32> zeroinitializer | 
|  | %x = mul <vscale x 8 x i16> %vb, %splat | 
|  | %y = add <vscale x 8 x i16> %x, %va | 
|  | ret <vscale x 8 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 16 x i16> @vmadd_vv_nxv16i16(<vscale x 16 x i16> %va, <vscale x 16 x i16> %vb, <vscale x 16 x i16> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv16i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e16, m4, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v16, v12 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 16 x i16> %vc, %va | 
|  | %y = add <vscale x 16 x i16> %x, %vb | 
|  | ret <vscale x 16 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 16 x i16> @vmadd_vx_nxv16i16(<vscale x 16 x i16> %va, <vscale x 16 x i16> %vb, i16 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv16i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e16, m4, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v12 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 16 x i16> poison, i16 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 16 x i16> %head, <vscale x 16 x i16> poison, <vscale x 16 x i32> zeroinitializer | 
|  | %x = mul <vscale x 16 x i16> %va, %splat | 
|  | %y = add <vscale x 16 x i16> %x, %vb | 
|  | ret <vscale x 16 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 32 x i16> @vmadd_vv_nxv32i16(<vscale x 32 x i16> %va, <vscale x 32 x i16> %vb, <vscale x 32 x i16> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv32i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vl8re16.v v24, (a0) | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e16, m8, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vv v8, v16, v24 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 32 x i16> %vc, %vb | 
|  | %y = add <vscale x 32 x i16> %x, %va | 
|  | ret <vscale x 32 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 32 x i16> @vmadd_vx_nxv32i16(<vscale x 32 x i16> %va, <vscale x 32 x i16> %vb, i16 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv32i16: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e16, m8, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v16 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 32 x i16> poison, i16 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 32 x i16> %head, <vscale x 32 x i16> poison, <vscale x 32 x i32> zeroinitializer | 
|  | %x = mul <vscale x 32 x i16> %vb, %splat | 
|  | %y = add <vscale x 32 x i16> %x, %va | 
|  | ret <vscale x 32 x i16> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 1 x i32> @vmadd_vv_nxv1i32(<vscale x 1 x i32> %va, <vscale x 1 x i32> %vb, <vscale x 1 x i32> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv1i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e32, mf2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v9, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 1 x i32> %va, %vb | 
|  | %y = add <vscale x 1 x i32> %x, %vc | 
|  | ret <vscale x 1 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 1 x i32> @vmadd_vx_nxv1i32(<vscale x 1 x i32> %va, <vscale x 1 x i32> %vb, i32 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv1i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e32, mf2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 1 x i32> poison, i32 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 1 x i32> %head, <vscale x 1 x i32> poison, <vscale x 1 x i32> zeroinitializer | 
|  | %x = mul <vscale x 1 x i32> %va, %splat | 
|  | %y = add <vscale x 1 x i32> %x, %vb | 
|  | ret <vscale x 1 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 2 x i32> @vmadd_vv_nxv2i32(<vscale x 2 x i32> %va, <vscale x 2 x i32> %vb, <vscale x 2 x i32> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv2i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e32, m1, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v10, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 2 x i32> %va, %vc | 
|  | %y = add <vscale x 2 x i32> %x, %vb | 
|  | ret <vscale x 2 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 2 x i32> @vmadd_vx_nxv2i32(<vscale x 2 x i32> %va, <vscale x 2 x i32> %vb, i32 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv2i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e32, m1, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v9 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 2 x i32> poison, i32 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 2 x i32> %head, <vscale x 2 x i32> poison, <vscale x 2 x i32> zeroinitializer | 
|  | %x = mul <vscale x 2 x i32> %vb, %splat | 
|  | %y = add <vscale x 2 x i32> %x, %va | 
|  | ret <vscale x 2 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i32> @vmadd_vv_nxv4i32(<vscale x 4 x i32> %va, <vscale x 4 x i32> %vb, <vscale x 4 x i32> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv4i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v10, v12 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 4 x i32> %vb, %va | 
|  | %y = add <vscale x 4 x i32> %x, %vc | 
|  | ret <vscale x 4 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i32> @vmadd_vx_nxv4i32(<vscale x 4 x i32> %va, <vscale x 4 x i32> %vb, i32 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv4i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e32, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 4 x i32> poison, i32 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 4 x i32> %head, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer | 
|  | %x = mul <vscale x 4 x i32> %va, %splat | 
|  | %y = add <vscale x 4 x i32> %x, %vb | 
|  | ret <vscale x 4 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 8 x i32> @vmadd_vv_nxv8i32(<vscale x 8 x i32> %va, <vscale x 8 x i32> %vb, <vscale x 8 x i32> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv8i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e32, m4, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vv v8, v16, v12 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 8 x i32> %vb, %vc | 
|  | %y = add <vscale x 8 x i32> %x, %va | 
|  | ret <vscale x 8 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 8 x i32> @vmadd_vx_nxv8i32(<vscale x 8 x i32> %va, <vscale x 8 x i32> %vb, i32 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv8i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e32, m4, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vx v8, a0, v12 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 8 x i32> poison, i32 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 8 x i32> %head, <vscale x 8 x i32> poison, <vscale x 8 x i32> zeroinitializer | 
|  | %x = mul <vscale x 8 x i32> %vb, %splat | 
|  | %y = add <vscale x 8 x i32> %x, %va | 
|  | ret <vscale x 8 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 16 x i32> @vmadd_vv_nxv16i32(<vscale x 16 x i32> %va, <vscale x 16 x i32> %vb, <vscale x 16 x i32> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv16i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vl8re32.v v24, (a0) | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e32, m8, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v24, v16 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 16 x i32> %vc, %va | 
|  | %y = add <vscale x 16 x i32> %x, %vb | 
|  | ret <vscale x 16 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 16 x i32> @vmadd_vx_nxv16i32(<vscale x 16 x i32> %va, <vscale x 16 x i32> %vb, i32 %c) { | 
|  | ; CHECK-LABEL: vmadd_vx_nxv16i32: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a1, zero, e32, m8, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vx v8, a0, v16 | 
|  | ; CHECK-NEXT:    ret | 
|  | %head = insertelement <vscale x 16 x i32> poison, i32 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 16 x i32> %head, <vscale x 16 x i32> poison, <vscale x 16 x i32> zeroinitializer | 
|  | %x = mul <vscale x 16 x i32> %va, %splat | 
|  | %y = add <vscale x 16 x i32> %x, %vb | 
|  | ret <vscale x 16 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 1 x i64> @vmadd_vv_nxv1i64(<vscale x 1 x i64> %va, <vscale x 1 x i64> %vb, <vscale x 1 x i64> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv1i64: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e64, m1, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v9, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 1 x i64> %va, %vb | 
|  | %y = add <vscale x 1 x i64> %x, %vc | 
|  | ret <vscale x 1 x i64> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 1 x i64> @vmadd_vx_nxv1i64(<vscale x 1 x i64> %va, <vscale x 1 x i64> %vb, i64 %c) { | 
|  | ; RV32-LABEL: vmadd_vx_nxv1i64: | 
|  | ; RV32:       # %bb.0: | 
|  | ; RV32-NEXT:    addi sp, sp, -16 | 
|  | ; RV32-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; RV32-NEXT:    sw a0, 8(sp) | 
|  | ; RV32-NEXT:    sw a1, 12(sp) | 
|  | ; RV32-NEXT:    addi a0, sp, 8 | 
|  | ; RV32-NEXT:    vsetvli a1, zero, e64, m1, ta, ma | 
|  | ; RV32-NEXT:    vlse64.v v10, (a0), zero | 
|  | ; RV32-NEXT:    vmadd.vv v8, v10, v9 | 
|  | ; RV32-NEXT:    addi sp, sp, 16 | 
|  | ; RV32-NEXT:    .cfi_def_cfa_offset 0 | 
|  | ; RV32-NEXT:    ret | 
|  | ; | 
|  | ; RV64-LABEL: vmadd_vx_nxv1i64: | 
|  | ; RV64:       # %bb.0: | 
|  | ; RV64-NEXT:    vsetvli a1, zero, e64, m1, ta, ma | 
|  | ; RV64-NEXT:    vmadd.vx v8, a0, v9 | 
|  | ; RV64-NEXT:    ret | 
|  | %head = insertelement <vscale x 1 x i64> poison, i64 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 1 x i64> %head, <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer | 
|  | %x = mul <vscale x 1 x i64> %va, %splat | 
|  | %y = add <vscale x 1 x i64> %x, %vb | 
|  | ret <vscale x 1 x i64> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 2 x i64> @vmadd_vv_nxv2i64(<vscale x 2 x i64> %va, <vscale x 2 x i64> %vb, <vscale x 2 x i64> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv2i64: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e64, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v12, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 2 x i64> %va, %vc | 
|  | %y = add <vscale x 2 x i64> %x, %vb | 
|  | ret <vscale x 2 x i64> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 2 x i64> @vmadd_vx_nxv2i64(<vscale x 2 x i64> %va, <vscale x 2 x i64> %vb, i64 %c) { | 
|  | ; RV32-LABEL: vmadd_vx_nxv2i64: | 
|  | ; RV32:       # %bb.0: | 
|  | ; RV32-NEXT:    addi sp, sp, -16 | 
|  | ; RV32-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; RV32-NEXT:    sw a0, 8(sp) | 
|  | ; RV32-NEXT:    sw a1, 12(sp) | 
|  | ; RV32-NEXT:    addi a0, sp, 8 | 
|  | ; RV32-NEXT:    vsetvli a1, zero, e64, m2, ta, ma | 
|  | ; RV32-NEXT:    vlse64.v v12, (a0), zero | 
|  | ; RV32-NEXT:    vmacc.vv v8, v10, v12 | 
|  | ; RV32-NEXT:    addi sp, sp, 16 | 
|  | ; RV32-NEXT:    .cfi_def_cfa_offset 0 | 
|  | ; RV32-NEXT:    ret | 
|  | ; | 
|  | ; RV64-LABEL: vmadd_vx_nxv2i64: | 
|  | ; RV64:       # %bb.0: | 
|  | ; RV64-NEXT:    vsetvli a1, zero, e64, m2, ta, ma | 
|  | ; RV64-NEXT:    vmacc.vx v8, a0, v10 | 
|  | ; RV64-NEXT:    ret | 
|  | %head = insertelement <vscale x 2 x i64> poison, i64 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 2 x i64> %head, <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer | 
|  | %x = mul <vscale x 2 x i64> %vb, %splat | 
|  | %y = add <vscale x 2 x i64> %x, %va | 
|  | ret <vscale x 2 x i64> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i64> @vmadd_vv_nxv4i64(<vscale x 4 x i64> %va, <vscale x 4 x i64> %vb, <vscale x 4 x i64> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv4i64: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e64, m4, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v12, v16 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 4 x i64> %vb, %va | 
|  | %y = add <vscale x 4 x i64> %x, %vc | 
|  | ret <vscale x 4 x i64> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i64> @vmadd_vx_nxv4i64(<vscale x 4 x i64> %va, <vscale x 4 x i64> %vb, i64 %c) { | 
|  | ; RV32-LABEL: vmadd_vx_nxv4i64: | 
|  | ; RV32:       # %bb.0: | 
|  | ; RV32-NEXT:    addi sp, sp, -16 | 
|  | ; RV32-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; RV32-NEXT:    sw a0, 8(sp) | 
|  | ; RV32-NEXT:    sw a1, 12(sp) | 
|  | ; RV32-NEXT:    addi a0, sp, 8 | 
|  | ; RV32-NEXT:    vsetvli a1, zero, e64, m4, ta, ma | 
|  | ; RV32-NEXT:    vlse64.v v16, (a0), zero | 
|  | ; RV32-NEXT:    vmadd.vv v8, v16, v12 | 
|  | ; RV32-NEXT:    addi sp, sp, 16 | 
|  | ; RV32-NEXT:    .cfi_def_cfa_offset 0 | 
|  | ; RV32-NEXT:    ret | 
|  | ; | 
|  | ; RV64-LABEL: vmadd_vx_nxv4i64: | 
|  | ; RV64:       # %bb.0: | 
|  | ; RV64-NEXT:    vsetvli a1, zero, e64, m4, ta, ma | 
|  | ; RV64-NEXT:    vmadd.vx v8, a0, v12 | 
|  | ; RV64-NEXT:    ret | 
|  | %head = insertelement <vscale x 4 x i64> poison, i64 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 4 x i64> %head, <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer | 
|  | %x = mul <vscale x 4 x i64> %va, %splat | 
|  | %y = add <vscale x 4 x i64> %x, %vb | 
|  | ret <vscale x 4 x i64> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 8 x i64> @vmadd_vv_nxv8i64(<vscale x 8 x i64> %va, <vscale x 8 x i64> %vb, <vscale x 8 x i64> %vc) { | 
|  | ; CHECK-LABEL: vmadd_vv_nxv8i64: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vl8re64.v v24, (a0) | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e64, m8, ta, ma | 
|  | ; CHECK-NEXT:    vmacc.vv v8, v16, v24 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = mul <vscale x 8 x i64> %vb, %vc | 
|  | %y = add <vscale x 8 x i64> %x, %va | 
|  | ret <vscale x 8 x i64> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 8 x i64> @vmadd_vx_nxv8i64(<vscale x 8 x i64> %va, <vscale x 8 x i64> %vb, i64 %c) { | 
|  | ; RV32-LABEL: vmadd_vx_nxv8i64: | 
|  | ; RV32:       # %bb.0: | 
|  | ; RV32-NEXT:    addi sp, sp, -16 | 
|  | ; RV32-NEXT:    .cfi_def_cfa_offset 16 | 
|  | ; RV32-NEXT:    sw a0, 8(sp) | 
|  | ; RV32-NEXT:    sw a1, 12(sp) | 
|  | ; RV32-NEXT:    addi a0, sp, 8 | 
|  | ; RV32-NEXT:    vsetvli a1, zero, e64, m8, ta, ma | 
|  | ; RV32-NEXT:    vlse64.v v24, (a0), zero | 
|  | ; RV32-NEXT:    vmacc.vv v8, v16, v24 | 
|  | ; RV32-NEXT:    addi sp, sp, 16 | 
|  | ; RV32-NEXT:    .cfi_def_cfa_offset 0 | 
|  | ; RV32-NEXT:    ret | 
|  | ; | 
|  | ; RV64-LABEL: vmadd_vx_nxv8i64: | 
|  | ; RV64:       # %bb.0: | 
|  | ; RV64-NEXT:    vsetvli a1, zero, e64, m8, ta, ma | 
|  | ; RV64-NEXT:    vmacc.vx v8, a0, v16 | 
|  | ; RV64-NEXT:    ret | 
|  | %head = insertelement <vscale x 8 x i64> poison, i64 %c, i32 0 | 
|  | %splat = shufflevector <vscale x 8 x i64> %head, <vscale x 8 x i64> poison, <vscale x 8 x i32> zeroinitializer | 
|  | %x = mul <vscale x 8 x i64> %vb, %splat | 
|  | %y = add <vscale x 8 x i64> %x, %va | 
|  | ret <vscale x 8 x i64> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i32> @combine_mul_add_imm1(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b) { | 
|  | ; CHECK-LABEL: combine_mul_add_imm1: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v10, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = add <vscale x 4 x i32> %a, splat (i32 1) | 
|  | %y = mul <vscale x 4 x i32> %x, %b | 
|  | ret <vscale x 4 x i32> %y | 
|  | } | 
|  |  | 
|  | define <vscale x 4 x i32> @combine_mul_add_imm1_2(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b) { | 
|  | ; CHECK-LABEL: combine_mul_add_imm1_2: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma | 
|  | ; CHECK-NEXT:    vmadd.vv v8, v10, v10 | 
|  | ; CHECK-NEXT:    ret | 
|  | %x = add <vscale x 4 x i32> %a, splat (i32 1) | 
|  | %y = mul <vscale x 4 x i32> %b, %x | 
|  | ret <vscale x 4 x i32> %y | 
|  | } |