xref: /llvm-project/llvm/test/CodeGen/RISCV/rvv/vl-opt-op-info.ll (revision 169c32eb49fa9b559d388b9b8f4374ff9e1be9be)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+zvl512b -verify-machineinstrs \
3; RUN:   -riscv-enable-vl-optimizer=false | FileCheck %s -check-prefixes=CHECK,NOVLOPT
4; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+zvl512b -verify-machineinstrs \
5; RUN:   -riscv-enable-vl-optimizer=false | FileCheck %s -check-prefixes=CHECK,NOVLOPT
6; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+zvl512b -riscv-enable-vl-optimizer \
7; RUN:   -verify-machineinstrs | FileCheck %s -check-prefixes=CHECK,VLOPT
8; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+zvl512b -riscv-enable-vl-optimizer \
9; RUN:   -verify-machineinstrs | FileCheck %s -check-prefixes=CHECK,VLOPT
10
11define <2 x i32> @vdot_lane_s32(<2 x i32> noundef %var_1, <8 x i8> noundef %var_3, <8 x i8> noundef %var_5, <8 x i16> %x) {
12; CHECK-LABEL: vdot_lane_s32:
13; CHECK:       # %bb.0: # %entry
14; CHECK-NEXT:    vsetivli zero, 4, e16, mf4, ta, ma
15; CHECK-NEXT:    vnsrl.wi v8, v11, 0
16; CHECK-NEXT:    vnsrl.wi v9, v11, 16
17; CHECK-NEXT:    li a0, 32
18; CHECK-NEXT:    vwadd.vv v10, v8, v9
19; CHECK-NEXT:    vsetivli zero, 2, e32, mf2, ta, ma
20; CHECK-NEXT:    vnsrl.wi v8, v10, 0
21; CHECK-NEXT:    vnsrl.wx v9, v10, a0
22; CHECK-NEXT:    vadd.vv v8, v8, v9
23; CHECK-NEXT:    ret
24entry:
25  %a = shufflevector <8 x i16> %x, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
26  %b = shufflevector <8 x i16> %x, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
27  %c = sext <4 x i16> %a to <4 x i32>
28  %d = sext <4 x i16> %b to <4 x i32>
29  %e = add nsw <4 x i32> %c, %d
30  %z10 = shufflevector <4 x i32> %e, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
31  %z11 = shufflevector <4 x i32> %e, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
32  %y12 = add <2 x i32> %z10, %z11
33  ret <2 x i32> %y12
34}
35
36declare <vscale x 2 x i16> @llvm.riscv.vnsrl.nxv2i16.nxv2i32.nxv2i16(
37  <vscale x 2 x i16>,
38  <vscale x 2 x i32>,
39  <vscale x 2 x i16>,
40  iXLen);
41
42define <vscale x 2 x i16> @intrinsic_vnsrl_wv_nxv2i16_nxv2i32_nxv2i16(<vscale x 2 x i16> %a, <vscale x 2 x i16> %b, iXLen %2, <vscale x 2 x i32> %3, <vscale x 2 x i32> %4, <vscale x 2 x i16> %z) nounwind {
43; NOVLOPT-LABEL: intrinsic_vnsrl_wv_nxv2i16_nxv2i32_nxv2i16:
44; NOVLOPT:       # %bb.0: # %entry
45; NOVLOPT-NEXT:    vsetvli a1, zero, e16, mf2, ta, ma
46; NOVLOPT-NEXT:    vwadd.vv v10, v8, v9
47; NOVLOPT-NEXT:    vsetvli zero, a0, e16, mf2, ta, ma
48; NOVLOPT-NEXT:    vnsrl.wv v8, v10, v12
49; NOVLOPT-NEXT:    ret
50;
51; VLOPT-LABEL: intrinsic_vnsrl_wv_nxv2i16_nxv2i32_nxv2i16:
52; VLOPT:       # %bb.0: # %entry
53; VLOPT-NEXT:    vsetvli zero, a0, e16, mf2, ta, ma
54; VLOPT-NEXT:    vwadd.vv v10, v8, v9
55; VLOPT-NEXT:    vnsrl.wv v8, v10, v12
56; VLOPT-NEXT:    ret
57entry:
58  %c = sext <vscale x 2 x i16> %a to <vscale x 2 x i32>
59  %d = sext <vscale x 2 x i16> %b to <vscale x 2 x i32>
60  %v1 = add <vscale x 2 x i32> %c, %d
61  %x = call <vscale x 2 x i16> @llvm.riscv.vnsrl.nxv2i16.nxv2i32.nxv2i16(
62    <vscale x 2 x i16> undef,
63    <vscale x 2 x i32> %v1,
64    <vscale x 2 x i16> %z,
65    iXLen %2)
66
67  ret <vscale x 2 x i16> %x
68}
69
70declare <vscale x 2 x i16> @llvm.riscv.vnclip.nxv2i16.nxv2i32.nxv2i16(
71  <vscale x 2 x i16>,
72  <vscale x 2 x i32>,
73  <vscale x 2 x i16>,
74  iXLen, iXLen);
75
76define <vscale x 2 x i16> @vnclip(<vscale x 2 x i16> %a, <vscale x 2 x i16> %b, iXLen %2, <vscale x 2 x i32> %3, <vscale x 2 x i32> %4, <vscale x 2 x i16> %z) nounwind {
77; NOVLOPT-LABEL: vnclip:
78; NOVLOPT:       # %bb.0: # %entry
79; NOVLOPT-NEXT:    vsetvli a1, zero, e16, mf2, ta, ma
80; NOVLOPT-NEXT:    vwadd.vv v10, v8, v9
81; NOVLOPT-NEXT:    csrwi vxrm, 0
82; NOVLOPT-NEXT:    vsetvli zero, a0, e16, mf2, ta, ma
83; NOVLOPT-NEXT:    vnclip.wv v8, v10, v12
84; NOVLOPT-NEXT:    ret
85;
86; VLOPT-LABEL: vnclip:
87; VLOPT:       # %bb.0: # %entry
88; VLOPT-NEXT:    vsetvli zero, a0, e16, mf2, ta, ma
89; VLOPT-NEXT:    vwadd.vv v10, v8, v9
90; VLOPT-NEXT:    csrwi vxrm, 0
91; VLOPT-NEXT:    vnclip.wv v8, v10, v12
92; VLOPT-NEXT:    ret
93entry:
94  %c = sext <vscale x 2 x i16> %a to <vscale x 2 x i32>
95  %d = sext <vscale x 2 x i16> %b to <vscale x 2 x i32>
96  %v1 = add <vscale x 2 x i32> %c, %d
97  %x = call <vscale x 2 x i16> @llvm.riscv.vnclip.nxv2i16.nxv2i32.nxv2i16(
98    <vscale x 2 x i16> undef,
99    <vscale x 2 x i32> %v1,
100    <vscale x 2 x i16> %z,
101    iXLen 0, iXLen %2)
102
103  ret <vscale x 2 x i16> %x
104}
105
106