xref: /llvm-project/llvm/test/CodeGen/RISCV/vector-tuple-zeroinitializer.ll (revision 109e4a147faa80aa0ef4da92da203dd6732ee415) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2; RUN: llc -mtriple=riscv32 -mattr=+v \
3; RUN:   -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK
4; RUN: llc -mtriple=riscv64 -mattr=+v \
5; RUN:   -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK
6
7define target("riscv.vector.tuple", <vscale x 16 x i8>, 2) @test_tuple_zero_power_of_2() {
8; CHECK-LABEL: test_tuple_zero_power_of_2:
9; CHECK:       # %bb.0: # %entry
10; CHECK-NEXT:    vsetvli a0, zero, e8, m2, ta, ma
11; CHECK-NEXT:    vmv.v.i v8, 0
12; CHECK-NEXT:    vmv.v.i v10, 0
13; CHECK-NEXT:    ret
14entry:
15  ret target("riscv.vector.tuple", <vscale x 16 x i8>, 2) zeroinitializer
16}
17
18define target("riscv.vector.tuple", <vscale x 16 x i8>, 3) @test_tuple_zero_non_power_of_2() {
19; CHECK-LABEL: test_tuple_zero_non_power_of_2:
20; CHECK:       # %bb.0: # %entry
21; CHECK-NEXT:    vsetvli a0, zero, e8, m2, ta, ma
22; CHECK-NEXT:    vmv.v.i v8, 0
23; CHECK-NEXT:    vmv.v.i v10, 0
24; CHECK-NEXT:    vmv.v.i v12, 0
25; CHECK-NEXT:    ret
26entry:
27  ret target("riscv.vector.tuple", <vscale x 16 x i8>, 3) zeroinitializer
28}
29
30define target("riscv.vector.tuple", <vscale x 16 x i8>, 2) @test_tuple_zero_insert1(<vscale x 4 x i32> %a) {
31; CHECK-LABEL: test_tuple_zero_insert1:
32; CHECK:       # %bb.0: # %entry
33; CHECK-NEXT:    vsetvli a0, zero, e8, m2, ta, ma
34; CHECK-NEXT:    vmv.v.i v10, 0
35; CHECK-NEXT:    ret
36entry:
37  %1 = call target("riscv.vector.tuple", <vscale x 16 x i8>, 2) @llvm.riscv.tuple.insert.triscv.vector.tuple_nxv16i8_2t.nxv4i32(target("riscv.vector.tuple", <vscale x 16 x i8>, 2) zeroinitializer, <vscale x 4 x i32> %a, i32 0)
38  ret target("riscv.vector.tuple", <vscale x 16 x i8>, 2) %1
39}
40
41define target("riscv.vector.tuple", <vscale x 16 x i8>, 2) @test_tuple_zero_insert2(<vscale x 4 x i32> %a) {
42; CHECK-LABEL: test_tuple_zero_insert2:
43; CHECK:       # %bb.0: # %entry
44; CHECK-NEXT:    vsetvli a0, zero, e8, m2, ta, ma
45; CHECK-NEXT:    vmv.v.i v6, 0
46; CHECK-NEXT:    vmv2r.v v10, v8
47; CHECK-NEXT:    vmv2r.v v8, v6
48; CHECK-NEXT:    ret
49entry:
50  %1 = call target("riscv.vector.tuple", <vscale x 16 x i8>, 2) @llvm.riscv.tuple.insert.triscv.vector.tuple_nxv16i8_2t.nxv4i32(target("riscv.vector.tuple", <vscale x 16 x i8>, 2) zeroinitializer, <vscale x 4 x i32> %a, i32 1)
51  ret target("riscv.vector.tuple", <vscale x 16 x i8>, 2) %1
52}
53