xref: /llvm-project/llvm/test/CodeGen/SystemZ/vec-args-07.ll (revision 0a76f7d9d8c1fc693568ed26420c47d92a6ba0e7) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; Test calling functions with multiple return values (LLVM ABI extension)
3;
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
5; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -mattr=soft-float \
6; RUN:   | FileCheck %s --check-prefix=SOFT-FLOAT
7
8; Up to eight vector return values fit into VRs.
9declare { <2 x double>, <2 x double>, <2 x double>, <2 x double>,
10          <2 x double>, <2 x double>, <2 x double>, <2 x double> } @bar1()
11
12define <2 x double> @f1() {
13; CHECK-LABEL: f1:
14; CHECK:       # %bb.0:
15; CHECK-NEXT:    stmg %r14, %r15, 112(%r15)
16; CHECK-NEXT:    .cfi_offset %r14, -48
17; CHECK-NEXT:    .cfi_offset %r15, -40
18; CHECK-NEXT:    aghi %r15, -160
19; CHECK-NEXT:    .cfi_def_cfa_offset 320
20; CHECK-NEXT:    brasl %r14, bar1@PLT
21; CHECK-NEXT:    vlr %v24, %v31
22; CHECK-NEXT:    lmg %r14, %r15, 272(%r15)
23; CHECK-NEXT:    br %r14
24;
25; SOFT-FLOAT-LABEL: f1:
26; SOFT-FLOAT:       # %bb.0:
27; SOFT-FLOAT-NEXT:    stmg %r14, %r15, 112(%r15)
28; SOFT-FLOAT-NEXT:    .cfi_offset %r14, -48
29; SOFT-FLOAT-NEXT:    .cfi_offset %r15, -40
30; SOFT-FLOAT-NEXT:    aghi %r15, -288
31; SOFT-FLOAT-NEXT:    .cfi_def_cfa_offset 448
32; SOFT-FLOAT-NEXT:    la %r2, 160(%r15)
33; SOFT-FLOAT-NEXT:    brasl %r14, bar1@PLT
34; SOFT-FLOAT-NEXT:    lg %r3, 280(%r15)
35; SOFT-FLOAT-NEXT:    lg %r2, 272(%r15)
36; SOFT-FLOAT-NEXT:    lmg %r14, %r15, 400(%r15)
37; SOFT-FLOAT-NEXT:    br %r14
38
39  %mret = call { <2 x double>, <2 x double>,
40                 <2 x double>, <2 x double>,
41                 <2 x double>, <2 x double>,
42                 <2 x double>, <2 x double> } @bar1()
43  %ret = extractvalue { <2 x double>, <2 x double>,
44                        <2 x double>, <2 x double>,
45                        <2 x double>, <2 x double>,
46                        <2 x double>, <2 x double> } %mret, 7
47  ret <2 x double> %ret
48}
49
50; More than eight vector return values use sret.
51declare { <2 x double>, <2 x double>, <2 x double>, <2 x double>,
52          <2 x double>, <2 x double>, <2 x double>, <2 x double>,
53          <2 x double> } @bar2()
54
55define <2 x double> @f2() {
56; CHECK-LABEL: f2:
57; CHECK:       # %bb.0:
58; CHECK-NEXT:    stmg %r14, %r15, 112(%r15)
59; CHECK-NEXT:    .cfi_offset %r14, -48
60; CHECK-NEXT:    .cfi_offset %r15, -40
61; CHECK-NEXT:    aghi %r15, -304
62; CHECK-NEXT:    .cfi_def_cfa_offset 464
63; CHECK-NEXT:    la %r2, 160(%r15)
64; CHECK-NEXT:    brasl %r14, bar2@PLT
65; CHECK-NEXT:    vl %v24, 288(%r15), 3
66; CHECK-NEXT:    lmg %r14, %r15, 416(%r15)
67; CHECK-NEXT:    br %r14
68;
69; SOFT-FLOAT-LABEL: f2:
70; SOFT-FLOAT:       # %bb.0:
71; SOFT-FLOAT-NEXT:    stmg %r14, %r15, 112(%r15)
72; SOFT-FLOAT-NEXT:    .cfi_offset %r14, -48
73; SOFT-FLOAT-NEXT:    .cfi_offset %r15, -40
74; SOFT-FLOAT-NEXT:    aghi %r15, -304
75; SOFT-FLOAT-NEXT:    .cfi_def_cfa_offset 464
76; SOFT-FLOAT-NEXT:    la %r2, 160(%r15)
77; SOFT-FLOAT-NEXT:    brasl %r14, bar2@PLT
78; SOFT-FLOAT-NEXT:    lg %r3, 296(%r15)
79; SOFT-FLOAT-NEXT:    lg %r2, 288(%r15)
80; SOFT-FLOAT-NEXT:    lmg %r14, %r15, 416(%r15)
81; SOFT-FLOAT-NEXT:    br %r14
82
83  %mret = call { <2 x double>, <2 x double>,
84                 <2 x double>, <2 x double>,
85                 <2 x double>, <2 x double>,
86                 <2 x double>, <2 x double>,
87                 <2 x double> } @bar2()
88  %ret = extractvalue { <2 x double>, <2 x double>,
89                        <2 x double>, <2 x double>,
90                        <2 x double>, <2 x double>,
91                        <2 x double>, <2 x double>,
92                        <2 x double> } %mret, 8
93  ret <2 x double> %ret
94}
95