xref: /llvm-project/llvm/test/CodeGen/SystemZ/zos-ada-relocations.ll (revision c17040599666c1f14906a899cabcf545c2c85744)
1; Test the ADA section in the assembly output for all cases.
2;
3; RUN: llc < %s -mtriple=s390x-ibm-zos | FileCheck %s
4
5; CHECK-LABEL: DoIt:
6; CHECK:    stmg    6,7,1840(4)
7; CHECK:    aghi    4,-224
8; CHECK:    lg  1,0(5)
9; CHECK:    lg  6,16(5)
10; CHECK:    lg  5,8(5)
11; CHECK:    stg 1,2264(4)
12; CHECK:    basr    7,6
13; CHECK:    bcr 0,0
14; CHECK:    lg  7,2072(4)
15; CHECK:    aghi    4,224
16; CHECK:    b   2(7)
17define hidden void @DoIt() {
18entry:
19  %F = alloca ptr, align 8
20  store ptr @DoFunc, ptr %F, align 8
21  %0 = load ptr, ptr %F, align 8
22  call void @Caller(ptr noundef %0)
23  ret void
24}
25declare void @DoFunc()
26declare void @Caller(ptr noundef)
27
28; CHECK-LABEL: get_i:
29; CHECK:    stmg    6,8,1872(4)
30; CHECK:    aghi    4,-192
31; CHECK:    lg  1,24(5)
32; CHECK:    lg  2,32(5)
33; CHECK:    lgf 1,0(1)
34; CHECK:    lg  6,48(5)
35; CHECK:    lg  5,40(5)
36; CHECK:    l   8,0(2)
37; CHECK:    basr    7,6
38; CHECK:    bcr 0,0
39; CHECK:    ar  3,8
40; CHECK:    lgfr    3,3
41; CHECK:    lmg 7,8,2072(4)
42; CHECK:    aghi    4,192
43; CHECK:    b   2(7)
44@i = external global i32, align 4
45@i2 = external global i32, align 4
46
47define signext i32 @get_i() {
48entry:
49  %0 = load i32, ptr @i, align 4
50  %1 = load i32, ptr @i2, align 4
51  %call = call signext i32 @callout(i32 signext %1)
52  %add = add nsw i32 %0, %call
53  ret i32 %add
54}
55
56declare signext i32 @callout(i32 signext)
57
58; CHECK:     .section    ".ada"
59; CHECK:  .set L#DoFunc@indirect0, DoFunc
60; CHECK:      .indirect_symbol   L#DoFunc@indirect0
61; CHECK:  .quad V(L#DoFunc@indirect0)          * Offset 0 pointer to function descriptor DoFunc
62; CHECK:  .quad R(Caller)                      * Offset 8 function descriptor of Caller
63; CHECK:  .quad V(Caller)
64; CHECK:  .quad A(i2)                           * Offset 24 pointer to data symbol i2
65; CHECK:  .quad A(i)                            * Offset 32 pointer to data symbol i
66; CHECK:  .quad R(callout)                      * Offset 40 function descriptor of callout
67; CHECK:  .quad V(callout)
68