xref: /llvm-project/llvm/test/CodeGen/SystemZ/zos-ada.ll (revision c17040599666c1f14906a899cabcf545c2c85744)
1; Test the setup of the environment area, or associated data area (ADA)
2;
3; RUN: llc < %s -mtriple=s390x-ibm-zos -mcpu=z10 | FileCheck %s
4
5; CHECK-LABEL: caller:
6; CHECK:         stmg 6,8,1872(4)
7; CHECK-NEXT:    aghi 4,-192
8; CHECK-NEXT:    lgr 8,5
9; CHECK-NEXT:    brasl 7,callee_internal@PLT
10; CHECK-NEXT:    bcr 0,3
11; CHECK-NEXT:    lg 6,8(8)
12; CHECK-NEXT:    lg 5,0(8)
13; CHECK-NEXT:    lgr 8,3
14; CHECK-NEXT:    basr 7,6
15; CHECK-NEXT:    bcr 0,0
16; CHECK-NEXT:    la 3,0(3,8)
17; CHECK-NEXT:    lmg 7,8,2072(4)
18; CHECK-NEXT:    aghi 4,192
19; CHECK-NEXT:    b 2(7)
20define i64 @caller() {
21  %r1 = call i64 () @callee_internal()
22  %r2 = call i64 () @callee_external()
23  %r3 = add i64 %r1, %r2
24  ret i64 %r3
25}
26
27define internal i64 @callee_internal() {
28  ret i64 10
29}
30
31declare i64 @callee_external()
32