xref: /llvm-project/llvm/test/CodeGen/SystemZ/builtin-longjmp.ll (revision dc04d414df9c243bb90d7cfc683a632a2c032c62)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2; Test longjmp load from jmp_buf.
3; Frame pointer from Slot 1.
4; Jump address from Slot 2.
5; Backchain Value from Slot 3.
6; Stack Pointer from Slot 4.
7; Literal Pool Pointer from Slot 5.
8
9; RUN: llc < %s -verify-machineinstrs -mtriple=s390x-linux-gnu | FileCheck %s
10
11@buf = global [20 x ptr] zeroinitializer, align 8
12
13define void @foo() {
14; CHECK-LABEL: foo:
15; CHECK:       # %bb.0: # %entry
16; CHECK-NEXT:    stmg %r11, %r15, 88(%r15)
17; CHECK-NEXT:    .cfi_offset %r11, -72
18; CHECK-NEXT:    .cfi_offset %r13, -56
19; CHECK-NEXT:    .cfi_offset %r15, -40
20; CHECK-NEXT:    lgrl %r1, buf@GOT
21; CHECK-NEXT:    lg %r2, 8(%r1)
22; CHECK-NEXT:    lg %r11, 0(%r1)
23; CHECK-NEXT:    lg %r13, 32(%r1)
24; CHECK-NEXT:    lg %r15, 24(%r1)
25; CHECK-NEXT:    br %r2
26entry:
27  tail call void @llvm.eh.sjlj.longjmp(ptr nonnull @buf)
28  unreachable
29}
30
31define void @bar()  "backchain" {
32; CHECK-LABEL: bar:
33; CHECK:       # %bb.0: # %entry
34; CHECK-NEXT:    stmg %r11, %r15, 88(%r15)
35; CHECK-NEXT:    .cfi_offset %r11, -72
36; CHECK-NEXT:    .cfi_offset %r13, -56
37; CHECK-NEXT:    .cfi_offset %r15, -40
38; CHECK-NEXT:    lgrl %r1, buf@GOT
39; CHECK-NEXT:    lg %r2, 8(%r1)
40; CHECK-NEXT:    lg %r11, 0(%r1)
41; CHECK-NEXT:    lg %r13, 32(%r1)
42; CHECK-NEXT:    lg %r3, 16(%r1)
43; CHECK-NEXT:    lg %r15, 24(%r1)
44; CHECK-NEXT:    stg %r3, 0(%r15)
45; CHECK-NEXT:    br %r2
46entry:
47  tail call void @llvm.eh.sjlj.longjmp(ptr nonnull @buf)
48  unreachable
49}
50