xref: /llvm-project/llvm/test/CodeGen/AArch64/regress-w29-reserved-with-fp.ll (revision 5ddce70ef0e5a641d7fea95e31fc5e2439cb98cb) 
1; RUN: llc -mtriple=aarch64-none-linux-gnu -frame-pointer=all < %s | FileCheck %s
2@var = global i32 0
3
4declare void @bar()
5
6define void @test_w29_reserved() {
7; CHECK-LABEL: test_w29_reserved:
8; CHECK: mov x29, sp
9
10  %val1 = load volatile i32, ptr @var
11  %val2 = load volatile i32, ptr @var
12  %val3 = load volatile i32, ptr @var
13  %val4 = load volatile i32, ptr @var
14  %val5 = load volatile i32, ptr @var
15  %val6 = load volatile i32, ptr @var
16  %val7 = load volatile i32, ptr @var
17  %val8 = load volatile i32, ptr @var
18  %val9 = load volatile i32, ptr @var
19
20; CHECK-NOT: ldr w29,
21
22  ; Call to prevent fp-elim that occurs regardless in leaf functions.
23  call void @bar()
24
25  store volatile i32 %val1,  ptr @var
26  store volatile i32 %val2,  ptr @var
27  store volatile i32 %val3,  ptr @var
28  store volatile i32 %val4,  ptr @var
29  store volatile i32 %val5,  ptr @var
30  store volatile i32 %val6,  ptr @var
31  store volatile i32 %val7,  ptr @var
32  store volatile i32 %val8,  ptr @var
33  store volatile i32 %val9,  ptr @var
34
35  ret void
36; CHECK: ret
37}
38