xref: /llvm-project/llvm/test/CodeGen/AArch64/aarch64-fastcc-stackup.ll (revision 6e54fccede402c9ed0e8038aa258a99c5a2773e5)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=aarch64-none-linux -O0 -tailcallopt < %s | FileCheck %s
3
4define void @bar() {
5; CHECK-LABEL: bar:
6; CHECK:       // %bb.0:
7; CHECK-NEXT:    ret
8  ret void
9}
10
11define fastcc i64 @foo(i64 %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i64 %8) {
12; CHECK-LABEL: foo:
13; CHECK:       // %bb.0:
14; CHECK-NEXT:    add sp, sp, #16
15; CHECK-NEXT:    ret
16  ret i64 %0
17}
18
19; https://github.com/llvm/llvm-project/issues/60972
20define fastcc i64 @baz() {
21; CHECK-LABEL: baz:
22; CHECK:       // %bb.0: // %entry
23; CHECK-NEXT:    sub sp, sp, #32
24; CHECK-NEXT:    str x30, [sp, #16] // 8-byte Folded Spill
25; CHECK-NEXT:    .cfi_def_cfa_offset 32
26; CHECK-NEXT:    .cfi_offset w30, -16
27; CHECK-NEXT:    mov x8, sp
28; CHECK-NEXT:    mov x7, xzr
29; CHECK-NEXT:    str xzr, [x8]
30; CHECK-NEXT:    mov x0, x7
31; CHECK-NEXT:    mov x1, x7
32; CHECK-NEXT:    mov x2, x7
33; CHECK-NEXT:    mov x3, x7
34; CHECK-NEXT:    mov x4, x7
35; CHECK-NEXT:    mov x5, x7
36; CHECK-NEXT:    mov x6, x7
37; CHECK-NEXT:    bl foo
38; CHECK-NEXT:    sub sp, sp, #16
39; CHECK-NEXT:    str x0, [sp, #8] // 8-byte Folded Spill
40; CHECK-NEXT:    bl bar
41; CHECK-NEXT:    ldr x0, [sp, #8] // 8-byte Folded Reload
42; CHECK-NEXT:    ldr x30, [sp, #16] // 8-byte Folded Reload
43; CHECK-NEXT:    add sp, sp, #32
44; CHECK-NEXT:    ret
45entry:
46  %0 = tail call fastcc i64 @foo(i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0)
47  call void @bar()
48  ret i64 %0
49}
50