xref: /llvm-project/llvm/test/CodeGen/AArch64/large-stack-cmp.ll (revision 6e54fccede402c9ed0e8038aa258a99c5a2773e5)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=arm64-apple-ios %s -o - | FileCheck %s
3
4define void @foo() {
5; CHECK-LABEL: foo:
6; CHECK:       ; %bb.0:
7; CHECK-NEXT:    stp x28, x27, [sp, #-32]! ; 16-byte Folded Spill
8; CHECK-NEXT:    stp x29, x30, [sp, #16] ; 16-byte Folded Spill
9; CHECK-NEXT:    sub sp, sp, #1, lsl #12 ; =4096
10; CHECK-NEXT:    sub sp, sp, #80
11; CHECK-NEXT:    .cfi_def_cfa_offset 4208
12; CHECK-NEXT:    .cfi_offset w30, -8
13; CHECK-NEXT:    .cfi_offset w29, -16
14; CHECK-NEXT:    .cfi_offset w27, -24
15; CHECK-NEXT:    .cfi_offset w28, -32
16; CHECK-NEXT:    adds x8, sp, #1, lsl #12 ; =4096
17; CHECK-NEXT:    cmn x8, #32
18; CHECK-NEXT:    b.eq LBB0_2
19; CHECK-NEXT:  ; %bb.1: ; %false
20; CHECK-NEXT:    bl _baz
21; CHECK-NEXT:    b LBB0_3
22; CHECK-NEXT:  LBB0_2: ; %true
23; CHECK-NEXT:    bl _bar
24; CHECK-NEXT:  LBB0_3: ; %common.ret
25; CHECK-NEXT:    add sp, sp, #1, lsl #12 ; =4096
26; CHECK-NEXT:    add sp, sp, #80
27; CHECK-NEXT:    ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
28; CHECK-NEXT:    ldp x28, x27, [sp], #32 ; 16-byte Folded Reload
29; CHECK-NEXT:    ret
30
31%var = alloca i32, i32 12
32  %var2 = alloca i32, i32 1030
33  %tst = icmp eq ptr %var, null
34  br i1 %tst, label %true, label %false
35
36true:
37  call void @bar()
38  ret void
39
40false:
41  call void @baz()
42  ret void
43}
44
45declare void @bar()
46declare void @baz()
47