1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=aarch64-apple-darwin -aarch64-cbz-offset-bits=3 < %s | FileCheck %s
3
4
5define void @split_block_no_fallthrough(i64 %val) #0 {
6; CHECK-LABEL: split_block_no_fallthrough:
7; CHECK:       ; %bb.0: ; %bb
8; CHECK-NEXT:    stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill
9; CHECK-NEXT:    cmn x0, #5 ; =5
10; CHECK-NEXT:    b.le LBB0_3
11; CHECK-NEXT:  ; %bb.1: ; %b3
12; CHECK-NEXT:    ldr w8, [x8]
13; CHECK-NEXT:    cbnz w8, LBB0_2
14; CHECK-NEXT:    b LBB0_4
15; CHECK-NEXT:  LBB0_2: ; %b8
16; CHECK-NEXT:    ldp x29, x30, [sp], #16 ; 16-byte Folded Reload
17; CHECK-NEXT:    ret
18; CHECK-NEXT:  LBB0_3: ; %b2
19; CHECK-NEXT:    mov w0, #93
20; CHECK-NEXT:    bl _extfunc
21; CHECK-NEXT:    cbnz w0, LBB0_2
22; CHECK-NEXT:  LBB0_4: ; %b7
23; CHECK-NEXT:    mov w0, #13
24; CHECK-NEXT:    ldp x29, x30, [sp], #16 ; 16-byte Folded Reload
25; CHECK-NEXT:    b _extfunc
26bb:
27  %c0 = icmp sgt i64 %val, -5
28  br i1 %c0, label %b3, label %b2
29
30b2:
31  %v0 = tail call i32 @extfunc(i32 93)
32  %c1 = icmp eq i32 %v0, 0
33  br i1 %c1, label %b7, label %b8
34
35b3:
36  %v1 = load volatile i32, i32* undef, align 4
37  %c2 = icmp eq i32 %v1, 0
38  br i1 %c2, label %b7, label %b8
39
40b7:
41  %tmp1 = tail call i32 @extfunc(i32 13)
42  ret void
43
44b8:
45  ret void
46}
47
48declare i32 @extfunc(i32) #0
49
50attributes #0 = { nounwind }
51