1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
3
4define void @t() nounwind ssp {
5; CHECK-LABEL: t:
6; CHECK:       ## %bb.0: ## %entry
7; CHECK-NEXT:    xorl %eax, %eax
8; CHECK-NEXT:    testb %al, %al
9; CHECK-NEXT:    jne LBB0_6
10; CHECK-NEXT:  ## %bb.1: ## %if.end.i
11; CHECK-NEXT:    xorl %eax, %eax
12; CHECK-NEXT:    testb %al, %al
13; CHECK-NEXT:    je LBB0_2
14; CHECK-NEXT:  LBB0_6: ## %return
15; CHECK-NEXT:    retq
16; CHECK-NEXT:  LBB0_2: ## %if.end
17; CHECK-NEXT:    movb $1, %al
18; CHECK-NEXT:    testb %al, %al
19; CHECK-NEXT:    xorl %eax, %eax
20; CHECK-NEXT:    testb %al, %al
21; CHECK-NEXT:    jne LBB0_5
22; CHECK-NEXT:  ## %bb.3: ## %cond.true190
23; CHECK-NEXT:    xorl %eax, %eax
24; CHECK-NEXT:    testb %al, %al
25; CHECK-NEXT:    jne LBB0_5
26; CHECK-NEXT:  ## %bb.4: ## %cond.true225
27; CHECK-NEXT:    xorl %eax, %eax
28; CHECK-NEXT:    testb %al, %al
29; CHECK-NEXT:  LBB0_5: ## %cond.false205
30; CHECK-NEXT:    ud2
31entry:
32  br i1 undef, label %return, label %if.end.i
33
34if.end.i:                                         ; preds = %entry
35  %tmp7.i = load i32, i32* undef, align 4
36  br i1 undef, label %return, label %if.end
37
38if.end:                                           ; preds = %if.end.i
39  %tmp138 = select i1 undef, i32 0, i32 %tmp7.i
40  %tmp867 = zext i32 %tmp138 to i64
41  br label %while.cond
42
43while.cond:                                       ; preds = %while.body, %if.end
44  %tmp869 = sub i64 %tmp867, 0
45  %scale2.0 = trunc i64 %tmp869 to i32
46  %cmp149 = icmp eq i32 %scale2.0, 0
47  br i1 %cmp149, label %while.end, label %land.rhs
48
49land.rhs:                                         ; preds = %while.cond
50  br i1 undef, label %while.body, label %while.end
51
52while.body:                                       ; preds = %land.rhs
53  br label %while.cond
54
55while.end:                                        ; preds = %land.rhs, %while.cond
56  br i1 undef, label %cond.false205, label %cond.true190
57
58cond.true190:                                     ; preds = %while.end
59  br i1 undef, label %cond.false242, label %cond.true225
60
61cond.false205:                                    ; preds = %while.end
62  unreachable
63
64cond.true225:                                     ; preds = %cond.true190
65  br i1 undef, label %cond.false280, label %cond.true271
66
67cond.false242:                                    ; preds = %cond.true190
68  unreachable
69
70cond.true271:                                     ; preds = %cond.true225
71  unreachable
72
73cond.false280:                                    ; preds = %cond.true225
74  unreachable
75
76return:                                           ; preds = %if.end.i, %entry
77  ret void
78}
79