1; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
2; CHECK-NOT: if {{.*}} cmp{{.*}}jump
3
4%s.0 = type opaque
5%s.1 = type { i8*, i8*, %s.2*, i32, [0 x i8] }
6%s.2 = type opaque
7
8@g0 = private unnamed_addr constant [29 x i8] c"BUG: failure at %s:%d/%s()!\0A\00", align 1
9@g1 = private unnamed_addr constant [11 x i8] c"fs/namei.c\00", align 1
10@g2 = private unnamed_addr constant [8 x i8] c"putname\00", align 1
11@g3 = private unnamed_addr constant [5 x i8] c"BUG!\00", align 1
12@g4 = external global %s.0*, align 4
13
14; Function Attrs: nounwind
15define void @f0(%s.1* %a0) #0 {
16b0:
17  %v0 = alloca %s.1*, align 4
18  store %s.1* %a0, %s.1** %v0, align 4
19  br label %b1, !llvm.loop !0
20
21b1:                                               ; preds = %b0
22  %v1 = load %s.1*, %s.1** %v0, align 4
23  %v2 = getelementptr inbounds %s.1, %s.1* %v1, i32 0, i32 3
24  %v3 = load i32, i32* %v2, align 4
25  %v4 = icmp sle i32 %v3, 0
26  %v5 = xor i1 %v4, true
27  %v6 = xor i1 %v5, true
28  %v7 = zext i1 %v6 to i32
29  %v8 = call i32 @llvm.expect.i32(i32 %v7, i32 0)
30  %v9 = icmp ne i32 %v8, 0
31  br i1 %v9, label %b2, label %b5
32
33b2:                                               ; preds = %b1
34  br label %b3
35
36b3:                                               ; preds = %b2
37  %v10 = call i32 (i8*, ...) @f1(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @g0, i32 0, i32 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @g1, i32 0, i32 0), i32 246, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @g2, i32 0, i32 0))
38  call void (i8*, ...) @f2(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @g3, i32 0, i32 0))
39  unreachable
40
41b4:                                               ; No predecessors!
42  br label %b5
43
44b5:                                               ; preds = %b4, %b1
45  br label %b6
46
47b6:                                               ; preds = %b5
48  %v11 = load %s.1*, %s.1** %v0, align 4
49  %v12 = getelementptr inbounds %s.1, %s.1* %v11, i32 0, i32 3
50  %v13 = load i32, i32* %v12, align 4
51  %v14 = add i32 %v13, -1
52  store i32 %v14, i32* %v12, align 4
53  %v15 = icmp sgt i32 %v14, 0
54  br i1 %v15, label %b7, label %b8
55
56b7:                                               ; preds = %b6
57  br label %b11
58
59b8:                                               ; preds = %b6
60  %v16 = load %s.1*, %s.1** %v0, align 4
61  %v17 = getelementptr inbounds %s.1, %s.1* %v16, i32 0, i32 0
62  %v18 = load i8*, i8** %v17, align 4
63  %v19 = load %s.1*, %s.1** %v0, align 4
64  %v20 = getelementptr inbounds %s.1, %s.1* %v19, i32 0, i32 4
65  %v21 = getelementptr inbounds [0 x i8], [0 x i8]* %v20, i32 0, i32 0
66  %v22 = icmp ne i8* %v18, %v21
67  br i1 %v22, label %b9, label %b10
68
69b9:                                               ; preds = %b8
70  %v23 = load %s.0*, %s.0** @g4, align 4
71  %v24 = load %s.1*, %s.1** %v0, align 4
72  %v25 = getelementptr inbounds %s.1, %s.1* %v24, i32 0, i32 0
73  %v26 = load i8*, i8** %v25, align 4
74  call void @f3(%s.0* %v23, i8* %v26)
75  %v27 = load %s.1*, %s.1** %v0, align 4
76  %v28 = bitcast %s.1* %v27 to i8*
77  call void @f4(i8* %v28)
78  br label %b11
79
80b10:                                              ; preds = %b8
81  %v29 = load %s.0*, %s.0** @g4, align 4
82  %v30 = load %s.1*, %s.1** %v0, align 4
83  %v31 = bitcast %s.1* %v30 to i8*
84  call void @f3(%s.0* %v29, i8* %v31)
85  br label %b11
86
87b11:                                              ; preds = %b10, %b9, %b7
88  ret void
89}
90
91; Function Attrs: nounwind readnone
92declare i32 @llvm.expect.i32(i32, i32) #1
93
94; Function Attrs: nounwind
95declare i32 @f1(i8*, ...) #0
96
97; Function Attrs: noreturn
98declare void @f2(i8*, ...) #2
99
100; Function Attrs: nounwind
101declare void @f3(%s.0*, i8*) #0
102
103; Function Attrs: nounwind
104declare void @f4(i8*) #0
105
106attributes #0 = { nounwind }
107attributes #1 = { nounwind readnone }
108attributes #2 = { noreturn }
109
110!0 = distinct !{!0, !1}
111!1 = !{!"llvm.loop.threadify", i32 101214632}
112