xref: /llvm-project/llvm/test/CodeGen/Hexagon/save-kill-csr.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=hexagon < %s
2; REQUIRES: asserts
3
4target triple = "hexagon"
5
6%s.0 = type { i8, i8, i8, i8 }
7%s.1 = type { %s.2 }
8%s.2 = type { %s.3 }
9%s.3 = type { ptr }
10%s.4 = type { i8, i8, i16, i8 }
11%s.5 = type { i8, ptr }
12
13@g0 = external hidden global [3 x %s.0], align 8
14@g1 = external hidden global [3 x %s.0], align 8
15@g2 = external hidden global [3 x %s.0], align 8
16@g3 = external hidden global [3 x %s.0], align 8
17@g4 = external hidden global [3 x %s.0], align 8
18@g5 = external hidden global [3 x %s.0], align 8
19@g6 = external hidden global [4 x %s.0], align 8
20@g7 = external hidden global [3 x %s.0], align 8
21@g8 = external hidden global [3 x %s.0], align 8
22@g9 = external hidden global [3 x %s.0], align 8
23@g10 = external hidden global [4 x %s.0], align 8
24@g11 = external hidden global [3 x %s.0], align 8
25@g12 = external hidden global [3 x %s.0], align 8
26@g13 = external hidden global [4 x %s.0], align 8
27@g14 = external hidden global [3 x %s.0], align 8
28@g15 = external hidden global [3 x %s.0], align 8
29@g16 = external hidden global [3 x %s.0], align 8
30@g17 = external hidden global [4 x %s.0], align 8
31@g18 = external hidden global [3 x %s.0], align 8
32
33; Function Attrs: norecurse nounwind optsize ssp
34define hidden zeroext i8 @f0(ptr nocapture readnone %a0, ptr readonly %a1, ptr %a2, i32 %a3) unnamed_addr #0 align 2 {
35b0:
36  br i1 undef, label %b4, label %b1
37
38b1:                                               ; preds = %b0
39  %v0 = icmp eq i32 %a3, 1
40  %v1 = select i1 %v0, ptr @g18, ptr @g0
41  %v2 = icmp eq i32 %a3, 2
42  %v3 = select i1 %v2, ptr @g16, ptr %v1
43  %v4 = icmp eq i32 %a3, 3
44  %v5 = select i1 %v4, ptr @g15, ptr %v3
45  %v6 = icmp eq i32 %a3, 4
46  %v7 = select i1 %v6, ptr @g14, ptr %v5
47  %v8 = icmp eq i32 %a3, 5
48  %v9 = select i1 %v8, ptr @g12, ptr %v7
49  %v10 = icmp eq i32 %a3, 6
50  %v11 = select i1 %v10, ptr @g11, ptr %v9
51  %v12 = icmp eq i32 %a3, 7
52  %v13 = select i1 %v12, ptr @g9, ptr %v11
53  %v14 = icmp eq i32 %a3, 8
54  %v15 = select i1 %v14, ptr @g8, ptr %v13
55  %v16 = icmp eq i32 %a3, 9
56  %v17 = select i1 %v16, ptr @g7, ptr %v15
57  %v18 = icmp eq i32 %a3, 10
58  %v19 = select i1 %v18, ptr @g5, ptr %v17
59  %v20 = icmp eq i32 %a3, 11
60  %v21 = select i1 %v20, ptr @g4, ptr %v19
61  %v22 = icmp eq i32 %a3, 12
62  %v23 = select i1 %v22, ptr @g3, ptr %v21
63  %v24 = icmp eq i32 %a3, 13
64  %v25 = select i1 %v24, ptr @g2, ptr %v23
65  %v26 = select i1 undef, ptr @g1, ptr %v25
66  %v27 = select i1 undef, ptr @g17, ptr %v26
67  %v28 = icmp eq i32 %a3, 16
68  %v29 = select i1 %v28, ptr @g13, ptr %v27
69  %v30 = icmp eq i32 %a3, 17
70  %v31 = select i1 %v30, ptr null, ptr %v29
71  %v32 = select i1 undef, ptr @g10, ptr %v31
72  %v33 = select i1 undef, ptr @g6, ptr %v32
73  %v34 = add i32 %a3, -15
74  %v35 = icmp ult i32 %v34, 2
75  %v36 = select i1 %v35, i8 4, i8 3
76  %v37 = select i1 undef, i8 0, i8 %v36
77  %v38 = select i1 undef, i8 4, i8 %v37
78  br i1 undef, label %b2, label %b3
79
80b2:                                               ; preds = %b3, %b1
81  %v39 = phi ptr [ undef, %b3 ], [ %v33, %b1 ]
82  %v40 = phi i8 [ undef, %b3 ], [ %v38, %b1 ]
83  %v41 = getelementptr inbounds %s.5, ptr %a2, i32 0, i32 1
84  store ptr %v39, ptr %v41, align 4
85  store i8 %v40, ptr undef, align 4
86  br label %b4
87
88b3:                                               ; preds = %b1
89  br label %b2
90
91b4:                                               ; preds = %b2, %b0
92  ret i8 undef
93}
94
95attributes #0 = { norecurse nounwind optsize ssp "target-cpu"="hexagonv55" }
96