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1; RUN: opt < %s -std-compile-opts | \
2; RUN:   llc -mtriple=thumbv7-apple-darwin10 -mattr=+neon | FileCheck %s
3
4define void @fred(i32 %three_by_three, i8* %in, double %dt1, i32 %x_size, i32 %y_size, i8* %bp) nounwind {
5entry:
6; -- The loop following the load should only use a single add-literation
7;    instruction.
8; CHECK: ldr.64
9; CHECK: adds r{{[0-9]+.*}}#1
10; CHECK-NOT: adds
11; CHECK: subsections_via_symbols
12
13
14  %three_by_three_addr = alloca i32               ; <i32*> [#uses=2]
15  %in_addr = alloca i8*                           ; <i8**> [#uses=2]
16  %dt_addr = alloca float                         ; <float*> [#uses=4]
17  %x_size_addr = alloca i32                       ; <i32*> [#uses=2]
18  %y_size_addr = alloca i32                       ; <i32*> [#uses=1]
19  %bp_addr = alloca i8*                           ; <i8**> [#uses=1]
20  %tmp_image = alloca i8*                         ; <i8**> [#uses=0]
21  %out = alloca i8*                               ; <i8**> [#uses=1]
22  %cp = alloca i8*                                ; <i8**> [#uses=0]
23  %dpt = alloca i8*                               ; <i8**> [#uses=4]
24  %dp = alloca i8*                                ; <i8**> [#uses=2]
25  %ip = alloca i8*                                ; <i8**> [#uses=0]
26  %centre = alloca i32                            ; <i32*> [#uses=0]
27  %tmp = alloca i32                               ; <i32*> [#uses=0]
28  %brightness = alloca i32                        ; <i32*> [#uses=0]
29  %area = alloca i32                              ; <i32*> [#uses=0]
30  %y = alloca i32                                 ; <i32*> [#uses=0]
31  %x = alloca i32                                 ; <i32*> [#uses=2]
32  %j = alloca i32                                 ; <i32*> [#uses=6]
33  %i = alloca i32                                 ; <i32*> [#uses=1]
34  %mask_size = alloca i32                         ; <i32*> [#uses=5]
35  %increment = alloca i32                         ; <i32*> [#uses=1]
36  %n_max = alloca i32                             ; <i32*> [#uses=4]
37  %temp = alloca float                            ; <float*> [#uses=1]
38  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
39  store i32 %three_by_three, i32* %three_by_three_addr
40  store i8* %in, i8** %in_addr
41  %dt = fptrunc double %dt1 to float              ; <float> [#uses=1]
42  store float %dt, float* %dt_addr
43  store i32 %x_size, i32* %x_size_addr
44  store i32 %y_size, i32* %y_size_addr
45  store i8* %bp, i8** %bp_addr
46  %0 = load i8** %in_addr, align 4                ; <i8*> [#uses=1]
47  store i8* %0, i8** %out, align 4
48  %1 = call  i32 (...)* @foo() nounwind ; <i32> [#uses=1]
49  store i32 %1, i32* %i, align 4
50  %2 = load i32* %three_by_three_addr, align 4    ; <i32> [#uses=1]
51  %3 = icmp eq i32 %2, 0                          ; <i1> [#uses=1]
52  br i1 %3, label %bb, label %bb2
53
54bb:                                               ; preds = %entry
55  %4 = load float* %dt_addr, align 4              ; <float> [#uses=1]
56  %5 = fpext float %4 to double                   ; <double> [#uses=1]
57  %6 = fmul double %5, 1.500000e+00               ; <double> [#uses=1]
58  %7 = fptosi double %6 to i32                    ; <i32> [#uses=1]
59  %8 = add nsw i32 %7, 1                          ; <i32> [#uses=1]
60  store i32 %8, i32* %mask_size, align 4
61  br label %bb3
62
63bb2:                                              ; preds = %entry
64  store i32 1, i32* %mask_size, align 4
65  br label %bb3
66
67bb3:                                              ; preds = %bb2, %bb
68  %9 = load i32* %mask_size, align 4              ; <i32> [#uses=1]
69  %10 = mul i32 %9, 2                             ; <i32> [#uses=1]
70  %11 = add nsw i32 %10, 1                        ; <i32> [#uses=1]
71  store i32 %11, i32* %n_max, align 4
72  %12 = load i32* %x_size_addr, align 4           ; <i32> [#uses=1]
73  %13 = load i32* %n_max, align 4                 ; <i32> [#uses=1]
74  %14 = sub i32 %12, %13                          ; <i32> [#uses=1]
75  store i32 %14, i32* %increment, align 4
76  %15 = load i32* %n_max, align 4                 ; <i32> [#uses=1]
77  %16 = load i32* %n_max, align 4                 ; <i32> [#uses=1]
78  %17 = mul i32 %15, %16                          ; <i32> [#uses=1]
79  %18 = call  noalias i8* @malloc(i32 %17) nounwind ; <i8*> [#uses=1]
80  store i8* %18, i8** %dp, align 4
81  %19 = load i8** %dp, align 4                    ; <i8*> [#uses=1]
82  store i8* %19, i8** %dpt, align 4
83  %20 = load float* %dt_addr, align 4             ; <float> [#uses=1]
84  %21 = load float* %dt_addr, align 4             ; <float> [#uses=1]
85  %22 = fmul float %20, %21                       ; <float> [#uses=1]
86  %23 = fsub float -0.000000e+00, %22             ; <float> [#uses=1]
87  store float %23, float* %temp, align 4
88  %24 = load i32* %mask_size, align 4             ; <i32> [#uses=1]
89  %25 = sub i32 0, %24                            ; <i32> [#uses=1]
90  store i32 %25, i32* %j, align 4
91  br label %bb5
92
93bb4:                                              ; preds = %bb5
94  %26 = load i32* %j, align 4                     ; <i32> [#uses=1]
95  %27 = load i32* %j, align 4                     ; <i32> [#uses=1]
96  %28 = mul i32 %26, %27                          ; <i32> [#uses=1]
97  %29 = sitofp i32 %28 to double                  ; <double> [#uses=1]
98  %30 = fmul double %29, 1.234000e+00             ; <double> [#uses=1]
99  %31 = fptosi double %30 to i32                  ; <i32> [#uses=1]
100  store i32 %31, i32* %x, align 4
101  %32 = load i32* %x, align 4                     ; <i32> [#uses=1]
102  %33 = trunc i32 %32 to i8                       ; <i8> [#uses=1]
103  %34 = load i8** %dpt, align 4                   ; <i8*> [#uses=1]
104  store i8 %33, i8* %34, align 1
105  %35 = load i8** %dpt, align 4                   ; <i8*> [#uses=1]
106  %36 = getelementptr inbounds i8* %35, i64 1     ; <i8*> [#uses=1]
107  store i8* %36, i8** %dpt, align 4
108  %37 = load i32* %j, align 4                     ; <i32> [#uses=1]
109  %38 = add nsw i32 %37, 1                        ; <i32> [#uses=1]
110  store i32 %38, i32* %j, align 4
111  br label %bb5
112
113bb5:                                              ; preds = %bb4, %bb3
114  %39 = load i32* %j, align 4                     ; <i32> [#uses=1]
115  %40 = load i32* %mask_size, align 4             ; <i32> [#uses=1]
116  %41 = icmp sle i32 %39, %40                     ; <i1> [#uses=1]
117  br i1 %41, label %bb4, label %bb6
118
119bb6:                                              ; preds = %bb5
120  br label %return
121
122return:                                           ; preds = %bb6
123  ret void
124}
125
126declare i32 @foo(...)
127
128declare noalias i8* @malloc(i32) nounwind
129