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1; RUN: llc < %s -mtriple=thumbv7-elf -mattr=+neon -arm-atomic-cfg-tidy=0 | FileCheck %s
2; PR4789
3
4%bar = type { float, float, float }
5%baz = type { i32, [16 x %bar], [16 x float], [16 x i32], i8 }
6%foo = type { <4 x float> }
7%quux = type { i32 (...)**, %baz*, i32 }
8%quuz = type { %quux, i32, %bar, [128 x i8], [16 x %foo], %foo, %foo, %foo }
9
10declare <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8*, i32) nounwind readonly
11
12define void @aaa(%quuz* %this, i8* %block) {
13; CHECK-LABEL: aaa:
14; CHECK: bfc r4, #0, #4
15; CHECK: vst1.64 {{.*}}[{{.*}}:128]
16; CHECK: vld1.64 {{.*}}[{{.*}}:128]
17entry:
18  %aligned_vec = alloca <4 x float>, align 16
19  %"alloca point" = bitcast i32 0 to i32
20  %vecptr = bitcast <4 x float>* %aligned_vec to i8*
21  %0 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* %vecptr, i32 1) nounwind
22  store float 6.300000e+01, float* undef, align 4
23  %1 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind ; <<4 x float>> [#uses=1]
24  store float 0.000000e+00, float* undef, align 4
25  %2 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind ; <<4 x float>> [#uses=1]
26  %ld3 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
27  store float 0.000000e+00, float* undef, align 4
28  %ld4 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
29  store float 0.000000e+00, float* undef, align 4
30  %ld5 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
31  store float 0.000000e+00, float* undef, align 4
32  %ld6 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
33  store float 0.000000e+00, float* undef, align 4
34  %ld7 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
35  store float 0.000000e+00, float* undef, align 4
36  %ld8 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
37  store float 0.000000e+00, float* undef, align 4
38  %ld9 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
39  store float 0.000000e+00, float* undef, align 4
40  %ld10 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
41  store float 0.000000e+00, float* undef, align 4
42  %ld11 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
43  store float 0.000000e+00, float* undef, align 4
44  %ld12 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* undef, i32 1) nounwind
45  store float 0.000000e+00, float* undef, align 4
46  %val173 = load <4 x float>, <4 x float>* undef               ; <<4 x float>> [#uses=1]
47  br label %bb4
48
49bb4:                                              ; preds = %bb193, %entry
50  %besterror.0.2264 = phi <4 x float> [ undef, %entry ], [ %besterror.0.0, %bb193 ] ; <<4 x float>> [#uses=2]
51  %part0.0.0261 = phi <4 x float> [ zeroinitializer, %entry ], [ %23, %bb193 ] ; <<4 x float>> [#uses=2]
52  %3 = fmul <4 x float> zeroinitializer, %0       ; <<4 x float>> [#uses=2]
53  %4 = fadd <4 x float> %3, %part0.0.0261         ; <<4 x float>> [#uses=1]
54  %5 = shufflevector <4 x float> %3, <4 x float> undef, <2 x i32> <i32 2, i32 3> ; <<2 x float>> [#uses=1]
55  %6 = shufflevector <2 x float> %5, <2 x float> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x float>> [#uses=1]
56  %7 = fmul <4 x float> %1, undef                 ; <<4 x float>> [#uses=1]
57  %8 = fadd <4 x float> %7, <float 5.000000e-01, float 5.000000e-01, float 5.000000e-01, float 5.000000e-01> ; <<4 x float>> [#uses=1]
58  %9 = fptosi <4 x float> %8 to <4 x i32>         ; <<4 x i32>> [#uses=1]
59  %10 = sitofp <4 x i32> %9 to <4 x float>        ; <<4 x float>> [#uses=1]
60  %11 = fmul <4 x float> %10, %2                  ; <<4 x float>> [#uses=1]
61  %12 = fmul <4 x float> undef, %6                ; <<4 x float>> [#uses=1]
62  %13 = fmul <4 x float> %11, %4                  ; <<4 x float>> [#uses=1]
63  %14 = fsub <4 x float> %12, %13                 ; <<4 x float>> [#uses=1]
64  %15 = fsub <4 x float> %14, undef               ; <<4 x float>> [#uses=1]
65  %16 = fmul <4 x float> %15, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00> ; <<4 x float>> [#uses=1]
66  %17 = fadd <4 x float> %16, undef               ; <<4 x float>> [#uses=1]
67  %18 = fmul <4 x float> %17, %val173             ; <<4 x float>> [#uses=1]
68  %19 = shufflevector <4 x float> %18, <4 x float> undef, <2 x i32> <i32 2, i32 3> ; <<2 x float>> [#uses=1]
69  %20 = shufflevector <2 x float> %19, <2 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
70  %tmp1 = fadd <4 x float> %20, %ld3
71  %tmp2 = fadd <4 x float> %tmp1, %ld4
72  %tmp3 = fadd <4 x float> %tmp2, %ld5
73  %tmp4 = fadd <4 x float> %tmp3, %ld6
74  %tmp5 = fadd <4 x float> %tmp4, %ld7
75  %tmp6 = fadd <4 x float> %tmp5, %ld8
76  %tmp7 = fadd <4 x float> %tmp6, %ld9
77  %tmp8 = fadd <4 x float> %tmp7, %ld10
78  %tmp9 = fadd <4 x float> %tmp8, %ld11
79  %21 = fadd <4 x float> %tmp9, %ld12
80  %22 = fcmp ogt <4 x float> %besterror.0.2264, %21 ; <<4 x i1>> [#uses=0]
81  %tmp = extractelement <4 x i1> %22, i32 0
82  br i1 %tmp, label %bb193, label %bb186
83
84bb186:                                            ; preds = %bb4
85  br label %bb193
86
87bb193:                                            ; preds = %bb186, %bb4
88  %besterror.0.0 = phi <4 x float> [ %21, %bb186 ], [ %besterror.0.2264, %bb4 ] ; <<4 x float>> [#uses=1]
89  %23 = fadd <4 x float> %part0.0.0261, zeroinitializer ; <<4 x float>> [#uses=1]
90  br label %bb4
91}
92