1; RUN: llc -mattr=+neon < %s
2; PR4965
3target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
4target triple = "armv7-eabi"
5
6%struct.fr = type { [6 x %struct.pl] }
7%struct.obb = type { %"struct.m4", %"struct.p3" }
8%struct.pl = type { %"struct.p3" }
9%"struct.m4" = type { %"struct.p3", %"struct.p3", %"struct.p3", %"struct.p3" }
10%"struct.p3" = type { <4 x float> }
11
12declare <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float>, <2 x float>) nounwind readnone
13
14define arm_aapcs_vfpcc i8 @foo(%struct.fr* nocapture %this, %struct.obb* %box) nounwind {
15entry:
16  %val.i.i = load <4 x float>* undef              ; <<4 x float>> [#uses=1]
17  %val2.i.i = load <4 x float>* null              ; <<4 x float>> [#uses=1]
18  %elt3.i.i = getelementptr inbounds %struct.obb* %box, i32 0, i32 0, i32 2, i32 0 ; <<4 x float>*> [#uses=1]
19  %val4.i.i = load <4 x float>* %elt3.i.i         ; <<4 x float>> [#uses=1]
20  %0 = shufflevector <2 x float> undef, <2 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1]
21  %1 = fadd <4 x float> undef, zeroinitializer    ; <<4 x float>> [#uses=1]
22  br label %bb33
23
24bb:                                               ; preds = %bb33
25  %2 = fmul <4 x float> %val.i.i, undef           ; <<4 x float>> [#uses=1]
26  %3 = fmul <4 x float> %val2.i.i, undef          ; <<4 x float>> [#uses=1]
27  %4 = fadd <4 x float> %3, %2                    ; <<4 x float>> [#uses=1]
28  %5 = fmul <4 x float> %val4.i.i, undef          ; <<4 x float>> [#uses=1]
29  %6 = fadd <4 x float> %5, %4                    ; <<4 x float>> [#uses=1]
30  %7 = bitcast <4 x float> %6 to <4 x i32>        ; <<4 x i32>> [#uses=1]
31  %8 = and <4 x i32> %7, <i32 -2147483648, i32 -2147483648, i32 -2147483648, i32 -2147483648> ; <<4 x i32>> [#uses=1]
32  %9 = or <4 x i32> %8, undef                     ; <<4 x i32>> [#uses=1]
33  %10 = bitcast <4 x i32> %9 to <4 x float>       ; <<4 x float>> [#uses=1]
34  %11 = shufflevector <4 x float> %10, <4 x float> undef, <2 x i32> <i32 0, i32 1> ; <<2 x float>> [#uses=1]
35  %12 = shufflevector <2 x float> %11, <2 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
36  %13 = fmul <4 x float> undef, %12               ; <<4 x float>> [#uses=1]
37  %14 = fmul <4 x float> %0, undef                ; <<4 x float>> [#uses=1]
38  %15 = fadd <4 x float> %14, %13                 ; <<4 x float>> [#uses=1]
39  %16 = fadd <4 x float> undef, %15               ; <<4 x float>> [#uses=1]
40  %17 = fadd <4 x float> %1, %16                  ; <<4 x float>> [#uses=1]
41  %18 = fmul <4 x float> zeroinitializer, %17     ; <<4 x float>> [#uses=1]
42  %19 = insertelement <4 x float> %18, float 0.000000e+00, i32 3 ; <<4 x float>> [#uses=2]
43  %20 = shufflevector <4 x float> %19, <4 x float> undef, <2 x i32> <i32 0, i32 1> ; <<2 x float>> [#uses=1]
44  %21 = shufflevector <4 x float> %19, <4 x float> undef, <2 x i32> <i32 2, i32 3> ; <<2 x float>> [#uses=1]
45  %22 = tail call <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float> %20, <2 x float> %21) nounwind ; <<2 x float>> [#uses=2]
46  %23 = tail call <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float> %22, <2 x float> %22) nounwind ; <<2 x float>> [#uses=2]
47  %24 = shufflevector <2 x float> %23, <2 x float> %23, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
48  %25 = fadd <4 x float> %24, zeroinitializer     ; <<4 x float>> [#uses=1]
49  %tmp46 = extractelement <4 x float> %25, i32 0  ; <float> [#uses=1]
50  %26 = fcmp olt float %tmp46, 0.000000e+00       ; <i1> [#uses=1]
51  br i1 %26, label %bb41, label %bb33
52
53bb33:                                             ; preds = %bb, %entry
54  br i1 undef, label %bb34, label %bb
55
56bb34:                                             ; preds = %bb33
57  ret i8 undef
58
59bb41:                                             ; preds = %bb
60  ret i8 1
61}
62