|  | ; RUN: llc < %s -mcpu=cortex-a8 | 
|  | ; Test that this doesn't crash. | 
|  | ; <rdar://problem/12183003> | 
|  |  | 
|  | target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32" | 
|  | target triple = "thumbv7-apple-ios5.1.0" | 
|  |  | 
|  | declare { <16 x i8>, <16 x i8>, <16 x i8> } @llvm.arm.neon.vld3.v16i8.p0i8(i8*, i32) nounwind readonly | 
|  |  | 
|  | declare void @llvm.arm.neon.vst1.p0i8.v16i8(i8*, <16 x i8>, i32) nounwind | 
|  |  | 
|  | define void @findEdges(i8*) nounwind ssp { | 
|  | %2 = icmp sgt i32 undef, 0 | 
|  | br i1 %2, label %5, label %3 | 
|  |  | 
|  | ; <label>:3                                       ; preds = %5, %1 | 
|  | %4 = phi i8* [ %0, %1 ], [ %19, %5 ] | 
|  | ret void | 
|  |  | 
|  | ; <label>:5                                       ; preds = %5, %1 | 
|  | %6 = phi i8* [ %19, %5 ], [ %0, %1 ] | 
|  | %7 = tail call { <16 x i8>, <16 x i8>, <16 x i8> } @llvm.arm.neon.vld3.v16i8.p0i8(i8* null, i32 1) | 
|  | %8 = extractvalue { <16 x i8>, <16 x i8>, <16 x i8> } %7, 0 | 
|  | %9 = getelementptr inbounds i8, i8* null, i32 3 | 
|  | %10 = tail call { <16 x i8>, <16 x i8>, <16 x i8> } @llvm.arm.neon.vld3.v16i8.p0i8(i8* %9, i32 1) | 
|  | %11 = extractvalue { <16 x i8>, <16 x i8>, <16 x i8> } %10, 2 | 
|  | %12 = tail call { <16 x i8>, <16 x i8>, <16 x i8> } @llvm.arm.neon.vld3.v16i8.p0i8(i8* %6, i32 1) | 
|  | %13 = extractvalue { <16 x i8>, <16 x i8>, <16 x i8> } %12, 0 | 
|  | %14 = extractvalue { <16 x i8>, <16 x i8>, <16 x i8> } %12, 1 | 
|  | %15 = getelementptr inbounds i8, i8* %6, i32 3 | 
|  | %16 = tail call { <16 x i8>, <16 x i8>, <16 x i8> } @llvm.arm.neon.vld3.v16i8.p0i8(i8* %15, i32 1) | 
|  | %17 = extractvalue { <16 x i8>, <16 x i8>, <16 x i8> } %16, 1 | 
|  | %18 = extractvalue { <16 x i8>, <16 x i8>, <16 x i8> } %16, 2 | 
|  | %19 = getelementptr inbounds i8, i8* %6, i32 48 | 
|  | %20 = bitcast <16 x i8> %13 to <2 x i64> | 
|  | %21 = bitcast <16 x i8> %8 to <2 x i64> | 
|  | %22 = bitcast <16 x i8> %14 to <2 x i64> | 
|  | %23 = shufflevector <2 x i64> %22, <2 x i64> undef, <1 x i32> zeroinitializer | 
|  | %24 = bitcast <1 x i64> %23 to <8 x i8> | 
|  | %25 = zext <8 x i8> %24 to <8 x i16> | 
|  | %26 = sub <8 x i16> zeroinitializer, %25 | 
|  | %27 = bitcast <16 x i8> %17 to <2 x i64> | 
|  | %28 = tail call <8 x i16> @llvm.arm.neon.vabs.v8i16(<8 x i16> %26) nounwind | 
|  | %29 = mul <8 x i16> %28, %28 | 
|  | %30 = add <8 x i16> zeroinitializer, %29 | 
|  | %31 = tail call <8 x i16> @llvm.arm.neon.vmaxu.v8i16(<8 x i16> undef, <8 x i16> %30) nounwind | 
|  | %32 = bitcast <16 x i8> %11 to <2 x i64> | 
|  | %33 = shufflevector <2 x i64> %32, <2 x i64> undef, <1 x i32> zeroinitializer | 
|  | %34 = bitcast <1 x i64> %33 to <8 x i8> | 
|  | %35 = zext <8 x i8> %34 to <8 x i16> | 
|  | %36 = sub <8 x i16> %35, zeroinitializer | 
|  | %37 = bitcast <16 x i8> %18 to <2 x i64> | 
|  | %38 = shufflevector <2 x i64> %37, <2 x i64> undef, <1 x i32> zeroinitializer | 
|  | %39 = bitcast <1 x i64> %38 to <8 x i8> | 
|  | %40 = zext <8 x i8> %39 to <8 x i16> | 
|  | %41 = sub <8 x i16> zeroinitializer, %40 | 
|  | %42 = tail call <8 x i16> @llvm.arm.neon.vabs.v8i16(<8 x i16> %36) nounwind | 
|  | %43 = tail call <8 x i16> @llvm.arm.neon.vabs.v8i16(<8 x i16> %41) nounwind | 
|  | %44 = mul <8 x i16> %42, %42 | 
|  | %45 = mul <8 x i16> %43, %43 | 
|  | %46 = add <8 x i16> %45, %44 | 
|  | %47 = tail call <8 x i16> @llvm.arm.neon.vmaxu.v8i16(<8 x i16> %31, <8 x i16> %46) nounwind | 
|  | %48 = bitcast <8 x i16> %47 to <2 x i64> | 
|  | %49 = shufflevector <2 x i64> %48, <2 x i64> undef, <1 x i32> zeroinitializer | 
|  | %50 = bitcast <1 x i64> %49 to <4 x i16> | 
|  | %51 = tail call <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16> %50, <4 x i16> undef) nounwind | 
|  | %52 = tail call <4 x i16> @llvm.arm.neon.vqshiftnu.v4i16(<4 x i32> %51, <4 x i32> <i32 -6, i32 -6, i32 -6, i32 -6>) | 
|  | %53 = bitcast <4 x i16> %52 to <1 x i64> | 
|  | %54 = shufflevector <1 x i64> %53, <1 x i64> undef, <2 x i32> <i32 0, i32 1> | 
|  | %55 = bitcast <2 x i64> %54 to <8 x i16> | 
|  | %56 = tail call <8 x i8> @llvm.arm.neon.vshiftn.v8i8(<8 x i16> %55, <8 x i16> <i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8>) | 
|  | %57 = shufflevector <2 x i64> %20, <2 x i64> undef, <1 x i32> <i32 1> | 
|  | %58 = bitcast <1 x i64> %57 to <8 x i8> | 
|  | %59 = zext <8 x i8> %58 to <8 x i16> | 
|  | %60 = sub <8 x i16> zeroinitializer, %59 | 
|  | %61 = shufflevector <2 x i64> %21, <2 x i64> undef, <1 x i32> <i32 1> | 
|  | %62 = bitcast <1 x i64> %61 to <8 x i8> | 
|  | %63 = zext <8 x i8> %62 to <8 x i16> | 
|  | %64 = sub <8 x i16> %63, zeroinitializer | 
|  | %65 = tail call <8 x i16> @llvm.arm.neon.vabs.v8i16(<8 x i16> %60) nounwind | 
|  | %66 = mul <8 x i16> %65, %65 | 
|  | %67 = add <8 x i16> zeroinitializer, %66 | 
|  | %68 = shufflevector <2 x i64> %27, <2 x i64> undef, <1 x i32> <i32 1> | 
|  | %69 = bitcast <1 x i64> %68 to <8 x i8> | 
|  | %70 = zext <8 x i8> %69 to <8 x i16> | 
|  | %71 = sub <8 x i16> zeroinitializer, %70 | 
|  | %72 = tail call <8 x i16> @llvm.arm.neon.vabs.v8i16(<8 x i16> undef) nounwind | 
|  | %73 = tail call <8 x i16> @llvm.arm.neon.vabs.v8i16(<8 x i16> %71) nounwind | 
|  | %74 = mul <8 x i16> %72, %72 | 
|  | %75 = mul <8 x i16> %73, %73 | 
|  | %76 = add <8 x i16> %75, %74 | 
|  | %77 = shufflevector <2 x i64> %32, <2 x i64> undef, <1 x i32> <i32 1> | 
|  | %78 = bitcast <1 x i64> %77 to <8 x i8> | 
|  | %79 = zext <8 x i8> %78 to <8 x i16> | 
|  | %80 = sub <8 x i16> %79, zeroinitializer | 
|  | %81 = tail call <8 x i16> @llvm.arm.neon.vabs.v8i16(<8 x i16> %80) nounwind | 
|  | %82 = mul <8 x i16> %81, %81 | 
|  | %83 = add <8 x i16> zeroinitializer, %82 | 
|  | %84 = tail call <8 x i16> @llvm.arm.neon.vmaxu.v8i16(<8 x i16> %76, <8 x i16> %83) nounwind | 
|  | %85 = tail call <8 x i16> @llvm.arm.neon.vmaxu.v8i16(<8 x i16> %67, <8 x i16> %84) nounwind | 
|  | %86 = bitcast <8 x i16> %85 to <2 x i64> | 
|  | %87 = shufflevector <2 x i64> %86, <2 x i64> undef, <1 x i32> <i32 1> | 
|  | %88 = bitcast <1 x i64> %87 to <4 x i16> | 
|  | %89 = tail call <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16> %88, <4 x i16> undef) nounwind | 
|  | %90 = tail call <4 x i16> @llvm.arm.neon.vqrshiftnu.v4i16(<4 x i32> %89, <4 x i32> <i32 -6, i32 -6, i32 -6, i32 -6>) | 
|  | %91 = bitcast <4 x i16> %90 to <1 x i64> | 
|  | %92 = shufflevector <1 x i64> undef, <1 x i64> %91, <2 x i32> <i32 0, i32 1> | 
|  | %93 = bitcast <2 x i64> %92 to <8 x i16> | 
|  | %94 = tail call <8 x i8> @llvm.arm.neon.vshiftn.v8i8(<8 x i16> %93, <8 x i16> <i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8>) | 
|  | %95 = bitcast <8 x i8> %56 to <1 x i64> | 
|  | %96 = bitcast <8 x i8> %94 to <1 x i64> | 
|  | %97 = shufflevector <1 x i64> %95, <1 x i64> %96, <2 x i32> <i32 0, i32 1> | 
|  | %98 = bitcast <2 x i64> %97 to <16 x i8> | 
|  | tail call void @llvm.arm.neon.vst1.p0i8.v16i8(i8* null, <16 x i8> %98, i32 1) | 
|  | %99 = icmp slt i32 undef, undef | 
|  | br i1 %99, label %5, label %3 | 
|  | } | 
|  |  | 
|  | declare <4 x i16> @llvm.arm.neon.vqshiftnu.v4i16(<4 x i32>, <4 x i32>) nounwind readnone | 
|  |  | 
|  | declare <8 x i8> @llvm.arm.neon.vshiftn.v8i8(<8 x i16>, <8 x i16>) nounwind readnone | 
|  |  | 
|  | declare <4 x i16> @llvm.arm.neon.vqrshiftnu.v4i16(<4 x i32>, <4 x i32>) nounwind readnone | 
|  |  | 
|  | declare <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16>, <4 x i16>) nounwind readnone | 
|  |  | 
|  | declare <8 x i16> @llvm.arm.neon.vmaxu.v8i16(<8 x i16>, <8 x i16>) nounwind readnone | 
|  |  | 
|  | declare <8 x i16> @llvm.arm.neon.vabs.v8i16(<8 x i16>) nounwind readnone |