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83
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1 ; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mcpu=cortex-a57 -mattr=+neon -fp-contract=fast -regalloc=pbqp -pbqp-coalescing | FileCheck %s
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2
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3 %pl = type { i32, i32, i32, i32, %p*, %l*, double* }
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4 %p = type { i32, %ca*, [27 x %ca*], %v*, %v*, %v*, i32 }
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5 %ca = type { %v, float, i32 }
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6 %v = type { double, double, double }
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7 %l = type opaque
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8 %rs = type { i32, i32, i32, i32, %v*, %v*, [21 x double], %v, %v, %v, double, double, double }
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9
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10 ;CHECK-LABEL: test_csr
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11 define void @test_csr(%pl* nocapture readnone %this, %rs* nocapture %r) align 2 {
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12 ;CHECK-NOT: stp {{d[0-9]+}}, {{d[0-9]+}}
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13 entry:
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14 %x.i = getelementptr inbounds %rs* %r, i64 0, i32 7, i32 0
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15 %y.i = getelementptr inbounds %rs* %r, i64 0, i32 7, i32 1
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16 %z.i = getelementptr inbounds %rs* %r, i64 0, i32 7, i32 2
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17 %x.i61 = getelementptr inbounds %rs* %r, i64 0, i32 8, i32 0
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18 %y.i62 = getelementptr inbounds %rs* %r, i64 0, i32 8, i32 1
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19 %z.i63 = getelementptr inbounds %rs* %r, i64 0, i32 8, i32 2
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20 %x.i58 = getelementptr inbounds %rs* %r, i64 0, i32 9, i32 0
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21 %y.i59 = getelementptr inbounds %rs* %r, i64 0, i32 9, i32 1
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22 %z.i60 = getelementptr inbounds %rs* %r, i64 0, i32 9, i32 2
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23 %na = getelementptr inbounds %rs* %r, i64 0, i32 0
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24 %0 = bitcast double* %x.i to i8*
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25 call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 72, i32 8, i1 false)
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26 %1 = load i32* %na, align 4
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27 %cmp70 = icmp sgt i32 %1, 0
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28 br i1 %cmp70, label %for.body.lr.ph, label %for.end
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29
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30 for.body.lr.ph: ; preds = %entry
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31 %fn = getelementptr inbounds %rs* %r, i64 0, i32 4
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32 %2 = load %v** %fn, align 8
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33 %fs = getelementptr inbounds %rs* %r, i64 0, i32 5
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34 %3 = load %v** %fs, align 8
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35 %4 = sext i32 %1 to i64
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36 br label %for.body
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37
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38 for.body: ; preds = %for.body.lr.ph, %for.body
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39 %5 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add6.i, %for.body ]
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40 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
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41 %6 = phi <2 x double> [ zeroinitializer, %for.body.lr.ph ], [ %17, %for.body ]
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42 %7 = phi <2 x double> [ zeroinitializer, %for.body.lr.ph ], [ %22, %for.body ]
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43 %8 = phi <2 x double> [ zeroinitializer, %for.body.lr.ph ], [ %26, %for.body ]
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44 %9 = phi <2 x double> [ zeroinitializer, %for.body.lr.ph ], [ %28, %for.body ]
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45 %x.i54 = getelementptr inbounds %v* %2, i64 %indvars.iv, i32 0
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46 %x1.i = getelementptr inbounds %v* %3, i64 %indvars.iv, i32 0
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47 %y.i56 = getelementptr inbounds %v* %2, i64 %indvars.iv, i32 1
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48 %10 = bitcast double* %x.i54 to <2 x double>*
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49 %11 = load <2 x double>* %10, align 8
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50 %y2.i = getelementptr inbounds %v* %3, i64 %indvars.iv, i32 1
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51 %12 = bitcast double* %x1.i to <2 x double>*
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52 %13 = load <2 x double>* %12, align 8
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53 %14 = fadd fast <2 x double> %13, %11
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54 %z.i57 = getelementptr inbounds %v* %2, i64 %indvars.iv, i32 2
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55 %15 = load double* %z.i57, align 8
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56 %z4.i = getelementptr inbounds %v* %3, i64 %indvars.iv, i32 2
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57 %16 = load double* %z4.i, align 8
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58 %add5.i = fadd fast double %16, %15
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59 %17 = fadd fast <2 x double> %6, %11
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60 %18 = bitcast double* %x.i to <2 x double>*
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61 store <2 x double> %17, <2 x double>* %18, align 8
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62 %19 = load double* %x1.i, align 8
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63 %20 = insertelement <2 x double> undef, double %15, i32 0
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64 %21 = insertelement <2 x double> %20, double %19, i32 1
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65 %22 = fadd fast <2 x double> %7, %21
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66 %23 = bitcast double* %z.i to <2 x double>*
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67 store <2 x double> %22, <2 x double>* %23, align 8
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68 %24 = bitcast double* %y2.i to <2 x double>*
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69 %25 = load <2 x double>* %24, align 8
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70 %26 = fadd fast <2 x double> %8, %25
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71 %27 = bitcast double* %y.i62 to <2 x double>*
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72 store <2 x double> %26, <2 x double>* %27, align 8
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73 %28 = fadd fast <2 x double> %14, %9
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74 %29 = bitcast double* %x.i58 to <2 x double>*
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75 store <2 x double> %28, <2 x double>* %29, align 8
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76 %add6.i = fadd fast double %add5.i, %5
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77 store double %add6.i, double* %z.i60, align 8
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78 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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79 %cmp = icmp slt i64 %indvars.iv.next, %4
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80 br i1 %cmp, label %for.body, label %for.end.loopexit
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81
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82 for.end.loopexit: ; preds = %for.body
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83 br label %for.end
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84
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85 for.end: ; preds = %for.end.loopexit, %entry
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86 ret void
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87 }
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88
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89 ; Function Attrs: nounwind
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90 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
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91
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