; LLVM IR from QiaoLiuHit/LSOTB-TIR :: vlfeat-0.9.19/vl (sift)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct._VlSiftFilt = type { double, double, double, double, i32, i32, i32, i32, i32, i32, i32, i32, ptr, ptr, ptr, i32, i32, ptr, double, i64, ptr, i32, i32, double, double, double, double, double, ptr, i32 }
%struct._VlSiftKeypoint = type { i32, i32, i32, i32, float, float, float, float }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind
declare double @log(double noundef) #1

; Function Attrs: nounwind
declare double @pow(double noundef, double noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @vl_floor_d(double noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @vl_sift_keypoint_init(ptr noundef %0, ptr noundef %1, double noundef %2, double noundef %3, double noundef %4) #3 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  %10 = alloca double, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca double, align 8
  %16 = alloca double, align 8
  %17 = alloca double, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store double %2, ptr %8, align 8, !tbaa !9
  store double %3, ptr %9, align 8, !tbaa !9
  store double %4, ptr %10, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %18 = load double, ptr %10, align 8, !tbaa !9
  %19 = fadd double %18, 0x3CB0000000000000
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct._VlSiftFilt, ptr %20, i32 0, i32 1
  %22 = load double, ptr %21, align 8, !tbaa !11
  %23 = fdiv double %19, %22
  %24 = call double @log(double noundef %23) #4
  %25 = fdiv double %24, 0x3FE62E42FEFA39EC
  store double %25, ptr %16, align 8, !tbaa !9
  %26 = load double, ptr %16, align 8, !tbaa !9
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct._VlSiftFilt, ptr %27, i32 0, i32 9
  %29 = load i32, ptr %28, align 4, !tbaa !15
  %30 = sitofp i32 %29 to double
  %31 = fadd double %30, 5.000000e-01
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct._VlSiftFilt, ptr %32, i32 0, i32 7
  %34 = load i32, ptr %33, align 4, !tbaa !16
  %35 = sitofp i32 %34 to double
  %36 = fdiv double %31, %35
  %37 = fsub double %26, %36
  %38 = call i64 @vl_floor_d(double noundef %37)
  %39 = trunc i64 %38 to i32
  store i32 %39, ptr %11, align 4, !tbaa !17
  %40 = load i32, ptr %11, align 4, !tbaa !17
  %41 = load ptr, ptr %6, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct._VlSiftFilt, ptr %41, i32 0, i32 8
  %43 = load i32, ptr %42, align 8, !tbaa !18
  %44 = load ptr, ptr %6, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct._VlSiftFilt, ptr %44, i32 0, i32 6
  %46 = load i32, ptr %45, align 8, !tbaa !19
  %47 = add nsw i32 %43, %46
  %48 = sub nsw i32 %47, 1
  %49 = icmp slt i32 %40, %48
  br i1 %49, label %50, label %52

50:                                               ; preds = %5
  %51 = load i32, ptr %11, align 4, !tbaa !17
  br label %61

52:                                               ; preds = %5
  %53 = load ptr, ptr %6, align 8, !tbaa !5
  %54 = getelementptr inbounds %struct._VlSiftFilt, ptr %53, i32 0, i32 8
  %55 = load i32, ptr %54, align 8, !tbaa !18
  %56 = load ptr, ptr %6, align 8, !tbaa !5
  %57 = getelementptr inbounds %struct._VlSiftFilt, ptr %56, i32 0, i32 6
  %58 = load i32, ptr %57, align 8, !tbaa !19
  %59 = add nsw i32 %55, %58
  %60 = sub nsw i32 %59, 1
  br label %61

61:                                               ; preds = %52, %50
  %62 = phi i32 [ %51, %50 ], [ %60, %52 ]
  store i32 %62, ptr %11, align 4, !tbaa !17
  %63 = load i32, ptr %11, align 4, !tbaa !17
  %64 = load ptr, ptr %6, align 8, !tbaa !5
  %65 = getelementptr inbounds %struct._VlSiftFilt, ptr %64, i32 0, i32 8
  %66 = load i32, ptr %65, align 8, !tbaa !18
  %67 = icmp sgt i32 %63, %66
  br i1 %67, label %68, label %70

68:                                               ; preds = %61
  %69 = load i32, ptr %11, align 4, !tbaa !17
  br label %74

70:                                               ; preds = %61
  %71 = load ptr, ptr %6, align 8, !tbaa !5
  %72 = getelementptr inbounds %struct._VlSiftFilt, ptr %71, i32 0, i32 8
  %73 = load i32, ptr %72, align 8, !tbaa !18
  br label %74

74:                                               ; preds = %70, %68
  %75 = phi i32 [ %69, %68 ], [ %73, %70 ]
  store i32 %75, ptr %11, align 4, !tbaa !17
  %76 = load ptr, ptr %6, align 8, !tbaa !5
  %77 = getelementptr inbounds %struct._VlSiftFilt, ptr %76, i32 0, i32 7
  %78 = load i32, ptr %77, align 4, !tbaa !16
  %79 = sitofp i32 %78 to double
  %80 = load double, ptr %16, align 8, !tbaa !9
  %81 = load i32, ptr %11, align 4, !tbaa !17
  %82 = sitofp i32 %81 to double
  %83 = fsub double %80, %82
  %84 = fmul double %79, %83
  store double %84, ptr %15, align 8, !tbaa !9
  %85 = load double, ptr %15, align 8, !tbaa !9
  %86 = fadd double %85, 5.000000e-01
  %87 = fptosi double %86 to i32
  store i32 %87, ptr %14, align 4, !tbaa !17
  %88 = load i32, ptr %14, align 4, !tbaa !17
  %89 = load ptr, ptr %6, align 8, !tbaa !5
  %90 = getelementptr inbounds %struct._VlSiftFilt, ptr %89, i32 0, i32 10
  %91 = load i32, ptr %90, align 8, !tbaa !20
  %92 = sub nsw i32 %91, 2
  %93 = icmp slt i32 %88, %92
  br i1 %93, label %94, label %96

94:                                               ; preds = %74
  %95 = load i32, ptr %14, align 4, !tbaa !17
  br label %101

96:                                               ; preds = %74
  %97 = load ptr, ptr %6, align 8, !tbaa !5
  %98 = getelementptr inbounds %struct._VlSiftFilt, ptr %97, i32 0, i32 10
  %99 = load i32, ptr %98, align 8, !tbaa !20
  %100 = sub nsw i32 %99, 2
  br label %101

101:                                              ; preds = %96, %94
  %102 = phi i32 [ %95, %94 ], [ %100, %96 ]
  store i32 %102, ptr %14, align 4, !tbaa !17
  %103 = load i32, ptr %14, align 4, !tbaa !17
  %104 = load ptr, ptr %6, align 8, !tbaa !5
  %105 = getelementptr inbounds %struct._VlSiftFilt, ptr %104, i32 0, i32 9
  %106 = load i32, ptr %105, align 4, !tbaa !15
  %107 = add nsw i32 %106, 1
  %108 = icmp sgt i32 %103, %107
  br i1 %108, label %109, label %111

109:                                              ; preds = %101
  %110 = load i32, ptr %14, align 4, !tbaa !17
  br label %116

111:                                              ; preds = %101
  %112 = load ptr, ptr %6, align 8, !tbaa !5
  %113 = getelementptr inbounds %struct._VlSiftFilt, ptr %112, i32 0, i32 9
  %114 = load i32, ptr %113, align 4, !tbaa !15
  %115 = add nsw i32 %114, 1
  br label %116

116:                                              ; preds = %111, %109
  %117 = phi i32 [ %110, %109 ], [ %115, %111 ]
  store i32 %117, ptr %14, align 4, !tbaa !17
  %118 = load i32, ptr %11, align 4, !tbaa !17
  %119 = sitofp i32 %118 to double
  %120 = call double @pow(double noundef 2.000000e+00, double noundef %119) #4
  store double %120, ptr %17, align 8, !tbaa !9
  %121 = load double, ptr %8, align 8, !tbaa !9
  %122 = load double, ptr %17, align 8, !tbaa !9
  %123 = fdiv double %121, %122
  %124 = fadd double %123, 5.000000e-01
  %125 = fptosi double %124 to i32
  store i32 %125, ptr %12, align 4, !tbaa !17
  %126 = load double, ptr %9, align 8, !tbaa !9
  %127 = load double, ptr %17, align 8, !tbaa !9
  %128 = fdiv double %126, %127
  %129 = fadd double %128, 5.000000e-01
  %130 = fptosi double %129 to i32
  store i32 %130, ptr %13, align 4, !tbaa !17
  %131 = load i32, ptr %11, align 4, !tbaa !17
  %132 = load ptr, ptr %7, align 8, !tbaa !5
  %133 = getelementptr inbounds %struct._VlSiftKeypoint, ptr %132, i32 0, i32 0
  store i32 %131, ptr %133, align 4, !tbaa !21
  %134 = load i32, ptr %12, align 4, !tbaa !17
  %135 = load ptr, ptr %7, align 8, !tbaa !5
  %136 = getelementptr inbounds %struct._VlSiftKeypoint, ptr %135, i32 0, i32 1
  store i32 %134, ptr %136, align 4, !tbaa !24
  %137 = load i32, ptr %13, align 4, !tbaa !17
  %138 = load ptr, ptr %7, align 8, !tbaa !5
  %139 = getelementptr inbounds %struct._VlSiftKeypoint, ptr %138, i32 0, i32 2
  store i32 %137, ptr %139, align 4, !tbaa !25
  %140 = load i32, ptr %14, align 4, !tbaa !17
  %141 = load ptr, ptr %7, align 8, !tbaa !5
  %142 = getelementptr inbounds %struct._VlSiftKeypoint, ptr %141, i32 0, i32 3
  store i32 %140, ptr %142, align 4, !tbaa !26
  %143 = load double, ptr %8, align 8, !tbaa !9
  %144 = fptrunc double %143 to float
  %145 = load ptr, ptr %7, align 8, !tbaa !5
  %146 = getelementptr inbounds %struct._VlSiftKeypoint, ptr %145, i32 0, i32 4
  store float %144, ptr %146, align 4, !tbaa !27
  %147 = load double, ptr %9, align 8, !tbaa !9
  %148 = fptrunc double %147 to float
  %149 = load ptr, ptr %7, align 8, !tbaa !5
  %150 = getelementptr inbounds %struct._VlSiftKeypoint, ptr %149, i32 0, i32 5
  store float %148, ptr %150, align 4, !tbaa !28
  %151 = load double, ptr %15, align 8, !tbaa !9
  %152 = fptrunc double %151 to float
  %153 = load ptr, ptr %7, align 8, !tbaa !5
  %154 = getelementptr inbounds %struct._VlSiftKeypoint, ptr %153, i32 0, i32 6
  store float %152, ptr %154, align 4, !tbaa !29
  %155 = load double, ptr %10, align 8, !tbaa !9
  %156 = fptrunc double %155 to float
  %157 = load ptr, ptr %7, align 8, !tbaa !5
  %158 = getelementptr inbounds %struct._VlSiftKeypoint, ptr %157, i32 0, i32 7
  store float %156, ptr %158, align 4, !tbaa !30
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { inlinehint nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"_VlSiftFilt", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !13, i64 32, !13, i64 36, !13, i64 40, !13, i64 44, !13, i64 48, !13, i64 52, !13, i64 56, !13, i64 60, !6, i64 64, !6, i64 72, !6, i64 80, !13, i64 88, !13, i64 92, !6, i64 96, !10, i64 104, !14, i64 112, !6, i64 120, !13, i64 128, !13, i64 132, !10, i64 136, !10, i64 144, !10, i64 152, !10, i64 160, !10, i64 168, !6, i64 176, !13, i64 184}
!13 = !{!"int", !7, i64 0}
!14 = !{!"long long", !7, i64 0}
!15 = !{!12, !13, i64 52}
!16 = !{!12, !13, i64 44}
!17 = !{!13, !13, i64 0}
!18 = !{!12, !13, i64 48}
!19 = !{!12, !13, i64 40}
!20 = !{!12, !13, i64 56}
!21 = !{!22, !13, i64 0}
!22 = !{!"_VlSiftKeypoint", !13, i64 0, !13, i64 4, !13, i64 8, !13, i64 12, !23, i64 16, !23, i64 20, !23, i64 24, !23, i64 28}
!23 = !{!"float", !7, i64 0}
!24 = !{!22, !13, i64 4}
!25 = !{!22, !13, i64 8}
!26 = !{!22, !13, i64 12}
!27 = !{!22, !23, i64 16}
!28 = !{!22, !23, i64 20}
!29 = !{!22, !23, i64 24}
!30 = !{!22, !23, i64 28}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @log(double noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @vl_floor_d(double noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @vl_sift_keypoint_init(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1, double noundef %2, double noundef %3, double noundef %4) local_unnamed_addr #2 {
  %6 = fadd double %4, 0x3CB0000000000000
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load double, ptr %7, align 8, !tbaa !5
  %9 = fdiv double %6, %8
  %10 = tail call double @log(double noundef %9) #5
  %11 = fdiv double %10, 0x3FE62E42FEFA39EC
  %12 = getelementptr inbounds i8, ptr %0, i64 52
  %13 = load i32, ptr %12, align 4, !tbaa !13
  %14 = sitofp i32 %13 to double
  %15 = fadd double %14, 5.000000e-01
  %16 = getelementptr inbounds i8, ptr %0, i64 44
  %17 = load i32, ptr %16, align 4, !tbaa !14
  %18 = sitofp i32 %17 to double
  %19 = fdiv double %15, %18
  %20 = fsub double %11, %19
  %21 = tail call i64 @vl_floor_d(double noundef %20)
  %22 = trunc i64 %21 to i32
  %23 = getelementptr inbounds i8, ptr %0, i64 48
  %24 = load i32, ptr %23, align 8, !tbaa !15
  %25 = getelementptr inbounds i8, ptr %0, i64 40
  %26 = load i32, ptr %25, align 8, !tbaa !16
  %27 = add i32 %24, -1
  %28 = add i32 %27, %26
  %. = tail call i32 @llvm.smin.i32(i32 %28, i32 %22)
  %29 = tail call i32 @llvm.smax.i32(i32 %., i32 %24)
  %30 = load i32, ptr %16, align 4, !tbaa !14
  %31 = sitofp i32 %30 to double
  %32 = sitofp i32 %29 to double
  %33 = fsub double %11, %32
  %34 = fmul double %33, %31
  %35 = fadd double %34, 5.000000e-01
  %36 = fptosi double %35 to i32
  %37 = getelementptr inbounds i8, ptr %0, i64 56
  %38 = load i32, ptr %37, align 8, !tbaa !17
  %39 = add nsw i32 %38, -2
  %40 = tail call i32 @llvm.smin.i32(i32 %39, i32 %36)
  %41 = load i32, ptr %12, align 4, !tbaa !13
  %42 = add nsw i32 %41, 1
  %43 = tail call i32 @llvm.smax.i32(i32 %40, i32 %42)
  %ldexp = tail call double @ldexp(double 1.000000e+00, i32 %29) #5
  store i32 %29, ptr %1, align 4, !tbaa !18
  %44 = getelementptr inbounds i8, ptr %1, i64 4
  %45 = insertelement <2 x double> poison, double %2, i64 0
  %46 = insertelement <2 x double> %45, double %3, i64 1
  %47 = insertelement <2 x double> poison, double %ldexp, i64 0
  %48 = shufflevector <2 x double> %47, <2 x double> poison, <2 x i32> zeroinitializer
  %49 = fdiv <2 x double> %46, %48
  %50 = fadd <2 x double> %49, <double 5.000000e-01, double 5.000000e-01>
  %51 = fptosi <2 x double> %50 to <2 x i32>
  store <2 x i32> %51, ptr %44, align 4, !tbaa !21
  %52 = getelementptr inbounds i8, ptr %1, i64 12
  store i32 %43, ptr %52, align 4, !tbaa !22
  %53 = getelementptr inbounds i8, ptr %1, i64 16
  %54 = insertelement <4 x double> poison, double %2, i64 0
  %55 = insertelement <4 x double> %54, double %3, i64 1
  %56 = insertelement <4 x double> %55, double %34, i64 2
  %57 = insertelement <4 x double> %56, double %4, i64 3
  %58 = fptrunc <4 x double> %57 to <4 x float>
  store <4 x float> %58, ptr %53, align 4, !tbaa !23
  ret void
}

; Function Attrs: nofree willreturn
declare double @ldexp(double, i32) local_unnamed_addr #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #4

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #4

attributes #0 = { mustprogress nofree nounwind willreturn memory(write) "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { inlinehint nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nofree willreturn }
attributes #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !7, i64 8}
!6 = !{!"_VlSiftFilt", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !10, i64 32, !10, i64 36, !10, i64 40, !10, i64 44, !10, i64 48, !10, i64 52, !10, i64 56, !10, i64 60, !11, i64 64, !11, i64 72, !11, i64 80, !10, i64 88, !10, i64 92, !11, i64 96, !7, i64 104, !12, i64 112, !11, i64 120, !10, i64 128, !10, i64 132, !7, i64 136, !7, i64 144, !7, i64 152, !7, i64 160, !7, i64 168, !11, i64 176, !10, i64 184}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"long long", !8, i64 0}
!13 = !{!6, !10, i64 52}
!14 = !{!6, !10, i64 44}
!15 = !{!6, !10, i64 48}
!16 = !{!6, !10, i64 40}
!17 = !{!6, !10, i64 56}
!18 = !{!19, !10, i64 0}
!19 = !{!"_VlSiftKeypoint", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !20, i64 16, !20, i64 20, !20, i64 24, !20, i64 28}
!20 = !{!"float", !8, i64 0}
!21 = !{!10, !10, i64 0}
!22 = !{!19, !10, i64 12}
!23 = !{!20, !20, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass