; LLVM IR from sp-nitech/SPTK :: src/math (vandermonde_system_solver)

; 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"

%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.sptk::VandermondeSystemSolver" = type <{ ptr, i32, i8, [3 x i8] }>
%"class.sptk::VandermondeSystemSolver::Buffer" = type { ptr, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK4sptk23VandermondeSystemSolver3RunERKSt6vectorIdSaIdEES5_PS3_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(13) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef %3, ptr noundef %4) #0 align 2 {
  %6 = alloca i1, align 1
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca ptr, align 8
  %15 = alloca ptr, align 8
  %16 = alloca ptr, align 8
  %17 = alloca ptr, align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca double, align 8
  %21 = alloca i32, align 4
  %22 = alloca i32, align 4
  %23 = alloca i32, align 4
  %24 = alloca double, align 8
  %25 = alloca double, align 8
  %26 = alloca double, align 8
  %27 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !5
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  %28 = load ptr, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  %29 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver", ptr %28, i32 0, i32 1
  %30 = load i32, ptr %29, align 8, !tbaa !9
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %12, align 4, !tbaa !13
  %32 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver", ptr %28, i32 0, i32 2
  %33 = load i8, ptr %32, align 4, !tbaa !14, !range !15, !noundef !16
  %34 = trunc i8 %33 to i1
  br i1 %34, label %35, label %53

35:                                               ; preds = %5
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  %37 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %36) #5
  %38 = load i32, ptr %12, align 4, !tbaa !13
  %39 = sext i32 %38 to i64
  %40 = icmp ne i64 %37, %39
  br i1 %40, label %53, label %41

41:                                               ; preds = %35
  %42 = load ptr, ptr %9, align 8, !tbaa !5
  %43 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %42) #5
  %44 = load i32, ptr %12, align 4, !tbaa !13
  %45 = sext i32 %44 to i64
  %46 = icmp ne i64 %43, %45
  br i1 %46, label %53, label %47

47:                                               ; preds = %41
  %48 = load ptr, ptr %10, align 8, !tbaa !5
  %49 = icmp eq ptr null, %48
  br i1 %49, label %53, label %50

50:                                               ; preds = %47
  %51 = load ptr, ptr %11, align 8, !tbaa !5
  %52 = icmp eq ptr null, %51
  br i1 %52, label %53, label %54

53:                                               ; preds = %50, %47, %41, %35, %5
  store i1 false, ptr %6, align 1
  store i32 1, ptr %13, align 4
  br label %222

54:                                               ; preds = %50
  %55 = load ptr, ptr %10, align 8, !tbaa !5
  %56 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %55) #5
  %57 = load i32, ptr %12, align 4, !tbaa !13
  %58 = sext i32 %57 to i64
  %59 = icmp ne i64 %56, %58
  br i1 %59, label %60, label %64

60:                                               ; preds = %54
  %61 = load ptr, ptr %10, align 8, !tbaa !5
  %62 = load i32, ptr %12, align 4, !tbaa !13
  %63 = sext i32 %62 to i64
  call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %61, i64 noundef %63)
  br label %64

64:                                               ; preds = %60, %54
  %65 = load ptr, ptr %11, align 8, !tbaa !5
  %66 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver::Buffer", ptr %65, i32 0, i32 1
  %67 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %66) #5
  %68 = load i32, ptr %12, align 4, !tbaa !13
  %69 = sext i32 %68 to i64
  %70 = icmp ne i64 %67, %69
  br i1 %70, label %71, label %76

71:                                               ; preds = %64
  %72 = load ptr, ptr %11, align 8, !tbaa !5
  %73 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver::Buffer", ptr %72, i32 0, i32 1
  %74 = load i32, ptr %12, align 4, !tbaa !13
  %75 = sext i32 %74 to i64
  call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %73, i64 noundef %75)
  br label %76

76:                                               ; preds = %71, %64
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  %77 = load ptr, ptr %8, align 8, !tbaa !5
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %77, i64 noundef 0) #5
  store ptr %78, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %79 = load ptr, ptr %9, align 8, !tbaa !5
  %80 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %79, i64 noundef 0) #5
  store ptr %80, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %81 = load ptr, ptr %10, align 8, !tbaa !5
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %81, i64 noundef 0) #5
  store ptr %82, ptr %16, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %83 = load ptr, ptr %11, align 8, !tbaa !5
  %84 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver::Buffer", ptr %83, i32 0, i32 1
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %84, i64 noundef 0) #5
  store ptr %85, ptr %17, align 8, !tbaa !5
  %86 = load ptr, ptr %11, align 8, !tbaa !5
  %87 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver::Buffer", ptr %86, i32 0, i32 1
  %88 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %87) #5
  %89 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %88, ptr %89, align 8
  %90 = load ptr, ptr %11, align 8, !tbaa !5
  %91 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver::Buffer", ptr %90, i32 0, i32 1
  %92 = call ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %91) #5
  %93 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %92, ptr %93, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #5
  store double 0.000000e+00, ptr %20, align 8, !tbaa !17
  %94 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  %95 = load ptr, ptr %94, align 8
  %96 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  %97 = load ptr, ptr %96, align 8
  call void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEEdEvT_S7_RKT0_(ptr %95, ptr %97, ptr noundef nonnull align 8 dereferenceable(8) %20)
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #5
  store i32 0, ptr %21, align 4, !tbaa !13
  br label %98

98:                                               ; preds = %141, %76
  %99 = load i32, ptr %21, align 4, !tbaa !13
  %100 = load i32, ptr %12, align 4, !tbaa !13
  %101 = icmp slt i32 %99, %100
  br i1 %101, label %103, label %102

102:                                              ; preds = %98
  store i32 2, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #5
  br label %144

103:                                              ; preds = %98
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #5
  %104 = load i32, ptr %21, align 4, !tbaa !13
  store i32 %104, ptr %22, align 4, !tbaa !13
  br label %105

105:                                              ; preds = %128, %103
  %106 = load i32, ptr %22, align 4, !tbaa !13
  %107 = icmp slt i32 0, %106
  br i1 %107, label %109, label %108

108:                                              ; preds = %105
  store i32 5, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #5
  br label %131

109:                                              ; preds = %105
  %110 = load ptr, ptr %14, align 8, !tbaa !5
  %111 = load i32, ptr %21, align 4, !tbaa !13
  %112 = sext i32 %111 to i64
  %113 = getelementptr inbounds double, ptr %110, i64 %112
  %114 = load double, ptr %113, align 8, !tbaa !17
  %115 = load ptr, ptr %17, align 8, !tbaa !5
  %116 = load i32, ptr %22, align 4, !tbaa !13
  %117 = sub nsw i32 %116, 1
  %118 = sext i32 %117 to i64
  %119 = getelementptr inbounds double, ptr %115, i64 %118
  %120 = load double, ptr %119, align 8, !tbaa !17
  %121 = load ptr, ptr %17, align 8, !tbaa !5
  %122 = load i32, ptr %22, align 4, !tbaa !13
  %123 = sext i32 %122 to i64
  %124 = getelementptr inbounds double, ptr %121, i64 %123
  %125 = load double, ptr %124, align 8, !tbaa !17
  %126 = fneg double %114
  %127 = call double @llvm.fmuladd.f64(double %126, double %120, double %125)
  store double %127, ptr %124, align 8, !tbaa !17
  br label %128

128:                                              ; preds = %109
  %129 = load i32, ptr %22, align 4, !tbaa !13
  %130 = add nsw i32 %129, -1
  store i32 %130, ptr %22, align 4, !tbaa !13
  br label %105, !llvm.loop !19

131:                                              ; preds = %108
  %132 = load ptr, ptr %14, align 8, !tbaa !5
  %133 = load i32, ptr %21, align 4, !tbaa !13
  %134 = sext i32 %133 to i64
  %135 = getelementptr inbounds double, ptr %132, i64 %134
  %136 = load double, ptr %135, align 8, !tbaa !17
  %137 = load ptr, ptr %17, align 8, !tbaa !5
  %138 = getelementptr inbounds double, ptr %137, i64 0
  %139 = load double, ptr %138, align 8, !tbaa !17
  %140 = fsub double %139, %136
  store double %140, ptr %138, align 8, !tbaa !17
  br label %141

141:                                              ; preds = %131
  %142 = load i32, ptr %21, align 4, !tbaa !13
  %143 = add nsw i32 %142, 1
  store i32 %143, ptr %21, align 4, !tbaa !13
  br label %98, !llvm.loop !21

144:                                              ; preds = %102
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #5
  store i32 0, ptr %23, align 4, !tbaa !13
  br label %145

145:                                              ; preds = %215, %144
  %146 = load i32, ptr %23, align 4, !tbaa !13
  %147 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver", ptr %28, i32 0, i32 1
  %148 = load i32, ptr %147, align 8, !tbaa !9
  %149 = icmp sle i32 %146, %148
  br i1 %149, label %151, label %150

150:                                              ; preds = %145
  store i32 8, ptr %13, align 4
  br label %218

151:                                              ; preds = %145
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #5
  store double 1.000000e+00, ptr %24, align 8, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #5
  %152 = load ptr, ptr %15, align 8, !tbaa !5
  %153 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver", ptr %28, i32 0, i32 1
  %154 = load i32, ptr %153, align 8, !tbaa !9
  %155 = sext i32 %154 to i64
  %156 = getelementptr inbounds double, ptr %152, i64 %155
  %157 = load double, ptr %156, align 8, !tbaa !17
  store double %157, ptr %25, align 8, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #5
  store double 1.000000e+00, ptr %26, align 8, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 4, ptr %27) #5
  store i32 0, ptr %27, align 4, !tbaa !13
  br label %158

158:                                              ; preds = %197, %151
  %159 = load i32, ptr %27, align 4, !tbaa !13
  %160 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver", ptr %28, i32 0, i32 1
  %161 = load i32, ptr %160, align 8, !tbaa !9
  %162 = icmp slt i32 %159, %161
  br i1 %162, label %164, label %163

163:                                              ; preds = %158
  store i32 11, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #5
  br label %200

164:                                              ; preds = %158
  %165 = load ptr, ptr %17, align 8, !tbaa !5
  %166 = load i32, ptr %27, align 4, !tbaa !13
  %167 = sext i32 %166 to i64
  %168 = getelementptr inbounds double, ptr %165, i64 %167
  %169 = load double, ptr %168, align 8, !tbaa !17
  %170 = load ptr, ptr %14, align 8, !tbaa !5
  %171 = load i32, ptr %23, align 4, !tbaa !13
  %172 = sext i32 %171 to i64
  %173 = getelementptr inbounds double, ptr %170, i64 %172
  %174 = load double, ptr %173, align 8, !tbaa !17
  %175 = load double, ptr %24, align 8, !tbaa !17
  %176 = call double @llvm.fmuladd.f64(double %174, double %175, double %169)
  store double %176, ptr %24, align 8, !tbaa !17
  %177 = load double, ptr %25, align 8, !tbaa !17
  %178 = load ptr, ptr %15, align 8, !tbaa !5
  %179 = getelementptr inbounds %"class.sptk::VandermondeSystemSolver", ptr %28, i32 0, i32 1
  %180 = load i32, ptr %179, align 8, !tbaa !9
  %181 = load i32, ptr %27, align 4, !tbaa !13
  %182 = sub nsw i32 %180, %181
  %183 = sub nsw i32 %182, 1
  %184 = sext i32 %183 to i64
  %185 = getelementptr inbounds double, ptr %178, i64 %184
  %186 = load double, ptr %185, align 8, !tbaa !17
  %187 = load double, ptr %24, align 8, !tbaa !17
  %188 = call double @llvm.fmuladd.f64(double %186, double %187, double %177)
  store double %188, ptr %25, align 8, !tbaa !17
  %189 = load double, ptr %26, align 8, !tbaa !17
  %190 = load ptr, ptr %14, align 8, !tbaa !5
  %191 = load i32, ptr %23, align 4, !tbaa !13
  %192 = sext i32 %191 to i64
  %193 = getelementptr inbounds double, ptr %190, i64 %192
  %194 = load double, ptr %193, align 8, !tbaa !17
  %195 = load double, ptr %24, align 8, !tbaa !17
  %196 = call double @llvm.fmuladd.f64(double %189, double %194, double %195)
  store double %196, ptr %26, align 8, !tbaa !17
  br label %197

197:                                              ; preds = %164
  %198 = load i32, ptr %27, align 4, !tbaa !13
  %199 = add nsw i32 %198, 1
  store i32 %199, ptr %27, align 4, !tbaa !13
  br label %158, !llvm.loop !22

200:                                              ; preds = %163
  %201 = load double, ptr %26, align 8, !tbaa !17
  %202 = fcmp oeq double 0.000000e+00, %201
  br i1 %202, label %203, label %204

203:                                              ; preds = %200
  store i1 false, ptr %6, align 1
  store i32 1, ptr %13, align 4
  br label %212

204:                                              ; preds = %200
  %205 = load double, ptr %25, align 8, !tbaa !17
  %206 = load double, ptr %26, align 8, !tbaa !17
  %207 = fdiv double %205, %206
  %208 = load ptr, ptr %16, align 8, !tbaa !5
  %209 = load i32, ptr %23, align 4, !tbaa !13
  %210 = sext i32 %209 to i64
  %211 = getelementptr inbounds double, ptr %208, i64 %210
  store double %207, ptr %211, align 8, !tbaa !17
  store i32 0, ptr %13, align 4
  br label %212

212:                                              ; preds = %204, %203
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #5
  %213 = load i32, ptr %13, align 4
  switch i32 %213, label %218 [
    i32 0, label %214
  ]

214:                                              ; preds = %212
  br label %215

215:                                              ; preds = %214
  %216 = load i32, ptr %23, align 4, !tbaa !13
  %217 = add nsw i32 %216, 1
  store i32 %217, ptr %23, align 4, !tbaa !13
  br label %145, !llvm.loop !23

218:                                              ; preds = %212, %150
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #5
  %219 = load i32, ptr %13, align 4
  switch i32 %219, label %221 [
    i32 8, label %220
  ]

220:                                              ; preds = %218
  store i1 true, ptr %6, align 1
  store i32 1, ptr %13, align 4
  br label %221

221:                                              ; preds = %220, %218
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %222

222:                                              ; preds = %221, %53
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  %223 = load i1, ptr %6, align 1
  ret i1 %223
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEEdEvT_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #4

attributes #0 = { mustprogress 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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 = { inlinehint mustprogress 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 = { 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"_ZTSN4sptk23VandermondeSystemSolverE", !11, i64 8, !12, i64 12}
!11 = !{!"int", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!11, !11, i64 0}
!14 = !{!10, !12, i64 12}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = !{!18, !18, i64 0}
!18 = !{!"double", !7, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}
!21 = distinct !{!21, !20}
!22 = distinct !{!22, !20}
!23 = distinct !{!23, !20}


; 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 uwtable
define dso_local noundef zeroext i1 @_ZNK4sptk23VandermondeSystemSolver3RunERKSt6vectorIdSaIdEES5_PS3_PNS0_6BufferE(ptr nocapture noundef nonnull readonly align 8 dereferenceable(13) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef %3, ptr noundef %4) local_unnamed_addr #0 align 2 {
  %6 = alloca double, align 8
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load i32, ptr %7, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %0, i64 12
  %10 = load i8, ptr %9, align 4, !tbaa !11, !range !12, !noundef !13
  %11 = trunc nuw i8 %10 to i1
  br i1 %11, label %12, label %.critedge

12:                                               ; preds = %5
  %13 = add i32 %8, 1
  %14 = tail call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  %15 = sext i32 %13 to i64
  %.not = icmp eq i64 %14, %15
  br i1 %.not, label %16, label %.critedge

16:                                               ; preds = %12
  %17 = tail call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %18 = icmp ne i64 %17, %14
  %19 = icmp eq ptr %3, null
  %or.cond = or i1 %19, %18
  %20 = icmp eq ptr %4, null
  %or.cond4 = or i1 %20, %or.cond
  br i1 %or.cond4, label %.critedge, label %21

21:                                               ; preds = %16
  %22 = tail call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %.not80 = icmp eq i64 %22, %14
  br i1 %.not80, label %24, label %23

23:                                               ; preds = %21
  tail call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %14)
  br label %24

24:                                               ; preds = %23, %21
  %25 = getelementptr inbounds i8, ptr %4, i64 8
  %26 = tail call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #6
  %.not81 = icmp eq i64 %26, %14
  br i1 %.not81, label %28, label %27

27:                                               ; preds = %24
  tail call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %25, i64 noundef %14)
  br label %28

28:                                               ; preds = %27, %24
  %29 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %30 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 0) #6
  %31 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %32 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %25, i64 noundef 0) #6
  %33 = tail call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #6
  %34 = tail call ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  store double 0.000000e+00, ptr %6, align 8, !tbaa !14
  call void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEEdEvT_S7_RKT0_(ptr %33, ptr %34, ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  %.not8287 = icmp slt i32 %8, 0
  br i1 %.not8287, label %.preheader, label %.preheader85.preheader

.preheader85.preheader:                           ; preds = %28
  %.promoted = load double, ptr %32, align 8, !tbaa !14
  %wide.trip.count = zext i32 %13 to i64
  %35 = shl nuw nsw i64 %wide.trip.count, 3
  %scevgep129 = getelementptr i8, ptr %29, i64 %35
  %invariant.gep = getelementptr i8, ptr %32, i64 8
  %bound0 = icmp ult ptr %32, %scevgep129
  br label %.preheader85

.preheader85:                                     ; preds = %.preheader85.preheader, %._crit_edge
  %indvars.iv = phi i64 [ 0, %.preheader85.preheader ], [ %indvars.iv.next, %._crit_edge ]
  %36 = phi double [ %.promoted, %.preheader85.preheader ], [ %90, %._crit_edge ]
  %37 = shl nuw nsw i64 %indvars.iv, 3
  %gep = getelementptr i8, ptr %invariant.gep, i64 %37
  %.not104 = icmp eq i64 %indvars.iv, 0
  br i1 %.not104, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader85
  %38 = getelementptr inbounds double, ptr %29, i64 %indvars.iv
  %min.iters.check = icmp ult i64 %indvars.iv, 4
  %bound1 = icmp ult ptr %29, %gep
  %found.conflict = and i1 %bound0, %bound1
  %or.cond149 = select i1 %min.iters.check, i1 true, i1 %found.conflict
  br i1 %or.cond149, label %scalar.ph.preheader, label %vector.ph

scalar.ph.preheader:                              ; preds = %middle.block, %.lr.ph
  %indvars.iv108.ph = phi i64 [ %indvars.iv, %.lr.ph ], [ %ind.end, %middle.block ]
  br label %scalar.ph

vector.ph:                                        ; preds = %.lr.ph
  %n.vec = and i64 %indvars.iv, 9223372036854775804
  %ind.end = and i64 %indvars.iv, 3
  %39 = load double, ptr %38, align 8, !tbaa !14, !alias.scope !16
  %broadcast.splatinsert136 = insertelement <2 x double> poison, double %39, i64 0
  %40 = shufflevector <2 x double> %broadcast.splatinsert136, <2 x double> poison, <2 x i32> zeroinitializer
  %41 = fneg <2 x double> %40
  %42 = shufflevector <2 x double> %broadcast.splatinsert136, <2 x double> poison, <2 x i32> zeroinitializer
  %43 = fneg <2 x double> %42
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %offset.idx = sub i64 %indvars.iv, %index
  %44 = getelementptr double, ptr %32, i64 %offset.idx
  %45 = getelementptr i8, ptr %44, i64 -16
  %46 = getelementptr i8, ptr %44, i64 -32
  %wide.load = load <2 x double>, ptr %45, align 8, !tbaa !14, !alias.scope !19, !noalias !16
  %wide.load130 = load <2 x double>, ptr %46, align 8, !tbaa !14, !alias.scope !19, !noalias !16
  %47 = getelementptr i8, ptr %44, i64 -8
  %48 = getelementptr i8, ptr %44, i64 -24
  %wide.load132 = load <2 x double>, ptr %47, align 8, !tbaa !14, !alias.scope !19, !noalias !16
  %wide.load134 = load <2 x double>, ptr %48, align 8, !tbaa !14, !alias.scope !19, !noalias !16
  %reverse138 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %41, <2 x double> %wide.load, <2 x double> %wide.load132)
  store <2 x double> %reverse138, ptr %47, align 8, !tbaa !14, !alias.scope !19, !noalias !16
  %reverse139 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %43, <2 x double> %wide.load130, <2 x double> %wide.load134)
  store <2 x double> %reverse139, ptr %48, align 8, !tbaa !14, !alias.scope !19, !noalias !16
  %index.next = add nuw i64 %index, 4
  %49 = icmp eq i64 %index.next, %n.vec
  br i1 %49, label %middle.block, label %vector.body, !llvm.loop !21

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %indvars.iv, %n.vec
  br i1 %cmp.n, label %._crit_edge, label %scalar.ph.preheader

.preheader:                                       ; preds = %._crit_edge, %28
  %50 = load i32, ptr %7, align 8, !tbaa !5
  %.not8397 = icmp slt i32 %50, 0
  br i1 %.not8397, label %.critedge, label %.lr.ph99

.lr.ph99:                                         ; preds = %.preheader
  %51 = zext nneg i32 %50 to i64
  %52 = getelementptr inbounds double, ptr %30, i64 %51
  %.not105 = icmp eq i32 %50, 0
  br i1 %.not105, label %.critedge.loopexit, label %.lr.ph94.us.preheader

.lr.ph94.us.preheader:                            ; preds = %.lr.ph99
  %53 = zext nneg i32 %50 to i64
  %54 = add nuw i32 %50, 1
  %wide.trip.count120 = zext i32 %54 to i64
  %55 = getelementptr double, ptr %30, i64 %53
  %xtraiter = and i64 %51, 1
  %56 = icmp eq i32 %50, 1
  %unroll_iter = and i64 %51, 2147483646
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br label %.lr.ph94.us

.lr.ph94.us:                                      ; preds = %.lr.ph94.us.preheader, %60
  %indvars.iv117 = phi i64 [ 0, %.lr.ph94.us.preheader ], [ %indvars.iv.next118, %60 ]
  %57 = load double, ptr %52, align 8, !tbaa !14
  %58 = getelementptr inbounds double, ptr %29, i64 %indvars.iv117
  %59 = load double, ptr %58, align 8, !tbaa !14
  br i1 %56, label %._crit_edge95.us.unr-lcssa, label %.lr.ph94.us.new

60:                                               ; preds = %._crit_edge95.us
  %61 = fdiv double %.lcssa141, %.lcssa
  %62 = getelementptr inbounds double, ptr %31, i64 %indvars.iv117
  store double %61, ptr %62, align 8, !tbaa !14
  %indvars.iv.next118 = add nuw nsw i64 %indvars.iv117, 1
  %exitcond121.not = icmp eq i64 %indvars.iv.next118, %wide.trip.count120
  br i1 %exitcond121.not, label %.critedge, label %.lr.ph94.us, !llvm.loop !25

.lr.ph94.us.new:                                  ; preds = %.lr.ph94.us, %.lr.ph94.us.new
  %indvars.iv112 = phi i64 [ %indvars.iv.next113.1, %.lr.ph94.us.new ], [ 0, %.lr.ph94.us ]
  %.06691.us = phi double [ %78, %.lr.ph94.us.new ], [ 1.000000e+00, %.lr.ph94.us ]
  %.06790.us = phi double [ %77, %.lr.ph94.us.new ], [ %57, %.lr.ph94.us ]
  %.06889.us = phi double [ %73, %.lr.ph94.us.new ], [ 1.000000e+00, %.lr.ph94.us ]
  %niter = phi i64 [ %niter.next.1, %.lr.ph94.us.new ], [ 0, %.lr.ph94.us ]
  %63 = getelementptr inbounds double, ptr %32, i64 %indvars.iv112
  %64 = load double, ptr %63, align 8, !tbaa !14
  %65 = call double @llvm.fmuladd.f64(double %59, double %.06889.us, double %64)
  %66 = xor i64 %indvars.iv112, -1
  %67 = getelementptr double, ptr %55, i64 %66
  %68 = load double, ptr %67, align 8, !tbaa !14
  %69 = call double @llvm.fmuladd.f64(double %68, double %65, double %.06790.us)
  %70 = call double @llvm.fmuladd.f64(double %.06691.us, double %59, double %65)
  %indvars.iv.next113 = or disjoint i64 %indvars.iv112, 1
  %71 = getelementptr inbounds double, ptr %32, i64 %indvars.iv.next113
  %72 = load double, ptr %71, align 8, !tbaa !14
  %73 = call double @llvm.fmuladd.f64(double %59, double %65, double %72)
  %74 = xor i64 %indvars.iv112, -2
  %75 = getelementptr double, ptr %55, i64 %74
  %76 = load double, ptr %75, align 8, !tbaa !14
  %77 = call double @llvm.fmuladd.f64(double %76, double %73, double %69)
  %78 = call double @llvm.fmuladd.f64(double %70, double %59, double %73)
  %indvars.iv.next113.1 = add nuw nsw i64 %indvars.iv112, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge95.us.unr-lcssa, label %.lr.ph94.us.new, !llvm.loop !26

._crit_edge95.us.unr-lcssa:                       ; preds = %.lr.ph94.us.new, %.lr.ph94.us
  %.lcssa141.ph = phi double [ poison, %.lr.ph94.us ], [ %77, %.lr.ph94.us.new ]
  %.lcssa.ph = phi double [ poison, %.lr.ph94.us ], [ %78, %.lr.ph94.us.new ]
  %indvars.iv112.unr = phi i64 [ 0, %.lr.ph94.us ], [ %indvars.iv.next113.1, %.lr.ph94.us.new ]
  %.06691.us.unr = phi double [ 1.000000e+00, %.lr.ph94.us ], [ %78, %.lr.ph94.us.new ]
  %.06790.us.unr = phi double [ %57, %.lr.ph94.us ], [ %77, %.lr.ph94.us.new ]
  %.06889.us.unr = phi double [ 1.000000e+00, %.lr.ph94.us ], [ %73, %.lr.ph94.us.new ]
  br i1 %lcmp.mod.not, label %._crit_edge95.us, label %._crit_edge95.us.epilog-lcssa

._crit_edge95.us.epilog-lcssa:                    ; preds = %._crit_edge95.us.unr-lcssa
  %79 = getelementptr inbounds double, ptr %32, i64 %indvars.iv112.unr
  %80 = load double, ptr %79, align 8, !tbaa !14
  %81 = call double @llvm.fmuladd.f64(double %59, double %.06889.us.unr, double %80)
  %82 = xor i64 %indvars.iv112.unr, -1
  %83 = getelementptr double, ptr %55, i64 %82
  %84 = load double, ptr %83, align 8, !tbaa !14
  %85 = call double @llvm.fmuladd.f64(double %84, double %81, double %.06790.us.unr)
  %86 = call double @llvm.fmuladd.f64(double %.06691.us.unr, double %59, double %81)
  br label %._crit_edge95.us

._crit_edge95.us:                                 ; preds = %._crit_edge95.us.unr-lcssa, %._crit_edge95.us.epilog-lcssa
  %.lcssa141 = phi double [ %.lcssa141.ph, %._crit_edge95.us.unr-lcssa ], [ %85, %._crit_edge95.us.epilog-lcssa ]
  %.lcssa = phi double [ %.lcssa.ph, %._crit_edge95.us.unr-lcssa ], [ %86, %._crit_edge95.us.epilog-lcssa ]
  %87 = fcmp une double %.lcssa, 0.000000e+00
  br i1 %87, label %60, label %.critedge

._crit_edge:                                      ; preds = %scalar.ph, %middle.block, %.preheader85
  %88 = getelementptr inbounds double, ptr %29, i64 %indvars.iv
  %89 = load double, ptr %88, align 8, !tbaa !14
  %90 = fsub double %36, %89
  store double %90, ptr %32, align 8, !tbaa !14
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.preheader, label %.preheader85, !llvm.loop !27

scalar.ph:                                        ; preds = %scalar.ph.preheader, %scalar.ph
  %indvars.iv108 = phi i64 [ %indvars.iv.next109, %scalar.ph ], [ %indvars.iv108.ph, %scalar.ph.preheader ]
  %91 = load double, ptr %38, align 8, !tbaa !14
  %92 = getelementptr double, ptr %32, i64 %indvars.iv108
  %93 = getelementptr i8, ptr %92, i64 -8
  %94 = load double, ptr %93, align 8, !tbaa !14
  %95 = load double, ptr %92, align 8, !tbaa !14
  %96 = fneg double %91
  %97 = call double @llvm.fmuladd.f64(double %96, double %94, double %95)
  store double %97, ptr %92, align 8, !tbaa !14
  %indvars.iv.next109 = add nsw i64 %indvars.iv108, -1
  %98 = icmp sgt i64 %indvars.iv108, 1
  br i1 %98, label %scalar.ph, label %._crit_edge, !llvm.loop !28

.critedge.loopexit:                               ; preds = %.lr.ph99
  %.pre = load double, ptr %52, align 8, !tbaa !14
  store double %.pre, ptr %31, align 8, !tbaa !14
  br label %.critedge

.critedge:                                        ; preds = %._crit_edge95.us, %60, %.critedge.loopexit, %.preheader, %5, %12, %16
  %.4 = phi i1 [ false, %16 ], [ false, %12 ], [ false, %5 ], [ true, %.preheader ], [ true, %.critedge.loopexit ], [ %87, %60 ], [ %87, %._crit_edge95.us ]
  ret i1 %.4
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEEdEvT_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #4

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <2 x double> @llvm.fmuladd.v2f64(<2 x double>, <2 x double>, <2 x double>) #5

attributes #0 = { mustprogress 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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 = { inlinehint mustprogress 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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { 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 = !{!"_ZTSN4sptk23VandermondeSystemSolverE", !7, i64 8, !10, i64 12}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{!6, !10, i64 12}
!12 = !{i8 0, i8 2}
!13 = !{}
!14 = !{!15, !15, i64 0}
!15 = !{!"double", !8, i64 0}
!16 = !{!17}
!17 = distinct !{!17, !18}
!18 = distinct !{!18, !"LVerDomain"}
!19 = !{!20}
!20 = distinct !{!20, !18}
!21 = distinct !{!21, !22, !23, !24}
!22 = !{!"llvm.loop.mustprogress"}
!23 = !{!"llvm.loop.isvectorized", i32 1}
!24 = !{!"llvm.loop.unroll.runtime.disable"}
!25 = distinct !{!25, !22}
!26 = distinct !{!26, !22}
!27 = distinct !{!27, !22}
!28 = distinct !{!28, !22, !23}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass,VectorCombinePass