; LLVM IR from sp-nitech/SPTK :: src/analysis (fast_fourier_transform_cepstral_analysis)

; 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.0" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%class.anon = type { i8 }
%"class.sptk::FastFourierTransformCepstralAnalysis" = type <{ ptr, i32, i32, double, %"class.sptk::RealValuedFastFourierTransform", %"class.sptk::RealValuedInverseFastFourierTransform", i8, [7 x i8] }>
%"class.sptk::RealValuedFastFourierTransform" = type { ptr, i32, i32, i32, %"class.sptk::FastFourierTransform", i8, %"class.std::vector" }
%"class.sptk::FastFourierTransform" = type { ptr, i32, i32, i32, i8, %"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 }
%"class.sptk::RealValuedInverseFastFourierTransform" = type { ptr, %"class.sptk::RealValuedFastFourierTransform" }
%"class.sptk::FastFourierTransformCepstralAnalysis::Buffer" = type { ptr, %"class.std::vector", %"class.std::vector", %"class.sptk::RealValuedFastFourierTransform::Buffer", %"class.sptk::RealValuedInverseFastFourierTransform::Buffer" }
%"class.sptk::RealValuedFastFourierTransform::Buffer" = type { ptr, %"class.std::vector", %"class.std::vector" }
%"class.sptk::RealValuedInverseFastFourierTransform::Buffer" = type { ptr, %"class.sptk::RealValuedFastFourierTransform::Buffer" }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK4sptk36FastFourierTransformCepstralAnalysis3RunERKSt6vectorIdSaIdEEPS3_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(241) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef %2, ptr noundef %3) #0 align 2 {
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %class.anon, align 1
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %24 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %25 = alloca ptr, align 8
  %26 = alloca ptr, align 8
  %27 = alloca i32, align 4
  %28 = alloca i32, align 4
  %29 = alloca i32, align 4
  %30 = alloca i32, align 4
  %31 = alloca i32, align 4
  %32 = alloca double, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  %33 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %34 = call noundef i32 @_ZNK4sptk36FastFourierTransformCepstralAnalysis12GetFftLengthEv(ptr noundef nonnull align 8 dereferenceable(241) %33)
  store i32 %34, ptr %10, align 4, !tbaa !9
  %35 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 6
  %36 = load i8, ptr %35, align 8, !tbaa !11, !range !22, !noundef !23
  %37 = trunc i8 %36 to i1
  br i1 %37, label %38, label %52

38:                                               ; preds = %4
  %39 = load ptr, ptr %7, align 8, !tbaa !5
  %40 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %39) #4
  %41 = load i32, ptr %10, align 4, !tbaa !9
  %42 = sdiv i32 %41, 2
  %43 = add nsw i32 %42, 1
  %44 = sext i32 %43 to i64
  %45 = icmp ne i64 %40, %44
  br i1 %45, label %52, label %46

46:                                               ; preds = %38
  %47 = load ptr, ptr %8, align 8, !tbaa !5
  %48 = icmp eq ptr null, %47
  br i1 %48, label %52, label %49

49:                                               ; preds = %46
  %50 = load ptr, ptr %9, align 8, !tbaa !5
  %51 = icmp eq ptr null, %50
  br i1 %51, label %52, label %53

52:                                               ; preds = %49, %46, %38, %4
  store i1 false, ptr %5, align 1
  store i32 1, ptr %11, align 4
  br label %299

53:                                               ; preds = %49
  %54 = load ptr, ptr %8, align 8, !tbaa !5
  %55 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %54) #4
  %56 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 1
  %57 = load i32, ptr %56, align 8, !tbaa !24
  %58 = add nsw i32 %57, 1
  %59 = sext i32 %58 to i64
  %60 = icmp ne i64 %55, %59
  br i1 %60, label %61, label %67

61:                                               ; preds = %53
  %62 = load ptr, ptr %8, align 8, !tbaa !5
  %63 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 1
  %64 = load i32, ptr %63, align 8, !tbaa !24
  %65 = add nsw i32 %64, 1
  %66 = sext i32 %65 to i64
  call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %62, i64 noundef %66)
  br label %67

67:                                               ; preds = %61, %53
  %68 = load ptr, ptr %9, align 8, !tbaa !5
  %69 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %68, i32 0, i32 1
  %70 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %69) #4
  %71 = load i32, ptr %10, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = icmp ne i64 %70, %72
  br i1 %73, label %74, label %79

74:                                               ; preds = %67
  %75 = load ptr, ptr %9, align 8, !tbaa !5
  %76 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %75, i32 0, i32 1
  %77 = load i32, ptr %10, align 4, !tbaa !9
  %78 = sext i32 %77 to i64
  call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %76, i64 noundef %78)
  br label %79

79:                                               ; preds = %74, %67
  %80 = load ptr, ptr %7, align 8, !tbaa !5
  %81 = call ptr @_ZNKSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %80) #4
  %82 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %12, i32 0, i32 0
  store ptr %81, ptr %82, align 8
  %83 = load ptr, ptr %7, align 8, !tbaa !5
  %84 = call ptr @_ZNKSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %83) #4
  %85 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %13, i32 0, i32 0
  store ptr %84, ptr %85, align 8
  %86 = load ptr, ptr %9, align 8, !tbaa !5
  %87 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %86, i32 0, i32 1
  %88 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %87) #4
  %89 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %88, ptr %89, align 8
  %90 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %12, i32 0, i32 0
  %91 = load ptr, ptr %90, align 8
  %92 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %13, i32 0, i32 0
  %93 = load ptr, ptr %92, align 8
  %94 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %95 = load ptr, ptr %94, align 8
  %96 = call ptr @"_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPKdSt6vectorIdSaIdEEEENS1_IPdS6_EEZNK4sptk36FastFourierTransformCepstralAnalysis3RunERKS6_PS6_PNSB_6BufferEE3$_0ET0_T_SJ_SI_T1_"(ptr %91, ptr %93, ptr %95)
  %97 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %96, ptr %97, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %98 = load ptr, ptr %9, align 8, !tbaa !5
  %99 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %98, i32 0, i32 1
  %100 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %99) #4
  %101 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %100, ptr %101, align 8
  %102 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %18, i64 noundef 1) #4
  %103 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %102, ptr %103, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #4
  %104 = load ptr, ptr %9, align 8, !tbaa !5
  %105 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %104, i32 0, i32 1
  %106 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %105) #4
  %107 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %106, ptr %107, align 8
  %108 = load ptr, ptr %7, align 8, !tbaa !5
  %109 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %108) #4
  %110 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %21, i64 noundef %109) #4
  %111 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %110, ptr %111, align 8
  %112 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEmiEl(ptr noundef nonnull align 8 dereferenceable(8) %20, i64 noundef 1) #4
  %113 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %112, ptr %113, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #4
  %114 = load ptr, ptr %9, align 8, !tbaa !5
  %115 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %114, i32 0, i32 1
  %116 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %115) #4
  %117 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %23, i32 0, i32 0
  store ptr %116, ptr %117, align 8
  %118 = load ptr, ptr %7, align 8, !tbaa !5
  %119 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %118) #4
  %120 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %23, i64 noundef %119) #4
  %121 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %120, ptr %121, align 8
  %122 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  %123 = load ptr, ptr %122, align 8
  %124 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  %125 = load ptr, ptr %124, align 8
  %126 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  %127 = load ptr, ptr %126, align 8
  %128 = call ptr @_ZSt12reverse_copyIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEES6_ET0_T_S8_S7_(ptr %123, ptr %125, ptr %127)
  %129 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %24, i32 0, i32 0
  store ptr %128, ptr %129, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  %130 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 5
  %131 = load ptr, ptr %9, align 8, !tbaa !5
  %132 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %131, i32 0, i32 1
  %133 = load ptr, ptr %9, align 8, !tbaa !5
  %134 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %133, i32 0, i32 2
  %135 = load ptr, ptr %9, align 8, !tbaa !5
  %136 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %135, i32 0, i32 4
  %137 = call noundef zeroext i1 @_ZNK4sptk37RealValuedInverseFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(112) %130, ptr noundef %132, ptr noundef %134, ptr noundef %136)
  br i1 %137, label %139, label %138

138:                                              ; preds = %79
  store i1 false, ptr %5, align 1
  store i32 1, ptr %11, align 4
  br label %299

139:                                              ; preds = %79
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #4
  %140 = load ptr, ptr %8, align 8, !tbaa !5
  %141 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %140, i64 noundef 0) #4
  store ptr %141, ptr %25, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #4
  %142 = load ptr, ptr %9, align 8, !tbaa !5
  %143 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %142, i32 0, i32 1
  %144 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %143, i64 noundef 0) #4
  store ptr %144, ptr %26, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %27) #4
  store i32 0, ptr %27, align 4, !tbaa !9
  br label %145

145:                                              ; preds = %165, %139
  %146 = load i32, ptr %27, align 4, !tbaa !9
  %147 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 1
  %148 = load i32, ptr %147, align 8, !tbaa !24
  %149 = icmp sle i32 %146, %148
  br i1 %149, label %151, label %150

150:                                              ; preds = %145
  store i32 2, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #4
  br label %168

151:                                              ; preds = %145
  %152 = load ptr, ptr %26, align 8, !tbaa !5
  %153 = load i32, ptr %27, align 4, !tbaa !9
  %154 = sext i32 %153 to i64
  %155 = getelementptr inbounds double, ptr %152, i64 %154
  %156 = load double, ptr %155, align 8, !tbaa !25
  %157 = load ptr, ptr %25, align 8, !tbaa !5
  %158 = load i32, ptr %27, align 4, !tbaa !9
  %159 = sext i32 %158 to i64
  %160 = getelementptr inbounds double, ptr %157, i64 %159
  store double %156, ptr %160, align 8, !tbaa !25
  %161 = load ptr, ptr %26, align 8, !tbaa !5
  %162 = load i32, ptr %27, align 4, !tbaa !9
  %163 = sext i32 %162 to i64
  %164 = getelementptr inbounds double, ptr %161, i64 %163
  store double 0.000000e+00, ptr %164, align 8, !tbaa !25
  br label %165

165:                                              ; preds = %151
  %166 = load i32, ptr %27, align 4, !tbaa !9
  %167 = add nsw i32 %166, 1
  store i32 %167, ptr %27, align 4, !tbaa !9
  br label %145, !llvm.loop !26

168:                                              ; preds = %150
  call void @llvm.lifetime.start.p0(i64 4, ptr %28) #4
  store i32 0, ptr %28, align 4, !tbaa !9
  br label %169

169:                                              ; preds = %274, %168
  %170 = load i32, ptr %28, align 4, !tbaa !9
  %171 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 2
  %172 = load i32, ptr %171, align 4, !tbaa !28
  %173 = icmp slt i32 %170, %172
  br i1 %173, label %175, label %174

174:                                              ; preds = %169
  store i32 5, ptr %11, align 4
  br label %277

175:                                              ; preds = %169
  call void @llvm.lifetime.start.p0(i64 4, ptr %29) #4
  store i32 1, ptr %29, align 4, !tbaa !9
  br label %176

176:                                              ; preds = %194, %175
  %177 = load i32, ptr %29, align 4, !tbaa !9
  %178 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 1
  %179 = load i32, ptr %178, align 8, !tbaa !24
  %180 = icmp sle i32 %177, %179
  br i1 %180, label %182, label %181

181:                                              ; preds = %176
  store i32 8, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %29) #4
  br label %197

182:                                              ; preds = %176
  %183 = load ptr, ptr %26, align 8, !tbaa !5
  %184 = load i32, ptr %29, align 4, !tbaa !9
  %185 = sext i32 %184 to i64
  %186 = getelementptr inbounds double, ptr %183, i64 %185
  %187 = load double, ptr %186, align 8, !tbaa !25
  %188 = load ptr, ptr %26, align 8, !tbaa !5
  %189 = load i32, ptr %10, align 4, !tbaa !9
  %190 = load i32, ptr %29, align 4, !tbaa !9
  %191 = sub nsw i32 %189, %190
  %192 = sext i32 %191 to i64
  %193 = getelementptr inbounds double, ptr %188, i64 %192
  store double %187, ptr %193, align 8, !tbaa !25
  br label %194

194:                                              ; preds = %182
  %195 = load i32, ptr %29, align 4, !tbaa !9
  %196 = add nsw i32 %195, 1
  store i32 %196, ptr %29, align 4, !tbaa !9
  br label %176, !llvm.loop !29

197:                                              ; preds = %181
  %198 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 4
  %199 = load ptr, ptr %9, align 8, !tbaa !5
  %200 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %199, i32 0, i32 1
  %201 = load ptr, ptr %9, align 8, !tbaa !5
  %202 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %201, i32 0, i32 2
  %203 = load ptr, ptr %9, align 8, !tbaa !5
  %204 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %203, i32 0, i32 3
  %205 = call noundef zeroext i1 @_ZNK4sptk30RealValuedFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(104) %198, ptr noundef %200, ptr noundef %202, ptr noundef %204)
  br i1 %205, label %207, label %206

206:                                              ; preds = %197
  store i1 false, ptr %5, align 1
  store i32 1, ptr %11, align 4
  br label %277

207:                                              ; preds = %197
  call void @llvm.lifetime.start.p0(i64 4, ptr %30) #4
  store i32 0, ptr %30, align 4, !tbaa !9
  br label %208

208:                                              ; preds = %226, %207
  %209 = load i32, ptr %30, align 4, !tbaa !9
  %210 = load i32, ptr %10, align 4, !tbaa !9
  %211 = icmp slt i32 %209, %210
  br i1 %211, label %213, label %212

212:                                              ; preds = %208
  store i32 11, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %30) #4
  br label %229

213:                                              ; preds = %208
  %214 = load ptr, ptr %26, align 8, !tbaa !5
  %215 = load i32, ptr %30, align 4, !tbaa !9
  %216 = sext i32 %215 to i64
  %217 = getelementptr inbounds double, ptr %214, i64 %216
  %218 = load double, ptr %217, align 8, !tbaa !25
  %219 = fcmp olt double %218, 0.000000e+00
  br i1 %219, label %220, label %225

220:                                              ; preds = %213
  %221 = load ptr, ptr %26, align 8, !tbaa !5
  %222 = load i32, ptr %30, align 4, !tbaa !9
  %223 = sext i32 %222 to i64
  %224 = getelementptr inbounds double, ptr %221, i64 %223
  store double 0.000000e+00, ptr %224, align 8, !tbaa !25
  br label %225

225:                                              ; preds = %220, %213
  br label %226

226:                                              ; preds = %225
  %227 = load i32, ptr %30, align 4, !tbaa !9
  %228 = add nsw i32 %227, 1
  store i32 %228, ptr %30, align 4, !tbaa !9
  br label %208, !llvm.loop !30

229:                                              ; preds = %212
  %230 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 5
  %231 = load ptr, ptr %9, align 8, !tbaa !5
  %232 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %231, i32 0, i32 1
  %233 = load ptr, ptr %9, align 8, !tbaa !5
  %234 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %233, i32 0, i32 2
  %235 = load ptr, ptr %9, align 8, !tbaa !5
  %236 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis::Buffer", ptr %235, i32 0, i32 4
  %237 = call noundef zeroext i1 @_ZNK4sptk37RealValuedInverseFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(112) %230, ptr noundef %232, ptr noundef %234, ptr noundef %236)
  br i1 %237, label %239, label %238

238:                                              ; preds = %229
  store i1 false, ptr %5, align 1
  store i32 1, ptr %11, align 4
  br label %277

239:                                              ; preds = %229
  call void @llvm.lifetime.start.p0(i64 4, ptr %31) #4
  store i32 0, ptr %31, align 4, !tbaa !9
  br label %240

240:                                              ; preds = %270, %239
  %241 = load i32, ptr %31, align 4, !tbaa !9
  %242 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 1
  %243 = load i32, ptr %242, align 8, !tbaa !24
  %244 = icmp sle i32 %241, %243
  br i1 %244, label %246, label %245

245:                                              ; preds = %240
  store i32 14, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %31) #4
  br label %273

246:                                              ; preds = %240
  call void @llvm.lifetime.start.p0(i64 8, ptr %32) #4
  %247 = load ptr, ptr %26, align 8, !tbaa !5
  %248 = load i32, ptr %31, align 4, !tbaa !9
  %249 = sext i32 %248 to i64
  %250 = getelementptr inbounds double, ptr %247, i64 %249
  %251 = load double, ptr %250, align 8, !tbaa !25
  %252 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 3
  %253 = load double, ptr %252, align 8, !tbaa !31
  %254 = fadd double 1.000000e+00, %253
  %255 = fmul double %251, %254
  store double %255, ptr %32, align 8, !tbaa !25
  %256 = load double, ptr %32, align 8, !tbaa !25
  %257 = load ptr, ptr %25, align 8, !tbaa !5
  %258 = load i32, ptr %31, align 4, !tbaa !9
  %259 = sext i32 %258 to i64
  %260 = getelementptr inbounds double, ptr %257, i64 %259
  %261 = load double, ptr %260, align 8, !tbaa !25
  %262 = fadd double %261, %256
  store double %262, ptr %260, align 8, !tbaa !25
  %263 = load double, ptr %32, align 8, !tbaa !25
  %264 = load ptr, ptr %26, align 8, !tbaa !5
  %265 = load i32, ptr %31, align 4, !tbaa !9
  %266 = sext i32 %265 to i64
  %267 = getelementptr inbounds double, ptr %264, i64 %266
  %268 = load double, ptr %267, align 8, !tbaa !25
  %269 = fsub double %268, %263
  store double %269, ptr %267, align 8, !tbaa !25
  call void @llvm.lifetime.end.p0(i64 8, ptr %32) #4
  br label %270

270:                                              ; preds = %246
  %271 = load i32, ptr %31, align 4, !tbaa !9
  %272 = add nsw i32 %271, 1
  store i32 %272, ptr %31, align 4, !tbaa !9
  br label %240, !llvm.loop !32

273:                                              ; preds = %245
  br label %274

274:                                              ; preds = %273
  %275 = load i32, ptr %28, align 4, !tbaa !9
  %276 = add nsw i32 %275, 1
  store i32 %276, ptr %28, align 4, !tbaa !9
  br label %169, !llvm.loop !33

277:                                              ; preds = %238, %206, %174
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #4
  %278 = load i32, ptr %11, align 4
  switch i32 %278, label %298 [
    i32 5, label %279
  ]

279:                                              ; preds = %277
  %280 = load ptr, ptr %25, align 8, !tbaa !5
  %281 = getelementptr inbounds double, ptr %280, i64 0
  %282 = load double, ptr %281, align 8, !tbaa !25
  %283 = fmul double %282, 5.000000e-01
  store double %283, ptr %281, align 8, !tbaa !25
  %284 = load i32, ptr %10, align 4, !tbaa !9
  %285 = sdiv i32 %284, 2
  %286 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 1
  %287 = load i32, ptr %286, align 8, !tbaa !24
  %288 = icmp eq i32 %285, %287
  br i1 %288, label %289, label %297

289:                                              ; preds = %279
  %290 = load ptr, ptr %25, align 8, !tbaa !5
  %291 = getelementptr inbounds %"class.sptk::FastFourierTransformCepstralAnalysis", ptr %33, i32 0, i32 1
  %292 = load i32, ptr %291, align 8, !tbaa !24
  %293 = sext i32 %292 to i64
  %294 = getelementptr inbounds double, ptr %290, i64 %293
  %295 = load double, ptr %294, align 8, !tbaa !25
  %296 = fmul double %295, 5.000000e-01
  store double %296, ptr %294, align 8, !tbaa !25
  br label %297

297:                                              ; preds = %289, %279
  store i1 true, ptr %5, align 1
  store i32 1, ptr %11, align 4
  br label %298

298:                                              ; preds = %297, %277
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #4
  br label %299

299:                                              ; preds = %298, %138, %52
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  %300 = load i1, ptr %5, align 1
  ret i1 %300
}

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNK4sptk36FastFourierTransformCepstralAnalysis12GetFftLengthEv(ptr noundef nonnull align 8 dereferenceable(241)) #0 align 2

; 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 uwtable
declare hidden ptr @"_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPKdSt6vectorIdSaIdEEEENS1_IPdS6_EEZNK4sptk36FastFourierTransformCepstralAnalysis3RunERKS6_PS6_PNSB_6BufferEE3$_0ET0_T_SJ_SI_T1_"(ptr, ptr, ptr) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; 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 @_ZSt12reverse_copyIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEES6_ET0_T_S8_S7_(ptr, ptr, ptr) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEmiEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #2 align 2

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

declare noundef zeroext i1 @_ZNK4sptk37RealValuedInverseFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef, ptr noundef, ptr noundef) #3

; 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

declare noundef zeroext i1 @_ZNK4sptk30RealValuedFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(104), ptr noundef, ptr noundef, ptr noundef) #3

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 = { "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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !16, i64 240}
!12 = !{!"_ZTSN4sptk36FastFourierTransformCepstralAnalysisE", !10, i64 8, !10, i64 12, !13, i64 16, !14, i64 24, !21, i64 128, !16, i64 240}
!13 = !{!"double", !7, i64 0}
!14 = !{!"_ZTSN4sptk30RealValuedFastFourierTransformE", !10, i64 8, !10, i64 12, !10, i64 16, !15, i64 24, !16, i64 72, !17, i64 80}
!15 = !{!"_ZTSN4sptk20FastFourierTransformE", !10, i64 8, !10, i64 12, !10, i64 16, !16, i64 20, !17, i64 24}
!16 = !{!"bool", !7, i64 0}
!17 = !{!"_ZTSSt6vectorIdSaIdEE", !18, i64 0}
!18 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!21 = !{!"_ZTSN4sptk37RealValuedInverseFastFourierTransformE", !14, i64 8}
!22 = !{i8 0, i8 2}
!23 = !{}
!24 = !{!12, !10, i64 8}
!25 = !{!13, !13, i64 0}
!26 = distinct !{!26, !27}
!27 = !{!"llvm.loop.mustprogress"}
!28 = !{!12, !10, i64 12}
!29 = distinct !{!29, !27}
!30 = distinct !{!30, !27}
!31 = !{!12, !13, i64 16}
!32 = distinct !{!32, !27}
!33 = distinct !{!33, !27}


; 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"

%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK4sptk36FastFourierTransformCepstralAnalysis3RunERKSt6vectorIdSaIdEEPS3_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(241) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 align 2 {
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = tail call noundef i32 @_ZNK4sptk36FastFourierTransformCepstralAnalysis12GetFftLengthEv(ptr noundef nonnull align 8 dereferenceable(241) %0)
  %10 = getelementptr inbounds i8, ptr %0, i64 240
  %11 = load i8, ptr %10, align 8, !tbaa !5, !range !20, !noundef !21
  %12 = trunc nuw i8 %11 to i1
  br i1 %12, label %13, label %.loopexit

13:                                               ; preds = %4
  %14 = tail call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %15 = sdiv i32 %9, 2
  %16 = add nsw i32 %15, 1
  %17 = sext i32 %16 to i64
  %18 = icmp ne i64 %14, %17
  %19 = icmp eq ptr %2, null
  %or.cond = or i1 %19, %18
  %20 = icmp eq ptr %3, null
  %or.cond3 = or i1 %20, %or.cond
  br i1 %or.cond3, label %.loopexit, label %21

21:                                               ; preds = %13
  %22 = tail call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  %23 = getelementptr inbounds i8, ptr %0, i64 8
  %24 = load i32, ptr %23, align 8, !tbaa !22
  %25 = add nsw i32 %24, 1
  %26 = sext i32 %25 to i64
  %.not = icmp eq i64 %22, %26
  br i1 %.not, label %28, label %27

27:                                               ; preds = %21
  tail call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %26)
  br label %28

28:                                               ; preds = %27, %21
  %29 = getelementptr inbounds i8, ptr %3, i64 8
  %30 = tail call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #4
  %31 = sext i32 %9 to i64
  %.not88 = icmp eq i64 %30, %31
  br i1 %.not88, label %33, label %32

32:                                               ; preds = %28
  tail call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef %31)
  br label %33

33:                                               ; preds = %32, %28
  %34 = tail call ptr @_ZNKSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %35 = tail call ptr @_ZNKSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %36 = tail call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #4
  %37 = tail call ptr @"_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPKdSt6vectorIdSaIdEEEENS1_IPdS6_EEZNK4sptk36FastFourierTransformCepstralAnalysis3RunERKS6_PS6_PNSB_6BufferEE3$_0ET0_T_SJ_SI_T1_"(ptr %34, ptr %35, ptr %36)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %38 = tail call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #4
  store ptr %38, ptr %5, align 8
  %39 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %5, i64 noundef 1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %40 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #4
  store ptr %40, ptr %7, align 8
  %41 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %42 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %7, i64 noundef %41) #4
  store ptr %42, ptr %6, align 8
  %43 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEmiEl(ptr noundef nonnull align 8 dereferenceable(8) %6, i64 noundef 1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %44 = call ptr @_ZNSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #4
  store ptr %44, ptr %8, align 8
  %45 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %46 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %8, i64 noundef %45) #4
  %47 = call ptr @_ZSt12reverse_copyIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEES6_ET0_T_S8_S7_(ptr %39, ptr %43, ptr %46)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %48 = getelementptr inbounds i8, ptr %0, i64 128
  %49 = getelementptr inbounds i8, ptr %3, i64 32
  %50 = getelementptr inbounds i8, ptr %3, i64 112
  %51 = call noundef zeroext i1 @_ZNK4sptk37RealValuedInverseFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(112) %48, ptr noundef nonnull %29, ptr noundef nonnull %49, ptr noundef nonnull %50)
  br i1 %51, label %52, label %.loopexit

52:                                               ; preds = %33
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 0) #4
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef 0) #4
  %55 = load i32, ptr %23, align 8, !tbaa !22
  %.not8996 = icmp slt i32 %55, 0
  br i1 %.not8996, label %.preheader95, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %52
  %56 = add nuw i32 %55, 1
  %wide.trip.count = zext i32 %56 to i64
  %min.iters.check = icmp ult i32 %55, 7
  br i1 %min.iters.check, label %.lr.ph.preheader176, label %vector.memcheck

.lr.ph.preheader176:                              ; preds = %middle.block, %vector.memcheck, %.lr.ph.preheader
  %indvars.iv.ph = phi i64 [ 0, %vector.memcheck ], [ 0, %.lr.ph.preheader ], [ %n.vec, %middle.block ]
  %57 = zext nneg i32 %55 to i64
  %58 = sub nsw i64 %57, %indvars.iv.ph
  %xtraiter = and i64 %wide.trip.count, 3
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.lr.ph.prol.loopexit, label %.lr.ph.prol

.lr.ph.prol:                                      ; preds = %.lr.ph.preheader176, %.lr.ph.prol
  %indvars.iv.prol = phi i64 [ %indvars.iv.next.prol, %.lr.ph.prol ], [ %indvars.iv.ph, %.lr.ph.preheader176 ]
  %prol.iter = phi i64 [ %prol.iter.next, %.lr.ph.prol ], [ 0, %.lr.ph.preheader176 ]
  %59 = getelementptr inbounds double, ptr %54, i64 %indvars.iv.prol
  %60 = load double, ptr %59, align 8, !tbaa !23
  %61 = getelementptr inbounds double, ptr %53, i64 %indvars.iv.prol
  store double %60, ptr %61, align 8, !tbaa !23
  store double 0.000000e+00, ptr %59, align 8, !tbaa !23
  %indvars.iv.next.prol = add nuw nsw i64 %indvars.iv.prol, 1
  %prol.iter.next = add i64 %prol.iter, 1
  %prol.iter.cmp.not = icmp eq i64 %prol.iter.next, %xtraiter
  br i1 %prol.iter.cmp.not, label %.lr.ph.prol.loopexit, label %.lr.ph.prol, !llvm.loop !24

.lr.ph.prol.loopexit:                             ; preds = %.lr.ph.prol, %.lr.ph.preheader176
  %indvars.iv.unr = phi i64 [ %indvars.iv.ph, %.lr.ph.preheader176 ], [ %indvars.iv.next.prol, %.lr.ph.prol ]
  %62 = icmp ult i64 %58, 3
  br i1 %62, label %.preheader95, label %.lr.ph

vector.memcheck:                                  ; preds = %.lr.ph.preheader
  %63 = shl nuw nsw i64 %wide.trip.count, 3
  %scevgep = getelementptr i8, ptr %53, i64 %63
  %scevgep126 = getelementptr i8, ptr %54, i64 %63
  %bound0 = icmp ult ptr %53, %scevgep126
  %bound1 = icmp ult ptr %54, %scevgep
  %found.conflict = and i1 %bound0, %bound1
  br i1 %found.conflict, label %.lr.ph.preheader176, label %vector.ph

vector.ph:                                        ; preds = %vector.memcheck
  %n.vec = and i64 %wide.trip.count, 4294967292
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %64 = getelementptr inbounds double, ptr %54, i64 %index
  %65 = getelementptr inbounds i8, ptr %64, i64 16
  %wide.load = load <2 x double>, ptr %64, align 8, !tbaa !23, !alias.scope !26
  %wide.load127 = load <2 x double>, ptr %65, align 8, !tbaa !23, !alias.scope !26
  %66 = getelementptr inbounds double, ptr %53, i64 %index
  %67 = getelementptr inbounds i8, ptr %66, i64 16
  store <2 x double> %wide.load, ptr %66, align 8, !tbaa !23, !alias.scope !29, !noalias !26
  store <2 x double> %wide.load127, ptr %67, align 8, !tbaa !23, !alias.scope !29, !noalias !26
  store <2 x double> zeroinitializer, ptr %64, align 8, !tbaa !23, !alias.scope !26
  store <2 x double> zeroinitializer, ptr %65, align 8, !tbaa !23, !alias.scope !26
  %index.next = add nuw i64 %index, 4
  %68 = icmp eq i64 %index.next, %n.vec
  br i1 %68, label %middle.block, label %vector.body, !llvm.loop !31

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %.preheader95, label %.lr.ph.preheader176

.preheader95:                                     ; preds = %.lr.ph.prol.loopexit, %.lr.ph, %middle.block, %52
  %69 = getelementptr inbounds i8, ptr %0, i64 12
  %70 = load i32, ptr %69, align 4, !tbaa !35
  %.not91.not108 = icmp sgt i32 %70, 0
  br i1 %.not91.not108, label %.preheader94.lr.ph, label %.critedge

.preheader94.lr.ph:                               ; preds = %.preheader95
  %71 = getelementptr inbounds i8, ptr %0, i64 24
  %72 = getelementptr inbounds i8, ptr %3, i64 56
  %73 = icmp sgt i32 %9, 0
  %74 = getelementptr inbounds i8, ptr %0, i64 16
  %wide.trip.count119 = zext i32 %9 to i64
  %min.iters.check157 = icmp ult i32 %9, 4
  %n.vec160 = and i64 %wide.trip.count119, 2147483644
  %cmp.n173 = icmp eq i64 %n.vec160, %wide.trip.count119
  %bound0134 = icmp ult ptr %53, %71
  %bound0137 = icmp ult ptr %54, %71
  br label %.preheader94

.lr.ph:                                           ; preds = %.lr.ph.prol.loopexit, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next.3, %.lr.ph ], [ %indvars.iv.unr, %.lr.ph.prol.loopexit ]
  %75 = getelementptr inbounds double, ptr %54, i64 %indvars.iv
  %76 = load double, ptr %75, align 8, !tbaa !23
  %77 = getelementptr inbounds double, ptr %53, i64 %indvars.iv
  store double %76, ptr %77, align 8, !tbaa !23
  store double 0.000000e+00, ptr %75, align 8, !tbaa !23
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %78 = getelementptr inbounds double, ptr %54, i64 %indvars.iv.next
  %79 = load double, ptr %78, align 8, !tbaa !23
  %80 = getelementptr inbounds double, ptr %53, i64 %indvars.iv.next
  store double %79, ptr %80, align 8, !tbaa !23
  store double 0.000000e+00, ptr %78, align 8, !tbaa !23
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %81 = getelementptr inbounds double, ptr %54, i64 %indvars.iv.next.1
  %82 = load double, ptr %81, align 8, !tbaa !23
  %83 = getelementptr inbounds double, ptr %53, i64 %indvars.iv.next.1
  store double %82, ptr %83, align 8, !tbaa !23
  store double 0.000000e+00, ptr %81, align 8, !tbaa !23
  %indvars.iv.next.2 = add nuw nsw i64 %indvars.iv, 3
  %84 = getelementptr inbounds double, ptr %54, i64 %indvars.iv.next.2
  %85 = load double, ptr %84, align 8, !tbaa !23
  %86 = getelementptr inbounds double, ptr %53, i64 %indvars.iv.next.2
  store double %85, ptr %86, align 8, !tbaa !23
  store double 0.000000e+00, ptr %84, align 8, !tbaa !23
  %indvars.iv.next.3 = add nuw nsw i64 %indvars.iv, 4
  %exitcond.not.3 = icmp eq i64 %indvars.iv.next.3, %wide.trip.count
  br i1 %exitcond.not.3, label %.preheader95, label %.lr.ph, !llvm.loop !36

.preheader94:                                     ; preds = %.preheader94.lr.ph, %._crit_edge107
  %87 = phi i32 [ %55, %.preheader94.lr.ph ], [ %128, %._crit_edge107 ]
  %.081109 = phi i32 [ 0, %.preheader94.lr.ph ], [ %157, %._crit_edge107 ]
  %.not9098 = icmp slt i32 %87, 1
  br i1 %.not9098, label %._crit_edge, label %.lr.ph100.preheader

.lr.ph100.preheader:                              ; preds = %.preheader94
  %88 = zext nneg i32 %87 to i64
  %xtraiter177 = and i64 %88, 3
  %89 = icmp ult i32 %87, 4
  br i1 %89, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph100.preheader.new

.lr.ph100.preheader.new:                          ; preds = %.lr.ph100.preheader
  %unroll_iter = and i64 %88, 2147483644
  br label %.lr.ph100

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph100, %.lr.ph100.preheader
  %indvars.iv111.unr = phi i64 [ 1, %.lr.ph100.preheader ], [ %indvars.iv.next112.3, %.lr.ph100 ]
  %lcmp.mod178.not = icmp eq i64 %xtraiter177, 0
  br i1 %lcmp.mod178.not, label %._crit_edge, label %.lr.ph100.epil

.lr.ph100.epil:                                   ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph100.epil
  %indvars.iv111.epil = phi i64 [ %indvars.iv.next112.epil, %.lr.ph100.epil ], [ %indvars.iv111.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph100.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %90 = getelementptr inbounds double, ptr %54, i64 %indvars.iv111.epil
  %91 = load double, ptr %90, align 8, !tbaa !23
  %92 = sub nsw i64 %31, %indvars.iv111.epil
  %93 = getelementptr inbounds double, ptr %54, i64 %92
  store double %91, ptr %93, align 8, !tbaa !23
  %indvars.iv.next112.epil = add nuw nsw i64 %indvars.iv111.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter177
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph100.epil, !llvm.loop !37

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph100.epil, %.preheader94
  %94 = call noundef zeroext i1 @_ZNK4sptk30RealValuedFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(104) %71, ptr noundef nonnull %29, ptr noundef nonnull %49, ptr noundef nonnull %72)
  br i1 %94, label %.preheader93, label %.loopexit

.preheader93:                                     ; preds = %._crit_edge
  br i1 %73, label %.lr.ph102.preheader, label %._crit_edge103

.lr.ph102.preheader:                              ; preds = %.preheader93
  br i1 %min.iters.check157, label %.lr.ph102.preheader175, label %vector.body162

.lr.ph102.preheader175:                           ; preds = %middle.block155, %.lr.ph102.preheader
  %indvars.iv116.ph = phi i64 [ 0, %.lr.ph102.preheader ], [ %n.vec160, %middle.block155 ]
  br label %.lr.ph102

vector.body162:                                   ; preds = %.lr.ph102.preheader, %pred.store.continue171
  %index163 = phi i64 [ %index.next172, %pred.store.continue171 ], [ 0, %.lr.ph102.preheader ]
  %95 = or disjoint i64 %index163, 2
  %96 = getelementptr inbounds double, ptr %54, i64 %index163
  %97 = getelementptr inbounds i8, ptr %96, i64 16
  %wide.load164 = load <2 x double>, ptr %96, align 8, !tbaa !23
  %wide.load165 = load <2 x double>, ptr %97, align 8, !tbaa !23
  %98 = fcmp olt <2 x double> %wide.load164, zeroinitializer
  %99 = fcmp olt <2 x double> %wide.load165, zeroinitializer
  %100 = extractelement <2 x i1> %98, i64 0
  br i1 %100, label %pred.store.if, label %pred.store.continue

pred.store.if:                                    ; preds = %vector.body162
  %101 = getelementptr inbounds double, ptr %54, i64 %index163
  store double 0.000000e+00, ptr %101, align 8, !tbaa !23
  br label %pred.store.continue

pred.store.continue:                              ; preds = %pred.store.if, %vector.body162
  %102 = extractelement <2 x i1> %98, i64 1
  br i1 %102, label %pred.store.if166, label %pred.store.continue167

pred.store.if166:                                 ; preds = %pred.store.continue
  %103 = or disjoint i64 %index163, 1
  %104 = getelementptr inbounds double, ptr %54, i64 %103
  store double 0.000000e+00, ptr %104, align 8, !tbaa !23
  br label %pred.store.continue167

pred.store.continue167:                           ; preds = %pred.store.if166, %pred.store.continue
  %105 = extractelement <2 x i1> %99, i64 0
  br i1 %105, label %pred.store.if168, label %pred.store.continue169

pred.store.if168:                                 ; preds = %pred.store.continue167
  %106 = getelementptr inbounds double, ptr %54, i64 %95
  store double 0.000000e+00, ptr %106, align 8, !tbaa !23
  br label %pred.store.continue169

pred.store.continue169:                           ; preds = %pred.store.if168, %pred.store.continue167
  %107 = extractelement <2 x i1> %99, i64 1
  br i1 %107, label %pred.store.if170, label %pred.store.continue171

pred.store.if170:                                 ; preds = %pred.store.continue169
  %108 = or disjoint i64 %index163, 3
  %109 = getelementptr inbounds double, ptr %54, i64 %108
  store double 0.000000e+00, ptr %109, align 8, !tbaa !23
  br label %pred.store.continue171

pred.store.continue171:                           ; preds = %pred.store.if170, %pred.store.continue169
  %index.next172 = add nuw i64 %index163, 4
  %110 = icmp eq i64 %index.next172, %n.vec160
  br i1 %110, label %middle.block155, label %vector.body162, !llvm.loop !38

middle.block155:                                  ; preds = %pred.store.continue171
  br i1 %cmp.n173, label %._crit_edge103, label %.lr.ph102.preheader175

.lr.ph100:                                        ; preds = %.lr.ph100, %.lr.ph100.preheader.new
  %indvars.iv111 = phi i64 [ 1, %.lr.ph100.preheader.new ], [ %indvars.iv.next112.3, %.lr.ph100 ]
  %niter = phi i64 [ 0, %.lr.ph100.preheader.new ], [ %niter.next.3, %.lr.ph100 ]
  %111 = getelementptr inbounds double, ptr %54, i64 %indvars.iv111
  %112 = load double, ptr %111, align 8, !tbaa !23
  %113 = sub nsw i64 %31, %indvars.iv111
  %114 = getelementptr inbounds double, ptr %54, i64 %113
  store double %112, ptr %114, align 8, !tbaa !23
  %indvars.iv.next112 = add nuw nsw i64 %indvars.iv111, 1
  %115 = getelementptr inbounds double, ptr %54, i64 %indvars.iv.next112
  %116 = load double, ptr %115, align 8, !tbaa !23
  %117 = sub nsw i64 %31, %indvars.iv.next112
  %118 = getelementptr inbounds double, ptr %54, i64 %117
  store double %116, ptr %118, align 8, !tbaa !23
  %indvars.iv.next112.1 = add nuw nsw i64 %indvars.iv111, 2
  %119 = getelementptr inbounds double, ptr %54, i64 %indvars.iv.next112.1
  %120 = load double, ptr %119, align 8, !tbaa !23
  %121 = sub nsw i64 %31, %indvars.iv.next112.1
  %122 = getelementptr inbounds double, ptr %54, i64 %121
  store double %120, ptr %122, align 8, !tbaa !23
  %indvars.iv.next112.2 = add nuw nsw i64 %indvars.iv111, 3
  %123 = getelementptr inbounds double, ptr %54, i64 %indvars.iv.next112.2
  %124 = load double, ptr %123, align 8, !tbaa !23
  %125 = sub nsw i64 %31, %indvars.iv.next112.2
  %126 = getelementptr inbounds double, ptr %54, i64 %125
  store double %124, ptr %126, align 8, !tbaa !23
  %indvars.iv.next112.3 = add nuw nsw i64 %indvars.iv111, 4
  %niter.next.3 = add nuw i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph100, !llvm.loop !39

._crit_edge103:                                   ; preds = %156, %middle.block155, %.preheader93
  %127 = call noundef zeroext i1 @_ZNK4sptk37RealValuedInverseFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(112) %48, ptr noundef nonnull %29, ptr noundef nonnull %49, ptr noundef nonnull %50)
  br i1 %127, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %._crit_edge103
  %128 = load i32, ptr %23, align 8, !tbaa !22
  %.not92104 = icmp slt i32 %128, 0
  br i1 %.not92104, label %._crit_edge107, label %.lr.ph106.preheader

.lr.ph106.preheader:                              ; preds = %.preheader
  %129 = add nuw i32 %128, 1
  %wide.trip.count124 = zext i32 %129 to i64
  %min.iters.check143 = icmp ult i32 %128, 3
  br i1 %min.iters.check143, label %.lr.ph106.preheader174, label %vector.memcheck128

.lr.ph106.preheader174:                           ; preds = %middle.block141, %vector.memcheck128, %.lr.ph106.preheader
  %indvars.iv121.ph = phi i64 [ 0, %vector.memcheck128 ], [ 0, %.lr.ph106.preheader ], [ %n.vec146, %middle.block141 ]
  %130 = zext nneg i32 %128 to i64
  %xtraiter179 = and i64 %wide.trip.count124, 1
  %lcmp.mod180.not = icmp eq i64 %xtraiter179, 0
  br i1 %lcmp.mod180.not, label %.lr.ph106.prol.loopexit, label %.lr.ph106.prol

.lr.ph106.prol:                                   ; preds = %.lr.ph106.preheader174
  %131 = getelementptr inbounds double, ptr %54, i64 %indvars.iv121.ph
  %132 = load double, ptr %131, align 8, !tbaa !23
  %133 = load double, ptr %74, align 8, !tbaa !40
  %134 = fadd double %133, 1.000000e+00
  %135 = fmul double %132, %134
  %136 = getelementptr inbounds double, ptr %53, i64 %indvars.iv121.ph
  %137 = load double, ptr %136, align 8, !tbaa !23
  %138 = fadd double %137, %135
  store double %138, ptr %136, align 8, !tbaa !23
  %139 = load double, ptr %131, align 8, !tbaa !23
  %140 = fsub double %139, %135
  store double %140, ptr %131, align 8, !tbaa !23
  %indvars.iv.next122.prol = or disjoint i64 %indvars.iv121.ph, 1
  br label %.lr.ph106.prol.loopexit

.lr.ph106.prol.loopexit:                          ; preds = %.lr.ph106.prol, %.lr.ph106.preheader174
  %indvars.iv121.unr = phi i64 [ %indvars.iv121.ph, %.lr.ph106.preheader174 ], [ %indvars.iv.next122.prol, %.lr.ph106.prol ]
  %141 = icmp eq i64 %indvars.iv121.ph, %130
  br i1 %141, label %._crit_edge107, label %.lr.ph106

vector.memcheck128:                               ; preds = %.lr.ph106.preheader
  %142 = shl nuw nsw i64 %wide.trip.count124, 3
  %scevgep129 = getelementptr i8, ptr %53, i64 %142
  %scevgep130 = getelementptr i8, ptr %54, i64 %142
  %bound0131 = icmp ult ptr %53, %scevgep130
  %bound1132 = icmp ult ptr %54, %scevgep129
  %found.conflict133 = and i1 %bound0131, %bound1132
  %bound1135 = icmp ult ptr %74, %scevgep129
  %found.conflict136 = and i1 %bound0134, %bound1135
  %conflict.rdx = or i1 %found.conflict133, %found.conflict136
  %bound1138 = icmp ult ptr %74, %scevgep130
  %found.conflict139 = and i1 %bound0137, %bound1138
  %conflict.rdx140 = or i1 %conflict.rdx, %found.conflict139
  br i1 %conflict.rdx140, label %.lr.ph106.preheader174, label %vector.ph144

vector.ph144:                                     ; preds = %vector.memcheck128
  %n.vec146 = and i64 %wide.trip.count124, 4294967294
  br label %vector.body148

vector.body148:                                   ; preds = %vector.body148, %vector.ph144
  %index149 = phi i64 [ 0, %vector.ph144 ], [ %index.next153, %vector.body148 ]
  %143 = getelementptr inbounds double, ptr %54, i64 %index149
  %wide.load150 = load <2 x double>, ptr %143, align 8, !tbaa !23, !alias.scope !41, !noalias !44
  %144 = load <2 x double>, ptr %74, align 8
  %145 = fadd <2 x double> %144, <double 1.000000e+00, double poison>
  %146 = shufflevector <2 x double> %145, <2 x double> poison, <2 x i32> zeroinitializer
  %147 = fmul <2 x double> %wide.load150, %146
  %148 = getelementptr inbounds double, ptr %53, i64 %index149
  %wide.load151 = load <2 x double>, ptr %148, align 8, !tbaa !23, !alias.scope !46, !noalias !48
  %149 = fadd <2 x double> %wide.load151, %147
  store <2 x double> %149, ptr %148, align 8, !tbaa !23, !alias.scope !46, !noalias !48
  %wide.load152 = load <2 x double>, ptr %143, align 8, !tbaa !23, !alias.scope !41, !noalias !44
  %150 = fsub <2 x double> %wide.load152, %147
  store <2 x double> %150, ptr %143, align 8, !tbaa !23, !alias.scope !41, !noalias !44
  %index.next153 = add nuw i64 %index149, 2
  %151 = icmp eq i64 %index.next153, %n.vec146
  br i1 %151, label %middle.block141, label %vector.body148, !llvm.loop !49

middle.block141:                                  ; preds = %vector.body148
  %cmp.n154 = icmp eq i64 %n.vec146, %wide.trip.count124
  br i1 %cmp.n154, label %._crit_edge107, label %.lr.ph106.preheader174

.lr.ph102:                                        ; preds = %.lr.ph102.preheader175, %156
  %indvars.iv116 = phi i64 [ %indvars.iv.next117, %156 ], [ %indvars.iv116.ph, %.lr.ph102.preheader175 ]
  %152 = getelementptr inbounds double, ptr %54, i64 %indvars.iv116
  %153 = load double, ptr %152, align 8, !tbaa !23
  %154 = fcmp olt double %153, 0.000000e+00
  br i1 %154, label %155, label %156

155:                                              ; preds = %.lr.ph102
  store double 0.000000e+00, ptr %152, align 8, !tbaa !23
  br label %156

156:                                              ; preds = %.lr.ph102, %155
  %indvars.iv.next117 = add nuw nsw i64 %indvars.iv116, 1
  %exitcond120.not = icmp eq i64 %indvars.iv.next117, %wide.trip.count119
  br i1 %exitcond120.not, label %._crit_edge103, label %.lr.ph102, !llvm.loop !50

._crit_edge107:                                   ; preds = %.lr.ph106.prol.loopexit, %.lr.ph106, %middle.block141, %.preheader
  %157 = add nuw nsw i32 %.081109, 1
  %158 = load i32, ptr %69, align 4, !tbaa !35
  %.not91.not = icmp slt i32 %157, %158
  br i1 %.not91.not, label %.preheader94, label %.critedge, !llvm.loop !51

.lr.ph106:                                        ; preds = %.lr.ph106.prol.loopexit, %.lr.ph106
  %indvars.iv121 = phi i64 [ %indvars.iv.next122.1, %.lr.ph106 ], [ %indvars.iv121.unr, %.lr.ph106.prol.loopexit ]
  %159 = getelementptr inbounds double, ptr %54, i64 %indvars.iv121
  %160 = load double, ptr %159, align 8, !tbaa !23
  %161 = load double, ptr %74, align 8, !tbaa !40
  %162 = fadd double %161, 1.000000e+00
  %163 = fmul double %160, %162
  %164 = getelementptr inbounds double, ptr %53, i64 %indvars.iv121
  %165 = load double, ptr %164, align 8, !tbaa !23
  %166 = fadd double %165, %163
  store double %166, ptr %164, align 8, !tbaa !23
  %167 = load double, ptr %159, align 8, !tbaa !23
  %168 = fsub double %167, %163
  store double %168, ptr %159, align 8, !tbaa !23
  %indvars.iv.next122 = add nuw nsw i64 %indvars.iv121, 1
  %169 = getelementptr inbounds double, ptr %54, i64 %indvars.iv.next122
  %170 = load double, ptr %169, align 8, !tbaa !23
  %171 = load double, ptr %74, align 8, !tbaa !40
  %172 = fadd double %171, 1.000000e+00
  %173 = fmul double %170, %172
  %174 = getelementptr inbounds double, ptr %53, i64 %indvars.iv.next122
  %175 = load double, ptr %174, align 8, !tbaa !23
  %176 = fadd double %175, %173
  store double %176, ptr %174, align 8, !tbaa !23
  %177 = load double, ptr %169, align 8, !tbaa !23
  %178 = fsub double %177, %173
  store double %178, ptr %169, align 8, !tbaa !23
  %indvars.iv.next122.1 = add nuw nsw i64 %indvars.iv121, 2
  %exitcond125.not.1 = icmp eq i64 %indvars.iv.next122.1, %wide.trip.count124
  br i1 %exitcond125.not.1, label %._crit_edge107, label %.lr.ph106, !llvm.loop !52

.critedge:                                        ; preds = %._crit_edge107, %.preheader95
  %179 = phi i32 [ %55, %.preheader95 ], [ %128, %._crit_edge107 ]
  %180 = load double, ptr %53, align 8, !tbaa !23
  %181 = fmul double %180, 5.000000e-01
  store double %181, ptr %53, align 8, !tbaa !23
  %182 = icmp eq i32 %15, %179
  br i1 %182, label %183, label %.loopexit

183:                                              ; preds = %.critedge
  %184 = sext i32 %15 to i64
  %185 = getelementptr inbounds double, ptr %53, i64 %184
  %186 = load double, ptr %185, align 8, !tbaa !23
  %187 = fmul double %186, 5.000000e-01
  store double %187, ptr %185, align 8, !tbaa !23
  br label %.loopexit

.loopexit:                                        ; preds = %._crit_edge, %._crit_edge103, %183, %.critedge, %33, %4, %13
  %.2 = phi i1 [ false, %13 ], [ false, %4 ], [ false, %33 ], [ true, %.critedge ], [ true, %183 ], [ false, %._crit_edge103 ], [ false, %._crit_edge ]
  ret i1 %.2
}

; 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 uwtable
declare dso_local noundef i32 @_ZNK4sptk36FastFourierTransformCepstralAnalysis12GetFftLengthEv(ptr noundef nonnull align 8 dereferenceable(241)) local_unnamed_addr #0 align 2

; 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 uwtable
declare hidden ptr @"_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPKdSt6vectorIdSaIdEEEENS1_IPdS6_EEZNK4sptk36FastFourierTransformCepstralAnalysis3RunERKS6_PS6_PNSB_6BufferEE3$_0ET0_T_SJ_SI_T1_"(ptr, ptr, ptr) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIdSaIdEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIdSaIdEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; 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 @_ZSt12reverse_copyIN9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEES6_ET0_T_S8_S7_(ptr, ptr, ptr) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPdSt6vectorIdSaIdEEEmiEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) 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

declare noundef zeroext i1 @_ZNK4sptk37RealValuedInverseFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; 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

declare noundef zeroext i1 @_ZNK4sptk30RealValuedFastFourierTransform3RunEPSt6vectorIdSaIdEES4_PNS0_6BufferE(ptr noundef nonnull align 8 dereferenceable(104), ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

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 = { "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, !13, i64 240}
!6 = !{!"_ZTSN4sptk36FastFourierTransformCepstralAnalysisE", !7, i64 8, !7, i64 12, !10, i64 16, !11, i64 24, !19, i64 128, !13, i64 240}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"double", !8, i64 0}
!11 = !{!"_ZTSN4sptk30RealValuedFastFourierTransformE", !7, i64 8, !7, i64 12, !7, i64 16, !12, i64 24, !13, i64 72, !14, i64 80}
!12 = !{!"_ZTSN4sptk20FastFourierTransformE", !7, i64 8, !7, i64 12, !7, i64 16, !13, i64 20, !14, i64 24}
!13 = !{!"bool", !8, i64 0}
!14 = !{!"_ZTSSt6vectorIdSaIdEE", !15, i64 0}
!15 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !18, i64 0, !18, i64 8, !18, i64 16}
!18 = !{!"any pointer", !8, i64 0}
!19 = !{!"_ZTSN4sptk37RealValuedInverseFastFourierTransformE", !11, i64 8}
!20 = !{i8 0, i8 2}
!21 = !{}
!22 = !{!6, !7, i64 8}
!23 = !{!10, !10, i64 0}
!24 = distinct !{!24, !25}
!25 = !{!"llvm.loop.unroll.disable"}
!26 = !{!27}
!27 = distinct !{!27, !28}
!28 = distinct !{!28, !"LVerDomain"}
!29 = !{!30}
!30 = distinct !{!30, !28}
!31 = distinct !{!31, !32, !33, !34}
!32 = !{!"llvm.loop.mustprogress"}
!33 = !{!"llvm.loop.isvectorized", i32 1}
!34 = !{!"llvm.loop.unroll.runtime.disable"}
!35 = !{!6, !7, i64 12}
!36 = distinct !{!36, !32, !33}
!37 = distinct !{!37, !25}
!38 = distinct !{!38, !32, !33, !34}
!39 = distinct !{!39, !32}
!40 = !{!6, !10, i64 16}
!41 = !{!42}
!42 = distinct !{!42, !43}
!43 = distinct !{!43, !"LVerDomain"}
!44 = !{!45}
!45 = distinct !{!45, !43}
!46 = !{!47}
!47 = distinct !{!47, !43}
!48 = !{!42, !45}
!49 = distinct !{!49, !32, !33, !34}
!50 = distinct !{!50, !32, !34, !33}
!51 = distinct !{!51, !32}
!52 = distinct !{!52, !32, !33}


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