; LLVM IR from EyalAr/lwip :: src/lib/png (png)

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

%struct.png_struct_def = type { [1 x %struct.__jmp_buf_tag], ptr, ptr, i64, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i8, i8, i32, i32, i32, i32, %struct.z_stream_s, i32, i32, i32, i32, i64, i32, i32, i32, ptr, ptr, i64, i32, i32, ptr, i16, i32, i16, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i16, i8, i32, %struct.png_color_16_struct, %struct.png_color_16_struct, i32, i32, ptr, ptr, ptr, ptr, ptr, ptr, %struct.png_color_8_struct, %struct.png_color_8_struct, ptr, %struct.png_color_16_struct, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, i64, i64, i64, i64, i32, i32, ptr, ptr, i8, [29 x i8], i32, ptr, ptr, i32, i32, ptr, i8, i8, i16, i16, i32, i8, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i8, i32, i32, i32, i64, %struct.png_unknown_chunk_t, i64, ptr, i64, i32, i32, ptr, [4 x ptr], %struct.png_colorspace }
%struct.__jmp_buf_tag = type { [8 x i64], i32, %struct.__sigset_t }
%struct.__sigset_t = type { [16 x i64] }
%struct.z_stream_s = type { ptr, i32, i64, ptr, i32, i64, ptr, ptr, ptr, ptr, ptr, i32, i64, i64 }
%struct.png_color_8_struct = type { i8, i8, i8, i8, i8 }
%struct.png_color_16_struct = type { i8, i16, i16, i16, i16 }
%struct.png_unknown_chunk_t = type { [5 x i8], ptr, i64, i8 }
%struct.png_colorspace = type { i32, %struct.png_xy, %struct.png_XYZ, i16, i16 }
%struct.png_xy = type { i32, i32, i32, i32, i32, i32, i32, i32 }
%struct.png_XYZ = type { i32, i32, i32, i32, i32, i32, i32, i32, i32 }

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

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @png_reciprocal(i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @png_reciprocal2(i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @png_destroy_gamma_table(ptr noalias noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @png_build_gamma_table(ptr noalias noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i8, align 1
  %6 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.png_struct_def, ptr %7, i32 0, i32 55
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = icmp ne ptr %9, null
  br i1 %10, label %16, label %11

11:                                               ; preds = %2
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.png_struct_def, ptr %12, i32 0, i32 56
  %14 = load ptr, ptr %13, align 8, !tbaa !22
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %19

16:                                               ; preds = %11, %2
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  call void @png_destroy_gamma_table(ptr noundef %18)
  br label %19

19:                                               ; preds = %16, %11
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = icmp sle i32 %20, 8
  br i1 %21, label %22, label %76

22:                                               ; preds = %19
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.png_struct_def, ptr %24, i32 0, i32 55
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.png_struct_def, ptr %26, i32 0, i32 54
  %28 = load i32, ptr %27, align 8, !tbaa !23
  %29 = icmp sgt i32 %28, 0
  br i1 %29, label %30, label %39

30:                                               ; preds = %22
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.png_struct_def, ptr %31, i32 0, i32 118
  %33 = getelementptr inbounds %struct.png_colorspace, ptr %32, i32 0, i32 0
  %34 = load i32, ptr %33, align 8, !tbaa !24
  %35 = load ptr, ptr %3, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.png_struct_def, ptr %35, i32 0, i32 54
  %37 = load i32, ptr %36, align 8, !tbaa !23
  %38 = call i32 @png_reciprocal2(i32 noundef %34, i32 noundef %37)
  br label %40

39:                                               ; preds = %22
  br label %40

40:                                               ; preds = %39, %30
  %41 = phi i32 [ %38, %30 ], [ 100000, %39 ]
  call void @png_build_8bit_table(ptr noundef %23, ptr noundef %25, i32 noundef %41)
  %42 = load ptr, ptr %3, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.png_struct_def, ptr %42, i32 0, i32 15
  %44 = load i32, ptr %43, align 4, !tbaa !25
  %45 = and i32 %44, 6291584
  %46 = icmp ne i32 %45, 0
  br i1 %46, label %47, label %75

47:                                               ; preds = %40
  %48 = load ptr, ptr %3, align 8, !tbaa !5
  %49 = load ptr, ptr %3, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.png_struct_def, ptr %49, i32 0, i32 58
  %51 = load ptr, ptr %3, align 8, !tbaa !5
  %52 = getelementptr inbounds %struct.png_struct_def, ptr %51, i32 0, i32 118
  %53 = getelementptr inbounds %struct.png_colorspace, ptr %52, i32 0, i32 0
  %54 = load i32, ptr %53, align 8, !tbaa !24
  %55 = call i32 @png_reciprocal(i32 noundef %54)
  call void @png_build_8bit_table(ptr noundef %48, ptr noundef %50, i32 noundef %55)
  %56 = load ptr, ptr %3, align 8, !tbaa !5
  %57 = load ptr, ptr %3, align 8, !tbaa !5
  %58 = getelementptr inbounds %struct.png_struct_def, ptr %57, i32 0, i32 57
  %59 = load ptr, ptr %3, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.png_struct_def, ptr %59, i32 0, i32 54
  %61 = load i32, ptr %60, align 8, !tbaa !23
  %62 = icmp sgt i32 %61, 0
  br i1 %62, label %63, label %68

63:                                               ; preds = %47
  %64 = load ptr, ptr %3, align 8, !tbaa !5
  %65 = getelementptr inbounds %struct.png_struct_def, ptr %64, i32 0, i32 54
  %66 = load i32, ptr %65, align 8, !tbaa !23
  %67 = call i32 @png_reciprocal(i32 noundef %66)
  br label %73

68:                                               ; preds = %47
  %69 = load ptr, ptr %3, align 8, !tbaa !5
  %70 = getelementptr inbounds %struct.png_struct_def, ptr %69, i32 0, i32 118
  %71 = getelementptr inbounds %struct.png_colorspace, ptr %70, i32 0, i32 0
  %72 = load i32, ptr %71, align 8, !tbaa !24
  br label %73

73:                                               ; preds = %68, %63
  %74 = phi i32 [ %67, %63 ], [ %72, %68 ]
  call void @png_build_8bit_table(ptr noundef %56, ptr noundef %58, i32 noundef %74)
  br label %75

75:                                               ; preds = %73, %40
  br label %246

76:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #2
  %77 = load ptr, ptr %3, align 8, !tbaa !5
  %78 = getelementptr inbounds %struct.png_struct_def, ptr %77, i32 0, i32 40
  %79 = load i8, ptr %78, align 1, !tbaa !26
  %80 = zext i8 %79 to i32
  %81 = and i32 %80, 2
  %82 = icmp ne i32 %81, 0
  br i1 %82, label %83, label %116

83:                                               ; preds = %76
  %84 = load ptr, ptr %3, align 8, !tbaa !5
  %85 = getelementptr inbounds %struct.png_struct_def, ptr %84, i32 0, i32 61
  %86 = getelementptr inbounds %struct.png_color_8_struct, ptr %85, i32 0, i32 0
  %87 = load i8, ptr %86, align 8, !tbaa !27
  store i8 %87, ptr %6, align 1, !tbaa !28
  %88 = load ptr, ptr %3, align 8, !tbaa !5
  %89 = getelementptr inbounds %struct.png_struct_def, ptr %88, i32 0, i32 61
  %90 = getelementptr inbounds %struct.png_color_8_struct, ptr %89, i32 0, i32 1
  %91 = load i8, ptr %90, align 1, !tbaa !29
  %92 = zext i8 %91 to i32
  %93 = load i8, ptr %6, align 1, !tbaa !28
  %94 = zext i8 %93 to i32
  %95 = icmp sgt i32 %92, %94
  br i1 %95, label %96, label %101

96:                                               ; preds = %83
  %97 = load ptr, ptr %3, align 8, !tbaa !5
  %98 = getelementptr inbounds %struct.png_struct_def, ptr %97, i32 0, i32 61
  %99 = getelementptr inbounds %struct.png_color_8_struct, ptr %98, i32 0, i32 1
  %100 = load i8, ptr %99, align 1, !tbaa !29
  store i8 %100, ptr %6, align 1, !tbaa !28
  br label %101

101:                                              ; preds = %96, %83
  %102 = load ptr, ptr %3, align 8, !tbaa !5
  %103 = getelementptr inbounds %struct.png_struct_def, ptr %102, i32 0, i32 61
  %104 = getelementptr inbounds %struct.png_color_8_struct, ptr %103, i32 0, i32 2
  %105 = load i8, ptr %104, align 2, !tbaa !30
  %106 = zext i8 %105 to i32
  %107 = load i8, ptr %6, align 1, !tbaa !28
  %108 = zext i8 %107 to i32
  %109 = icmp sgt i32 %106, %108
  br i1 %109, label %110, label %115

110:                                              ; preds = %101
  %111 = load ptr, ptr %3, align 8, !tbaa !5
  %112 = getelementptr inbounds %struct.png_struct_def, ptr %111, i32 0, i32 61
  %113 = getelementptr inbounds %struct.png_color_8_struct, ptr %112, i32 0, i32 2
  %114 = load i8, ptr %113, align 2, !tbaa !30
  store i8 %114, ptr %6, align 1, !tbaa !28
  br label %115

115:                                              ; preds = %110, %101
  br label %121

116:                                              ; preds = %76
  %117 = load ptr, ptr %3, align 8, !tbaa !5
  %118 = getelementptr inbounds %struct.png_struct_def, ptr %117, i32 0, i32 61
  %119 = getelementptr inbounds %struct.png_color_8_struct, ptr %118, i32 0, i32 3
  %120 = load i8, ptr %119, align 1, !tbaa !31
  store i8 %120, ptr %6, align 1, !tbaa !28
  br label %121

121:                                              ; preds = %116, %115
  %122 = load i8, ptr %6, align 1, !tbaa !28
  %123 = zext i8 %122 to i32
  %124 = icmp sgt i32 %123, 0
  br i1 %124, label %125, label %135

125:                                              ; preds = %121
  %126 = load i8, ptr %6, align 1, !tbaa !28
  %127 = zext i8 %126 to i32
  %128 = icmp ult i32 %127, 16
  br i1 %128, label %129, label %135

129:                                              ; preds = %125
  %130 = load i8, ptr %6, align 1, !tbaa !28
  %131 = zext i8 %130 to i32
  %132 = sub i32 16, %131
  %133 = and i32 %132, 255
  %134 = trunc i32 %133 to i8
  store i8 %134, ptr %5, align 1, !tbaa !28
  br label %136

135:                                              ; preds = %125, %121
  store i8 0, ptr %5, align 1, !tbaa !28
  br label %136

136:                                              ; preds = %135, %129
  %137 = load ptr, ptr %3, align 8, !tbaa !5
  %138 = getelementptr inbounds %struct.png_struct_def, ptr %137, i32 0, i32 15
  %139 = load i32, ptr %138, align 4, !tbaa !25
  %140 = and i32 %139, 67109888
  %141 = icmp ne i32 %140, 0
  br i1 %141, label %142, label %148

142:                                              ; preds = %136
  %143 = load i8, ptr %5, align 1, !tbaa !28
  %144 = zext i8 %143 to i32
  %145 = icmp ult i32 %144, 5
  br i1 %145, label %146, label %147

146:                                              ; preds = %142
  store i8 5, ptr %5, align 1, !tbaa !28
  br label %147

147:                                              ; preds = %146, %142
  br label %148

148:                                              ; preds = %147, %136
  %149 = load i8, ptr %5, align 1, !tbaa !28
  %150 = zext i8 %149 to i32
  %151 = icmp ugt i32 %150, 8
  br i1 %151, label %152, label %153

152:                                              ; preds = %148
  store i8 8, ptr %5, align 1, !tbaa !28
  br label %153

153:                                              ; preds = %152, %148
  %154 = load i8, ptr %5, align 1, !tbaa !28
  %155 = zext i8 %154 to i32
  %156 = load ptr, ptr %3, align 8, !tbaa !5
  %157 = getelementptr inbounds %struct.png_struct_def, ptr %156, i32 0, i32 53
  store i32 %155, ptr %157, align 4, !tbaa !32
  %158 = load ptr, ptr %3, align 8, !tbaa !5
  %159 = getelementptr inbounds %struct.png_struct_def, ptr %158, i32 0, i32 15
  %160 = load i32, ptr %159, align 4, !tbaa !25
  %161 = and i32 %160, 67109888
  %162 = icmp ne i32 %161, 0
  br i1 %162, label %163, label %185

163:                                              ; preds = %153
  %164 = load ptr, ptr %3, align 8, !tbaa !5
  %165 = load ptr, ptr %3, align 8, !tbaa !5
  %166 = getelementptr inbounds %struct.png_struct_def, ptr %165, i32 0, i32 56
  %167 = load i8, ptr %5, align 1, !tbaa !28
  %168 = zext i8 %167 to i32
  %169 = load ptr, ptr %3, align 8, !tbaa !5
  %170 = getelementptr inbounds %struct.png_struct_def, ptr %169, i32 0, i32 54
  %171 = load i32, ptr %170, align 8, !tbaa !23
  %172 = icmp sgt i32 %171, 0
  br i1 %172, label %173, label %182

173:                                              ; preds = %163
  %174 = load ptr, ptr %3, align 8, !tbaa !5
  %175 = getelementptr inbounds %struct.png_struct_def, ptr %174, i32 0, i32 118
  %176 = getelementptr inbounds %struct.png_colorspace, ptr %175, i32 0, i32 0
  %177 = load i32, ptr %176, align 8, !tbaa !24
  %178 = load ptr, ptr %3, align 8, !tbaa !5
  %179 = getelementptr inbounds %struct.png_struct_def, ptr %178, i32 0, i32 54
  %180 = load i32, ptr %179, align 8, !tbaa !23
  %181 = call i32 @png_product2(i32 noundef %177, i32 noundef %180)
  br label %183

182:                                              ; preds = %163
  br label %183

183:                                              ; preds = %182, %173
  %184 = phi i32 [ %181, %173 ], [ 100000, %182 ]
  call void @png_build_16to8_table(ptr noundef %164, ptr noundef %166, i32 noundef %168, i32 noundef %184)
  br label %207

185:                                              ; preds = %153
  %186 = load ptr, ptr %3, align 8, !tbaa !5
  %187 = load ptr, ptr %3, align 8, !tbaa !5
  %188 = getelementptr inbounds %struct.png_struct_def, ptr %187, i32 0, i32 56
  %189 = load i8, ptr %5, align 1, !tbaa !28
  %190 = zext i8 %189 to i32
  %191 = load ptr, ptr %3, align 8, !tbaa !5
  %192 = getelementptr inbounds %struct.png_struct_def, ptr %191, i32 0, i32 54
  %193 = load i32, ptr %192, align 8, !tbaa !23
  %194 = icmp sgt i32 %193, 0
  br i1 %194, label %195, label %204

195:                                              ; preds = %185
  %196 = load ptr, ptr %3, align 8, !tbaa !5
  %197 = getelementptr inbounds %struct.png_struct_def, ptr %196, i32 0, i32 118
  %198 = getelementptr inbounds %struct.png_colorspace, ptr %197, i32 0, i32 0
  %199 = load i32, ptr %198, align 8, !tbaa !24
  %200 = load ptr, ptr %3, align 8, !tbaa !5
  %201 = getelementptr inbounds %struct.png_struct_def, ptr %200, i32 0, i32 54
  %202 = load i32, ptr %201, align 8, !tbaa !23
  %203 = call i32 @png_reciprocal2(i32 noundef %199, i32 noundef %202)
  br label %205

204:                                              ; preds = %185
  br label %205

205:                                              ; preds = %204, %195
  %206 = phi i32 [ %203, %195 ], [ 100000, %204 ]
  call void @png_build_16bit_table(ptr noundef %186, ptr noundef %188, i32 noundef %190, i32 noundef %206)
  br label %207

207:                                              ; preds = %205, %183
  %208 = load ptr, ptr %3, align 8, !tbaa !5
  %209 = getelementptr inbounds %struct.png_struct_def, ptr %208, i32 0, i32 15
  %210 = load i32, ptr %209, align 4, !tbaa !25
  %211 = and i32 %210, 6291584
  %212 = icmp ne i32 %211, 0
  br i1 %212, label %213, label %245

213:                                              ; preds = %207
  %214 = load ptr, ptr %3, align 8, !tbaa !5
  %215 = load ptr, ptr %3, align 8, !tbaa !5
  %216 = getelementptr inbounds %struct.png_struct_def, ptr %215, i32 0, i32 60
  %217 = load i8, ptr %5, align 1, !tbaa !28
  %218 = zext i8 %217 to i32
  %219 = load ptr, ptr %3, align 8, !tbaa !5
  %220 = getelementptr inbounds %struct.png_struct_def, ptr %219, i32 0, i32 118
  %221 = getelementptr inbounds %struct.png_colorspace, ptr %220, i32 0, i32 0
  %222 = load i32, ptr %221, align 8, !tbaa !24
  %223 = call i32 @png_reciprocal(i32 noundef %222)
  call void @png_build_16bit_table(ptr noundef %214, ptr noundef %216, i32 noundef %218, i32 noundef %223)
  %224 = load ptr, ptr %3, align 8, !tbaa !5
  %225 = load ptr, ptr %3, align 8, !tbaa !5
  %226 = getelementptr inbounds %struct.png_struct_def, ptr %225, i32 0, i32 59
  %227 = load i8, ptr %5, align 1, !tbaa !28
  %228 = zext i8 %227 to i32
  %229 = load ptr, ptr %3, align 8, !tbaa !5
  %230 = getelementptr inbounds %struct.png_struct_def, ptr %229, i32 0, i32 54
  %231 = load i32, ptr %230, align 8, !tbaa !23
  %232 = icmp sgt i32 %231, 0
  br i1 %232, label %233, label %238

233:                                              ; preds = %213
  %234 = load ptr, ptr %3, align 8, !tbaa !5
  %235 = getelementptr inbounds %struct.png_struct_def, ptr %234, i32 0, i32 54
  %236 = load i32, ptr %235, align 8, !tbaa !23
  %237 = call i32 @png_reciprocal(i32 noundef %236)
  br label %243

238:                                              ; preds = %213
  %239 = load ptr, ptr %3, align 8, !tbaa !5
  %240 = getelementptr inbounds %struct.png_struct_def, ptr %239, i32 0, i32 118
  %241 = getelementptr inbounds %struct.png_colorspace, ptr %240, i32 0, i32 0
  %242 = load i32, ptr %241, align 8, !tbaa !24
  br label %243

243:                                              ; preds = %238, %233
  %244 = phi i32 [ %237, %233 ], [ %242, %238 ]
  call void @png_build_16bit_table(ptr noundef %224, ptr noundef %226, i32 noundef %228, i32 noundef %244)
  br label %245

245:                                              ; preds = %243, %207
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  br label %246

246:                                              ; preds = %245, %75
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @png_build_8bit_table(ptr noalias noundef, ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @png_build_16to8_table(ptr noalias noundef, ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare hidden i32 @png_product2(i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @png_build_16bit_table(ptr noalias noundef, ptr noundef, i32 noundef, i32 noundef) #1

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 560}
!12 = !{!"png_struct_def", !7, i64 0, !6, i64 200, !6, i64 208, !13, i64 216, !6, i64 224, !6, i64 232, !6, i64 240, !6, i64 248, !6, i64 256, !6, i64 264, !6, i64 272, !7, i64 280, !7, i64 281, !10, i64 284, !10, i64 288, !10, i64 292, !10, i64 296, !14, i64 304, !10, i64 416, !10, i64 420, !10, i64 424, !10, i64 428, !13, i64 432, !10, i64 440, !10, i64 444, !10, i64 448, !6, i64 456, !6, i64 464, !13, i64 472, !10, i64 480, !10, i64 484, !6, i64 488, !15, i64 496, !10, i64 500, !15, i64 504, !7, i64 506, !7, i64 507, !7, i64 508, !7, i64 509, !7, i64 510, !7, i64 511, !7, i64 512, !7, i64 513, !7, i64 514, !7, i64 515, !7, i64 516, !7, i64 517, !7, i64 518, !15, i64 520, !7, i64 522, !10, i64 524, !16, i64 528, !16, i64 538, !10, i64 548, !10, i64 552, !6, i64 560, !6, i64 568, !6, i64 576, !6, i64 584, !6, i64 592, !6, i64 600, !17, i64 608, !17, i64 613, !6, i64 624, !16, i64 632, !6, i64 648, !6, i64 656, !6, i64 664, !6, i64 672, !6, i64 680, !6, i64 688, !6, i64 696, !6, i64 704, !6, i64 712, !10, i64 720, !10, i64 724, !13, i64 728, !13, i64 736, !13, i64 744, !13, i64 752, !10, i64 760, !10, i64 764, !6, i64 768, !6, i64 776, !7, i64 784, !7, i64 785, !10, i64 816, !6, i64 824, !6, i64 832, !10, i64 840, !10, i64 844, !6, i64 848, !7, i64 856, !7, i64 857, !15, i64 858, !15, i64 860, !10, i64 864, !7, i64 868, !6, i64 872, !6, i64 880, !6, i64 888, !6, i64 896, !6, i64 904, !6, i64 912, !6, i64 920, !7, i64 928, !10, i64 932, !10, i64 936, !10, i64 940, !13, i64 944, !18, i64 952, !13, i64 984, !6, i64 992, !13, i64 1000, !10, i64 1008, !10, i64 1012, !6, i64 1016, !7, i64 1024, !19, i64 1056}
!13 = !{!"long", !7, i64 0}
!14 = !{!"z_stream_s", !6, i64 0, !10, i64 8, !13, i64 16, !6, i64 24, !10, i64 32, !13, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !10, i64 88, !13, i64 96, !13, i64 104}
!15 = !{!"short", !7, i64 0}
!16 = !{!"png_color_16_struct", !7, i64 0, !15, i64 2, !15, i64 4, !15, i64 6, !15, i64 8}
!17 = !{!"png_color_8_struct", !7, i64 0, !7, i64 1, !7, i64 2, !7, i64 3, !7, i64 4}
!18 = !{!"png_unknown_chunk_t", !7, i64 0, !6, i64 8, !13, i64 16, !7, i64 24}
!19 = !{!"png_colorspace", !10, i64 0, !20, i64 4, !21, i64 36, !15, i64 72, !15, i64 74}
!20 = !{!"png_xy", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28}
!21 = !{!"png_XYZ", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !10, i64 32}
!22 = !{!12, !6, i64 568}
!23 = !{!12, !10, i64 552}
!24 = !{!12, !10, i64 1056}
!25 = !{!12, !10, i64 292}
!26 = !{!12, !7, i64 511}
!27 = !{!12, !7, i64 608}
!28 = !{!7, !7, i64 0}
!29 = !{!12, !7, i64 609}
!30 = !{!12, !7, i64 610}
!31 = !{!12, !7, i64 611}
!32 = !{!12, !10, i64 548}


; 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: nounwind uwtable
declare dso_local i32 @png_reciprocal(i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @png_reciprocal2(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @png_destroy_gamma_table(ptr noalias noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @png_build_gamma_table(ptr noalias noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 560
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %5, label %8

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %0, i64 568
  %7 = load ptr, ptr %6, align 8, !tbaa !20
  %.not70 = icmp eq ptr %7, null
  br i1 %.not70, label %9, label %8

8:                                                ; preds = %5, %2
  tail call void @png_destroy_gamma_table(ptr noundef nonnull %0)
  br label %9

9:                                                ; preds = %8, %5
  %10 = icmp slt i32 %1, 9
  br i1 %10, label %11, label %38

11:                                               ; preds = %9
  %12 = getelementptr inbounds i8, ptr %0, i64 552
  %13 = load i32, ptr %12, align 8, !tbaa !21
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %15, label %19

15:                                               ; preds = %11
  %16 = getelementptr inbounds i8, ptr %0, i64 1056
  %17 = load i32, ptr %16, align 8, !tbaa !22
  %18 = tail call i32 @png_reciprocal2(i32 noundef %17, i32 noundef %13)
  br label %19

19:                                               ; preds = %11, %15
  %20 = phi i32 [ %18, %15 ], [ 100000, %11 ]
  tail call void @png_build_8bit_table(ptr noundef nonnull %0, ptr noundef nonnull %3, i32 noundef %20)
  %21 = getelementptr inbounds i8, ptr %0, i64 292
  %22 = load i32, ptr %21, align 4, !tbaa !23
  %23 = and i32 %22, 6291584
  %.not75 = icmp eq i32 %23, 0
  br i1 %.not75, label %95, label %24

24:                                               ; preds = %19
  %25 = getelementptr inbounds i8, ptr %0, i64 584
  %26 = getelementptr inbounds i8, ptr %0, i64 1056
  %27 = load i32, ptr %26, align 8, !tbaa !22
  %28 = tail call i32 @png_reciprocal(i32 noundef %27)
  tail call void @png_build_8bit_table(ptr noundef nonnull %0, ptr noundef nonnull %25, i32 noundef %28)
  %29 = getelementptr inbounds i8, ptr %0, i64 576
  %30 = load i32, ptr %12, align 8, !tbaa !21
  %31 = icmp sgt i32 %30, 0
  br i1 %31, label %32, label %34

32:                                               ; preds = %24
  %33 = tail call i32 @png_reciprocal(i32 noundef %30)
  br label %36

34:                                               ; preds = %24
  %35 = load i32, ptr %26, align 8, !tbaa !22
  br label %36

36:                                               ; preds = %34, %32
  %37 = phi i32 [ %33, %32 ], [ %35, %34 ]
  tail call void @png_build_8bit_table(ptr noundef nonnull %0, ptr noundef nonnull %29, i32 noundef %37)
  br label %95

38:                                               ; preds = %9
  %39 = getelementptr inbounds i8, ptr %0, i64 511
  %40 = load i8, ptr %39, align 1, !tbaa !24
  %41 = and i8 %40, 2
  %.not71 = icmp eq i8 %41, 0
  br i1 %.not71, label %49, label %42

42:                                               ; preds = %38
  %43 = getelementptr inbounds i8, ptr %0, i64 608
  %44 = load i8, ptr %43, align 8, !tbaa !25
  %45 = getelementptr inbounds i8, ptr %0, i64 609
  %46 = load i8, ptr %45, align 1, !tbaa !26
  %spec.select = tail call i8 @llvm.umax.i8(i8 %46, i8 %44)
  %47 = getelementptr inbounds i8, ptr %0, i64 610
  %48 = load i8, ptr %47, align 2, !tbaa !27
  %spec.select76 = tail call i8 @llvm.umax.i8(i8 %48, i8 %spec.select)
  br label %52

49:                                               ; preds = %38
  %50 = getelementptr inbounds i8, ptr %0, i64 611
  %51 = load i8, ptr %50, align 1, !tbaa !28
  br label %52

52:                                               ; preds = %42, %49
  %.1 = phi i8 [ %51, %49 ], [ %spec.select76, %42 ]
  %53 = add i8 %.1, -1
  %or.cond = icmp ult i8 %53, 15
  %narrow = sub nuw nsw i8 16, %.1
  %.062 = select i1 %or.cond, i8 %narrow, i8 0
  %54 = getelementptr inbounds i8, ptr %0, i64 292
  %55 = load i32, ptr %54, align 4, !tbaa !23
  %56 = and i32 %55, 67109888
  %.not72 = icmp eq i32 %56, 0
  %spec.store.select = tail call i8 @llvm.umax.i8(i8 %.062, i8 5)
  %.163 = select i1 %.not72, i8 %.062, i8 %spec.store.select
  %spec.store.select3 = tail call i8 @llvm.umin.i8(i8 %.163, i8 8)
  %57 = zext nneg i8 %spec.store.select3 to i32
  %58 = getelementptr inbounds i8, ptr %0, i64 548
  store i32 %57, ptr %58, align 4, !tbaa !29
  %59 = getelementptr inbounds i8, ptr %0, i64 568
  %60 = getelementptr inbounds i8, ptr %0, i64 552
  %61 = load i32, ptr %60, align 8, !tbaa !21
  %62 = icmp sgt i32 %61, 0
  br i1 %.not72, label %70, label %63

63:                                               ; preds = %52
  br i1 %62, label %64, label %68

64:                                               ; preds = %63
  %65 = getelementptr inbounds i8, ptr %0, i64 1056
  %66 = load i32, ptr %65, align 8, !tbaa !22
  %67 = tail call i32 @png_product2(i32 noundef %66, i32 noundef %61)
  br label %68

68:                                               ; preds = %63, %64
  %69 = phi i32 [ %67, %64 ], [ 100000, %63 ]
  tail call void @png_build_16to8_table(ptr noundef nonnull %0, ptr noundef nonnull %59, i32 noundef %57, i32 noundef %69)
  br label %77

70:                                               ; preds = %52
  br i1 %62, label %71, label %75

71:                                               ; preds = %70
  %72 = getelementptr inbounds i8, ptr %0, i64 1056
  %73 = load i32, ptr %72, align 8, !tbaa !22
  %74 = tail call i32 @png_reciprocal2(i32 noundef %73, i32 noundef %61)
  br label %75

75:                                               ; preds = %70, %71
  %76 = phi i32 [ %74, %71 ], [ 100000, %70 ]
  tail call void @png_build_16bit_table(ptr noundef nonnull %0, ptr noundef nonnull %59, i32 noundef %57, i32 noundef %76)
  br label %77

77:                                               ; preds = %75, %68
  %78 = load i32, ptr %54, align 4, !tbaa !23
  %79 = and i32 %78, 6291584
  %.not74 = icmp eq i32 %79, 0
  br i1 %.not74, label %95, label %80

80:                                               ; preds = %77
  %81 = getelementptr inbounds i8, ptr %0, i64 600
  %82 = getelementptr inbounds i8, ptr %0, i64 1056
  %83 = load i32, ptr %82, align 8, !tbaa !22
  %84 = tail call i32 @png_reciprocal(i32 noundef %83)
  tail call void @png_build_16bit_table(ptr noundef nonnull %0, ptr noundef nonnull %81, i32 noundef %57, i32 noundef %84)
  %85 = getelementptr inbounds i8, ptr %0, i64 592
  %86 = getelementptr inbounds i8, ptr %0, i64 552
  %87 = load i32, ptr %86, align 8, !tbaa !21
  %88 = icmp sgt i32 %87, 0
  br i1 %88, label %89, label %91

89:                                               ; preds = %80
  %90 = tail call i32 @png_reciprocal(i32 noundef %87)
  br label %93

91:                                               ; preds = %80
  %92 = load i32, ptr %82, align 8, !tbaa !22
  br label %93

93:                                               ; preds = %91, %89
  %94 = phi i32 [ %90, %89 ], [ %92, %91 ]
  tail call void @png_build_16bit_table(ptr noundef nonnull %0, ptr noundef nonnull %85, i32 noundef %57, i32 noundef %94)
  br label %95

95:                                               ; preds = %77, %93, %19, %36
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @png_build_8bit_table(ptr noalias noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @png_build_16to8_table(ptr noalias noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i32 @png_product2(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @png_build_16bit_table(ptr noalias noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.umax.i8(i8, i8) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.umin.i8(i8, i8) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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, !9, i64 560}
!6 = !{!"png_struct_def", !7, i64 0, !9, i64 200, !9, i64 208, !10, i64 216, !9, i64 224, !9, i64 232, !9, i64 240, !9, i64 248, !9, i64 256, !9, i64 264, !9, i64 272, !7, i64 280, !7, i64 281, !11, i64 284, !11, i64 288, !11, i64 292, !11, i64 296, !12, i64 304, !11, i64 416, !11, i64 420, !11, i64 424, !11, i64 428, !10, i64 432, !11, i64 440, !11, i64 444, !11, i64 448, !9, i64 456, !9, i64 464, !10, i64 472, !11, i64 480, !11, i64 484, !9, i64 488, !13, i64 496, !11, i64 500, !13, i64 504, !7, i64 506, !7, i64 507, !7, i64 508, !7, i64 509, !7, i64 510, !7, i64 511, !7, i64 512, !7, i64 513, !7, i64 514, !7, i64 515, !7, i64 516, !7, i64 517, !7, i64 518, !13, i64 520, !7, i64 522, !11, i64 524, !14, i64 528, !14, i64 538, !11, i64 548, !11, i64 552, !9, i64 560, !9, i64 568, !9, i64 576, !9, i64 584, !9, i64 592, !9, i64 600, !15, i64 608, !15, i64 613, !9, i64 624, !14, i64 632, !9, i64 648, !9, i64 656, !9, i64 664, !9, i64 672, !9, i64 680, !9, i64 688, !9, i64 696, !9, i64 704, !9, i64 712, !11, i64 720, !11, i64 724, !10, i64 728, !10, i64 736, !10, i64 744, !10, i64 752, !11, i64 760, !11, i64 764, !9, i64 768, !9, i64 776, !7, i64 784, !7, i64 785, !11, i64 816, !9, i64 824, !9, i64 832, !11, i64 840, !11, i64 844, !9, i64 848, !7, i64 856, !7, i64 857, !13, i64 858, !13, i64 860, !11, i64 864, !7, i64 868, !9, i64 872, !9, i64 880, !9, i64 888, !9, i64 896, !9, i64 904, !9, i64 912, !9, i64 920, !7, i64 928, !11, i64 932, !11, i64 936, !11, i64 940, !10, i64 944, !16, i64 952, !10, i64 984, !9, i64 992, !10, i64 1000, !11, i64 1008, !11, i64 1012, !9, i64 1016, !7, i64 1024, !17, i64 1056}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"any pointer", !7, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!"z_stream_s", !9, i64 0, !11, i64 8, !10, i64 16, !9, i64 24, !11, i64 32, !10, i64 40, !9, i64 48, !9, i64 56, !9, i64 64, !9, i64 72, !9, i64 80, !11, i64 88, !10, i64 96, !10, i64 104}
!13 = !{!"short", !7, i64 0}
!14 = !{!"png_color_16_struct", !7, i64 0, !13, i64 2, !13, i64 4, !13, i64 6, !13, i64 8}
!15 = !{!"png_color_8_struct", !7, i64 0, !7, i64 1, !7, i64 2, !7, i64 3, !7, i64 4}
!16 = !{!"png_unknown_chunk_t", !7, i64 0, !9, i64 8, !10, i64 16, !7, i64 24}
!17 = !{!"png_colorspace", !11, i64 0, !18, i64 4, !19, i64 36, !13, i64 72, !13, i64 74}
!18 = !{!"png_xy", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28}
!19 = !{!"png_XYZ", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !11, i64 32}
!20 = !{!6, !9, i64 568}
!21 = !{!6, !11, i64 552}
!22 = !{!6, !11, i64 1056}
!23 = !{!6, !11, i64 292}
!24 = !{!6, !7, i64 511}
!25 = !{!6, !7, i64 608}
!26 = !{!6, !7, i64 609}
!27 = !{!6, !7, i64 610}
!28 = !{!6, !7, i64 611}
!29 = !{!6, !11, i64 548}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass