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

; 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 }

@.str.42 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.43 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.44 = external hidden unnamed_addr constant [20 x i8], align 1

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

; Function Attrs: noreturn
declare void @png_error(ptr noundef, ptr noundef) #1

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @png_read_chunk_header(ptr noalias noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @png_crc_read(ptr noalias noundef, ptr noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @png_crc_finish(ptr noalias noundef, i32 noundef) #2

; Function Attrs: noreturn
declare void @png_chunk_error(ptr noundef, ptr noundef) #1

declare void @png_chunk_benign_error(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
declare hidden ptr @png_read_buffer(ptr noalias noundef, i64 noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @png_read_IDAT_data(ptr noalias noundef %0, ptr noundef %1, i64 noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca [1024 x i8], align 16
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.png_struct_def, ptr %14, i32 0, i32 17
  %16 = getelementptr inbounds %struct.z_stream_s, ptr %15, i32 0, i32 3
  store ptr %13, ptr %16, align 8, !tbaa !11
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.png_struct_def, ptr %17, i32 0, i32 17
  %19 = getelementptr inbounds %struct.z_stream_s, ptr %18, i32 0, i32 4
  store i32 0, ptr %19, align 8, !tbaa !22
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = icmp eq ptr %20, null
  br i1 %21, label %22, label %23

22:                                               ; preds = %3
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %23

23:                                               ; preds = %22, %3
  br label %24

24:                                               ; preds = %190, %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 1024, ptr %8) #4
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.png_struct_def, ptr %25, i32 0, i32 17
  %27 = getelementptr inbounds %struct.z_stream_s, ptr %26, i32 0, i32 1
  %28 = load i32, ptr %27, align 8, !tbaa !23
  %29 = icmp eq i32 %28, 0
  br i1 %29, label %30, label %84

30:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  br label %31

31:                                               ; preds = %49, %30
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.png_struct_def, ptr %32, i32 0, i32 29
  %34 = load i32, ptr %33, align 8, !tbaa !24
  %35 = icmp eq i32 %34, 0
  br i1 %35, label %36, label %50

36:                                               ; preds = %31
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = call i32 @png_crc_finish(ptr noundef %37, i32 noundef 0)
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = call i32 @png_read_chunk_header(ptr noundef %39)
  %41 = load ptr, ptr %4, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.png_struct_def, ptr %41, i32 0, i32 29
  store i32 %40, ptr %42, align 8, !tbaa !24
  %43 = load ptr, ptr %4, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.png_struct_def, ptr %43, i32 0, i32 25
  %45 = load i32, ptr %44, align 8, !tbaa !25
  %46 = icmp ne i32 %45, 1229209940
  br i1 %46, label %47, label %49

47:                                               ; preds = %36
  %48 = load ptr, ptr %4, align 8, !tbaa !5
  call void @png_error(ptr noundef %48, ptr noundef @.str.42) #5
  unreachable

49:                                               ; preds = %36
  br label %31, !llvm.loop !26

50:                                               ; preds = %31
  %51 = load ptr, ptr %4, align 8, !tbaa !5
  %52 = getelementptr inbounds %struct.png_struct_def, ptr %51, i32 0, i32 114
  %53 = load i32, ptr %52, align 8, !tbaa !28
  store i32 %53, ptr %9, align 4, !tbaa !29
  %54 = load i32, ptr %9, align 4, !tbaa !29
  %55 = load ptr, ptr %4, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.png_struct_def, ptr %55, i32 0, i32 29
  %57 = load i32, ptr %56, align 8, !tbaa !24
  %58 = icmp ugt i32 %54, %57
  br i1 %58, label %59, label %63

59:                                               ; preds = %50
  %60 = load ptr, ptr %4, align 8, !tbaa !5
  %61 = getelementptr inbounds %struct.png_struct_def, ptr %60, i32 0, i32 29
  %62 = load i32, ptr %61, align 8, !tbaa !24
  store i32 %62, ptr %9, align 4, !tbaa !29
  br label %63

63:                                               ; preds = %59, %50
  %64 = load ptr, ptr %4, align 8, !tbaa !5
  %65 = load i32, ptr %9, align 4, !tbaa !29
  %66 = zext i32 %65 to i64
  %67 = call ptr @png_read_buffer(ptr noundef %64, i64 noundef %66, i32 noundef 0)
  store ptr %67, ptr %10, align 8, !tbaa !5
  %68 = load ptr, ptr %4, align 8, !tbaa !5
  %69 = load ptr, ptr %10, align 8, !tbaa !5
  %70 = load i32, ptr %9, align 4, !tbaa !29
  call void @png_crc_read(ptr noundef %68, ptr noundef %69, i32 noundef %70)
  %71 = load i32, ptr %9, align 4, !tbaa !29
  %72 = load ptr, ptr %4, align 8, !tbaa !5
  %73 = getelementptr inbounds %struct.png_struct_def, ptr %72, i32 0, i32 29
  %74 = load i32, ptr %73, align 8, !tbaa !24
  %75 = sub i32 %74, %71
  store i32 %75, ptr %73, align 8, !tbaa !24
  %76 = load ptr, ptr %10, align 8, !tbaa !5
  %77 = load ptr, ptr %4, align 8, !tbaa !5
  %78 = getelementptr inbounds %struct.png_struct_def, ptr %77, i32 0, i32 17
  %79 = getelementptr inbounds %struct.z_stream_s, ptr %78, i32 0, i32 0
  store ptr %76, ptr %79, align 8, !tbaa !30
  %80 = load i32, ptr %9, align 4, !tbaa !29
  %81 = load ptr, ptr %4, align 8, !tbaa !5
  %82 = getelementptr inbounds %struct.png_struct_def, ptr %81, i32 0, i32 17
  %83 = getelementptr inbounds %struct.z_stream_s, ptr %82, i32 0, i32 1
  store i32 %80, ptr %83, align 8, !tbaa !23
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %84

84:                                               ; preds = %63, %24
  %85 = load ptr, ptr %5, align 8, !tbaa !5
  %86 = icmp ne ptr %85, null
  br i1 %86, label %87, label %104

87:                                               ; preds = %84
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 -1, ptr %11, align 4, !tbaa !29
  %88 = load i32, ptr %11, align 4, !tbaa !29
  %89 = zext i32 %88 to i64
  %90 = load i64, ptr %6, align 8, !tbaa !9
  %91 = icmp ugt i64 %89, %90
  br i1 %91, label %92, label %95

92:                                               ; preds = %87
  %93 = load i64, ptr %6, align 8, !tbaa !9
  %94 = trunc i64 %93 to i32
  store i32 %94, ptr %11, align 4, !tbaa !29
  br label %95

95:                                               ; preds = %92, %87
  %96 = load i32, ptr %11, align 4, !tbaa !29
  %97 = zext i32 %96 to i64
  %98 = load i64, ptr %6, align 8, !tbaa !9
  %99 = sub i64 %98, %97
  store i64 %99, ptr %6, align 8, !tbaa !9
  %100 = load i32, ptr %11, align 4, !tbaa !29
  %101 = load ptr, ptr %4, align 8, !tbaa !5
  %102 = getelementptr inbounds %struct.png_struct_def, ptr %101, i32 0, i32 17
  %103 = getelementptr inbounds %struct.z_stream_s, ptr %102, i32 0, i32 4
  store i32 %100, ptr %103, align 8, !tbaa !22
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %112

104:                                              ; preds = %84
  %105 = getelementptr inbounds [1024 x i8], ptr %8, i64 0, i64 0
  %106 = load ptr, ptr %4, align 8, !tbaa !5
  %107 = getelementptr inbounds %struct.png_struct_def, ptr %106, i32 0, i32 17
  %108 = getelementptr inbounds %struct.z_stream_s, ptr %107, i32 0, i32 3
  store ptr %105, ptr %108, align 8, !tbaa !11
  %109 = load ptr, ptr %4, align 8, !tbaa !5
  %110 = getelementptr inbounds %struct.png_struct_def, ptr %109, i32 0, i32 17
  %111 = getelementptr inbounds %struct.z_stream_s, ptr %110, i32 0, i32 4
  store i32 1024, ptr %111, align 8, !tbaa !22
  br label %112

112:                                              ; preds = %104, %95
  %113 = load ptr, ptr %4, align 8, !tbaa !5
  %114 = getelementptr inbounds %struct.png_struct_def, ptr %113, i32 0, i32 17
  %115 = call i32 @inflate(ptr noundef %114, i32 noundef 0)
  store i32 %115, ptr %7, align 4, !tbaa !29
  %116 = load ptr, ptr %5, align 8, !tbaa !5
  %117 = icmp ne ptr %116, null
  br i1 %117, label %118, label %126

118:                                              ; preds = %112
  %119 = load ptr, ptr %4, align 8, !tbaa !5
  %120 = getelementptr inbounds %struct.png_struct_def, ptr %119, i32 0, i32 17
  %121 = getelementptr inbounds %struct.z_stream_s, ptr %120, i32 0, i32 4
  %122 = load i32, ptr %121, align 8, !tbaa !22
  %123 = zext i32 %122 to i64
  %124 = load i64, ptr %6, align 8, !tbaa !9
  %125 = add i64 %124, %123
  store i64 %125, ptr %6, align 8, !tbaa !9
  br label %135

126:                                              ; preds = %112
  %127 = load ptr, ptr %4, align 8, !tbaa !5
  %128 = getelementptr inbounds %struct.png_struct_def, ptr %127, i32 0, i32 17
  %129 = getelementptr inbounds %struct.z_stream_s, ptr %128, i32 0, i32 4
  %130 = load i32, ptr %129, align 8, !tbaa !22
  %131 = zext i32 %130 to i64
  %132 = sub i64 1024, %131
  %133 = load i64, ptr %6, align 8, !tbaa !9
  %134 = add i64 %133, %132
  store i64 %134, ptr %6, align 8, !tbaa !9
  br label %135

135:                                              ; preds = %126, %118
  %136 = load ptr, ptr %4, align 8, !tbaa !5
  %137 = getelementptr inbounds %struct.png_struct_def, ptr %136, i32 0, i32 17
  %138 = getelementptr inbounds %struct.z_stream_s, ptr %137, i32 0, i32 4
  store i32 0, ptr %138, align 8, !tbaa !22
  %139 = load i32, ptr %7, align 4, !tbaa !29
  %140 = icmp eq i32 %139, 1
  br i1 %140, label %141, label %166

141:                                              ; preds = %135
  %142 = load ptr, ptr %4, align 8, !tbaa !5
  %143 = getelementptr inbounds %struct.png_struct_def, ptr %142, i32 0, i32 17
  %144 = getelementptr inbounds %struct.z_stream_s, ptr %143, i32 0, i32 3
  store ptr null, ptr %144, align 8, !tbaa !11
  %145 = load ptr, ptr %4, align 8, !tbaa !5
  %146 = getelementptr inbounds %struct.png_struct_def, ptr %145, i32 0, i32 13
  %147 = load i32, ptr %146, align 4, !tbaa !31
  %148 = or i32 %147, 8
  store i32 %148, ptr %146, align 4, !tbaa !31
  %149 = load ptr, ptr %4, align 8, !tbaa !5
  %150 = getelementptr inbounds %struct.png_struct_def, ptr %149, i32 0, i32 14
  %151 = load i32, ptr %150, align 8, !tbaa !32
  %152 = or i32 %151, 8
  store i32 %152, ptr %150, align 8, !tbaa !32
  %153 = load ptr, ptr %4, align 8, !tbaa !5
  %154 = getelementptr inbounds %struct.png_struct_def, ptr %153, i32 0, i32 17
  %155 = getelementptr inbounds %struct.z_stream_s, ptr %154, i32 0, i32 1
  %156 = load i32, ptr %155, align 8, !tbaa !23
  %157 = icmp ugt i32 %156, 0
  br i1 %157, label %163, label %158

158:                                              ; preds = %141
  %159 = load ptr, ptr %4, align 8, !tbaa !5
  %160 = getelementptr inbounds %struct.png_struct_def, ptr %159, i32 0, i32 29
  %161 = load i32, ptr %160, align 8, !tbaa !24
  %162 = icmp ugt i32 %161, 0
  br i1 %162, label %163, label %165

163:                                              ; preds = %158, %141
  %164 = load ptr, ptr %4, align 8, !tbaa !5
  call void @png_chunk_benign_error(ptr noundef %164, ptr noundef @.str.43)
  br label %165

165:                                              ; preds = %163, %158
  store i32 2, ptr %12, align 4
  br label %187

166:                                              ; preds = %135
  %167 = load i32, ptr %7, align 4, !tbaa !29
  %168 = icmp ne i32 %167, 0
  br i1 %168, label %169, label %186

169:                                              ; preds = %166
  %170 = load ptr, ptr %4, align 8, !tbaa !5
  %171 = load i32, ptr %7, align 4, !tbaa !29
  call void @png_zstream_error(ptr noundef %170, i32 noundef %171)
  %172 = load ptr, ptr %5, align 8, !tbaa !5
  %173 = icmp ne ptr %172, null
  br i1 %173, label %174, label %180

174:                                              ; preds = %169
  %175 = load ptr, ptr %4, align 8, !tbaa !5
  %176 = load ptr, ptr %4, align 8, !tbaa !5
  %177 = getelementptr inbounds %struct.png_struct_def, ptr %176, i32 0, i32 17
  %178 = getelementptr inbounds %struct.z_stream_s, ptr %177, i32 0, i32 6
  %179 = load ptr, ptr %178, align 8, !tbaa !33
  call void @png_chunk_error(ptr noundef %175, ptr noundef %179) #5
  unreachable

180:                                              ; preds = %169
  %181 = load ptr, ptr %4, align 8, !tbaa !5
  %182 = load ptr, ptr %4, align 8, !tbaa !5
  %183 = getelementptr inbounds %struct.png_struct_def, ptr %182, i32 0, i32 17
  %184 = getelementptr inbounds %struct.z_stream_s, ptr %183, i32 0, i32 6
  %185 = load ptr, ptr %184, align 8, !tbaa !33
  call void @png_chunk_benign_error(ptr noundef %181, ptr noundef %185)
  store i32 1, ptr %12, align 4
  br label %187

186:                                              ; preds = %166
  store i32 0, ptr %12, align 4
  br label %187

187:                                              ; preds = %186, %180, %165
  call void @llvm.lifetime.end.p0(i64 1024, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  %188 = load i32, ptr %12, align 4
  switch i32 %188, label %205 [
    i32 0, label %189
    i32 2, label %193
    i32 1, label %204
  ]

189:                                              ; preds = %187
  br label %190

190:                                              ; preds = %189
  %191 = load i64, ptr %6, align 8, !tbaa !9
  %192 = icmp ugt i64 %191, 0
  br i1 %192, label %24, label %193, !llvm.loop !34

193:                                              ; preds = %190, %187
  %194 = load i64, ptr %6, align 8, !tbaa !9
  %195 = icmp ugt i64 %194, 0
  br i1 %195, label %196, label %204

196:                                              ; preds = %193
  %197 = load ptr, ptr %5, align 8, !tbaa !5
  %198 = icmp ne ptr %197, null
  br i1 %198, label %199, label %201

199:                                              ; preds = %196
  %200 = load ptr, ptr %4, align 8, !tbaa !5
  call void @png_error(ptr noundef %200, ptr noundef @.str.42) #5
  unreachable

201:                                              ; preds = %196
  %202 = load ptr, ptr %4, align 8, !tbaa !5
  call void @png_chunk_benign_error(ptr noundef %202, ptr noundef @.str.44)
  br label %203

203:                                              ; preds = %201
  br label %204

204:                                              ; preds = %203, %193, %187
  ret void

205:                                              ; preds = %187
  unreachable
}

declare i32 @inflate(ptr noundef, i32 noundef) #3

declare void @png_zstream_error(ptr noundef, i32 noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "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 }
attributes #5 = { noreturn }

!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 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 328}
!12 = !{!"png_struct_def", !7, i64 0, !6, i64 200, !6, i64 208, !10, 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, !13, i64 284, !13, i64 288, !13, i64 292, !13, i64 296, !14, i64 304, !13, i64 416, !13, i64 420, !13, i64 424, !13, i64 428, !10, i64 432, !13, i64 440, !13, i64 444, !13, i64 448, !6, i64 456, !6, i64 464, !10, i64 472, !13, i64 480, !13, i64 484, !6, i64 488, !15, i64 496, !13, 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, !13, i64 524, !16, i64 528, !16, i64 538, !13, i64 548, !13, 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, !13, i64 720, !13, i64 724, !10, i64 728, !10, i64 736, !10, i64 744, !10, i64 752, !13, i64 760, !13, i64 764, !6, i64 768, !6, i64 776, !7, i64 784, !7, i64 785, !13, i64 816, !6, i64 824, !6, i64 832, !13, i64 840, !13, i64 844, !6, i64 848, !7, i64 856, !7, i64 857, !15, i64 858, !15, i64 860, !13, 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, !13, i64 932, !13, i64 936, !13, i64 940, !10, i64 944, !18, i64 952, !10, i64 984, !6, i64 992, !10, i64 1000, !13, i64 1008, !13, i64 1012, !6, i64 1016, !7, i64 1024, !19, i64 1056}
!13 = !{!"int", !7, i64 0}
!14 = !{!"z_stream_s", !6, i64 0, !13, i64 8, !10, i64 16, !6, i64 24, !13, i64 32, !10, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !13, i64 88, !10, i64 96, !10, 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, !10, i64 16, !7, i64 24}
!19 = !{!"png_colorspace", !13, i64 0, !20, i64 4, !21, i64 36, !15, i64 72, !15, i64 74}
!20 = !{!"png_xy", !13, i64 0, !13, i64 4, !13, i64 8, !13, i64 12, !13, i64 16, !13, i64 20, !13, i64 24, !13, i64 28}
!21 = !{!"png_XYZ", !13, i64 0, !13, i64 4, !13, i64 8, !13, i64 12, !13, i64 16, !13, i64 20, !13, i64 24, !13, i64 28, !13, i64 32}
!22 = !{!12, !13, i64 336}
!23 = !{!12, !13, i64 312}
!24 = !{!12, !13, i64 480}
!25 = !{!12, !13, i64 448}
!26 = distinct !{!26, !27}
!27 = !{!"llvm.loop.mustprogress"}
!28 = !{!12, !13, i64 1008}
!29 = !{!13, !13, i64 0}
!30 = !{!12, !6, i64 304}
!31 = !{!12, !13, i64 284}
!32 = !{!12, !13, i64 288}
!33 = !{!12, !6, i64 352}
!34 = distinct !{!34, !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"

@.str.42 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.43 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.44 = external hidden unnamed_addr constant [20 x i8], align 1

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

; Function Attrs: noreturn
declare void @png_error(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress 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_read_chunk_header(ptr noalias noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @png_crc_read(ptr noalias noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @png_crc_finish(ptr noalias noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: noreturn
declare void @png_chunk_error(ptr noundef, ptr noundef) local_unnamed_addr #1

declare void @png_chunk_benign_error(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
declare hidden ptr @png_read_buffer(ptr noalias noundef, i64 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @png_read_IDAT_data(ptr noalias noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #2 {
  %4 = alloca [1024 x i8], align 16
  %5 = getelementptr inbounds i8, ptr %0, i64 304
  %6 = getelementptr inbounds i8, ptr %0, i64 328
  store ptr %1, ptr %6, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 336
  store i32 0, ptr %7, align 8, !tbaa !20
  %8 = icmp eq ptr %1, null
  %9 = getelementptr inbounds i8, ptr %0, i64 312
  %10 = getelementptr inbounds i8, ptr %0, i64 480
  %11 = getelementptr inbounds i8, ptr %0, i64 448
  %12 = getelementptr inbounds i8, ptr %0, i64 1008
  br i1 %8, label %.split.us, label %.split

.split.us:                                        ; preds = %3, %28
  %.1.us = phi i64 [ %27, %28 ], [ 0, %3 ]
  call void @llvm.lifetime.start.p0(i64 1024, ptr nonnull %4) #5
  %13 = load i32, ptr %9, align 8, !tbaa !21
  %14 = icmp eq i32 %13, 0
  br i1 %14, label %.preheader.us.preheader, label %23

.preheader.us.preheader:                          ; preds = %.split.us
  %.pre124 = load i32, ptr %10, align 8, !tbaa !22
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %29
  %15 = phi i32 [ %.pre124, %.preheader.us.preheader ], [ %31, %29 ]
  %16 = icmp eq i32 %15, 0
  br i1 %16, label %29, label %17

17:                                               ; preds = %.preheader.us
  %18 = load i32, ptr %12, align 8, !tbaa !23
  %spec.select75.us = call i32 @llvm.umin.i32(i32 %18, i32 %15)
  %19 = zext i32 %spec.select75.us to i64
  %20 = call ptr @png_read_buffer(ptr noundef nonnull %0, i64 noundef %19, i32 noundef 0)
  call void @png_crc_read(ptr noundef nonnull %0, ptr noundef %20, i32 noundef %spec.select75.us)
  %21 = load i32, ptr %10, align 8, !tbaa !22
  %22 = sub i32 %21, %spec.select75.us
  store i32 %22, ptr %10, align 8, !tbaa !22
  store ptr %20, ptr %5, align 8, !tbaa !24
  store i32 %spec.select75.us, ptr %9, align 8, !tbaa !21
  br label %23

23:                                               ; preds = %17, %.split.us
  store ptr %4, ptr %6, align 8, !tbaa !5
  store i32 1024, ptr %7, align 8, !tbaa !20
  %24 = call i32 @inflate(ptr noundef nonnull %5, i32 noundef 0) #5
  %25 = load i32, ptr %7, align 8, !tbaa !20
  %26 = zext i32 %25 to i64
  %reass.sub.us = add i64 %.1.us, 1024
  %27 = sub i64 %reass.sub.us, %26
  store i32 0, ptr %7, align 8, !tbaa !20
  switch i32 %24, label %.split98.us [
    i32 1, label %.split100.us
    i32 0, label %28
  ]

28:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %4) #5
  %cond.us = icmp eq i64 %27, 0
  br i1 %cond.us, label %.loopexit, label %.split.us

29:                                               ; preds = %.preheader.us
  %30 = call i32 @png_crc_finish(ptr noundef nonnull %0, i32 noundef 0)
  %31 = call i32 @png_read_chunk_header(ptr noundef nonnull %0)
  store i32 %31, ptr %10, align 8, !tbaa !22
  %32 = load i32, ptr %11, align 8, !tbaa !25
  %.not74.us = icmp eq i32 %32, 1229209940
  br i1 %.not74.us, label %.preheader.us, label %.split104.us, !llvm.loop !26

.split:                                           ; preds = %3, %64
  %.1 = phi i64 [ %52, %64 ], [ %2, %3 ]
  call void @llvm.lifetime.start.p0(i64 1024, ptr nonnull %4) #5
  %33 = load i32, ptr %9, align 8, !tbaa !21
  %34 = icmp eq i32 %33, 0
  br i1 %34, label %.preheader.preheader, label %47

.preheader.preheader:                             ; preds = %.split
  %.pre = load i32, ptr %10, align 8, !tbaa !22
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %37
  %35 = phi i32 [ %.pre, %.preheader.preheader ], [ %39, %37 ]
  %36 = icmp eq i32 %35, 0
  br i1 %36, label %37, label %41

37:                                               ; preds = %.preheader
  %38 = tail call i32 @png_crc_finish(ptr noundef nonnull %0, i32 noundef 0)
  %39 = tail call i32 @png_read_chunk_header(ptr noundef nonnull %0)
  store i32 %39, ptr %10, align 8, !tbaa !22
  %40 = load i32, ptr %11, align 8, !tbaa !25
  %.not74 = icmp eq i32 %40, 1229209940
  br i1 %.not74, label %.preheader, label %.split104.us, !llvm.loop !26

.split104.us:                                     ; preds = %37, %29
  call void @png_error(ptr noundef nonnull %0, ptr noundef nonnull @.str.42) #6
  unreachable

41:                                               ; preds = %.preheader
  %42 = load i32, ptr %12, align 8, !tbaa !23
  %spec.select75 = tail call i32 @llvm.umin.i32(i32 %42, i32 %35)
  %43 = zext i32 %spec.select75 to i64
  %44 = tail call ptr @png_read_buffer(ptr noundef nonnull %0, i64 noundef %43, i32 noundef 0)
  tail call void @png_crc_read(ptr noundef nonnull %0, ptr noundef %44, i32 noundef %spec.select75)
  %45 = load i32, ptr %10, align 8, !tbaa !22
  %46 = sub i32 %45, %spec.select75
  store i32 %46, ptr %10, align 8, !tbaa !22
  store ptr %44, ptr %5, align 8, !tbaa !24
  store i32 %spec.select75, ptr %9, align 8, !tbaa !21
  br label %47

47:                                               ; preds = %41, %.split
  %spec.select7684 = tail call i64 @llvm.umin.i64(i64 %.1, i64 4294967295)
  %spec.select76 = trunc nuw i64 %spec.select7684 to i32
  %48 = sub i64 %.1, %spec.select7684
  store i32 %spec.select76, ptr %7, align 8, !tbaa !20
  %49 = tail call i32 @inflate(ptr noundef nonnull %5, i32 noundef 0) #5
  %50 = load i32, ptr %7, align 8, !tbaa !20
  %51 = zext i32 %50 to i64
  %52 = add i64 %48, %51
  store i32 0, ptr %7, align 8, !tbaa !20
  switch i32 %49, label %.split98.us [
    i32 1, label %.split100.us
    i32 0, label %64
  ]

.split100.us:                                     ; preds = %47, %23
  %.us-phi102 = phi i64 [ %27, %23 ], [ %52, %47 ]
  store ptr null, ptr %6, align 8, !tbaa !5
  %53 = getelementptr inbounds i8, ptr %0, i64 284
  %54 = load <2 x i32>, ptr %53, align 4, !tbaa !28
  %55 = or <2 x i32> %54, <i32 8, i32 8>
  store <2 x i32> %55, ptr %53, align 4, !tbaa !28
  %56 = load i32, ptr %9, align 8, !tbaa !21
  %.not70 = icmp eq i32 %56, 0
  br i1 %.not70, label %57, label %59

57:                                               ; preds = %.split100.us
  %58 = load i32, ptr %10, align 8, !tbaa !22
  %.not71 = icmp eq i32 %58, 0
  br i1 %.not71, label %65, label %59

59:                                               ; preds = %57, %.split100.us
  call void @png_chunk_benign_error(ptr noundef nonnull %0, ptr noundef nonnull @.str.43) #5
  br label %65

.split98.us:                                      ; preds = %47, %23
  %.us-phi = phi i32 [ %24, %23 ], [ %49, %47 ]
  call void @png_zstream_error(ptr noundef nonnull %0, i32 noundef %.us-phi) #5
  %60 = getelementptr inbounds i8, ptr %0, i64 352
  %61 = load ptr, ptr %60, align 8, !tbaa !29
  br i1 %8, label %63, label %62

62:                                               ; preds = %.split98.us
  call void @png_chunk_error(ptr noundef nonnull %0, ptr noundef %61) #6
  unreachable

63:                                               ; preds = %.split98.us
  call void @png_chunk_benign_error(ptr noundef nonnull %0, ptr noundef %61) #5
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %4) #5
  br label %.loopexit

64:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %4) #5
  %cond = icmp eq i64 %52, 0
  br i1 %cond, label %.loopexit, label %.split

65:                                               ; preds = %59, %57
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %4) #5
  %.not73 = icmp eq i64 %.us-phi102, 0
  br i1 %.not73, label %.loopexit, label %66

66:                                               ; preds = %65
  br i1 %8, label %68, label %67

67:                                               ; preds = %66
  call void @png_error(ptr noundef nonnull %0, ptr noundef nonnull @.str.42) #6
  unreachable

68:                                               ; preds = %66
  call void @png_chunk_benign_error(ptr noundef nonnull %0, ptr noundef nonnull @.str.44) #5
  br label %.loopexit

.loopexit:                                        ; preds = %64, %28, %63, %68, %65
  ret void
}

declare i32 @inflate(ptr noundef, i32 noundef) local_unnamed_addr #3

declare void @png_zstream_error(ptr noundef, i32 noundef) local_unnamed_addr #3

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.umin.i64(i64, i64) #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { nounwind }
attributes #6 = { noreturn 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, !9, i64 328}
!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, !11, i64 336}
!21 = !{!6, !11, i64 312}
!22 = !{!6, !11, i64 480}
!23 = !{!6, !11, i64 1008}
!24 = !{!6, !9, i64 304}
!25 = !{!6, !11, i64 448}
!26 = distinct !{!26, !27}
!27 = !{!"llvm.loop.mustprogress"}
!28 = !{!11, !11, i64 0}
!29 = !{!6, !9, i64 352}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass