; LLVM IR from facebookresearch/habitat-sim :: src/deps/basis-universal/encoder/lodepng.ll (Z17lodepng_load_filePPhPmPKc)

; 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"

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z17lodepng_load_filePPhPmPKc(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %10 = load ptr, ptr %7, align 8, !tbaa !5
  %11 = call noundef i64 @_ZL16lodepng_filesizePKc(ptr noundef %10)
  store i64 %11, ptr %8, align 8, !tbaa !9
  %12 = load i64, ptr %8, align 8, !tbaa !9
  %13 = icmp slt i64 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %3
  store i32 78, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %34

15:                                               ; preds = %3
  %16 = load i64, ptr %8, align 8, !tbaa !9
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  store i64 %16, ptr %17, align 8, !tbaa !9
  %18 = load i64, ptr %8, align 8, !tbaa !9
  %19 = call noundef ptr @_ZL14lodepng_mallocm(i64 noundef %18)
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %19, ptr %20, align 8, !tbaa !5
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %28, label %24

24:                                               ; preds = %15
  %25 = load i64, ptr %8, align 8, !tbaa !9
  %26 = icmp sgt i64 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %24
  store i32 83, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %34

28:                                               ; preds = %24, %15
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = load ptr, ptr %29, align 8, !tbaa !5
  %31 = load i64, ptr %8, align 8, !tbaa !9
  %32 = load ptr, ptr %7, align 8, !tbaa !5
  %33 = call noundef i32 @_ZL19lodepng_buffer_filePhmPKc(ptr noundef %30, i64 noundef %31, ptr noundef %32)
  store i32 %33, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %34

34:                                               ; preds = %28, %27, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %35 = load i32, ptr %4, align 4
  ret i32 %35
}

; 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 hidden noundef i64 @_ZL16lodepng_filesizePKc(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef ptr @_ZL14lodepng_mallocm(i64 noundef) #2

; Function Attrs: mustprogress uwtable
declare hidden noundef i32 @_ZL19lodepng_buffer_filePhmPKc(ptr noundef, i64 noundef, ptr noundef) #0

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

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 = { 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 = !{!"long", !7, i64 0}


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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z17lodepng_load_filePPhPmPKc(ptr nocapture noundef writeonly %0, ptr nocapture noundef writeonly %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = tail call noundef i64 @_ZL16lodepng_filesizePKc(ptr noundef %2)
  %5 = icmp slt i64 %4, 0
  br i1 %5, label %12, label %6

6:                                                ; preds = %3
  store i64 %4, ptr %1, align 8, !tbaa !5
  %7 = tail call noundef ptr @_ZL14lodepng_mallocm(i64 noundef %4)
  store ptr %7, ptr %0, align 8, !tbaa !9
  %8 = icmp eq ptr %7, null
  %9 = icmp ne i64 %4, 0
  %or.cond = and i1 %9, %8
  br i1 %or.cond, label %12, label %10

10:                                               ; preds = %6
  %11 = tail call noundef i32 @_ZL19lodepng_buffer_filePhmPKc(ptr noundef %7, i64 noundef %4, ptr noundef %2)
  br label %12

12:                                               ; preds = %6, %3, %10
  %.0 = phi i32 [ %11, %10 ], [ 78, %3 ], [ 83, %6 ]
  ret i32 %.0
}

; Function Attrs: mustprogress uwtable
declare hidden noundef i64 @_ZL16lodepng_filesizePKc(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef ptr @_ZL14lodepng_mallocm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare hidden noundef i32 @_ZL19lodepng_buffer_filePhmPKc(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

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 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" }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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