; LLVM IR from NOAA-PMEL/Ferret :: xgks/src/lib (gd)

; 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.gdImageStruct = type { ptr, i32, i32, i32, [256 x i32], [256 x i32], [256 x i32], [256 x i32], i32, ptr, i32, ptr, ptr, [256 x i32], [256 x i32], i32, i32, ptr, 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
define dso_local void @gdImageDestroy(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %18, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.gdImageStruct, ptr %6, i32 0, i32 1
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = icmp slt i32 %5, %8
  br i1 %9, label %10, label %21

10:                                               ; preds = %4
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.gdImageStruct, ptr %11, i32 0, i32 0
  %13 = load ptr, ptr %12, align 8, !tbaa !13
  %14 = load i32, ptr %3, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds ptr, ptr %13, i64 %15
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  call void @free(ptr noundef %17) #3
  br label %18

18:                                               ; preds = %10
  %19 = load i32, ptr %3, align 4, !tbaa !9
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !14

21:                                               ; preds = %4
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.gdImageStruct, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  call void @free(ptr noundef %24) #3
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.gdImageStruct, ptr %25, i32 0, i32 9
  %27 = load ptr, ptr %26, align 8, !tbaa !16
  %28 = icmp ne ptr %27, null
  br i1 %28, label %29, label %33

29:                                               ; preds = %21
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.gdImageStruct, ptr %30, i32 0, i32 9
  %32 = load ptr, ptr %31, align 8, !tbaa !16
  call void @free(ptr noundef %32) #3
  br label %33

33:                                               ; preds = %29, %21
  %34 = load ptr, ptr %2, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.gdImageStruct, ptr %34, i32 0, i32 17
  %36 = load ptr, ptr %35, align 8, !tbaa !17
  %37 = icmp ne ptr %36, null
  br i1 %37, label %38, label %42

38:                                               ; preds = %33
  %39 = load ptr, ptr %2, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.gdImageStruct, ptr %39, i32 0, i32 17
  %41 = load ptr, ptr %40, align 8, !tbaa !17
  call void @free(ptr noundef %41) #3
  br label %42

42:                                               ; preds = %38, %33
  %43 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %43) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret void
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

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 "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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"gdImageStruct", !6, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !7, i64 20, !7, i64 1044, !7, i64 2068, !7, i64 3092, !10, i64 4116, !6, i64 4120, !10, i64 4128, !6, i64 4136, !6, i64 4144, !7, i64 4152, !7, i64 5176, !10, i64 6200, !10, i64 6204, !6, i64 6208, !10, i64 6216, !10, i64 6220, !10, i64 6224, !10, i64 6228, !10, i64 6232}
!13 = !{!12, !6, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!12, !6, i64 4120}
!17 = !{!12, !6, i64 6208}


; 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
define dso_local void @gdImageDestroy(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %1 ]
  %5 = load ptr, ptr %0, align 8, !tbaa !11
  %6 = getelementptr inbounds ptr, ptr %5, i64 %indvars.iv
  %7 = load ptr, ptr %6, align 8, !tbaa !12
  tail call void @free(ptr noundef %7) #2
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %8 = load i32, ptr %2, align 8, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = icmp slt i64 %indvars.iv.next, %9
  br i1 %10, label %.lr.ph, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph, %1
  %11 = load ptr, ptr %0, align 8, !tbaa !11
  tail call void @free(ptr noundef %11) #2
  %12 = getelementptr inbounds i8, ptr %0, i64 4120
  %13 = load ptr, ptr %12, align 8, !tbaa !15
  %.not = icmp eq ptr %13, null
  br i1 %.not, label %15, label %14

14:                                               ; preds = %._crit_edge
  tail call void @free(ptr noundef nonnull %13) #2
  br label %15

15:                                               ; preds = %14, %._crit_edge
  %16 = getelementptr inbounds i8, ptr %0, i64 6208
  %17 = load ptr, ptr %16, align 8, !tbaa !16
  %.not12 = icmp eq ptr %17, null
  br i1 %.not12, label %19, label %18

18:                                               ; preds = %15
  tail call void @free(ptr noundef nonnull %17) #2
  br label %19

19:                                               ; preds = %18, %15
  tail call void @free(ptr noundef nonnull %0) #2
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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, !10, i64 8}
!6 = !{!"gdImageStruct", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !8, i64 20, !8, i64 1044, !8, i64 2068, !8, i64 3092, !10, i64 4116, !7, i64 4120, !10, i64 4128, !7, i64 4136, !7, i64 4144, !8, i64 4152, !8, i64 5176, !10, i64 6200, !10, i64 6204, !7, i64 6208, !10, i64 6216, !10, i64 6220, !10, i64 6224, !10, i64 6228, !10, i64 6232}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!7, !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!6, !7, i64 4120}
!16 = !{!6, !7, i64 6208}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass