; 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"

; 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 void @gdImageSetPixel(ptr noundef, i32 noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @gdImageFilledRectangle(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) #1 {
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !9
  store i32 %2, ptr %9, align 4, !tbaa !9
  store i32 %3, ptr %10, align 4, !tbaa !9
  store i32 %4, ptr %11, align 4, !tbaa !9
  store i32 %5, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #2
  %15 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %15, ptr %14, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %35, %6
  %17 = load i32, ptr %14, align 4, !tbaa !9
  %18 = load i32, ptr %11, align 4, !tbaa !9
  %19 = icmp sle i32 %17, %18
  br i1 %19, label %20, label %38

20:                                               ; preds = %16
  %21 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %21, ptr %13, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %31, %20
  %23 = load i32, ptr %13, align 4, !tbaa !9
  %24 = load i32, ptr %10, align 4, !tbaa !9
  %25 = icmp sle i32 %23, %24
  br i1 %25, label %26, label %34

26:                                               ; preds = %22
  %27 = load ptr, ptr %7, align 8, !tbaa !5
  %28 = load i32, ptr %13, align 4, !tbaa !9
  %29 = load i32, ptr %14, align 4, !tbaa !9
  %30 = load i32, ptr %12, align 4, !tbaa !9
  call void @gdImageSetPixel(ptr noundef %27, i32 noundef %28, i32 noundef %29, i32 noundef %30)
  br label %31

31:                                               ; preds = %26
  %32 = load i32, ptr %13, align 4, !tbaa !9
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %13, align 4, !tbaa !9
  br label %22, !llvm.loop !11

34:                                               ; preds = %22
  br label %35

35:                                               ; preds = %34
  %36 = load i32, ptr %14, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %14, align 4, !tbaa !9
  br label %16, !llvm.loop !13

38:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  ret void
}

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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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 void @gdImageSetPixel(ptr noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @gdImageFilledRectangle(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) local_unnamed_addr #0 {
  %.not15 = icmp sgt i32 %2, %4
  %.not1213 = icmp sgt i32 %1, %3
  %or.cond = or i1 %.not15, %.not1213
  br i1 %or.cond, label %._crit_edge17, label %.preheader

.preheader:                                       ; preds = %6, %._crit_edge
  %.016 = phi i32 [ %9, %._crit_edge ], [ %2, %6 ]
  br label %7

7:                                                ; preds = %.preheader, %7
  %.01114 = phi i32 [ %1, %.preheader ], [ %8, %7 ]
  tail call void @gdImageSetPixel(ptr noundef %0, i32 noundef %.01114, i32 noundef %.016, i32 noundef %5)
  %8 = add i32 %.01114, 1
  %exitcond.not = icmp eq i32 %.01114, %3
  br i1 %exitcond.not, label %._crit_edge, label %7, !llvm.loop !5

._crit_edge:                                      ; preds = %7
  %9 = add i32 %.016, 1
  %exitcond19.not = icmp eq i32 %.016, %4
  br i1 %exitcond19.not, label %._crit_edge17, label %.preheader, !llvm.loop !7

._crit_edge17:                                    ; preds = %._crit_edge, %6
  ret void
}

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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass