; 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.gdFont = type { i32, i32, i32, i32, ptr }

; 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 @gdImageCharUp(ptr noundef, ptr noundef, i32 noundef, i32 noundef, i8 noundef signext, i32 noundef) #1

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @gdImageStringUp(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3, ptr noundef %4, i32 noundef %5) #1 {
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %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 ptr %1, ptr %8, align 8, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !9
  store i32 %3, ptr %10, align 4, !tbaa !9
  store ptr %4, ptr %11, align 8, !tbaa !5
  store i32 %5, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  %15 = load ptr, ptr %11, align 8, !tbaa !5
  %16 = call i64 @strlen(ptr noundef %15) #4
  %17 = trunc i64 %16 to i32
  store i32 %17, ptr %14, align 4, !tbaa !9
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %38, %6
  %19 = load i32, ptr %13, align 4, !tbaa !9
  %20 = load i32, ptr %14, align 4, !tbaa !9
  %21 = icmp slt i32 %19, %20
  br i1 %21, label %22, label %41

22:                                               ; preds = %18
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  %25 = load i32, ptr %9, align 4, !tbaa !9
  %26 = load i32, ptr %10, align 4, !tbaa !9
  %27 = load ptr, ptr %11, align 8, !tbaa !5
  %28 = load i32, ptr %13, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds i8, ptr %27, i64 %29
  %31 = load i8, ptr %30, align 1, !tbaa !11
  %32 = load i32, ptr %12, align 4, !tbaa !9
  call void @gdImageCharUp(ptr noundef %23, ptr noundef %24, i32 noundef %25, i32 noundef %26, i8 noundef signext %31, i32 noundef %32)
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.gdFont, ptr %33, i32 0, i32 2
  %35 = load i32, ptr %34, align 8, !tbaa !12
  %36 = load i32, ptr %10, align 4, !tbaa !9
  %37 = sub nsw i32 %36, %35
  store i32 %37, ptr %10, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %22
  %39 = load i32, ptr %13, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %13, align 4, !tbaa !9
  br label %18, !llvm.loop !14

41:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  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 willreturn memory(read) "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 }
attributes #4 = { nounwind willreturn memory(read) }

!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 = !{!7, !7, i64 0}
!12 = !{!13, !10, i64 8}
!13 = !{!"", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !6, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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 @gdImageCharUp(ptr noundef, ptr noundef, i32 noundef, i32 noundef, i8 noundef signext, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @gdImageStringUp(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3, ptr nocapture noundef readonly %4, i32 noundef %5) local_unnamed_addr #0 {
  %7 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %4) #2
  %8 = trunc i64 %7 to i32
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %6
  %10 = getelementptr inbounds i8, ptr %1, i64 8
  %wide.trip.count = and i64 %7, 2147483647
  br label %11

11:                                               ; preds = %.lr.ph, %11
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %11 ]
  %.014 = phi i32 [ %3, %.lr.ph ], [ %15, %11 ]
  %12 = getelementptr inbounds i8, ptr %4, i64 %indvars.iv
  %13 = load i8, ptr %12, align 1, !tbaa !5
  tail call void @gdImageCharUp(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %.014, i8 noundef signext %13, i32 noundef %5)
  %14 = load i32, ptr %10, align 8, !tbaa !8
  %15 = sub nsw i32 %.014, %14
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %11, !llvm.loop !12

._crit_edge:                                      ; preds = %11, %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" }
attributes #1 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 willreturn memory(read) }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !10, i64 8}
!9 = !{!"", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !11, i64 16}
!10 = !{!"int", !6, i64 0}
!11 = !{!"any pointer", !6, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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