; LLVM IR from avaneev/biteopt :: example2 (main)

; 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"

@lb = external dso_local global [5 x double], align 16
@ub = external dso_local global [5 x double], align 16
@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z2fniPKdPv(i32 noundef, ptr noundef, ptr noundef) #0

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca [5 x double], align 16
  %3 = alloca double, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 40, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %6 = getelementptr inbounds [5 x double], ptr %2, i64 0, i64 0
  %7 = call noundef i32 @_Z16biteopt_minimizeiPFdiPKdPvES1_S0_S0_PdS4_iiiiPFjS1_ES1_S4_(i32 noundef 5, ptr noundef @_Z2fniPKdPv, ptr noundef null, ptr noundef @lb, ptr noundef @ub, ptr noundef %6, ptr noundef %3, i32 noundef 20000, i32 noundef 1, i32 noundef 1, i32 noundef 1, ptr noundef null, ptr noundef null, ptr noundef null)
  store i32 %7, ptr %4, align 4, !tbaa !5
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %8)
  %10 = load double, ptr %3, align 8, !tbaa !9
  %11 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, double noundef %10)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %22, %0
  %13 = load i32, ptr %5, align 4, !tbaa !5
  %14 = icmp slt i32 %13, 5
  br i1 %14, label %15, label %25

15:                                               ; preds = %12
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = load i32, ptr %5, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [5 x double], ptr %2, i64 0, i64 %18
  %20 = load double, ptr %19, align 8, !tbaa !9
  %21 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %16, double noundef %20)
  br label %22

22:                                               ; preds = %15
  %23 = load i32, ptr %5, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %5, align 4, !tbaa !5
  br label %12, !llvm.loop !11

25:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %2) #5
  %26 = load i32, ptr %1, align 4
  ret i32 %26
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_Z16biteopt_minimizeiPFdiPKdPvES1_S0_S0_PdS4_iiiiPFjS1_ES1_S4_(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) #3

declare i32 @printf(ptr noundef, ...) #4

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress norecurse 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 = { inlinehint 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 #4 = { "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 #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@lb = external dso_local global [5 x double], align 16
@ub = external dso_local global [5 x double], align 16
@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z2fniPKdPv(i32 noundef, ptr noundef, ptr noundef) #0

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca [5 x double], align 16
  %2 = alloca double, align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %3 = call noundef i32 @_Z16biteopt_minimizeiPFdiPKdPvES1_S0_S0_PdS4_iiiiPFjS1_ES1_S4_(i32 noundef 5, ptr noundef nonnull @_Z2fniPKdPv, ptr noundef null, ptr noundef nonnull @lb, ptr noundef nonnull @ub, ptr noundef nonnull %1, ptr noundef nonnull %2, i32 noundef 20000, i32 noundef 1, i32 noundef 1, i32 noundef 1, ptr noundef null, ptr noundef null, ptr noundef null)
  %4 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %3)
  %5 = load double, ptr %2, align 8, !tbaa !5
  %6 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, double noundef %5)
  %7 = load double, ptr %1, align 16, !tbaa !5
  %8 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef 0, double noundef %7)
  %9 = getelementptr inbounds i8, ptr %1, i64 8
  %10 = load double, ptr %9, align 8, !tbaa !5
  %11 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef 1, double noundef %10)
  %12 = getelementptr inbounds i8, ptr %1, i64 16
  %13 = load double, ptr %12, align 16, !tbaa !5
  %14 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef 2, double noundef %13)
  %15 = getelementptr inbounds i8, ptr %1, i64 24
  %16 = load double, ptr %15, align 8, !tbaa !5
  %17 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef 3, double noundef %16)
  %18 = getelementptr inbounds i8, ptr %1, i64 32
  %19 = load double, ptr %18, align 16, !tbaa !5
  %20 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef 4, double noundef %19)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #5
  ret i32 0
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_Z16biteopt_minimizeiPFdiPKdPvES1_S0_S0_PdS4_iiiiPFjS1_ES1_S4_(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress norecurse 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 = { inlinehint 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 #4 = { nofree 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 #5 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass