; LLVM IR from ritikbanger/Hacktoberfest2022-DSA :: 04. Arrays/minAndMaxIntInArray.ll (Z6minMaxPii)

; 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"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [8 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6minMaxPii(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %64, %2
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = sub nsw i32 %11, 1
  %13 = icmp slt i32 %10, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %9
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %67

15:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %60, %15
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = load i32, ptr %4, align 4, !tbaa !9
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = sub nsw i32 %18, %19
  %21 = sub nsw i32 %20, 1
  %22 = icmp slt i32 %17, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %16
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %63

24:                                               ; preds = %16
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = load i32, ptr %7, align 4, !tbaa !9
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds i32, ptr %25, i64 %27
  %29 = load i32, ptr %28, align 4, !tbaa !9
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = load i32, ptr %7, align 4, !tbaa !9
  %32 = add nsw i32 %31, 1
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds i32, ptr %30, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !9
  %36 = icmp sgt i32 %29, %35
  br i1 %36, label %37, label %59

37:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %38 = load ptr, ptr %3, align 8, !tbaa !5
  %39 = load i32, ptr %7, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds i32, ptr %38, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !9
  store i32 %43, ptr %8, align 4, !tbaa !9
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = load i32, ptr %7, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds i32, ptr %44, i64 %46
  %48 = load i32, ptr %47, align 4, !tbaa !9
  %49 = load ptr, ptr %3, align 8, !tbaa !5
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = add nsw i32 %50, 1
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds i32, ptr %49, i64 %52
  store i32 %48, ptr %53, align 4, !tbaa !9
  %54 = load i32, ptr %8, align 4, !tbaa !9
  %55 = load ptr, ptr %3, align 8, !tbaa !5
  %56 = load i32, ptr %7, align 4, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds i32, ptr %55, i64 %57
  store i32 %54, ptr %58, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %59

59:                                               ; preds = %37, %24
  br label %60

60:                                               ; preds = %59
  %61 = load i32, ptr %7, align 4, !tbaa !9
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %7, align 4, !tbaa !9
  br label %16, !llvm.loop !11

63:                                               ; preds = %23
  br label %64

64:                                               ; preds = %63
  %65 = load i32, ptr %5, align 4, !tbaa !9
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %5, align 4, !tbaa !9
  br label %9, !llvm.loop !13

67:                                               ; preds = %14
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %69 = load ptr, ptr %3, align 8, !tbaa !5
  %70 = load i32, ptr %4, align 4, !tbaa !9
  %71 = sub nsw i32 %70, 1
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds i32, ptr %69, i64 %72
  %74 = load i32, ptr %73, align 4, !tbaa !9
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %68, i32 noundef %74)
  %76 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef @.str.1)
  %77 = load ptr, ptr %3, align 8, !tbaa !5
  %78 = getelementptr inbounds i32, ptr %77, i64 0
  %79 = load i32, ptr %78, align 4, !tbaa !9
  %80 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %76, i32 noundef %79)
  %81 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %80, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { "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 = { 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 = !{!"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"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [8 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6minMaxPii(ptr nocapture noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = add i32 %1, -1
  %4 = icmp sgt i32 %1, 1
  br i1 %4, label %.preheader.preheader, label %._crit_edge28

.preheader.preheader:                             ; preds = %2
  %invariant.gep = getelementptr i8, ptr %0, i64 4
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %._crit_edge
  %indvars.iv30 = phi i32 [ %indvars.iv.next31, %._crit_edge ], [ %3, %.preheader.preheader ]
  %.027 = phi i32 [ %22, %._crit_edge ], [ 0, %.preheader.preheader ]
  %5 = zext i32 %indvars.iv30 to i64
  %6 = sub nsw i32 %.027, %1
  %7 = icmp slt i32 %6, -1
  br i1 %7, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.preheader
  %.pre = load i32, ptr %0, align 4, !tbaa !5
  %xtraiter = and i64 %5, 1
  %8 = icmp eq i32 %indvars.iv30, 1
  br i1 %8, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %5, 4294967294
  br label %.lr.ph

._crit_edge28:                                    ; preds = %._crit_edge, %2
  %9 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %10 = sext i32 %3 to i64
  %11 = getelementptr inbounds i32, ptr %0, i64 %10
  %12 = load i32, ptr %11, align 4, !tbaa !5
  %13 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %9, i32 noundef %12)
  %14 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull @.str.1)
  %15 = load i32, ptr %0, align 4, !tbaa !5
  %16 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %14, i32 noundef %15)
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret void

._crit_edge.loopexit.unr-lcssa:                   ; preds = %35, %.lr.ph.preheader
  %.unr = phi i32 [ %.pre, %.lr.ph.preheader ], [ %36, %35 ]
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next.1, %35 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa
  %gep = getelementptr i32, ptr %invariant.gep, i64 %indvars.iv.unr
  %18 = load i32, ptr %gep, align 4, !tbaa !5
  %19 = icmp sgt i32 %.unr, %18
  br i1 %19, label %20, label %._crit_edge

20:                                               ; preds = %.lr.ph.epil
  %21 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv.unr
  store i32 %.unr, ptr %gep, align 4, !tbaa !5
  store i32 %18, ptr %21, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %20, %.lr.ph.epil, %.preheader
  %22 = add nuw nsw i32 %.027, 1
  %indvars.iv.next31 = add i32 %indvars.iv30, -1
  %exitcond32.not = icmp eq i32 %22, %3
  br i1 %exitcond32.not, label %._crit_edge28, label %.preheader, !llvm.loop !9

.lr.ph:                                           ; preds = %35, %.lr.ph.preheader.new
  %23 = phi i32 [ %.pre, %.lr.ph.preheader.new ], [ %36, %35 ]
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader.new ], [ %indvars.iv.next.1, %35 ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %35 ]
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %24 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv.next
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = icmp sgt i32 %23, %25
  br i1 %26, label %27, label %.lr.ph.1

27:                                               ; preds = %.lr.ph
  %28 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv
  store i32 %23, ptr %24, align 4, !tbaa !5
  store i32 %25, ptr %28, align 4, !tbaa !5
  br label %.lr.ph.1

.lr.ph.1:                                         ; preds = %.lr.ph, %27
  %29 = phi i32 [ %25, %.lr.ph ], [ %23, %27 ]
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %30 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv.next.1
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = icmp sgt i32 %29, %31
  br i1 %32, label %33, label %35

33:                                               ; preds = %.lr.ph.1
  %34 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv.next
  store i32 %29, ptr %30, align 4, !tbaa !5
  store i32 %31, ptr %34, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %33, %.lr.ph.1
  %36 = phi i32 [ %31, %.lr.ph.1 ], [ %29, %33 ]
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !11
}

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #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 = { 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 #2 = { "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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