; LLVM IR from amritansh22/Data-Structures-and-Algorithms-in-cpp :: Segment_tree.ll (Z15updateValueUtilPiiiiii)

; 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: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z6getMidii(i32 noundef, i32 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 uwtable
define dso_local void @_Z15updateValueUtilPiiiiii(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) #2 {
  %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
  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
  %14 = load i32, ptr %10, align 4, !tbaa !9
  %15 = load i32, ptr %8, align 4, !tbaa !9
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %21, label %17

17:                                               ; preds = %6
  %18 = load i32, ptr %10, align 4, !tbaa !9
  %19 = load i32, ptr %9, align 4, !tbaa !9
  %20 = icmp sgt i32 %18, %19
  br i1 %20, label %21, label %22

21:                                               ; preds = %17, %6
  br label %58

22:                                               ; preds = %17
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load i32, ptr %12, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i32, ptr %23, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = load i32, ptr %11, align 4, !tbaa !9
  %29 = add nsw i32 %27, %28
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = load i32, ptr %12, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds i32, ptr %30, i64 %32
  store i32 %29, ptr %33, align 4, !tbaa !9
  %34 = load i32, ptr %9, align 4, !tbaa !9
  %35 = load i32, ptr %8, align 4, !tbaa !9
  %36 = icmp ne i32 %34, %35
  br i1 %36, label %37, label %58

37:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  %38 = load i32, ptr %8, align 4, !tbaa !9
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = call noundef i32 @_Z6getMidii(i32 noundef %38, i32 noundef %39)
  store i32 %40, ptr %13, align 4, !tbaa !9
  %41 = load ptr, ptr %7, align 8, !tbaa !5
  %42 = load i32, ptr %8, align 4, !tbaa !9
  %43 = load i32, ptr %13, align 4, !tbaa !9
  %44 = load i32, ptr %10, align 4, !tbaa !9
  %45 = load i32, ptr %11, align 4, !tbaa !9
  %46 = load i32, ptr %12, align 4, !tbaa !9
  %47 = mul nsw i32 2, %46
  %48 = add nsw i32 %47, 1
  call void @_Z15updateValueUtilPiiiiii(ptr noundef %41, i32 noundef %42, i32 noundef %43, i32 noundef %44, i32 noundef %45, i32 noundef %48)
  %49 = load ptr, ptr %7, align 8, !tbaa !5
  %50 = load i32, ptr %13, align 4, !tbaa !9
  %51 = add nsw i32 %50, 1
  %52 = load i32, ptr %9, align 4, !tbaa !9
  %53 = load i32, ptr %10, align 4, !tbaa !9
  %54 = load i32, ptr %11, align 4, !tbaa !9
  %55 = load i32, ptr %12, align 4, !tbaa !9
  %56 = mul nsw i32 2, %55
  %57 = add nsw i32 %56, 2
  call void @_Z15updateValueUtilPiiiiii(ptr noundef %49, i32 noundef %51, i32 noundef %52, i32 noundef %53, i32 noundef %54, i32 noundef %57)
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %58

58:                                               ; preds = %37, %22, %21
  ret void
}

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 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 = { 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}


; 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: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z6getMidii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z15updateValueUtilPiiiiii(ptr nocapture noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) local_unnamed_addr #0 {
  %7 = icmp sgt i32 %3, %2
  %8 = icmp slt i32 %3, %1
  %or.cond31 = or i1 %7, %8
  br i1 %or.cond31, label %tailrecurse._crit_edge, label %.lr.ph.split

.lr.ph.split:                                     ; preds = %6, %tailrecurse
  %.tr3033 = phi i32 [ %17, %tailrecurse ], [ %5, %6 ]
  %.tr2632 = phi i32 [ %16, %tailrecurse ], [ %1, %6 ]
  %9 = sext i32 %.tr3033 to i64
  %10 = getelementptr inbounds i32, ptr %0, i64 %9
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = add nsw i32 %11, %4
  store i32 %12, ptr %10, align 4, !tbaa !5
  %.not = icmp eq i32 %.tr2632, %2
  br i1 %.not, label %tailrecurse._crit_edge, label %tailrecurse

tailrecurse:                                      ; preds = %.lr.ph.split
  %13 = tail call noundef i32 @_Z6getMidii(i32 noundef %.tr2632, i32 noundef %2)
  %14 = shl nsw i32 %.tr3033, 1
  %15 = or disjoint i32 %14, 1
  tail call void @_Z15updateValueUtilPiiiiii(ptr noundef nonnull %0, i32 noundef %.tr2632, i32 noundef %13, i32 noundef %3, i32 noundef %4, i32 noundef %15)
  %16 = add nsw i32 %13, 1
  %17 = add nsw i32 %14, 2
  %.not34 = icmp slt i32 %13, %3
  br i1 %.not34, label %.lr.ph.split, label %tailrecurse._crit_edge

tailrecurse._crit_edge:                           ; preds = %.lr.ph.split, %tailrecurse, %6
  ret void
}

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" }

!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"}


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