; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2016-17/Feb 2017/Plat/17 Feb P3 (Segtree).ll (Z6querybiii)

; 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"

@N = external dso_local global i32, align 4
@ans = external dso_local global i64, align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5queryiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6querybiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  br label %7

7:                                                ; preds = %10, %3
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = icmp ne i32 %8, 0
  br i1 %9, label %10, label %26

10:                                               ; preds = %7
  %11 = load i32, ptr %6, align 4, !tbaa !5
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = load i32, ptr @N, align 4, !tbaa !5
  %14 = load i32, ptr %5, align 4, !tbaa !5
  %15 = call noundef i32 @_Z5queryiiii(i32 noundef %12, i32 noundef 1, i32 noundef %13, i32 noundef %14)
  %16 = mul nsw i32 %11, %15
  %17 = sext i32 %16 to i64
  %18 = load i64, ptr @ans, align 8, !tbaa !9
  %19 = add nsw i64 %18, %17
  store i64 %19, ptr @ans, align 8, !tbaa !9
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = sub nsw i32 0, %21
  %23 = and i32 %20, %22
  %24 = load i32, ptr %4, align 4, !tbaa !5
  %25 = sub nsw i32 %24, %23
  store i32 %25, ptr %4, align 4, !tbaa !5
  br label %7, !llvm.loop !11

26:                                               ; preds = %7
  ret void
}

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" }

!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 = !{!"long long", !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"

@N = external dso_local local_unnamed_addr global i32, align 4
@ans = external dso_local local_unnamed_addr global i64, align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5queryiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6querybiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %.not8 = icmp eq i32 %0, 0
  br i1 %.not8, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.09 = phi i32 [ %10, %.lr.ph ], [ %0, %3 ]
  %4 = load i32, ptr @N, align 4, !tbaa !5
  %5 = tail call noundef i32 @_Z5queryiiii(i32 noundef %.09, i32 noundef 1, i32 noundef %4, i32 noundef %1)
  %6 = mul nsw i32 %5, %2
  %7 = sext i32 %6 to i64
  %8 = load i64, ptr @ans, align 8, !tbaa !9
  %9 = add nsw i64 %8, %7
  store i64 %9, ptr @ans, align 8, !tbaa !9
  %.not7 = add i32 %.09, -1
  %10 = and i32 %.not7, %.09
  %.not = icmp eq i32 %10, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void
}

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" }

!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 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass