; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2018-19/Jan 2019/Plat/tracking2.ll (Z8bothEndsii)

; 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"

@K = external dso_local global i32, align 4
@dp = external dso_local global [100001 x i32], align 16

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5genDPii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z8bothEndsii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = load i32, ptr %4, align 4, !tbaa !5
  %7 = load i32, ptr @K, align 4, !tbaa !5
  %8 = mul nsw i32 2, %7
  %9 = sub nsw i32 %8, 1
  %10 = sub nsw i32 %6, %9
  call void @_Z5genDPii(i32 noundef %5, i32 noundef %10)
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = load i32, ptr @K, align 4, !tbaa !5
  %13 = mul nsw i32 2, %12
  %14 = sub nsw i32 %13, 1
  %15 = sub nsw i32 %11, %14
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [100001 x i32], ptr @dp, i64 0, i64 %16
  %18 = load i32, ptr %17, align 4, !tbaa !5
  ret i32 %18
}

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"}


; 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"

@K = external dso_local local_unnamed_addr global i32, align 4
@dp = external dso_local local_unnamed_addr global [100001 x i32], align 16

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5genDPii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z8bothEndsii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = load i32, ptr @K, align 4, !tbaa !5
  %.neg3 = add i32 %1, 1
  %4 = shl i32 %3, 1
  %5 = sub i32 %.neg3, %4
  tail call void @_Z5genDPii(i32 noundef %0, i32 noundef %5)
  %6 = load i32, ptr @K, align 4, !tbaa !5
  %7 = shl i32 %6, 1
  %8 = sub i32 %.neg3, %7
  %9 = sext i32 %8 to i64
  %10 = getelementptr inbounds [100001 x i32], ptr @dp, i64 0, i64 %9
  %11 = load i32, ptr %10, align 4, !tbaa !5
  ret i32 %11
}

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"}


; Effective O3 passes: GVNPass,GlobalOptPass,InstCombinePass,ReassociatePass,SROAPass,TailCallElimPass