; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2018-19/Jan 2019/Plat/tracking2.ll (Z6oneEndii)

; 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 @_Z6oneEndii(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 = sub nsw i32 %6, %7
  %9 = add nsw i32 %8, 1
  call void @_Z5genDPii(i32 noundef %5, i32 noundef %9)
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = load i32, ptr @K, align 4, !tbaa !5
  %12 = sub nsw i32 %10, %11
  %13 = add nsw i32 %12, 1
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [100001 x i32], ptr @dp, i64 0, i64 %14
  %16 = load i32, ptr %15, align 4, !tbaa !5
  ret i32 %16
}

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 @_Z6oneEndii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = load i32, ptr @K, align 4, !tbaa !5
  %4 = add i32 %1, 1
  %5 = sub i32 %4, %3
  tail call void @_Z5genDPii(i32 noundef %0, i32 noundef %5)
  %6 = load i32, ptr @K, align 4, !tbaa !5
  %7 = sub i32 %4, %6
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [100001 x i32], ptr @dp, i64 0, i64 %8
  %10 = load i32, ptr %9, align 4, !tbaa !5
  ret i32 %10
}

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