; LLVM IR from DionysiosB/CodeForces :: 0100-0199/161B-Discounts.ll (Z11compenstool8penstoolS_)

; 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"

%struct.penstool = type { i64, i64, i64 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z11compenstool8penstoolS_(ptr noundef byval(%struct.penstool) align 8 %0, ptr noundef byval(%struct.penstool) align 8 %1) #0 {
  %3 = alloca i1, align 1
  %4 = getelementptr inbounds %struct.penstool, ptr %0, i32 0, i32 2
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.penstool, ptr %1, i32 0, i32 2
  %7 = load i64, ptr %6, align 8, !tbaa !5
  %8 = icmp eq i64 %5, %7
  br i1 %8, label %9, label %15

9:                                                ; preds = %2
  %10 = getelementptr inbounds %struct.penstool, ptr %0, i32 0, i32 1
  %11 = load i64, ptr %10, align 8, !tbaa !10
  %12 = getelementptr inbounds %struct.penstool, ptr %1, i32 0, i32 1
  %13 = load i64, ptr %12, align 8, !tbaa !10
  %14 = icmp sgt i64 %11, %13
  store i1 %14, ptr %3, align 1
  br label %28

15:                                               ; preds = %2
  %16 = getelementptr inbounds %struct.penstool, ptr %0, i32 0, i32 2
  %17 = load i64, ptr %16, align 8, !tbaa !5
  %18 = icmp eq i64 %17, 1
  br i1 %18, label %19, label %20

19:                                               ; preds = %15
  store i1 true, ptr %3, align 1
  br label %28

20:                                               ; preds = %15
  %21 = getelementptr inbounds %struct.penstool, ptr %1, i32 0, i32 2
  %22 = load i64, ptr %21, align 8, !tbaa !5
  %23 = icmp eq i64 %22, 1
  br i1 %23, label %24, label %25

24:                                               ; preds = %20
  store i1 false, ptr %3, align 1
  br label %28

25:                                               ; preds = %20
  br label %26

26:                                               ; preds = %25
  br label %27

27:                                               ; preds = %26
  store i1 false, ptr %3, align 1
  br label %28

28:                                               ; preds = %27, %24, %19, %9
  %29 = load i1, ptr %3, align 1
  ret i1 %29
}

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, !7, i64 16}
!6 = !{!"_ZTS8penstool", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}


; 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"

%struct.penstool = type { i64, i64, i64 }

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef zeroext i1 @_Z11compenstool8penstoolS_(ptr nocapture noundef readonly byval(%struct.penstool) align 8 %0, ptr nocapture noundef readonly byval(%struct.penstool) align 8 %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load i64, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %7 = icmp eq i64 %4, %6
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr %1, i64 8
  %11 = load i64, ptr %10, align 8
  %12 = icmp sgt i64 %9, %11
  %13 = icmp eq i64 %4, 1
  %.0 = select i1 %7, i1 %12, i1 %13
  ret i1 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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, !7, i64 16}
!6 = !{!"_ZTS8penstool", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass