; LLVM IR from atcoder/ac-library :: test/example/lazyseg_practice2.ll (Z11compositionbb)

; 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
define dso_local noundef zeroext i1 @_Z11compositionbb(i1 noundef zeroext %0, i1 noundef zeroext %1) #0 {
  %3 = alloca i8, align 1
  %4 = alloca i8, align 1
  %5 = zext i1 %0 to i8
  store i8 %5, ptr %3, align 1, !tbaa !5
  %6 = zext i1 %1 to i8
  store i8 %6, ptr %4, align 1, !tbaa !5
  %7 = load i8, ptr %3, align 1, !tbaa !5, !range !9, !noundef !10
  %8 = trunc i8 %7 to i1
  br i1 %8, label %9, label %12

9:                                                ; preds = %2
  %10 = load i8, ptr %4, align 1, !tbaa !5, !range !9, !noundef !10
  %11 = trunc i8 %10 to i1
  br i1 %11, label %12, label %20

12:                                               ; preds = %9, %2
  %13 = load i8, ptr %3, align 1, !tbaa !5, !range !9, !noundef !10
  %14 = trunc i8 %13 to i1
  br i1 %14, label %18, label %15

15:                                               ; preds = %12
  %16 = load i8, ptr %4, align 1, !tbaa !5, !range !9, !noundef !10
  %17 = trunc i8 %16 to i1
  br label %18

18:                                               ; preds = %15, %12
  %19 = phi i1 [ false, %12 ], [ %17, %15 ]
  br label %20

20:                                               ; preds = %18, %9
  %21 = phi i1 [ true, %9 ], [ %19, %18 ]
  ret i1 %21
}

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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}


; 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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef zeroext i1 @_Z11compositionbb(i1 noundef zeroext %0, i1 noundef zeroext %1) local_unnamed_addr #0 {
  %spec.select = xor i1 %0, %1
  ret i1 %spec.select
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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)"}


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