; LLVM IR from ravireddy07/cpp-book :: src/Code-Forces/Good_Bye2020_euclids-nightmare.ll (Z3uniii)

; 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"

@par = external dso_local global [500100 x i32], align 16
@good = external dso_local global [500100 x i32], align 16

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5cfindi(i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z3uniii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  %6 = load i32, ptr %4, align 4, !tbaa !5
  %7 = call noundef i32 @_Z5cfindi(i32 noundef %6)
  store i32 %7, ptr %4, align 4, !tbaa !5
  %8 = load i32, ptr %5, align 4, !tbaa !5
  %9 = call noundef i32 @_Z5cfindi(i32 noundef %8)
  store i32 %9, ptr %5, align 4, !tbaa !5
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = load i32, ptr %5, align 4, !tbaa !5
  %12 = icmp eq i32 %10, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %42

14:                                               ; preds = %2
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [500100 x i32], ptr @good, i64 0, i64 %16
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %27

20:                                               ; preds = %14
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [500100 x i32], ptr @good, i64 0, i64 %22
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %27

26:                                               ; preds = %20
  store i1 false, ptr %3, align 1
  br label %42

27:                                               ; preds = %20, %14
  %28 = load i32, ptr %5, align 4, !tbaa !5
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [500100 x i32], ptr @par, i64 0, i64 %30
  store i32 %28, ptr %31, align 4, !tbaa !5
  %32 = load i32, ptr %4, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [500100 x i32], ptr @good, i64 0, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = icmp ne i32 %35, 0
  br i1 %36, label %37, label %41

37:                                               ; preds = %27
  %38 = load i32, ptr %5, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [500100 x i32], ptr @good, i64 0, i64 %39
  store i32 1, ptr %40, align 4, !tbaa !5
  br label %41

41:                                               ; preds = %37, %27
  store i1 true, ptr %3, align 1
  br label %42

42:                                               ; preds = %41, %26, %13
  %43 = load i1, ptr %3, align 1
  ret i1 %43
}

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"

@par = external dso_local local_unnamed_addr global [500100 x i32], align 16
@good = external dso_local local_unnamed_addr global [500100 x i32], align 16

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5cfindi(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z3uniii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = tail call noundef i32 @_Z5cfindi(i32 noundef %0)
  %4 = tail call noundef i32 @_Z5cfindi(i32 noundef %1)
  %5 = icmp eq i32 %3, %4
  br i1 %5, label %17, label %6

6:                                                ; preds = %2
  %7 = sext i32 %3 to i64
  %8 = getelementptr inbounds [500100 x i32], ptr @good, i64 0, i64 %7
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %.not = icmp eq i32 %9, 0
  br i1 %.not, label %.thread, label %11

.thread:                                          ; preds = %6
  %10 = getelementptr inbounds [500100 x i32], ptr @par, i64 0, i64 %7
  store i32 %4, ptr %10, align 4, !tbaa !5
  br label %17

11:                                               ; preds = %6
  %12 = sext i32 %4 to i64
  %13 = getelementptr inbounds [500100 x i32], ptr @good, i64 0, i64 %12
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %.not12 = icmp eq i32 %14, 0
  br i1 %.not12, label %15, label %17

15:                                               ; preds = %11
  %16 = getelementptr inbounds [500100 x i32], ptr @par, i64 0, i64 %7
  store i32 %4, ptr %16, align 4, !tbaa !5
  store i32 1, ptr %13, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %.thread, %15, %11, %2
  %.0 = phi i1 [ false, %2 ], [ false, %11 ], [ true, %15 ], [ true, %.thread ]
  ret i1 %.0
}

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: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass,TailCallElimPass