; LLVM IR from nragland37/cpp-projects :: programming-II/02-linearSearch-BubbleSort/testScoreAnalysis.ll (Z14searchStudentsPA8_Kiid)

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z17averageOneStudentPA8_Kiii(ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z14searchStudentsPA8_Kiid(ptr noundef %0, i32 noundef %1, double noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca double, align 8
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store double %2, ptr %6, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #2
  store i8 0, ptr %8, align 1, !tbaa !13
  br label %9

9:                                                ; preds = %27, %3
  %10 = load i32, ptr %7, align 4, !tbaa !9
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = icmp slt i32 %10, %11
  br i1 %12, label %13, label %17

13:                                               ; preds = %9
  %14 = load i8, ptr %8, align 1, !tbaa !13, !range !15, !noundef !16
  %15 = trunc i8 %14 to i1
  %16 = xor i1 %15, true
  br label %17

17:                                               ; preds = %13, %9
  %18 = phi i1 [ false, %9 ], [ %16, %13 ]
  br i1 %18, label %19, label %30

19:                                               ; preds = %17
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = call noundef double @_Z17averageOneStudentPA8_Kiii(ptr noundef %20, i32 noundef %21, i32 noundef %22)
  %24 = load double, ptr %6, align 8, !tbaa !11
  %25 = fcmp ogt double %23, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %19
  store i8 1, ptr %8, align 1, !tbaa !13
  br label %27

27:                                               ; preds = %26, %19
  %28 = load i32, ptr %7, align 4, !tbaa !9
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %7, align 4, !tbaa !9
  br label %9, !llvm.loop !17

30:                                               ; preds = %17
  %31 = load i8, ptr %8, align 1, !tbaa !13, !range !15, !noundef !16
  %32 = trunc i8 %31 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  ret i1 %32
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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" }
attributes #2 = { nounwind }

!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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


; 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 nounwind uwtable
declare dso_local noundef double @_Z17averageOneStudentPA8_Kiii(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z14searchStudentsPA8_Kiid(ptr noundef %0, i32 noundef %1, double noundef %2) local_unnamed_addr #0 {
  %4 = icmp slt i32 %1, 1
  br i1 %4, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.0811 = phi i32 [ %7, %.lr.ph ], [ 0, %3 ]
  %5 = tail call noundef double @_Z17averageOneStudentPA8_Kiii(ptr noundef %0, i32 noundef %1, i32 noundef %.0811)
  %6 = fcmp ogt double %5, %2
  %7 = add nuw nsw i32 %.0811, 1
  %8 = icmp sge i32 %7, %1
  %.not10 = or i1 %8, %6
  br i1 %.not10, label %._crit_edge, label %.lr.ph, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %3
  %.0.lcssa = phi i1 [ false, %3 ], [ %6, %.lr.ph ]
  ret i1 %.0.lcssa
}

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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: AggressiveInstCombinePass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass