; LLVM IR from elarity/data-structure-php-clanguage :: clang.linear-search.for-version (main)

; 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"

@__const.main.arr = external hidden unnamed_addr constant [10 x i32], align 16
@.str = external hidden unnamed_addr constant [12 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca [10 x i32], align 16
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 938, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 40, ptr %9) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %9, ptr align 16 @__const.main.arr, i64 40, i1 false)
  store i32 10, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %27, %2
  %13 = load i32, ptr %10, align 4, !tbaa !5
  %14 = load i32, ptr %8, align 4, !tbaa !5
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  store i32 2, ptr %11, align 4
  br label %30

17:                                               ; preds = %12
  %18 = load i32, ptr %6, align 4, !tbaa !5
  %19 = load i32, ptr %10, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [10 x i32], ptr %9, i64 0, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = icmp eq i32 %18, %22
  br i1 %23, label %24, label %26

24:                                               ; preds = %17
  %25 = load i32, ptr %10, align 4, !tbaa !5
  store i32 %25, ptr %7, align 4, !tbaa !5
  store i32 2, ptr %11, align 4
  br label %30

26:                                               ; preds = %17
  br label %27

27:                                               ; preds = %26
  %28 = load i32, ptr %10, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %10, align 4, !tbaa !5
  br label %12, !llvm.loop !11

30:                                               ; preds = %24, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %31

31:                                               ; preds = %30
  %32 = load i32, ptr %7, align 4, !tbaa !5
  %33 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %32)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 40, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  %34 = load i32, ptr %3, align 4
  ret i32 %34
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @printf(ptr noundef, ...) #3

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@__const.main.arr = external hidden unnamed_addr constant [10 x i32], align 16
@.str = external hidden unnamed_addr constant [12 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
  %3 = load i32, ptr @__const.main.arr, align 16, !tbaa !5
  %4 = icmp eq i32 %3, 938
  br i1 %4, label %32, label %5

5:                                                ; preds = %2
  %6 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 4), align 4, !tbaa !5
  %7 = icmp eq i32 %6, 938
  br i1 %7, label %32, label %8

8:                                                ; preds = %5
  %9 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 8), align 8, !tbaa !5
  %10 = icmp eq i32 %9, 938
  br i1 %10, label %32, label %11

11:                                               ; preds = %8
  %12 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 12), align 4, !tbaa !5
  %13 = icmp eq i32 %12, 938
  br i1 %13, label %32, label %14

14:                                               ; preds = %11
  %15 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 16), align 16, !tbaa !5
  %16 = icmp eq i32 %15, 938
  br i1 %16, label %32, label %17

17:                                               ; preds = %14
  %18 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 20), align 4, !tbaa !5
  %19 = icmp eq i32 %18, 938
  br i1 %19, label %32, label %20

20:                                               ; preds = %17
  %21 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 24), align 8, !tbaa !5
  %22 = icmp eq i32 %21, 938
  br i1 %22, label %32, label %23

23:                                               ; preds = %20
  %24 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 28), align 4, !tbaa !5
  %25 = icmp eq i32 %24, 938
  br i1 %25, label %32, label %26

26:                                               ; preds = %23
  %27 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 32), align 16, !tbaa !5
  %28 = icmp eq i32 %27, 938
  br i1 %28, label %32, label %29

29:                                               ; preds = %26
  %30 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.arr, i64 36), align 4, !tbaa !5
  %31 = icmp eq i32 %30, 938
  %spec.select = select i1 %31, i32 9, i32 10
  br label %32

32:                                               ; preds = %29, %26, %23, %20, %17, %14, %11, %8, %5, %2
  %.0.lcssa = phi i32 [ 0, %2 ], [ 1, %5 ], [ 2, %8 ], [ 3, %11 ], [ 4, %14 ], [ 5, %17 ], [ 6, %20 ], [ 7, %23 ], [ 8, %26 ], [ %spec.select, %29 ]
  %33 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %.0.lcssa)
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

attributes #0 = { nofree 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 #1 = { nofree nounwind "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/C++ TBAA"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass