; LLVM IR from h-ssiqueira/Sort_Algorithms :: src/utils (array)

; 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: nounwind uwtable
define dso_local zeroext i1 @isSortedRandomly(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %24, %2
  %7 = load i32, ptr %5, align 4, !tbaa !9
  %8 = add nsw i32 %7, -1
  store i32 %8, ptr %5, align 4, !tbaa !9
  %9 = icmp sge i32 %8, 1
  br i1 %9, label %10, label %25

10:                                               ; preds = %6
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds i64, ptr %11, i64 %13
  %15 = load i64, ptr %14, align 8, !tbaa !11
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds i64, ptr %16, i64 %18
  %20 = getelementptr inbounds i64, ptr %19, i64 -1
  %21 = load i64, ptr %20, align 8, !tbaa !11
  %22 = icmp slt i64 %15, %21
  br i1 %22, label %23, label %24

23:                                               ; preds = %10
  store i1 false, ptr %3, align 1
  br label %26

24:                                               ; preds = %10
  br label %6, !llvm.loop !13

25:                                               ; preds = %6
  store i1 true, ptr %3, align 1
  br label %26

26:                                               ; preds = %25, %23
  %27 = load i1, ptr %3, align 1
  ret i1 %27
}

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" }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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: nofree norecurse nosync nounwind memory(argmem: read) uwtable
define dso_local noundef zeroext i1 @isSortedRandomly(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = zext i32 %1 to i64
  br label %4

4:                                                ; preds = %7, %2
  %indvars.iv = phi i64 [ %8, %7 ], [ %3, %2 ]
  %5 = trunc nuw i64 %indvars.iv to i32
  %6 = icmp slt i32 %5, 2
  br i1 %6, label %14, label %7

7:                                                ; preds = %4
  %8 = add nsw i64 %indvars.iv, -1
  %9 = getelementptr inbounds i64, ptr %0, i64 %8
  %10 = load i64, ptr %9, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %9, i64 -8
  %12 = load i64, ptr %11, align 8, !tbaa !5
  %13 = icmp slt i64 %10, %12
  br i1 %13, label %14, label %4, !llvm.loop !9

14:                                               ; preds = %4, %7
  ret i1 %6
}

attributes #0 = { nofree norecurse nosync nounwind 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, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass