; LLVM IR from MRPT/mrpt :: 3rdparty/xspublic/xstypes (xsarray)

; 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"

%struct.XsArray = type { ptr, i64, i64, i64, ptr }
%struct.XsArrayDescriptor = type { i64, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

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

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

; Function Attrs: nounwind uwtable
define dso_local i32 @XsArray_find(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %9, ptr %7, align 8, !tbaa !5
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %40, %2
  %11 = load i64, ptr %6, align 8, !tbaa !9
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.XsArray, ptr %12, i32 0, i32 1
  %14 = load i64, ptr %13, align 8, !tbaa !11
  %15 = icmp ult i64 %11, %14
  br i1 %15, label %16, label %43

16:                                               ; preds = %10
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.XsArray, ptr %17, i32 0, i32 4
  %19 = load ptr, ptr %18, align 8, !tbaa !13
  %20 = getelementptr inbounds %struct.XsArrayDescriptor, ptr %19, i32 0, i32 6
  %21 = load ptr, ptr %20, align 8, !tbaa !14
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.XsArray, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !16
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.XsArray, ptr %26, i32 0, i32 4
  %28 = load ptr, ptr %27, align 8, !tbaa !13
  %29 = getelementptr inbounds %struct.XsArrayDescriptor, ptr %28, i32 0, i32 0
  %30 = load i64, ptr %29, align 8, !tbaa !17
  %31 = mul i64 %25, %30
  %32 = getelementptr inbounds i8, ptr %24, i64 %31
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = call i32 %21(ptr noundef %32, ptr noundef %33)
  %35 = icmp ne i32 %34, 0
  br i1 %35, label %39, label %36

36:                                               ; preds = %16
  %37 = load i64, ptr %6, align 8, !tbaa !9
  %38 = trunc i64 %37 to i32
  store i32 %38, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %44

39:                                               ; preds = %16
  br label %40

40:                                               ; preds = %39
  %41 = load i64, ptr %6, align 8, !tbaa !9
  %42 = add i64 %41, 1
  store i64 %42, ptr %6, align 8, !tbaa !9
  br label %10, !llvm.loop !18

43:                                               ; preds = %10
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %44

44:                                               ; preds = %43, %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %45 = load i32, ptr %3, align 4
  ret i32 %45
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"XsArray", !6, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !6, i64 32}
!13 = !{!12, !6, i64 32}
!14 = !{!15, !6, i64 48}
!15 = !{!"XsArrayDescriptor", !10, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56}
!16 = !{!12, !6, i64 0}
!17 = !{!15, !10, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"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: nounwind uwtable
define dso_local i32 @XsArray_find(ptr nocapture noundef readonly %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load i64, ptr %3, align 8, !tbaa !5
  %.not13 = icmp eq i64 %4, 0
  br i1 %.not13, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  br label %6

6:                                                ; preds = %.lr.ph, %17
  %.01012 = phi i64 [ 0, %.lr.ph ], [ %18, %17 ]
  %7 = load ptr, ptr %5, align 8, !tbaa !11
  %8 = getelementptr inbounds i8, ptr %7, i64 48
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %10 = load ptr, ptr %0, align 8, !tbaa !14
  %11 = load i64, ptr %7, align 8, !tbaa !15
  %12 = mul i64 %11, %.01012
  %13 = getelementptr inbounds i8, ptr %10, i64 %12
  %14 = tail call i32 %9(ptr noundef %13, ptr noundef %1) #1
  %.not = icmp eq i32 %14, 0
  br i1 %.not, label %15, label %17

15:                                               ; preds = %6
  %16 = trunc i64 %.01012 to i32
  br label %.loopexit

17:                                               ; preds = %6
  %18 = add nuw i64 %.01012, 1
  %19 = load i64, ptr %3, align 8, !tbaa !5
  %20 = icmp ult i64 %18, %19
  br i1 %20, label %6, label %.loopexit, !llvm.loop !16

.loopexit:                                        ; preds = %17, %2, %15
  %.0 = phi i32 [ %16, %15 ], [ -1, %2 ], [ -1, %17 ]
  ret i32 %.0
}

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 = { 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, !10, i64 8}
!6 = !{!"XsArray", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !7, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !7, i64 32}
!12 = !{!13, !7, i64 48}
!13 = !{!"XsArrayDescriptor", !10, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56}
!14 = !{!6, !7, i64 0}
!15 = !{!13, !10, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass