; 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_findPredicate(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %11, ptr %9, align 8, !tbaa !5
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %38, %3
  %13 = load i64, ptr %8, align 8, !tbaa !9
  %14 = load ptr, ptr %9, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.XsArray, ptr %14, i32 0, i32 1
  %16 = load i64, ptr %15, align 8, !tbaa !11
  %17 = icmp ult i64 %13, %16
  br i1 %17, label %18, label %41

18:                                               ; preds = %12
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = load ptr, ptr %9, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.XsArray, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !13
  %23 = load i64, ptr %8, align 8, !tbaa !9
  %24 = load ptr, ptr %9, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.XsArray, ptr %24, i32 0, i32 4
  %26 = load ptr, ptr %25, align 8, !tbaa !14
  %27 = getelementptr inbounds %struct.XsArrayDescriptor, ptr %26, i32 0, i32 0
  %28 = load i64, ptr %27, align 8, !tbaa !15
  %29 = mul i64 %23, %28
  %30 = getelementptr inbounds i8, ptr %22, i64 %29
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = call i32 %19(ptr noundef %30, ptr noundef %31)
  %33 = icmp ne i32 %32, 0
  br i1 %33, label %37, label %34

34:                                               ; preds = %18
  %35 = load i64, ptr %8, align 8, !tbaa !9
  %36 = trunc i64 %35 to i32
  store i32 %36, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %42

37:                                               ; preds = %18
  br label %38

38:                                               ; preds = %37
  %39 = load i64, ptr %8, align 8, !tbaa !9
  %40 = add i64 %39, 1
  store i64 %40, ptr %8, align 8, !tbaa !9
  br label %12, !llvm.loop !17

41:                                               ; preds = %12
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %42

42:                                               ; preds = %41, %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  %43 = load i32, ptr %4, align 4
  ret i32 %43
}

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 0}
!14 = !{!12, !6, i64 32}
!15 = !{!16, !10, i64 0}
!16 = !{!"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}
!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: nounwind uwtable
define dso_local i32 @XsArray_findPredicate(ptr nocapture noundef readonly %0, ptr noundef %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %.not13 = icmp eq i64 %5, 0
  br i1 %.not13, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %3
  %6 = getelementptr inbounds i8, ptr %0, i64 32
  br label %7

7:                                                ; preds = %.lr.ph, %16
  %.01012 = phi i64 [ 0, %.lr.ph ], [ %17, %16 ]
  %8 = load ptr, ptr %0, align 8, !tbaa !11
  %9 = load ptr, ptr %6, align 8, !tbaa !12
  %10 = load i64, ptr %9, align 8, !tbaa !13
  %11 = mul i64 %10, %.01012
  %12 = getelementptr inbounds i8, ptr %8, i64 %11
  %13 = tail call i32 %2(ptr noundef %12, ptr noundef %1) #1
  %.not = icmp eq i32 %13, 0
  br i1 %.not, label %14, label %16

14:                                               ; preds = %7
  %15 = trunc i64 %.01012 to i32
  br label %.loopexit

16:                                               ; preds = %7
  %17 = add nuw i64 %.01012, 1
  %18 = load i64, ptr %4, align 8, !tbaa !5
  %19 = icmp ult i64 %17, %18
  br i1 %19, label %7, label %.loopexit, !llvm.loop !15

.loopexit:                                        ; preds = %16, %3, %14
  %.0 = phi i32 [ %15, %14 ], [ -1, %3 ], [ -1, %16 ]
  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 0}
!12 = !{!6, !7, i64 32}
!13 = !{!14, !10, i64 0}
!14 = !{!"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}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


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