; LLVM IR from siconos/siconos :: externals/SOL/lumod-c (sparselib)

; 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._sparseVector = type { i32, i32, i32, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local double @getItem(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca double, align 8
  %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
  %6 = load i32, ptr %5, align 4, !tbaa !9
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct._sparseVector, ptr %7, i32 0, i32 3
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = getelementptr inbounds i32, ptr %9, i64 0
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = icmp eq i32 %6, %11
  br i1 %12, label %13, label %19

13:                                               ; preds = %2
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct._sparseVector, ptr %14, i32 0, i32 4
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  %17 = getelementptr inbounds double, ptr %16, i64 0
  %18 = load double, ptr %17, align 8, !tbaa !14
  store double %18, ptr %3, align 8
  br label %39

19:                                               ; preds = %2
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct._sparseVector, ptr %21, i32 0, i32 3
  %23 = load ptr, ptr %22, align 8, !tbaa !11
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct._sparseVector, ptr %24, i32 0, i32 2
  %26 = load i32, ptr %25, align 8, !tbaa !16
  %27 = call i32 @findIndex(i32 noundef %20, ptr noundef %23, i32 noundef %26, i32 noundef 1)
  store i32 %27, ptr %5, align 4, !tbaa !9
  %28 = load i32, ptr %5, align 4, !tbaa !9
  %29 = icmp slt i32 %28, 0
  br i1 %29, label %30, label %31

30:                                               ; preds = %19
  store double 0.000000e+00, ptr %3, align 8
  br label %39

31:                                               ; preds = %19
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct._sparseVector, ptr %32, i32 0, i32 4
  %34 = load ptr, ptr %33, align 8, !tbaa !13
  %35 = load i32, ptr %5, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds double, ptr %34, i64 %36
  %38 = load double, ptr %37, align 8, !tbaa !14
  store double %38, ptr %3, align 8
  br label %39

39:                                               ; preds = %31, %30, %13
  %40 = load double, ptr %3, align 8
  ret double %40
}

declare i32 @findIndex(i32 noundef, ptr noundef, i32 noundef, i32 noundef) #1

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 = { "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, !6, i64 16}
!12 = !{!"_sparseVector", !10, i64 0, !10, i64 4, !10, i64 8, !6, i64 16, !6, i64 24}
!13 = !{!12, !6, i64 24}
!14 = !{!15, !15, i64 0}
!15 = !{!"double", !7, i64 0}
!16 = !{!12, !10, i64 8}


; 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 double @getItem(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = load i32, ptr %4, align 4, !tbaa !11
  %6 = icmp eq i32 %5, %1
  br i1 %6, label %7, label %10

7:                                                ; preds = %2
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  br label %.sink.split

10:                                               ; preds = %2
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  %12 = load i32, ptr %11, align 8, !tbaa !13
  %13 = tail call i32 @findIndex(i32 noundef %1, ptr noundef nonnull %4, i32 noundef %12, i32 noundef 1) #2
  %14 = icmp slt i32 %13, 0
  br i1 %14, label %21, label %15

15:                                               ; preds = %10
  %16 = getelementptr inbounds i8, ptr %0, i64 24
  %17 = load ptr, ptr %16, align 8, !tbaa !12
  %18 = zext nneg i32 %13 to i64
  %19 = getelementptr inbounds double, ptr %17, i64 %18
  br label %.sink.split

.sink.split:                                      ; preds = %7, %15
  %.sink = phi ptr [ %19, %15 ], [ %9, %7 ]
  %20 = load double, ptr %.sink, align 8, !tbaa !14
  br label %21

21:                                               ; preds = %.sink.split, %10
  %.0 = phi double [ 0.000000e+00, %10 ], [ %20, %.sink.split ]
  ret double %.0
}

declare i32 @findIndex(i32 noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

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 = { "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, !10, i64 16}
!6 = !{!"_sparseVector", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!6, !10, i64 24}
!13 = !{!6, !7, i64 8}
!14 = !{!15, !15, i64 0}
!15 = !{!"double", !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass