; LLVM IR from OpenMathLib/OpenBLAS :: lapack-netlib/SRC (ilaenv2stage)

; 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 i32 @ilaenv2stage_(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6) #0 {
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca ptr, align 8
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  store ptr %0, ptr %9, align 8, !tbaa !5
  store ptr %1, ptr %10, align 8, !tbaa !5
  store ptr %2, ptr %11, align 8, !tbaa !5
  store ptr %3, ptr %12, align 8, !tbaa !5
  store ptr %4, ptr %13, align 8, !tbaa !5
  store ptr %5, ptr %14, align 8, !tbaa !5
  store ptr %6, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #3
  %19 = load ptr, ptr %9, align 8, !tbaa !5
  %20 = load i32, ptr %19, align 4, !tbaa !9
  switch i32 %20, label %26 [
    i32 1, label %21
    i32 2, label %22
    i32 3, label %23
    i32 4, label %24
    i32 5, label %25
  ]

21:                                               ; preds = %7
  br label %28

22:                                               ; preds = %7
  br label %28

23:                                               ; preds = %7
  br label %28

24:                                               ; preds = %7
  br label %28

25:                                               ; preds = %7
  br label %28

26:                                               ; preds = %7
  store i32 -1, ptr %16, align 4, !tbaa !9
  %27 = load i32, ptr %16, align 4, !tbaa !9
  store i32 %27, ptr %8, align 4
  store i32 1, ptr %18, align 4
  br label %40

28:                                               ; preds = %25, %24, %23, %22, %21
  %29 = load ptr, ptr %9, align 8, !tbaa !5
  %30 = load i32, ptr %29, align 4, !tbaa !9
  %31 = add nsw i32 %30, 16
  store i32 %31, ptr %17, align 4, !tbaa !9
  %32 = load ptr, ptr %10, align 8, !tbaa !5
  %33 = load ptr, ptr %11, align 8, !tbaa !5
  %34 = load ptr, ptr %12, align 8, !tbaa !5
  %35 = load ptr, ptr %13, align 8, !tbaa !5
  %36 = load ptr, ptr %14, align 8, !tbaa !5
  %37 = load ptr, ptr %15, align 8, !tbaa !5
  %38 = call i32 @iparam2stage_(ptr noundef %17, ptr noundef %32, ptr noundef %33, ptr noundef %34, ptr noundef %35, ptr noundef %36, ptr noundef %37)
  store i32 %38, ptr %16, align 4, !tbaa !9
  %39 = load i32, ptr %16, align 4, !tbaa !9
  store i32 %39, ptr %8, align 4
  store i32 1, ptr %18, align 4
  br label %40

40:                                               ; preds = %28, %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  %41 = load i32, ptr %8, align 4
  ret i32 %41
}

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

declare i32 @iparam2stage_(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 #3 = { 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 = !{!"int", !7, i64 0}


; 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 @ilaenv2stage_(ptr nocapture noundef readonly %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6) local_unnamed_addr #0 {
  %8 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #3
  %9 = load i32, ptr %0, align 4, !tbaa !5
  %.off = add i32 %9, -1
  %switch = icmp ult i32 %.off, 5
  br i1 %switch, label %10, label %13

10:                                               ; preds = %7
  %11 = or disjoint i32 %9, 16
  store i32 %11, ptr %8, align 4, !tbaa !5
  %12 = call i32 @iparam2stage_(ptr noundef nonnull %8, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6) #3
  br label %13

13:                                               ; preds = %7, %10
  %.0 = phi i32 [ %12, %10 ], [ -1, %7 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  ret i32 %.0
}

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

declare i32 @iparam2stage_(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 #3 = { 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"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass