; LLVM IR from Syrocco/Graphical-EDMD :: parser (sec_index)

; 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.Dump = type { ptr, ptr, i8, i32, ptr, i32, i32, i64, ptr, i32, [10 x [256 x i8]], [11 x 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 willreturn memory(read)
declare i64 @strlen(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @sec_index(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = 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 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %35, %2
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.Dump, ptr %10, i32 0, i32 9
  %12 = load i32, ptr %11, align 8, !tbaa !11
  %13 = icmp slt i32 %9, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %8
  store i32 2, ptr %7, align 4
  br label %38

15:                                               ; preds = %8
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.Dump, ptr %17, i32 0, i32 10
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [10 x [256 x i8]], ptr %18, i64 0, i64 %20
  %22 = getelementptr inbounds [256 x i8], ptr %21, i64 0, i64 0
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.Dump, ptr %23, i32 0, i32 10
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [10 x [256 x i8]], ptr %24, i64 0, i64 %26
  %28 = getelementptr inbounds [256 x i8], ptr %27, i64 0, i64 0
  %29 = call i64 @strlen(ptr noundef %28) #4
  %30 = call i32 @strncmp(ptr noundef %16, ptr noundef %22, i64 noundef %29) #4
  %31 = icmp eq i32 %30, 0
  br i1 %31, label %32, label %34

32:                                               ; preds = %15
  %33 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %33, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %38

34:                                               ; preds = %15
  br label %35

35:                                               ; preds = %34
  %36 = load i32, ptr %6, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %6, align 4, !tbaa !9
  br label %8, !llvm.loop !14

38:                                               ; preds = %32, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %39 = load i32, ptr %7, align 4
  switch i32 %39, label %43 [
    i32 2, label %40
    i32 1, label %41
  ]

40:                                               ; preds = %38
  store i32 -1, ptr %3, align 4
  br label %41

41:                                               ; preds = %40, %38
  %42 = load i32, ptr %3, align 4
  ret i32 %42

43:                                               ; preds = %38
  unreachable
}

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strncmp(ptr noundef, ptr noundef, i64 noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind willreturn memory(read) "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 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 #3 = { nounwind }
attributes #4 = { nounwind willreturn memory(read) }

!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, !10, i64 56}
!12 = !{!"Dump", !6, i64 0, !6, i64 8, !7, i64 16, !10, i64 20, !6, i64 24, !10, i64 32, !10, i64 36, !13, i64 40, !6, i64 48, !10, i64 56, !7, i64 60, !7, i64 2624}
!13 = !{!"long", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind memory(argmem: read) uwtable
define dso_local i32 @sec_index(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %1, i64 60
  %4 = getelementptr inbounds i8, ptr %1, i64 56
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %.not12 = icmp sgt i32 %5, 0
  br i1 %.not12, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = zext nneg i32 %5 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %10
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %10 ]
  %6 = getelementptr inbounds [10 x [256 x i8]], ptr %3, i64 0, i64 %indvars.iv
  %7 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %6) #2
  %8 = tail call i32 @strncmp(ptr noundef %0, ptr noundef nonnull %6, i64 noundef %7) #2
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %._crit_edge.loopexit.split.loop.exit, label %10

10:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge.loopexit.split.loop.exit:             ; preds = %.lr.ph
  %11 = trunc nuw nsw i64 %indvars.iv to i32
  br label %._crit_edge

._crit_edge:                                      ; preds = %10, %._crit_edge.loopexit.split.loop.exit, %2
  %spec.select = phi i32 [ -1, %2 ], [ %11, %._crit_edge.loopexit.split.loop.exit ], [ -1, %10 ]
  ret i32 %spec.select
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strncmp(ptr nocapture noundef, ptr nocapture noundef, i64 noundef) local_unnamed_addr #0

attributes #0 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { nofree 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" }
attributes #2 = { nounwind willreturn memory(read) }

!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 56}
!6 = !{!"Dump", !7, i64 0, !7, i64 8, !8, i64 16, !10, i64 20, !7, i64 24, !10, i64 32, !10, i64 36, !11, i64 40, !7, i64 48, !10, i64 56, !8, i64 60, !8, i64 2624}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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