; LLVM IR from DanEngelbrecht/longtail :: cmd (main)

; 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"

@.str.32 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.33 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.34 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.35 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @ParseLogLevel(ptr noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = call i32 @strcmp(ptr noundef %4, ptr noundef @.str.32) #2
  %6 = icmp eq i32 0, %5
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  store i32 0, ptr %2, align 4
  br label %24

8:                                                ; preds = %1
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call i32 @strcmp(ptr noundef %9, ptr noundef @.str.33) #2
  %11 = icmp eq i32 0, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %8
  store i32 1, ptr %2, align 4
  br label %24

13:                                               ; preds = %8
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call i32 @strcmp(ptr noundef %14, ptr noundef @.str.34) #2
  %16 = icmp eq i32 0, %15
  br i1 %16, label %17, label %18

17:                                               ; preds = %13
  store i32 2, ptr %2, align 4
  br label %24

18:                                               ; preds = %13
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = call i32 @strcmp(ptr noundef %19, ptr noundef @.str.35) #2
  %21 = icmp eq i32 0, %20
  br i1 %21, label %22, label %23

22:                                               ; preds = %18
  store i32 3, ptr %2, align 4
  br label %24

23:                                               ; preds = %18
  store i32 -1, ptr %2, align 4
  br label %24

24:                                               ; preds = %23, %22, %17, %12, %7
  %25 = load i32, ptr %2, align 4
  ret i32 %25
}

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr 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 = { 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 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"}


; 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"

@.str.32 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.33 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.34 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.35 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read) uwtable
define dso_local range(i32 -1, 4) i32 @ParseLogLevel(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.32) #2
  %3 = icmp eq i32 %2, 0
  br i1 %3, label %13, label %4

4:                                                ; preds = %1
  %5 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.33) #2
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %13, label %7

7:                                                ; preds = %4
  %8 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.34) #2
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %13, label %10

10:                                               ; preds = %7
  %11 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.35) #2
  %12 = icmp eq i32 %11, 0
  %. = select i1 %12, i32 3, i32 -1
  br label %13

13:                                               ; preds = %10, %7, %4, %1
  %.0 = phi i32 [ 0, %1 ], [ 1, %4 ], [ 2, %7 ], [ %., %10 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nofree nounwind willreturn 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 #1 = { 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 #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)"}


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