; LLVM IR from kala13x/libxutils :: src/net (http)

; 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.22 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.23 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.24 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.25 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @XHTTP_GetMethodType(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 @strncmp(ptr noundef %4, ptr noundef @.str.23, i64 noundef 3) #2
  %6 = icmp ne i32 %5, 0
  br i1 %6, label %8, label %7

7:                                                ; preds = %1
  store i32 2, ptr %2, align 4
  br label %29

8:                                                ; preds = %1
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call i32 @strncmp(ptr noundef %9, ptr noundef @.str.22, i64 noundef 3) #2
  %11 = icmp ne i32 %10, 0
  br i1 %11, label %13, label %12

12:                                               ; preds = %8
  store i32 1, ptr %2, align 4
  br label %29

13:                                               ; preds = %8
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call i32 @strncmp(ptr noundef %14, ptr noundef @.str.24, i64 noundef 4) #2
  %16 = icmp ne i32 %15, 0
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 3, ptr %2, align 4
  br label %29

18:                                               ; preds = %13
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = call i32 @strncmp(ptr noundef %19, ptr noundef @.str.25, i64 noundef 6) #2
  %21 = icmp ne i32 %20, 0
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  store i32 4, ptr %2, align 4
  br label %29

23:                                               ; preds = %18
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = call i32 @strncmp(ptr noundef %24, ptr noundef @.str.26, i64 noundef 7) #2
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  store i32 5, ptr %2, align 4
  br label %29

28:                                               ; preds = %23
  store i32 0, ptr %2, align 4
  br label %29

29:                                               ; preds = %28, %27, %22, %17, %12, %7
  %30 = load i32, ptr %2, align 4
  ret i32 %30
}

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strncmp(ptr noundef, ptr noundef, i64 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.22 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.23 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.24 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.25 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read) uwtable
define dso_local range(i32 0, 6) i32 @XHTTP_GetMethodType(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.23, i64 noundef 3) #2
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %11, label %3

3:                                                ; preds = %1
  %4 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.22, i64 noundef 3) #2
  %.not5 = icmp eq i32 %4, 0
  br i1 %.not5, label %11, label %5

5:                                                ; preds = %3
  %6 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.24, i64 noundef 4) #2
  %.not6 = icmp eq i32 %6, 0
  br i1 %.not6, label %11, label %7

7:                                                ; preds = %5
  %8 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.25, i64 noundef 6) #2
  %.not7 = icmp eq i32 %8, 0
  br i1 %.not7, label %11, label %9

9:                                                ; preds = %7
  %10 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.26, i64 noundef 7) #2
  %.not8 = icmp eq i32 %10, 0
  %. = select i1 %.not8, i32 5, i32 0
  br label %11

11:                                               ; preds = %9, %7, %5, %3, %1
  %.0 = phi i32 [ 2, %1 ], [ 1, %3 ], [ 3, %5 ], [ 4, %7 ], [ %., %9 ]
  ret i32 %.0
}

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