; LLVM IR from kala13x/libxutils :: src/data (str)

; 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
declare dso_local i32 @xstrsrc(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @xstrnsrc(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i64 %3, ptr %9, align 8, !tbaa !9
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = icmp eq ptr %10, null
  br i1 %11, label %19, label %12

12:                                               ; preds = %4
  %13 = load ptr, ptr %8, align 8, !tbaa !5
  %14 = icmp eq ptr %13, null
  br i1 %14, label %19, label %15

15:                                               ; preds = %12
  %16 = load i64, ptr %9, align 8, !tbaa !9
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = icmp uge i64 %16, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %15, %12, %4
  store i32 -1, ptr %5, align 4
  br label %26

20:                                               ; preds = %15
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load i64, ptr %9, align 8, !tbaa !9
  %23 = getelementptr inbounds i8, ptr %21, i64 %22
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  %25 = call i32 @xstrsrc(ptr noundef %23, ptr noundef %24)
  store i32 %25, ptr %5, align 4
  br label %26

26:                                               ; preds = %20, %19
  %27 = load i32, ptr %5, align 4
  ret i32 %27
}

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" }

!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 = !{!"long", !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
declare dso_local i32 @xstrsrc(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @xstrnsrc(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = icmp ne ptr %0, null
  %6 = icmp ne ptr %2, null
  %or.cond.not14 = and i1 %5, %6
  %.not = icmp ult i64 %3, %1
  %or.cond11 = and i1 %or.cond.not14, %.not
  br i1 %or.cond11, label %7, label %10

7:                                                ; preds = %4
  %8 = getelementptr inbounds i8, ptr %0, i64 %3
  %9 = tail call i32 @xstrsrc(ptr noundef nonnull %8, ptr noundef nonnull %2)
  br label %10

10:                                               ; preds = %4, %7
  %.0 = phi i32 [ %9, %7 ], [ -1, %4 ]
  ret i32 %.0
}

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" }

!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: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass