; LLVM IR from yettabaa/cub3D :: Common/Libft (ft_putstr_fd)

; 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 void @ft_putstr_fd(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %8, label %7

7:                                                ; preds = %2
  br label %19

8:                                                ; preds = %2
  br label %9

9:                                                ; preds = %13, %8
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = load i8, ptr %10, align 1, !tbaa !11
  %12 = icmp ne i8 %11, 0
  br i1 %12, label %13, label %19

13:                                               ; preds = %9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = load i8, ptr %14, align 1, !tbaa !11
  %16 = load i32, ptr %4, align 4, !tbaa !9
  call void @ft_putchar_fd(i8 noundef signext %15, i32 noundef %16)
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %17, i32 1
  store ptr %18, ptr %3, align 8, !tbaa !5
  br label %9, !llvm.loop !12

19:                                               ; preds = %9, %7
  ret void
}

declare void @ft_putchar_fd(i8 noundef signext, i32 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 = { "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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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: nounwind uwtable
define dso_local void @ft_putstr_fd(ptr noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %2
  %3 = load i8, ptr %0, align 1, !tbaa !5
  %.not67 = icmp eq i8 %3, 0
  br i1 %.not67, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %4 = phi i8 [ %6, %.lr.ph ], [ %3, %.preheader ]
  %.08 = phi ptr [ %5, %.lr.ph ], [ %0, %.preheader ]
  tail call void @ft_putchar_fd(i8 noundef signext %4, i32 noundef %1) #2
  %5 = getelementptr inbounds i8, ptr %.08, i64 1
  %6 = load i8, ptr %5, align 1, !tbaa !5
  %.not6 = icmp eq i8 %6, 0
  br i1 %.not6, label %.loopexit, label %.lr.ph, !llvm.loop !8

.loopexit:                                        ; preds = %.lr.ph, %.preheader, %2
  ret void
}

declare void @ft_putchar_fd(i8 noundef signext, i32 noundef) local_unnamed_addr #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 = { "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 }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass