; LLVM IR from JonathanSalwan/Triton :: src/stubs (triton-stubs)

; 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: 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 uwtable
define dso_local i64 @strlcat(ptr noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca [1 x i8], align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #2
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %9

9:                                                ; preds = %21, %3
  br label %10

10:                                               ; preds = %9
  %11 = load i64, ptr %7, align 8, !tbaa !9
  %12 = load i64, ptr %6, align 8, !tbaa !9
  %13 = icmp uge i64 %11, %12
  br i1 %13, label %14, label %16

14:                                               ; preds = %10
  %15 = getelementptr inbounds [1 x i8], ptr %8, i64 0, i64 0
  store ptr %15, ptr %4, align 8, !tbaa !5
  br label %26

16:                                               ; preds = %10
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = load i8, ptr %17, align 1, !tbaa !11
  %19 = icmp ne i8 %18, 0
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  br label %26

21:                                               ; preds = %16
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds i8, ptr %22, i32 1
  store ptr %23, ptr %4, align 8, !tbaa !5
  %24 = load i64, ptr %7, align 8, !tbaa !9
  %25 = add i64 %24, 1
  store i64 %25, ptr %7, align 8, !tbaa !9
  br label %9

26:                                               ; preds = %20, %14
  br label %27

27:                                               ; preds = %41, %26
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = load i8, ptr %28, align 1, !tbaa !11
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  store i8 %29, ptr %30, align 1, !tbaa !11
  %31 = sext i8 %29 to i32
  %32 = icmp ne i32 %31, 0
  br i1 %32, label %33, label %44

33:                                               ; preds = %27
  %34 = load i64, ptr %7, align 8, !tbaa !9
  %35 = add i64 %34, 1
  store i64 %35, ptr %7, align 8, !tbaa !9
  %36 = load i64, ptr %6, align 8, !tbaa !9
  %37 = icmp ult i64 %35, %36
  br i1 %37, label %38, label %41

38:                                               ; preds = %33
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = getelementptr inbounds i8, ptr %39, i32 1
  store ptr %40, ptr %4, align 8, !tbaa !5
  br label %41

41:                                               ; preds = %38, %33
  %42 = load ptr, ptr %5, align 8, !tbaa !5
  %43 = getelementptr inbounds i8, ptr %42, i32 1
  store ptr %43, ptr %5, align 8, !tbaa !5
  br label %27, !llvm.loop !12

44:                                               ; preds = %27
  %45 = load i64, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret i64 %45
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!"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}
!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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nofree norecurse nosync nounwind memory(readwrite, inaccessiblemem: none) uwtable
define dso_local i64 @strlcat(ptr nocapture noundef %0, ptr nocapture noundef readonly %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = alloca [1 x i8], align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #2
  %.not16.not = icmp eq i64 %2, 0
  br i1 %.not16.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %6
  %.018 = phi i64 [ %8, %6 ], [ 0, %3 ]
  %.01117 = phi ptr [ %7, %6 ], [ %0, %3 ]
  %5 = load i8, ptr %.01117, align 1, !tbaa !5
  %.not14 = icmp eq i8 %5, 0
  br i1 %.not14, label %._crit_edge, label %6

6:                                                ; preds = %.lr.ph
  %7 = getelementptr inbounds i8, ptr %.01117, i64 1
  %8 = add nuw i64 %.018, 1
  %exitcond.not = icmp eq i64 %8, %2
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %6, %3
  %.0.lcssa = phi i64 [ 0, %3 ], [ %2, %6 ], [ %.018, %.lr.ph ]
  %.112 = phi ptr [ %4, %3 ], [ %4, %6 ], [ %.01117, %.lr.ph ]
  %9 = load i8, ptr %1, align 1, !tbaa !5
  store i8 %9, ptr %.112, align 1, !tbaa !5
  %.not1523 = icmp eq i8 %9, 0
  br i1 %.not1523, label %._crit_edge29, label %.lr.ph28

.lr.ph28:                                         ; preds = %._crit_edge, %.lr.ph28
  %.126 = phi i64 [ %10, %.lr.ph28 ], [ %.0.lcssa, %._crit_edge ]
  %.225 = phi ptr [ %spec.select, %.lr.ph28 ], [ %.112, %._crit_edge ]
  %.01324 = phi ptr [ %12, %.lr.ph28 ], [ %1, %._crit_edge ]
  %10 = add i64 %.126, 1
  %11 = icmp ult i64 %10, %2
  %spec.select.idx = zext i1 %11 to i64
  %spec.select = getelementptr inbounds i8, ptr %.225, i64 %spec.select.idx
  %12 = getelementptr inbounds i8, ptr %.01324, i64 1
  %13 = load i8, ptr %12, align 1, !tbaa !5
  store i8 %13, ptr %spec.select, align 1, !tbaa !5
  %.not15 = icmp eq i8 %13, 0
  br i1 %.not15, label %._crit_edge29, label %.lr.ph28, !llvm.loop !8

._crit_edge29:                                    ; preds = %.lr.ph28, %._crit_edge
  %.1.lcssa = phi i64 [ %.0.lcssa, %._crit_edge ], [ %10, %.lr.ph28 ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #2
  ret i64 %.1.lcssa
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nofree norecurse nosync nounwind memory(readwrite, inaccessiblemem: none) 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 }

!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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass