; LLVM IR from ponylang/ponyc :: src/libponyc/ast (error)

; 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"

%struct.errors_t = type { ptr, ptr, i64, i8, ptr }
%struct.errormsg_t = type { ptr, i64, i64, ptr, ptr, ptr, ptr }

; 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 void @errors_print(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.errors_t, ptr %4, i32 0, i32 3
  %6 = load i8, ptr %5, align 8, !tbaa !9, !range !13, !noundef !14
  %7 = trunc i8 %6 to i1
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  br label %25

9:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #2
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.errors_t, ptr %10, i32 0, i32 0
  %12 = load ptr, ptr %11, align 8, !tbaa !15
  store ptr %12, ptr %3, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %16, %9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %24

16:                                               ; preds = %13
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.errors_t, ptr %18, i32 0, i32 4
  %20 = load ptr, ptr %19, align 8, !tbaa !16
  call void @error_print(ptr noundef %17, ptr noundef %20)
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.errormsg_t, ptr %21, i32 0, i32 6
  %23 = load ptr, ptr %22, align 8, !tbaa !17
  store ptr %23, ptr %3, align 8, !tbaa !5
  br label %13, !llvm.loop !19

24:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #2
  br label %25

25:                                               ; preds = %24, %8
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @error_print(ptr noundef, ptr noundef) #1

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, !12, i64 24}
!10 = !{!"errors_t", !6, i64 0, !6, i64 8, !11, i64 16, !12, i64 24, !6, i64 32}
!11 = !{!"long", !7, i64 0}
!12 = !{!"_Bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!10, !6, i64 0}
!16 = !{!10, !6, i64 32}
!17 = !{!18, !6, i64 48}
!18 = !{!"errormsg_t", !6, i64 0, !11, i64 8, !11, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48}
!19 = distinct !{!19, !20}
!20 = !{!"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 @errors_print(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  %3 = load i8, ptr %2, align 8, !tbaa !5, !range !12, !noundef !13
  %4 = trunc nuw i8 %3 to i1
  br i1 %4, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %1
  %.06 = load ptr, ptr %0, align 8, !tbaa !14
  %.not7 = icmp eq ptr %.06, null
  br i1 %.not7, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  br label %6

6:                                                ; preds = %.lr.ph, %6
  %.08 = phi ptr [ %.06, %.lr.ph ], [ %.0, %6 ]
  %7 = load ptr, ptr %5, align 8, !tbaa !15
  tail call void @error_print(ptr noundef nonnull %.08, ptr noundef %7)
  %8 = getelementptr inbounds i8, ptr %.08, i64 48
  %.0 = load ptr, ptr %8, align 8, !tbaa !14
  %.not = icmp eq ptr %.0, null
  br i1 %.not, label %.loopexit, label %6, !llvm.loop !16

.loopexit:                                        ; preds = %6, %.preheader, %1
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @error_print(ptr noundef, ptr noundef) local_unnamed_addr #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)"}
!5 = !{!6, !11, i64 24}
!6 = !{!"errors_t", !7, i64 0, !7, i64 8, !10, i64 16, !11, i64 24, !7, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"_Bool", !8, i64 0}
!12 = !{i8 0, i8 2}
!13 = !{}
!14 = !{!7, !7, i64 0}
!15 = !{!6, !7, i64 32}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


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