; LLVM IR from alex-s168/tpre :: tpre (tpre_compile)

; 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.TkL = type { ptr, ptr, i64, i64 }
%struct.tpre_errs_t = type { ptr, i64 }

; 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 i32 @tpre_compile(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %struct.TkL, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i8, align 1
  %10 = alloca i16, align 2
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %18

13:                                               ; preds = %3
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.tpre_errs_t, ptr %14, i32 0, i32 1
  store i64 0, ptr %15, align 8, !tbaa !9
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.tpre_errs_t, ptr %16, i32 0, i32 0
  store ptr null, ptr %17, align 8, !tbaa !12
  br label %18

18:                                               ; preds = %13, %3
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #3
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  call void @lexe(ptr dead_on_unwind writable sret(%struct.TkL) align 8 %7, ptr noundef %19)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %20 = call ptr @parse(ptr noundef byval(%struct.TkL) align 8 %7)
  store ptr %20, ptr %8, align 8, !tbaa !5
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  call void @verify(ptr noundef %21)
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  store i8 1, ptr %9, align 1, !tbaa !13
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  call void @groups(ptr noundef %22, i8 noundef zeroext 0, ptr noundef %9)
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  call void @fix_0(ptr noundef %23)
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  call void @fix_1(ptr noundef %24)
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  call void @fix_2(ptr noundef %25)
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  call void @check_legal(ptr noundef %26)
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 8 %27, i8 0, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 2, ptr %10) #3
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = call signext i16 @tpre_re_resvnode(ptr noundef %28)
  store i16 %29, ptr %10, align 2, !tbaa !14
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = load i16, ptr %10, align 2, !tbaa !14
  %32 = load ptr, ptr %8, align 8, !tbaa !5
  call void @lower(ptr noundef %30, i16 noundef signext %31, i16 noundef signext -2, i16 noundef signext -1, i8 noundef zeroext 0, ptr noundef null, ptr noundef %32)
  call void @llvm.lifetime.end.p0(i64 2, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #3
  ret i32 0
}

; Function Attrs: nounwind uwtable
declare hidden void @lexe(ptr dead_on_unwind noalias writable sret(%struct.TkL) align 8, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden ptr @parse(ptr noundef byval(%struct.TkL) align 8) #1

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

; Function Attrs: nounwind uwtable
declare hidden void @groups(ptr noundef, i8 noundef zeroext, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @fix_0(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @fix_1(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @fix_2(ptr noundef) #1

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
declare hidden signext i16 @tpre_re_resvnode(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @lower(ptr noundef, i16 noundef signext, i16 noundef signext, i16 noundef signext, i8 noundef zeroext, 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { 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, !11, i64 8}
!10 = !{!"", !6, i64 0, !11, i64 8}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 0}
!13 = !{!7, !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"short", !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"

%struct.TkL = type { ptr, ptr, i64, i64 }

; 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: nounwind uwtable
define dso_local noundef i32 @tpre_compile(ptr noundef %0, ptr noundef %1, ptr noundef writeonly %2) local_unnamed_addr #1 {
  %4 = alloca %struct.TkL, align 8
  %5 = alloca i8, align 1
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %7, label %6

6:                                                ; preds = %3
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %2, i8 0, i64 16, i1 false)
  br label %7

7:                                                ; preds = %6, %3
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #3
  call void @lexe(ptr dead_on_unwind nonnull writable sret(%struct.TkL) align 8 %4, ptr noundef %1)
  %8 = call ptr @parse(ptr noundef nonnull byval(%struct.TkL) align 8 %4)
  call void @verify(ptr noundef %8)
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  store i8 1, ptr %5, align 1, !tbaa !5
  call void @groups(ptr noundef %8, i8 noundef zeroext 0, ptr noundef nonnull %5)
  call void @fix_0(ptr noundef %8)
  call void @fix_1(ptr noundef %8)
  call void @fix_2(ptr noundef %8)
  call void @check_legal(ptr noundef %8)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %0, i8 0, i64 16, i1 false)
  %9 = call signext i16 @tpre_re_resvnode(ptr noundef %0)
  call void @lower(ptr noundef %0, i16 noundef signext %9, i16 noundef signext -2, i16 noundef signext -1, i8 noundef zeroext 0, ptr noundef null, ptr noundef %8)
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  ret i32 0
}

; Function Attrs: nounwind uwtable
declare hidden void @lexe(ptr dead_on_unwind noalias writable sret(%struct.TkL) align 8, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden ptr @parse(ptr noundef byval(%struct.TkL) align 8) local_unnamed_addr #1

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

; Function Attrs: nounwind uwtable
declare hidden void @groups(ptr noundef, i8 noundef zeroext, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @fix_0(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @fix_1(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @fix_2(ptr noundef) local_unnamed_addr #1

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

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
declare hidden signext i16 @tpre_re_resvnode(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @lower(ptr noundef, i16 noundef signext, i16 noundef signext, i16 noundef signext, i8 noundef zeroext, ptr noundef, ptr noundef) local_unnamed_addr #1

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { 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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass