; LLVM IR from Xiangyu-Hu/SPHinXsys :: src/shared/tools/tinyxml2.ll (ZN8tinyxml27XMLUtil7ToInt64EPKcPl)

; 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"

@.str.7 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [5 x i8], align 1

; 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: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN8tinyxml27XMLUtil11IsPrefixHexEPKc(ptr noundef) #1 align 2

; Function Attrs: nounwind
declare i32 @__isoc99_sscanf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8tinyxml27XMLUtil7ToInt64EPKcPl(ptr noundef %0, ptr noundef %1) #3 align 2 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = call noundef zeroext i1 @_ZN8tinyxml27XMLUtil11IsPrefixHexEPKc(ptr noundef %9)
  br i1 %10, label %11, label %22

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store i64 0, ptr %6, align 8, !tbaa !9
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %12, ptr noundef @.str.16, ptr noundef %6) #4
  %14 = icmp eq i32 %13, 1
  br i1 %14, label %15, label %18

15:                                               ; preds = %11
  %16 = load i64, ptr %6, align 8, !tbaa !9
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  store i64 %16, ptr %17, align 8, !tbaa !11
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %19

18:                                               ; preds = %11
  store i32 0, ptr %7, align 4
  br label %19

19:                                               ; preds = %18, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  %20 = load i32, ptr %7, align 4
  switch i32 %20, label %36 [
    i32 0, label %21
    i32 1, label %34
  ]

21:                                               ; preds = %19
  br label %33

22:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  store i64 0, ptr %8, align 8, !tbaa !9
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %23, ptr noundef @.str.7, ptr noundef %8) #4
  %25 = icmp eq i32 %24, 1
  br i1 %25, label %26, label %29

26:                                               ; preds = %22
  %27 = load i64, ptr %8, align 8, !tbaa !9
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  store i64 %27, ptr %28, align 8, !tbaa !11
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %30

29:                                               ; preds = %22
  store i32 0, ptr %7, align 4
  br label %30

30:                                               ; preds = %29, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %31 = load i32, ptr %7, align 4
  switch i32 %31, label %36 [
    i32 0, label %32
    i32 1, label %34
  ]

32:                                               ; preds = %30
  br label %33

33:                                               ; preds = %32, %21
  store i1 false, ptr %3, align 1
  br label %34

34:                                               ; preds = %33, %30, %19
  %35 = load i1, ptr %3, align 1
  ret i1 %35

36:                                               ; preds = %30, %19
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint mustprogress 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 "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 #3 = { mustprogress 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 #4 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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"

@.str.7 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.16 = external hidden unnamed_addr constant [5 x i8], align 1

; 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: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN8tinyxml27XMLUtil11IsPrefixHexEPKc(ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_sscanf(ptr nocapture noundef readonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8tinyxml27XMLUtil7ToInt64EPKcPl(ptr noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #3 align 2 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = tail call noundef zeroext i1 @_ZN8tinyxml27XMLUtil11IsPrefixHexEPKc(ptr noundef %0)
  br i1 %5, label %6, label %11

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  store i64 0, ptr %3, align 8, !tbaa !5
  %7 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %0, ptr noundef nonnull @.str.16, ptr noundef nonnull %3) #4
  %8 = icmp eq i32 %7, 1
  br i1 %8, label %9, label %.thread

.thread:                                          ; preds = %6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br label %16

9:                                                ; preds = %6
  %10 = load i64, ptr %3, align 8, !tbaa !5
  store i64 %10, ptr %1, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br label %16

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  store i64 0, ptr %4, align 8, !tbaa !5
  %12 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %0, ptr noundef nonnull @.str.7, ptr noundef nonnull %4) #4
  %13 = icmp eq i32 %12, 1
  br i1 %13, label %14, label %.thread12

.thread12:                                        ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %16

14:                                               ; preds = %11
  %15 = load i64, ptr %4, align 8, !tbaa !5
  store i64 %15, ptr %1, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %16

16:                                               ; preds = %.thread, %.thread12, %14, %9
  %.2 = phi i1 [ true, %9 ], [ true, %14 ], [ false, %.thread12 ], [ false, %.thread ]
  ret i1 %.2
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint mustprogress 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 = { nofree nounwind "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 #3 = { mustprogress 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 #4 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass