; LLVM IR from Xiangyu-Hu/SPHinXsys :: src/shared/tools/tinyxml2.ll (ZN8tinyxml27XMLUtil12ToUnsigned64EPKcPm)

; 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.8 = 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 @_ZN8tinyxml27XMLUtil12ToUnsigned64EPKcPm(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
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store i64 0, ptr %6, align 8, !tbaa !9
  %8 = load ptr, ptr %4, 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 %12

11:                                               ; preds = %2
  br label %13

12:                                               ; preds = %2
  br label %13

13:                                               ; preds = %12, %11
  %14 = phi ptr [ @.str.16, %11 ], [ @.str.8, %12 ]
  %15 = getelementptr inbounds [5 x i8], ptr %14, i64 0, i64 0
  %16 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %8, ptr noundef %15, ptr noundef %6) #4
  %17 = icmp eq i32 %16, 1
  br i1 %17, label %18, label %21

18:                                               ; preds = %13
  %19 = load i64, ptr %6, align 8, !tbaa !9
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  store i64 %19, ptr %20, align 8, !tbaa !11
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %22

21:                                               ; preds = %13
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %22

22:                                               ; preds = %21, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  %23 = load i1, ptr %3, align 1
  ret i1 %23
}

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.8 = 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 @_ZN8tinyxml27XMLUtil12ToUnsigned64EPKcPm(ptr noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #3 align 2 {
  %3 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  store i64 0, ptr %3, align 8, !tbaa !5
  %4 = tail call noundef zeroext i1 @_ZN8tinyxml27XMLUtil11IsPrefixHexEPKc(ptr noundef %0)
  %.str.16..str.8 = select i1 %4, ptr @.str.16, ptr @.str.8
  %5 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %0, ptr noundef nonnull %.str.16..str.8, ptr noundef nonnull %3) #4
  %6 = icmp eq i32 %5, 1
  br i1 %6, label %7, label %9

7:                                                ; preds = %2
  %8 = load i64, ptr %3, align 8, !tbaa !5
  store i64 %8, ptr %1, align 8, !tbaa !9
  br label %9

9:                                                ; preds = %2, %7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret i1 %6
}

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: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass