; LLVM IR from Xiangyu-Hu/SPHinXsys :: src/shared/tools/tinyxml2.ll (ZN8tinyxml27XMLUtil5ToIntEPKcPi)

; 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.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [3 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: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8tinyxml27XMLUtil5ToIntEPKcPi(ptr noundef %0, ptr noundef %1) #1 align 2 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call noundef zeroext i1 @_ZN8tinyxml27XMLUtil11IsPrefixHexEPKc(ptr noundef %8)
  br i1 %9, label %10, label %21

10:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %11, ptr noundef @.str.9, ptr noundef %6) #4
  %13 = icmp eq i32 %12, 1
  br i1 %13, label %14, label %17

14:                                               ; preds = %10
  %15 = load i32, ptr %6, align 4, !tbaa !9
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %15, ptr %16, align 4, !tbaa !9
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %18

17:                                               ; preds = %10
  store i32 0, ptr %7, align 4
  br label %18

18:                                               ; preds = %17, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  %19 = load i32, ptr %7, align 4
  switch i32 %19, label %31 [
    i32 0, label %20
    i32 1, label %29
  ]

20:                                               ; preds = %18
  br label %28

21:                                               ; preds = %2
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %22, ptr noundef @.str.2, ptr noundef %23) #4
  %25 = icmp eq i32 %24, 1
  br i1 %25, label %26, label %27

26:                                               ; preds = %21
  store i1 true, ptr %3, align 1
  br label %29

27:                                               ; preds = %21
  br label %28

28:                                               ; preds = %27, %20
  store i1 false, ptr %3, align 1
  br label %29

29:                                               ; preds = %28, %26, %18
  %30 = load i1, ptr %3, align 1
  ret i1 %30

31:                                               ; preds = %18
  unreachable
}

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

; Function Attrs: nounwind
declare i32 @__isoc99_sscanf(ptr noundef, ptr noundef, ...) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 #3 = { 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 #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 = !{!"int", !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.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [3 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: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8tinyxml27XMLUtil5ToIntEPKcPi(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 align 2 {
  %3 = alloca i32, align 4
  %4 = tail call noundef zeroext i1 @_ZN8tinyxml27XMLUtil11IsPrefixHexEPKc(ptr noundef %0)
  br i1 %4, label %5, label %10

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

.thread:                                          ; preds = %5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  br label %13

8:                                                ; preds = %5
  %9 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %9, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  br label %14

10:                                               ; preds = %2
  %11 = tail call i32 (ptr, ptr, ...) @__isoc99_sscanf(ptr noundef %0, ptr noundef nonnull @.str.2, ptr noundef %1) #4
  %12 = icmp eq i32 %11, 1
  br i1 %12, label %14, label %13

13:                                               ; preds = %.thread, %10
  br label %14

14:                                               ; preds = %8, %10, %13
  %.1 = phi i1 [ true, %8 ], [ false, %13 ], [ true, %10 ]
  ret i1 %.1
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_sscanf(ptr nocapture noundef readonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #3

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


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