; LLVM IR from sp-nitech/SPTK :: src/utils (sptk_utils)

; 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"

; 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 nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: nounwind
declare noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #2

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #3

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN4sptk21ConvertStringToDoubleERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPd(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca double, align 8
  %8 = alloca i32, align 4
  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 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  br i1 %10, label %14, label %11

11:                                               ; preds = %2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp eq ptr null, %12
  br i1 %13, label %14, label %15

14:                                               ; preds = %11, %2
  store i1 false, ptr %3, align 1
  br label %37

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  %18 = call double @strtod(ptr noundef %17, ptr noundef %6) #4
  store double %18, ptr %7, align 8, !tbaa !9
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = call noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef %20) #4
  %22 = icmp eq i32 0, %21
  br i1 %22, label %32, label %23

23:                                               ; preds = %15
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = load i8, ptr %24, align 1, !tbaa !11
  %26 = sext i8 %25 to i32
  %27 = icmp ne i32 0, %26
  br i1 %27, label %32, label %28

28:                                               ; preds = %23
  %29 = call ptr @__errno_location() #5
  %30 = load i32, ptr %29, align 4, !tbaa !12
  %31 = icmp eq i32 34, %30
  br i1 %31, label %32, label %33

32:                                               ; preds = %28, %23, %15
  store i1 false, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %36

33:                                               ; preds = %28
  %34 = load double, ptr %7, align 8, !tbaa !9
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  store double %34, ptr %35, align 8, !tbaa !9
  store i1 true, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %36

36:                                               ; preds = %33, %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %37

37:                                               ; preds = %36, %14
  %38 = load i1, ptr %3, align 1
  ret i1 %38
}

; Function Attrs: nounwind
declare double @strtod(ptr noundef, ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 "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 willreturn memory(none) "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 }
attributes #5 = { nounwind willreturn memory(none) }

!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 = !{!"double", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"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"

; 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 nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: nounwind
declare noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN4sptk21ConvertStringToDoubleERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPd(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef writeonly %1) local_unnamed_addr #1 {
  %3 = alloca ptr, align 8
  %4 = tail call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %5 = icmp eq ptr %1, null
  %or.cond = or i1 %5, %4
  br i1 %or.cond, label %20, label %6

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %7 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %8 = call double @strtod(ptr noundef %7, ptr noundef nonnull %3) #5
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = tail call noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %9) #5
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %19, label %12

12:                                               ; preds = %6
  %13 = load i8, ptr %9, align 1, !tbaa !9
  %.not = icmp eq i8 %13, 0
  br i1 %.not, label %14, label %19

14:                                               ; preds = %12
  %15 = tail call ptr @__errno_location() #6
  %16 = load i32, ptr %15, align 4, !tbaa !10
  %17 = icmp eq i32 %16, 34
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  store double %8, ptr %1, align 8, !tbaa !12
  br label %19

19:                                               ; preds = %6, %12, %14, %18
  %.0 = phi i1 [ true, %18 ], [ false, %14 ], [ false, %12 ], [ false, %6 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br label %20

20:                                               ; preds = %2, %19
  %.1 = phi i1 [ %.0, %19 ], [ false, %2 ]
  ret i1 %.1
}

; Function Attrs: mustprogress nofree nounwind willreturn
declare double @strtod(ptr noundef readonly, ptr nocapture noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 "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 nofree nosync nounwind willreturn memory(none) "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 = { mustprogress nofree nounwind willreturn "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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(none) }

!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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !7, i64 0}


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