; LLVM IR from iqiyi/xgboost-serving :: tensorflow_serving/util/strings/numeric.ll (Z11safe_strtodPKcPd)

; 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: nounwind willreturn memory(none)
declare ptr @__errno_location() #1

; Function Attrs: nounwind willreturn memory(read)
declare i32 @isspace(i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z11safe_strtodPKcPd(ptr noundef %0, ptr noundef %1) #3 {
  %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 = call ptr @__errno_location() #5
  store i32 0, ptr %9, align 4, !tbaa !9
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  store double 0.000000e+00, ptr %10, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call double @strtod(ptr noundef %11, ptr noundef %6) #6
  store double %12, ptr %7, align 8, !tbaa !11
  %13 = call ptr @__errno_location() #5
  %14 = load i32, ptr %13, align 4, !tbaa !9
  %15 = icmp eq i32 %14, 34
  br i1 %15, label %16, label %17

16:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %36

17:                                               ; preds = %2
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load i8, ptr %18, align 1, !tbaa !13
  %20 = sext i8 %19 to i32
  %21 = call i32 @isspace(i32 noundef %20) #7
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %32, label %23

23:                                               ; preds = %17
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = load i8, ptr %24, align 1, !tbaa !13
  %26 = sext i8 %25 to i32
  %27 = icmp eq i32 %26, 0
  br i1 %27, label %28, label %35

28:                                               ; preds = %23
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = icmp ne ptr %29, %30
  br i1 %31, label %32, label %35

32:                                               ; preds = %28, %17
  %33 = load double, ptr %7, align 8, !tbaa !11
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  store double %33, ptr %34, align 8, !tbaa !11
  store i1 true, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %36

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

36:                                               ; preds = %35, %32, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  %37 = load i1, ptr %3, align 1
  ret i1 %37
}

; Function Attrs: nounwind
declare double @strtod(ptr noundef, ptr noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nounwind willreturn memory(read) "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 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 #4 = { 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 #5 = { nounwind willreturn memory(none) }
attributes #6 = { nounwind }
attributes #7 = { nounwind willreturn memory(read) }

!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}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!7, !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 nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @isspace(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn uwtable
define dso_local noundef zeroext i1 @_Z11safe_strtodPKcPd(ptr noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #3 {
  %3 = alloca ptr, align 8
  %4 = tail call ptr @__errno_location() #5
  store i32 0, ptr %4, align 4, !tbaa !5
  store double 0.000000e+00, ptr %1, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %5 = call double @strtod(ptr noundef %0, ptr noundef nonnull %3) #6
  %6 = load i32, ptr %4, align 4, !tbaa !5
  %7 = icmp eq i32 %6, 34
  br i1 %7, label %16, label %8

8:                                                ; preds = %2
  %9 = load ptr, ptr %3, align 8, !tbaa !11
  %10 = load i8, ptr %9, align 1, !tbaa !13
  %11 = sext i8 %10 to i32
  %12 = tail call i32 @isspace(i32 noundef %11) #7
  %.not = icmp eq i32 %12, 0
  br i1 %.not, label %13, label %15

13:                                               ; preds = %8
  %14 = icmp ne i8 %10, 0
  %.not6 = icmp eq ptr %9, %0
  %or.cond = or i1 %.not6, %14
  br i1 %or.cond, label %16, label %15

15:                                               ; preds = %13, %8
  store double %5, ptr %1, align 8, !tbaa !9
  br label %16

16:                                               ; preds = %13, %2, %15
  %.0 = phi i1 [ true, %15 ], [ false, %2 ], [ false, %13 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  ret i1 %.0
}

; 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 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 #2 = { mustprogress nofree nounwind willreturn memory(read) "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 nounwind willreturn 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 = { 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 willreturn memory(none) }
attributes #6 = { nounwind }
attributes #7 = { nounwind willreturn memory(read) }

!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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = !{!7, !7, i64 0}


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