; LLVM IR from seppo0010/rlite :: src (util)

; 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 uwtable
define dso_local double @rl_strtod(ptr noundef %0, i64 noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca double, align 8
  %8 = alloca [40 x i8], align 16
  %9 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 40, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %10 = load i64, ptr %5, align 8, !tbaa !9
  %11 = icmp sgt i64 %10, 39
  br i1 %11, label %12, label %13

12:                                               ; preds = %3
  store i64 39, ptr %5, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %12, %3
  %14 = getelementptr inbounds [40 x i8], ptr %8, i64 0, i64 0
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load i64, ptr %5, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %14, ptr align 1 %15, i64 %16, i1 false)
  %17 = load i64, ptr %5, align 8, !tbaa !9
  %18 = getelementptr inbounds [40 x i8], ptr %8, i64 0, i64 %17
  store i8 0, ptr %18, align 1, !tbaa !11
  %19 = getelementptr inbounds [40 x i8], ptr %8, i64 0, i64 0
  %20 = call double @strtod(ptr noundef %19, ptr noundef %9) #4
  store double %20, ptr %7, align 8, !tbaa !12
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %32

23:                                               ; preds = %13
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = load ptr, ptr %9, align 8, !tbaa !5
  %26 = getelementptr inbounds [40 x i8], ptr %8, i64 0, i64 0
  %27 = ptrtoint ptr %25 to i64
  %28 = ptrtoint ptr %26 to i64
  %29 = sub i64 %27, %28
  %30 = getelementptr inbounds i8, ptr %24, i64 %29
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %30, ptr %31, align 8, !tbaa !5
  br label %32

32:                                               ; preds = %23, %13
  %33 = load double, ptr %7, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 40, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret double %33
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nounwind
declare double @strtod(ptr noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !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 nounwind willreturn uwtable
define dso_local double @rl_strtod(ptr noundef %0, i64 noundef %1, ptr noundef writeonly %2) local_unnamed_addr #1 {
  %4 = alloca [40 x i8], align 16
  %5 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %spec.store.select = tail call i64 @llvm.smin.i64(i64 %1, i64 39)
  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 16 %4, ptr align 1 %0, i64 %spec.store.select, i1 false)
  %6 = getelementptr inbounds [40 x i8], ptr %4, i64 0, i64 %spec.store.select
  store i8 0, ptr %6, align 1, !tbaa !5
  %7 = call double @strtod(ptr noundef nonnull %4, ptr noundef nonnull %5) #5
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %14, label %8

8:                                                ; preds = %3
  %9 = load ptr, ptr %5, align 8, !tbaa !8
  %10 = ptrtoint ptr %9 to i64
  %11 = ptrtoint ptr %4 to i64
  %12 = sub i64 %10, %11
  %13 = getelementptr inbounds i8, ptr %0, i64 %12
  store ptr %13, ptr %2, align 8, !tbaa !8
  br label %14

14:                                               ; preds = %8, %3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %4) #5
  ret double %7
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: mustprogress nofree nounwind willreturn
declare double @strtod(ptr noundef readonly, ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.i64(i64, i64) #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !6, i64 0}


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