; LLVM IR from mkmarek/forex.analytics :: lib/ta-lib/src/ta_func (ta_VAR)

; 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: nounwind uwtable
define dso_local i32 @TA_VAR_Lookback(i32 noundef %0, double noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca double, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store double %1, ptr %5, align 8, !tbaa !9
  %6 = load i32, ptr %4, align 4, !tbaa !5
  %7 = icmp eq i32 %6, -2147483648
  br i1 %7, label %8, label %9

8:                                                ; preds = %2
  store i32 5, ptr %4, align 4, !tbaa !5
  br label %17

9:                                                ; preds = %2
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = icmp slt i32 %10, 1
  br i1 %11, label %15, label %12

12:                                               ; preds = %9
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = icmp sgt i32 %13, 100000
  br i1 %14, label %15, label %16

15:                                               ; preds = %12, %9
  store i32 -1, ptr %3, align 4
  br label %33

16:                                               ; preds = %12
  br label %17

17:                                               ; preds = %16, %8
  %18 = load double, ptr %5, align 8, !tbaa !9
  %19 = fcmp oeq double %18, -4.000000e+37
  br i1 %19, label %20, label %21

20:                                               ; preds = %17
  store double 1.000000e+00, ptr %5, align 8, !tbaa !9
  br label %29

21:                                               ; preds = %17
  %22 = load double, ptr %5, align 8, !tbaa !9
  %23 = fcmp olt double %22, -3.000000e+37
  br i1 %23, label %27, label %24

24:                                               ; preds = %21
  %25 = load double, ptr %5, align 8, !tbaa !9
  %26 = fcmp ogt double %25, 3.000000e+37
  br i1 %26, label %27, label %28

27:                                               ; preds = %24, %21
  store i32 -1, ptr %3, align 4
  br label %33

28:                                               ; preds = %24
  br label %29

29:                                               ; preds = %28, %20
  %30 = load double, ptr %5, align 8, !tbaa !9
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = sub nsw i32 %31, 1
  store i32 %32, ptr %3, align 4
  br label %33

33:                                               ; preds = %29, %27, %15
  %34 = load i32, ptr %3, align 4
  ret i32 %34
}

attributes #0 = { 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" }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local range(i32 -2147483648, 100000) i32 @TA_VAR_Lookback(i32 noundef %0, double noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq i32 %0, -2147483648
  br i1 %3, label %6, label %4

4:                                                ; preds = %2
  %5 = add i32 %0, -100001
  %or.cond = icmp ult i32 %5, -100000
  br i1 %or.cond, label %11, label %6

6:                                                ; preds = %2, %4
  %.011 = phi i32 [ %0, %4 ], [ 5, %2 ]
  %7 = fcmp une double %1, -4.000000e+37
  %8 = tail call double @llvm.fabs.f64(double %1)
  %or.cond3 = fcmp ogt double %8, 3.000000e+37
  %or.cond14 = and i1 %7, %or.cond3
  br i1 %or.cond14, label %11, label %9

9:                                                ; preds = %6
  %10 = add nsw i32 %.011, -1
  br label %11

11:                                               ; preds = %6, %4, %9
  %.012 = phi i32 [ %10, %9 ], [ -1, %4 ], [ -1, %6 ]
  ret i32 %.012
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fabs.f64(double) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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 #1 = { nocallback nofree nosync nounwind speculatable 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)"}


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