; LLVM IR from mkmarek/forex.analytics :: lib/ta-lib/src/ta_func (ta_T3)

; 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"

%struct.TA_LibcPriv = type { i32, [3 x %struct.TA_ModuleControl], i32, i32, ptr, ptr, i32, [24 x i32], [11 x %struct.TA_CandleSetting] }
%struct.TA_ModuleControl = type { i32, ptr, ptr }
%struct.TA_CandleSetting = type { i32, i32, i32, double }

@TA_Globals = external global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @TA_T3_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, 2
  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 %39

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 0x3FE6666666666666, 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, 0.000000e+00
  br i1 %23, label %27, label %24

24:                                               ; preds = %21
  %25 = load double, ptr %5, align 8, !tbaa !9
  %26 = fcmp ogt double %25, 1.000000e+00
  br i1 %26, label %27, label %28

27:                                               ; preds = %24, %21
  store i32 -1, ptr %3, align 4
  br label %39

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
  %33 = mul nsw i32 6, %32
  %34 = load ptr, ptr @TA_Globals, align 8, !tbaa !11
  %35 = getelementptr inbounds %struct.TA_LibcPriv, ptr %34, i32 0, i32 7
  %36 = getelementptr inbounds [24 x i32], ptr %35, i64 0, i64 23
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = add i32 %33, %37
  store i32 %38, ptr %3, align 4
  br label %39

39:                                               ; preds = %29, %27, %15
  %40 = load i32, ptr %3, align 4
  ret i32 %40
}

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}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !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"

@TA_Globals = external local_unnamed_addr global ptr, align 8

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local i32 @TA_T3_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, -99999
  br i1 %or.cond, label %18, label %6

6:                                                ; preds = %2, %4
  %.011 = phi i32 [ %0, %4 ], [ 5, %2 ]
  %7 = fcmp oeq double %1, -4.000000e+37
  br i1 %7, label %11, label %8

8:                                                ; preds = %6
  %9 = fcmp olt double %1, 0.000000e+00
  %10 = fcmp ogt double %1, 1.000000e+00
  %or.cond3 = or i1 %9, %10
  br i1 %or.cond3, label %18, label %11

11:                                               ; preds = %6, %8
  %12 = mul nuw nsw i32 %.011, 6
  %13 = add nsw i32 %12, -6
  %14 = load ptr, ptr @TA_Globals, align 8, !tbaa !5
  %15 = getelementptr inbounds i8, ptr %14, i64 200
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = add i32 %13, %16
  br label %18

18:                                               ; preds = %8, %4, %11
  %.012 = phi i32 [ %17, %11 ], [ -1, %4 ], [ -1, %8 ]
  ret i32 %.012
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: 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" }

!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 = !{!"int", !7, i64 0}


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