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

; 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_IMI_Lookback(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = icmp eq i32 %4, -2147483648
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  store i32 14, ptr %3, align 4, !tbaa !5
  br label %15

7:                                                ; preds = %1
  %8 = load i32, ptr %3, align 4, !tbaa !5
  %9 = icmp slt i32 %8, 2
  br i1 %9, label %13, label %10

10:                                               ; preds = %7
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 100000
  br i1 %12, label %13, label %14

13:                                               ; preds = %10, %7
  store i32 -1, ptr %2, align 4
  br label %23

14:                                               ; preds = %10
  br label %15

15:                                               ; preds = %14, %6
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = load ptr, ptr @TA_Globals, align 8, !tbaa !9
  %18 = getelementptr inbounds %struct.TA_LibcPriv, ptr %17, i32 0, i32 7
  %19 = getelementptr inbounds [24 x i32], ptr %18, i64 0, i64 12
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = add i32 %16, %20
  %22 = sub i32 %21, 1
  store i32 %22, ptr %2, align 4
  br label %23

23:                                               ; preds = %15, %13
  %24 = load i32, ptr %2, align 4
  ret i32 %24
}

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 = !{!"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_IMI_Lookback(i32 noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq i32 %0, -2147483648
  br i1 %2, label %5, label %3

3:                                                ; preds = %1
  %4 = add i32 %0, -100001
  %or.cond = icmp ult i32 %4, -99999
  br i1 %or.cond, label %11, label %5

5:                                                ; preds = %1, %3
  %.0 = phi i32 [ %0, %3 ], [ 14, %1 ]
  %6 = load ptr, ptr @TA_Globals, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 156
  %8 = load i32, ptr %7, align 4, !tbaa !9
  %9 = add nsw i32 %.0, -1
  %10 = add i32 %9, %8
  br label %11

11:                                               ; preds = %3, %5
  %.06 = phi i32 [ %10, %5 ], [ -1, %3 ]
  ret i32 %.06
}

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,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass