; LLVM IR from alexzheng42/sDMD :: src (CG)

; 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.CGBeadStr = type { double, double, double, double }

; 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 @FindMaxPotDis(ptr noundef byval(%struct.CGBeadStr) align 8 %0, ptr noundef byval(%struct.CGBeadStr) align 8 %1, double noundef %2) #1 {
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  store double %2, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  store double 1.000000e-01, ptr %5, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %11, %3
  %7 = load double, ptr %5, align 8, !tbaa !5
  %8 = call double @CalculateSurPoten(ptr noundef byval(%struct.CGBeadStr) align 8 %0, ptr noundef byval(%struct.CGBeadStr) align 8 %1, double noundef %7)
  %9 = load double, ptr %4, align 8, !tbaa !5
  %10 = fcmp ogt double %8, %9
  br i1 %10, label %11, label %14

11:                                               ; preds = %6
  %12 = load double, ptr %5, align 8, !tbaa !5
  %13 = fadd double %12, 2.000000e-02
  store double %13, ptr %5, align 8, !tbaa !5
  br label %6, !llvm.loop !9

14:                                               ; preds = %6
  %15 = load double, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret double %15
}

; Function Attrs: nounwind uwtable
declare dso_local double @CalculateSurPoten(ptr noundef byval(%struct.CGBeadStr) align 8, ptr noundef byval(%struct.CGBeadStr) align 8, double noundef) #1

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 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; 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"

%struct.CGBeadStr = type { double, double, double, double }

; Function Attrs: nounwind uwtable
define dso_local noundef double @FindMaxPotDis(ptr noundef byval(%struct.CGBeadStr) align 8 %0, ptr noundef byval(%struct.CGBeadStr) align 8 %1, double noundef %2) local_unnamed_addr #0 {
  %4 = tail call double @CalculateSurPoten(ptr noundef nonnull byval(%struct.CGBeadStr) align 8 %0, ptr noundef nonnull byval(%struct.CGBeadStr) align 8 %1, double noundef 1.000000e-01)
  %5 = fcmp ogt double %4, %2
  br i1 %5, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.04 = phi double [ %6, %.lr.ph ], [ 1.000000e-01, %3 ]
  %6 = fadd double %.04, 2.000000e-02
  %7 = tail call double @CalculateSurPoten(ptr noundef nonnull byval(%struct.CGBeadStr) align 8 %0, ptr noundef nonnull byval(%struct.CGBeadStr) align 8 %1, double noundef %6)
  %8 = fcmp ogt double %7, %2
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %3
  %.0.lcssa = phi double [ 1.000000e-01, %3 ], [ %6, %.lr.ph ]
  ret double %.0.lcssa
}

; Function Attrs: nounwind uwtable
declare dso_local double @CalculateSurPoten(ptr noundef byval(%struct.CGBeadStr) align 8, ptr noundef byval(%struct.CGBeadStr) align 8, double noundef) local_unnamed_addr #0

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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass