; LLVM IR from totte174/minesolve :: src (probability)

; 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 double @choose(double noundef %0, double noundef %1) #0 {
  %3 = alloca double, align 8
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  store double %0, ptr %4, align 8, !tbaa !5
  store double %1, ptr %5, align 8, !tbaa !5
  %6 = load double, ptr %4, align 8, !tbaa !5
  %7 = load double, ptr %5, align 8, !tbaa !5
  %8 = fcmp olt double %6, %7
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  store double 0.000000e+00, ptr %3, align 8
  br label %24

10:                                               ; preds = %2
  %11 = load double, ptr %5, align 8, !tbaa !5
  %12 = fcmp oeq double %11, 0.000000e+00
  br i1 %12, label %13, label %14

13:                                               ; preds = %10
  store double 1.000000e+00, ptr %3, align 8
  br label %24

14:                                               ; preds = %10
  %15 = load double, ptr %4, align 8, !tbaa !5
  %16 = load double, ptr %4, align 8, !tbaa !5
  %17 = fsub double %16, 1.000000e+00
  %18 = load double, ptr %5, align 8, !tbaa !5
  %19 = fsub double %18, 1.000000e+00
  %20 = call double @choose(double noundef %17, double noundef %19)
  %21 = fmul double %15, %20
  %22 = load double, ptr %5, align 8, !tbaa !5
  %23 = fdiv double %21, %22
  store double %23, ptr %3, align 8
  br label %24

24:                                               ; preds = %14, %13, %9
  %25 = load double, ptr %3, align 8
  ret double %25
}

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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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: nofree nosync nounwind memory(none) uwtable
define dso_local double @choose(double noundef %0, double noundef %1) local_unnamed_addr #0 {
  %3 = fcmp olt double %0, %1
  br i1 %3, label %common.ret10, label %4

4:                                                ; preds = %2
  %5 = fcmp oeq double %1, 0.000000e+00
  br i1 %5, label %common.ret10, label %6

common.ret10:                                     ; preds = %4, %2, %6
  %common.ret10.op = phi double [ %11, %6 ], [ 0.000000e+00, %2 ], [ 1.000000e+00, %4 ]
  ret double %common.ret10.op

6:                                                ; preds = %4
  %7 = fadd double %0, -1.000000e+00
  %8 = fadd double %1, -1.000000e+00
  %9 = tail call double @choose(double noundef %7, double noundef %8)
  %10 = fmul double %9, %0
  %11 = fdiv double %10, %1
  br label %common.ret10
}

attributes #0 = { nofree nosync nounwind 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" }

!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: GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass