; LLVM IR from turi-code/SFrame :: cxxtest/cxxtest/ValueTraits.ll (ZN7CxxTest11ValueTraitsIKdE20requiredDigitsOnLeftEd)

; 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: 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: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN7CxxTest11ValueTraitsIKdE20requiredDigitsOnLeftEd(double noundef %0) #1 align 2 {
  %2 = alloca double, align 8
  %3 = alloca i32, align 4
  store double %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 1, ptr %3, align 4, !tbaa !9
  %4 = load double, ptr %2, align 8, !tbaa !5
  %5 = fcmp olt double %4, 0.000000e+00
  br i1 %5, label %6, label %9

6:                                                ; preds = %1
  %7 = load double, ptr %2, align 8, !tbaa !5
  %8 = fneg double %7
  br label %11

9:                                                ; preds = %1
  %10 = load double, ptr %2, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %9, %6
  %12 = phi double [ %8, %6 ], [ %10, %9 ]
  store double %12, ptr %2, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %19, %11
  %14 = load double, ptr %2, align 8, !tbaa !5
  %15 = fcmp ogt double %14, 1.000000e+00
  br i1 %15, label %16, label %22

16:                                               ; preds = %13
  %17 = load i32, ptr %3, align 4, !tbaa !9
  %18 = add i32 %17, 1
  store i32 %18, ptr %3, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %16
  %20 = load double, ptr %2, align 8, !tbaa !5
  %21 = fdiv double %20, 1.000000e+01
  store double %21, ptr %2, align 8, !tbaa !5
  br label %13, !llvm.loop !11

22:                                               ; preds = %13
  %23 = load i32, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %23
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef i32 @_ZN7CxxTest11ValueTraitsIKdE20requiredDigitsOnLeftEd(double noundef %0) local_unnamed_addr #0 align 2 {
  %2 = fcmp olt double %0, 0.000000e+00
  %3 = fneg double %0
  %4 = select i1 %2, double %3, double %0
  %5 = fcmp ogt double %4, 1.000000e+00
  br i1 %5, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.08 = phi i32 [ %6, %.lr.ph ], [ 1, %1 ]
  %.067 = phi double [ %7, %.lr.ph ], [ %4, %1 ]
  %6 = add i32 %.08, 1
  %7 = fdiv double %.067, 1.000000e+01
  %8 = fcmp ogt double %7, 1.000000e+00
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.0.lcssa = phi i32 [ 1, %1 ], [ %6, %.lr.ph ]
  ret i32 %.0.lcssa
}

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" }

!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