; LLVM IR from QiaoLiuHit/LSOTB-TIR :: vlfeat-0.9.19/vl (svm)

; 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: nounwind uwtable
define dso_local double @vl_svm_hinge_dca_update(double noundef %0, double noundef %1, double noundef %2, double noundef %3) #1 {
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  %9 = alloca double, align 8
  store double %0, ptr %5, align 8, !tbaa !5
  store double %1, ptr %6, align 8, !tbaa !5
  store double %2, ptr %7, align 8, !tbaa !5
  store double %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %10 = load double, ptr %8, align 8, !tbaa !5
  %11 = load double, ptr %6, align 8, !tbaa !5
  %12 = fsub double %10, %11
  %13 = load double, ptr %7, align 8, !tbaa !5
  %14 = fdiv double %12, %13
  %15 = load double, ptr %5, align 8, !tbaa !5
  %16 = fadd double %14, %15
  store double %16, ptr %9, align 8, !tbaa !5
  %17 = load double, ptr %8, align 8, !tbaa !5
  %18 = load double, ptr %8, align 8, !tbaa !5
  %19 = load double, ptr %9, align 8, !tbaa !5
  %20 = fmul double %18, %19
  %21 = fcmp olt double 1.000000e+00, %20
  br i1 %21, label %22, label %23

22:                                               ; preds = %4
  br label %27

23:                                               ; preds = %4
  %24 = load double, ptr %8, align 8, !tbaa !5
  %25 = load double, ptr %9, align 8, !tbaa !5
  %26 = fmul double %24, %25
  br label %27

27:                                               ; preds = %23, %22
  %28 = phi double [ 1.000000e+00, %22 ], [ %26, %23 ]
  %29 = fcmp ogt double 0.000000e+00, %28
  br i1 %29, label %30, label %31

30:                                               ; preds = %27
  br label %43

31:                                               ; preds = %27
  %32 = load double, ptr %8, align 8, !tbaa !5
  %33 = load double, ptr %9, align 8, !tbaa !5
  %34 = fmul double %32, %33
  %35 = fcmp olt double 1.000000e+00, %34
  br i1 %35, label %36, label %37

36:                                               ; preds = %31
  br label %41

37:                                               ; preds = %31
  %38 = load double, ptr %8, align 8, !tbaa !5
  %39 = load double, ptr %9, align 8, !tbaa !5
  %40 = fmul double %38, %39
  br label %41

41:                                               ; preds = %37, %36
  %42 = phi double [ 1.000000e+00, %36 ], [ %40, %37 ]
  br label %43

43:                                               ; preds = %41, %30
  %44 = phi double [ 0.000000e+00, %30 ], [ %42, %41 ]
  %45 = load double, ptr %5, align 8, !tbaa !5
  %46 = fneg double %45
  %47 = call double @llvm.fmuladd.f64(double %17, double %44, double %46)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret double %47
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #2

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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #3 = { 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"}


; 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 double @vl_svm_hinge_dca_update(double noundef %0, double noundef %1, double noundef %2, double noundef %3) local_unnamed_addr #0 {
  %5 = fsub double %3, %1
  %6 = fdiv double %5, %2
  %7 = fadd double %6, %0
  %8 = fmul double %7, %3
  %9 = fcmp ogt double %8, 1.000000e+00
  %10 = select i1 %9, double 1.000000e+00, double %8
  %11 = fcmp olt double %10, 0.000000e+00
  %12 = select i1 %11, double 0.000000e+00, double %10
  %13 = fneg double %0
  %14 = tail call double @llvm.fmuladd.f64(double %3, double %12, double %13)
  ret double %14
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }

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