; 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_hinge2_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 %5, align 8, !tbaa !5
  %14 = call double @llvm.fmuladd.f64(double -5.000000e-01, double %13, double %12)
  %15 = load double, ptr %7, align 8, !tbaa !5
  %16 = fadd double %15, 5.000000e-01
  %17 = fdiv double %14, %16
  %18 = load double, ptr %5, align 8, !tbaa !5
  %19 = fadd double %17, %18
  store double %19, ptr %9, align 8, !tbaa !5
  %20 = load double, ptr %8, align 8, !tbaa !5
  %21 = load double, ptr %8, align 8, !tbaa !5
  %22 = load double, ptr %9, align 8, !tbaa !5
  %23 = fmul double %21, %22
  %24 = fcmp ogt double 0.000000e+00, %23
  br i1 %24, label %25, label %26

25:                                               ; preds = %4
  br label %30

26:                                               ; preds = %4
  %27 = load double, ptr %8, align 8, !tbaa !5
  %28 = load double, ptr %9, align 8, !tbaa !5
  %29 = fmul double %27, %28
  br label %30

30:                                               ; preds = %26, %25
  %31 = phi double [ 0.000000e+00, %25 ], [ %29, %26 ]
  %32 = load double, ptr %5, align 8, !tbaa !5
  %33 = fneg double %32
  %34 = call double @llvm.fmuladd.f64(double %20, double %31, double %33)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret double %34
}

; 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_hinge2_dca_update(double noundef %0, double noundef %1, double noundef %2, double noundef %3) local_unnamed_addr #0 {
  %5 = fsub double %3, %1
  %6 = tail call double @llvm.fmuladd.f64(double %0, double -5.000000e-01, double %5)
  %7 = fadd double %2, 5.000000e-01
  %8 = fdiv double %6, %7
  %9 = fadd double %8, %0
  %10 = fmul double %9, %3
  %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