; LLVM IR from ERGO-Code/HiGHS :: src/simplex/HSimplexNla.ll (ZNK11HSimplexNla15sparseLoopStyleEiiRi)

; 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 zeroext i1 @_ZNK11HSimplexNla15sparseLoopStyleEiiRi(ptr noundef nonnull align 8 dereferenceable(2864) %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 4 dereferenceable(4) %3) #1 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i8, align 1
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #2
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = icmp sge i32 %11, 0
  br i1 %12, label %13, label %20

13:                                               ; preds = %4
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = sitofp i32 %14 to double
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = sitofp i32 %16 to double
  %18 = fmul double 4.000000e-01, %17
  %19 = fcmp olt double %15, %18
  br label %20

20:                                               ; preds = %13, %4
  %21 = phi i1 [ false, %4 ], [ %19, %13 ]
  %22 = zext i1 %21 to i8
  store i8 %22, ptr %9, align 1, !tbaa !11
  %23 = load i8, ptr %9, align 1, !tbaa !11, !range !13, !noundef !14
  %24 = trunc i8 %23 to i1
  br i1 %24, label %25, label %28

25:                                               ; preds = %20
  %26 = load i32, ptr %6, align 4, !tbaa !9
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  store i32 %26, ptr %27, align 4, !tbaa !9
  br label %31

28:                                               ; preds = %20
  %29 = load i32, ptr %7, align 4, !tbaa !9
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  store i32 %29, ptr %30, align 4, !tbaa !9
  br label %31

31:                                               ; preds = %28, %25
  %32 = load i8, ptr %9, align 1, !tbaa !11, !range !13, !noundef !14
  %33 = trunc i8 %32 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #2
  ret i1 %33
}

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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(argmem: write) uwtable
define dso_local noundef zeroext i1 @_ZNK11HSimplexNla15sparseLoopStyleEiiRi(ptr nocapture noundef nonnull readnone align 8 dereferenceable(2864) %0, i32 noundef %1, i32 noundef %2, ptr nocapture noundef nonnull writeonly align 4 dereferenceable(4) %3) local_unnamed_addr #0 align 2 {
  %5 = icmp sgt i32 %1, -1
  %6 = uitofp nneg i32 %1 to double
  %7 = sitofp i32 %2 to double
  %8 = fmul double %7, 4.000000e-01
  %9 = fcmp ogt double %8, %6
  %10 = select i1 %5, i1 %9, i1 false
  %storemerge = select i1 %10, i32 %1, i32 %2
  store i32 %storemerge, ptr %3, align 4, !tbaa !5
  ret i1 %10
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass