; LLVM IR from seung-lab/fpzip :: fpzip-1.3.0/src/rcqsmodel.ll (ZN9RCqsmodel6updateEj)

; 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"

%class.RCqsmodel = type { %class.RCmodel.base, i32, i32, i32, i32, i32, i32, ptr, ptr, i32, ptr }
%class.RCmodel.base = type <{ ptr, i32 }>

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9RCqsmodel6updateEv(ptr noundef nonnull align 8 dereferenceable(72)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN9RCqsmodel6updateEj(ptr noundef nonnull align 8 dereferenceable(72) %0, i32 noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds %class.RCqsmodel, ptr %5, i32 0, i32 2
  %7 = load i32, ptr %6, align 8, !tbaa !11
  %8 = icmp ne i32 %7, 0
  br i1 %8, label %10, label %9

9:                                                ; preds = %2
  call void @_ZN9RCqsmodel6updateEv(ptr noundef nonnull align 8 dereferenceable(72) %5)
  br label %10

10:                                               ; preds = %9, %2
  %11 = getelementptr inbounds %class.RCqsmodel, ptr %5, i32 0, i32 2
  %12 = load i32, ptr %11, align 8, !tbaa !11
  %13 = add i32 %12, -1
  store i32 %13, ptr %11, align 8, !tbaa !11
  %14 = getelementptr inbounds %class.RCqsmodel, ptr %5, i32 0, i32 4
  %15 = load i32, ptr %14, align 8, !tbaa !14
  %16 = getelementptr inbounds %class.RCqsmodel, ptr %5, i32 0, i32 7
  %17 = load ptr, ptr %16, align 8, !tbaa !15
  %18 = load i32, ptr %4, align 4, !tbaa !9
  %19 = zext i32 %18 to i64
  %20 = getelementptr inbounds i32, ptr %17, i64 %19
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = add i32 %21, %15
  store i32 %22, ptr %20, align 4, !tbaa !9
  ret void
}

attributes #0 = { 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" }

!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, !10, i64 16}
!12 = !{!"_ZTS9RCqsmodel", !13, i64 0, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !10, i64 32, !6, i64 40, !6, i64 48, !10, i64 56, !6, i64 64}
!13 = !{!"_ZTS7RCmodel", !10, i64 8}
!14 = !{!12, !10, i64 24}
!15 = !{!12, !6, i64 40}


; 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 nounwind uwtable
declare dso_local void @_ZN9RCqsmodel6updateEv(ptr noundef nonnull align 8 dereferenceable(72)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN9RCqsmodel6updateEj(ptr noundef nonnull align 8 dereferenceable(72) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %.not = icmp eq i32 %4, 0
  br i1 %.not, label %5, label %6

5:                                                ; preds = %2
  tail call void @_ZN9RCqsmodel6updateEv(ptr noundef nonnull align 8 dereferenceable(72) %0)
  %.pre = load i32, ptr %3, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %5, %2
  %7 = phi i32 [ %.pre, %5 ], [ %4, %2 ]
  %8 = add i32 %7, -1
  store i32 %8, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %0, i64 24
  %10 = load i32, ptr %9, align 8, !tbaa !12
  %11 = getelementptr inbounds i8, ptr %0, i64 40
  %12 = load ptr, ptr %11, align 8, !tbaa !13
  %13 = zext i32 %1 to i64
  %14 = getelementptr inbounds i32, ptr %12, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !14
  %16 = add i32 %15, %10
  store i32 %16, ptr %14, align 4, !tbaa !14
  ret void
}

attributes #0 = { 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" }

!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, !8, i64 16}
!6 = !{!"_ZTS9RCqsmodel", !7, i64 0, !8, i64 12, !8, i64 16, !8, i64 20, !8, i64 24, !8, i64 28, !8, i64 32, !11, i64 40, !11, i64 48, !8, i64 56, !11, i64 64}
!7 = !{!"_ZTS7RCmodel", !8, i64 8}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"any pointer", !9, i64 0}
!12 = !{!6, !8, i64 24}
!13 = !{!6, !11, i64 40}
!14 = !{!8, !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,SROAPass,TailCallElimPass