; LLVM IR from romerojosh/zefr :: src/funcs.ll (ZN4Quat4conjEv)

; 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"

%struct.Quat = type { [4 x double] }

; 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 uwtable
define dso_local void @_ZN4Quat4conjEv(ptr dead_on_unwind noalias writable sret(%struct.Quat) align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %1, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  call void @_ZN4QuatC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0)
  %6 = getelementptr inbounds %struct.Quat, ptr %5, i32 0, i32 0
  %7 = getelementptr inbounds [4 x double], ptr %6, i64 0, i64 0
  %8 = load double, ptr %7, align 8, !tbaa !9
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4QuatixEj(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef 0)
  store double %8, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 1, ptr %4, align 4, !tbaa !11
  br label %10

10:                                               ; preds = %23, %2
  %11 = load i32, ptr %4, align 4, !tbaa !11
  %12 = icmp ult i32 %11, 4
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %26

14:                                               ; preds = %10
  %15 = getelementptr inbounds %struct.Quat, ptr %5, i32 0, i32 0
  %16 = load i32, ptr %4, align 4, !tbaa !11
  %17 = zext i32 %16 to i64
  %18 = getelementptr inbounds [4 x double], ptr %15, i64 0, i64 %17
  %19 = load double, ptr %18, align 8, !tbaa !9
  %20 = fneg double %19
  %21 = load i32, ptr %4, align 4, !tbaa !11
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4QuatixEj(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %21)
  store double %20, ptr %22, align 8, !tbaa !9
  br label %23

23:                                               ; preds = %14
  %24 = load i32, ptr %4, align 4, !tbaa !11
  %25 = add i32 %24, 1
  store i32 %25, ptr %4, align 4, !tbaa !11
  br label %10, !llvm.loop !13

26:                                               ; preds = %13
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4QuatC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN4QuatixEj(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

%struct.Quat = type { [4 x double] }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4Quat4conjEv(ptr dead_on_unwind noalias nonnull writable sret(%struct.Quat) align 8 %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(32) %1) local_unnamed_addr #0 align 2 {
  tail call void @_ZN4QuatC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0)
  %3 = load double, ptr %1, align 8, !tbaa !5
  %4 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4QuatixEj(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef 0)
  store double %3, ptr %4, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  %6 = load double, ptr %5, align 8, !tbaa !5
  %7 = fneg double %6
  %8 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4QuatixEj(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef 1)
  store double %7, ptr %8, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 16
  %10 = load double, ptr %9, align 8, !tbaa !5
  %11 = fneg double %10
  %12 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4QuatixEj(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef 2)
  store double %11, ptr %12, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %1, i64 24
  %14 = load double, ptr %13, align 8, !tbaa !5
  %15 = fneg double %14
  %16 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4QuatixEj(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef 3)
  store double %15, ptr %16, align 8, !tbaa !5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4QuatC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN4QuatixEj(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) local_unnamed_addr #0 align 2

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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass