; LLVM IR from niessner/Matterport :: code/gaps/pkgs/R2Shapes/R2Vector.ll (ZN8R2VectordVEd)

; 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.R2Vector = type { [2 x double] }

@RN_EPSILON = external global double, align 8
@.str = external hidden unnamed_addr constant [41 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [90 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN8R2VectordVEd(ptr noundef nonnull align 8 dereferenceable(16) %0, double noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  %6 = load double, ptr %4, align 8, !tbaa !9
  %7 = load double, ptr @RN_EPSILON, align 8, !tbaa !9
  %8 = call noundef i32 @_Z11RNIsNotZerodd(double noundef %6, double noundef %7)
  %9 = icmp ne i32 %8, 0
  br i1 %9, label %11, label %10

10:                                               ; preds = %2
  call void (ptr, ...) @_Z7RNAbortPKcz(ptr noundef @.str, ptr noundef @.str.7, i32 noundef 334, ptr noundef @.str.8)
  br label %11

11:                                               ; preds = %10, %2
  %12 = load double, ptr %4, align 8, !tbaa !9
  %13 = getelementptr inbounds %class.R2Vector, ptr %5, i32 0, i32 0
  %14 = getelementptr inbounds [2 x double], ptr %13, i64 0, i64 0
  %15 = load double, ptr %14, align 8, !tbaa !9
  %16 = fdiv double %15, %12
  store double %16, ptr %14, align 8, !tbaa !9
  %17 = load double, ptr %4, align 8, !tbaa !9
  %18 = getelementptr inbounds %class.R2Vector, ptr %5, i32 0, i32 0
  %19 = getelementptr inbounds [2 x double], ptr %18, i64 0, i64 1
  %20 = load double, ptr %19, align 8, !tbaa !9
  %21 = fdiv double %20, %17
  store double %21, ptr %19, align 8, !tbaa !9
  ret ptr %5
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_Z11RNIsNotZerodd(double noundef, double noundef) #1

declare void @_Z7RNAbortPKcz(ptr noundef, ...) #2

attributes #0 = { 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 #1 = { inlinehint 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 = { "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 = !{!"double", !7, i64 0}


; 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"

@RN_EPSILON = external local_unnamed_addr global double, align 8
@.str = external hidden unnamed_addr constant [41 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [90 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN8R2VectordVEd(ptr noundef nonnull returned align 8 dereferenceable(16) %0, double noundef %1) local_unnamed_addr #0 align 2 {
  %3 = load double, ptr @RN_EPSILON, align 8, !tbaa !5
  %4 = tail call noundef i32 @_Z11RNIsNotZerodd(double noundef %1, double noundef %3)
  %.not = icmp eq i32 %4, 0
  br i1 %.not, label %5, label %6

5:                                                ; preds = %2
  tail call void (ptr, ...) @_Z7RNAbortPKcz(ptr noundef nonnull @.str, ptr noundef nonnull @.str.7, i32 noundef 334, ptr noundef nonnull @.str.8)
  br label %6

6:                                                ; preds = %5, %2
  %7 = load <2 x double>, ptr %0, align 8, !tbaa !5
  %8 = insertelement <2 x double> poison, double %1, i64 0
  %9 = shufflevector <2 x double> %8, <2 x double> poison, <2 x i32> zeroinitializer
  %10 = fdiv <2 x double> %7, %9
  store <2 x double> %10, ptr %0, align 8, !tbaa !5
  ret ptr %0
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_Z11RNIsNotZerodd(double noundef, double noundef) local_unnamed_addr #1

declare void @_Z7RNAbortPKcz(ptr noundef, ...) local_unnamed_addr #2

attributes #0 = { 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 #1 = { inlinehint 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 = { "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,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,TailCallElimPass