; LLVM IR from ashishzero/karma :: src/modules/core/lin_maths.ll (Z11vec3_equals4Vec3S_f)

; 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"

%union.Vec3 = type { %struct.anon }
%struct.anon = type { float, float, float }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fabs.f32(float) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z11vec3_equals4Vec3S_f(<2 x float> %0, float %1, <2 x float> %2, float %3, float noundef %4) #2 {
  %6 = alloca %union.Vec3, align 4
  %7 = alloca { <2 x float>, float }, align 4
  %8 = alloca %union.Vec3, align 4
  %9 = alloca { <2 x float>, float }, align 4
  %10 = alloca float, align 4
  %11 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 0
  store <2 x float> %0, ptr %11, align 4
  %12 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 1
  store float %1, ptr %12, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %7, i64 12, i1 false)
  %13 = getelementptr inbounds { <2 x float>, float }, ptr %9, i32 0, i32 0
  store <2 x float> %2, ptr %13, align 4
  %14 = getelementptr inbounds { <2 x float>, float }, ptr %9, i32 0, i32 1
  store float %3, ptr %14, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 4 %9, i64 12, i1 false)
  store float %4, ptr %10, align 4, !tbaa !5
  %15 = getelementptr inbounds %struct.anon, ptr %6, i32 0, i32 0
  %16 = load float, ptr %15, align 4, !tbaa !9
  %17 = getelementptr inbounds %struct.anon, ptr %8, i32 0, i32 0
  %18 = load float, ptr %17, align 4, !tbaa !9
  %19 = fsub float %16, %18
  %20 = call float @llvm.fabs.f32(float %19)
  %21 = load float, ptr %10, align 4, !tbaa !5
  %22 = fcmp olt float %20, %21
  br i1 %22, label %23, label %41

23:                                               ; preds = %5
  %24 = getelementptr inbounds %struct.anon, ptr %6, i32 0, i32 1
  %25 = load float, ptr %24, align 4, !tbaa !9
  %26 = getelementptr inbounds %struct.anon, ptr %8, i32 0, i32 1
  %27 = load float, ptr %26, align 4, !tbaa !9
  %28 = fsub float %25, %27
  %29 = call float @llvm.fabs.f32(float %28)
  %30 = load float, ptr %10, align 4, !tbaa !5
  %31 = fcmp olt float %29, %30
  br i1 %31, label %32, label %41

32:                                               ; preds = %23
  %33 = getelementptr inbounds %struct.anon, ptr %6, i32 0, i32 2
  %34 = load float, ptr %33, align 4, !tbaa !9
  %35 = getelementptr inbounds %struct.anon, ptr %8, i32 0, i32 2
  %36 = load float, ptr %35, align 4, !tbaa !9
  %37 = fsub float %34, %36
  %38 = call float @llvm.fabs.f32(float %37)
  %39 = load float, ptr %10, align 4, !tbaa !5
  %40 = fcmp olt float %38, %39
  br label %41

41:                                               ; preds = %32, %23, %5
  %42 = phi i1 [ false, %23 ], [ false, %5 ], [ %40, %32 ]
  ret i1 %42
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="64" "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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !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"

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fabs.f32(float) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef zeroext i1 @_Z11vec3_equals4Vec3S_f(<2 x float> %0, float %1, <2 x float> %2, float %3, float noundef %4) local_unnamed_addr #1 {
  %6 = fsub <2 x float> %0, %2
  %7 = extractelement <2 x float> %6, i64 0
  %8 = tail call float @llvm.fabs.f32(float %7)
  %9 = fcmp olt float %8, %4
  br i1 %9, label %10, label %19

10:                                               ; preds = %5
  %11 = fsub <2 x float> %0, %2
  %12 = extractelement <2 x float> %11, i64 1
  %13 = tail call float @llvm.fabs.f32(float %12)
  %14 = fcmp olt float %13, %4
  br i1 %14, label %15, label %19

15:                                               ; preds = %10
  %16 = fsub float %1, %3
  %17 = tail call float @llvm.fabs.f32(float %16)
  %18 = fcmp olt float %17, %4
  br label %19

19:                                               ; preds = %15, %10, %5
  %20 = phi i1 [ false, %10 ], [ false, %5 ], [ %18, %15 ]
  ret i1 %20
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable "min-legal-vector-width"="64" "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)"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass,VectorCombinePass