; LLVM IR from ashishzero/karma :: src/modules/core/lin_maths.ll (Z11vec4_equals4Vec4S_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.Vec4 = type { %struct.anon.3 }
%struct.anon.3 = type { float, float, float, float }

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

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z11vec4_equals4Vec4S_f(<2 x float> %0, <2 x float> %1, <2 x float> %2, <2 x float> %3, float noundef %4) #1 {
  %6 = alloca %union.Vec4, align 4
  %7 = alloca %union.Vec4, align 4
  %8 = alloca float, align 4
  %9 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %6, i32 0, i32 0
  store <2 x float> %0, ptr %9, align 4
  %10 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %6, i32 0, i32 1
  store <2 x float> %1, ptr %10, align 4
  %11 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %7, i32 0, i32 0
  store <2 x float> %2, ptr %11, align 4
  %12 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %7, i32 0, i32 1
  store <2 x float> %3, ptr %12, align 4
  store float %4, ptr %8, align 4, !tbaa !5
  %13 = getelementptr inbounds %struct.anon.3, ptr %6, i32 0, i32 0
  %14 = load float, ptr %13, align 4, !tbaa !9
  %15 = getelementptr inbounds %struct.anon.3, ptr %7, i32 0, i32 0
  %16 = load float, ptr %15, align 4, !tbaa !9
  %17 = fsub float %14, %16
  %18 = call float @llvm.fabs.f32(float %17)
  %19 = load float, ptr %8, align 4, !tbaa !5
  %20 = fcmp olt float %18, %19
  br i1 %20, label %21, label %48

21:                                               ; preds = %5
  %22 = getelementptr inbounds %struct.anon.3, ptr %6, i32 0, i32 1
  %23 = load float, ptr %22, align 4, !tbaa !9
  %24 = getelementptr inbounds %struct.anon.3, ptr %7, i32 0, i32 1
  %25 = load float, ptr %24, align 4, !tbaa !9
  %26 = fsub float %23, %25
  %27 = call float @llvm.fabs.f32(float %26)
  %28 = load float, ptr %8, align 4, !tbaa !5
  %29 = fcmp olt float %27, %28
  br i1 %29, label %30, label %48

30:                                               ; preds = %21
  %31 = getelementptr inbounds %struct.anon.3, ptr %6, i32 0, i32 2
  %32 = load float, ptr %31, align 4, !tbaa !9
  %33 = getelementptr inbounds %struct.anon.3, ptr %7, i32 0, i32 2
  %34 = load float, ptr %33, align 4, !tbaa !9
  %35 = fsub float %32, %34
  %36 = call float @llvm.fabs.f32(float %35)
  %37 = load float, ptr %8, align 4, !tbaa !5
  %38 = fcmp olt float %36, %37
  br i1 %38, label %39, label %48

39:                                               ; preds = %30
  %40 = getelementptr inbounds %struct.anon.3, ptr %6, i32 0, i32 3
  %41 = load float, ptr %40, align 4, !tbaa !9
  %42 = getelementptr inbounds %struct.anon.3, ptr %7, i32 0, i32 3
  %43 = load float, ptr %42, align 4, !tbaa !9
  %44 = fsub float %41, %43
  %45 = call float @llvm.fabs.f32(float %44)
  %46 = load float, ptr %8, align 4, !tbaa !5
  %47 = fcmp olt float %45, %46
  br label %48

48:                                               ; preds = %39, %30, %21, %5
  %49 = phi i1 [ false, %30 ], [ false, %21 ], [ false, %5 ], [ %47, %39 ]
  ret i1 %49
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 @_Z11vec4_equals4Vec4S_f(<2 x float> %0, <2 x float> %1, <2 x float> %2, <2 x 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 %24

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
  %15 = fsub <2 x float> %1, %3
  %16 = extractelement <2 x float> %15, i64 0
  %17 = tail call float @llvm.fabs.f32(float %16)
  %18 = fcmp olt float %17, %4
  %or.cond = select i1 %14, i1 %18, i1 false
  br i1 %or.cond, label %19, label %24

19:                                               ; preds = %10
  %20 = fsub <2 x float> %1, %3
  %21 = extractelement <2 x float> %20, i64 1
  %22 = tail call float @llvm.fabs.f32(float %21)
  %23 = fcmp olt float %22, %4
  br label %24

24:                                               ; preds = %19, %10, %5
  %25 = phi i1 [ false, %10 ], [ false, %5 ], [ %23, %19 ]
  ret i1 %25
}

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,SimplifyCFGPass,TailCallElimPass,VectorCombinePass