; LLVM IR from heroseh/cgm :: cgm (CgmVec4_copysign)

; 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.CgmVec4 = type { %struct.anon.1 }
%struct.anon.1 = type { float, float, float, float }

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

; Function Attrs: nounwind uwtable
define dso_local { <2 x float>, <2 x float> } @CgmVec4_copysign(<2 x float> %0, <2 x float> %1, <2 x float> %2, <2 x float> %3) #1 {
  %5 = alloca %union.CgmVec4, align 4
  %6 = alloca %union.CgmVec4, align 4
  %7 = alloca %union.CgmVec4, align 4
  %8 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %6, i32 0, i32 0
  store <2 x float> %0, ptr %8, align 4
  %9 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %6, i32 0, i32 1
  store <2 x float> %1, ptr %9, align 4
  %10 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %7, i32 0, i32 0
  store <2 x float> %2, ptr %10, align 4
  %11 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %7, i32 0, i32 1
  store <2 x float> %3, ptr %11, align 4
  %12 = getelementptr inbounds %struct.anon.1, ptr %5, i32 0, i32 0
  %13 = getelementptr inbounds %struct.anon.1, ptr %6, i32 0, i32 0
  %14 = load float, ptr %13, align 4, !tbaa !5
  %15 = getelementptr inbounds %struct.anon.1, ptr %7, i32 0, i32 0
  %16 = load float, ptr %15, align 4, !tbaa !5
  %17 = call float @llvm.copysign.f32(float %14, float %16)
  store float %17, ptr %12, align 4, !tbaa !8
  %18 = getelementptr inbounds %struct.anon.1, ptr %5, i32 0, i32 1
  %19 = getelementptr inbounds %struct.anon.1, ptr %6, i32 0, i32 1
  %20 = load float, ptr %19, align 4, !tbaa !5
  %21 = getelementptr inbounds %struct.anon.1, ptr %7, i32 0, i32 1
  %22 = load float, ptr %21, align 4, !tbaa !5
  %23 = call float @llvm.copysign.f32(float %20, float %22)
  store float %23, ptr %18, align 4, !tbaa !11
  %24 = getelementptr inbounds %struct.anon.1, ptr %5, i32 0, i32 2
  %25 = getelementptr inbounds %struct.anon.1, ptr %6, i32 0, i32 2
  %26 = load float, ptr %25, align 4, !tbaa !5
  %27 = getelementptr inbounds %struct.anon.1, ptr %7, i32 0, i32 2
  %28 = load float, ptr %27, align 4, !tbaa !5
  %29 = call float @llvm.copysign.f32(float %26, float %28)
  store float %29, ptr %24, align 4, !tbaa !12
  %30 = getelementptr inbounds %struct.anon.1, ptr %5, i32 0, i32 3
  %31 = getelementptr inbounds %struct.anon.1, ptr %6, i32 0, i32 3
  %32 = load float, ptr %31, align 4, !tbaa !5
  %33 = getelementptr inbounds %struct.anon.1, ptr %7, i32 0, i32 3
  %34 = load float, ptr %33, align 4, !tbaa !5
  %35 = call float @llvm.copysign.f32(float %32, float %34)
  store float %35, ptr %30, align 4, !tbaa !13
  %36 = getelementptr inbounds %union.CgmVec4, ptr %5, i32 0, i32 0
  %37 = load { <2 x float>, <2 x float> }, ptr %36, align 4
  ret { <2 x float>, <2 x float> } %37
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !10, i64 0}
!9 = !{!"", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12}
!10 = !{!"float", !6, i64 0}
!11 = !{!9, !10, i64 4}
!12 = !{!9, !10, i64 8}
!13 = !{!9, !10, i64 12}


; 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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local { <2 x float>, <2 x float> } @CgmVec4_copysign(<2 x float> %0, <2 x float> %1, <2 x float> %2, <2 x float> %3) local_unnamed_addr #0 {
  %5 = shufflevector <2 x float> %0, <2 x float> %1, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  %6 = shufflevector <2 x float> %2, <2 x float> %3, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  %7 = tail call <4 x float> @llvm.copysign.v4f32(<4 x float> %5, <4 x float> %6)
  %8 = shufflevector <4 x float> %7, <4 x float> poison, <2 x i32> <i32 0, i32 1>
  %9 = shufflevector <4 x float> %7, <4 x float> poison, <2 x i32> <i32 2, i32 3>
  %.fca.0.insert = insertvalue { <2 x float>, <2 x float> } poison, <2 x float> %8, 0
  %.fca.1.insert = insertvalue { <2 x float>, <2 x float> } %.fca.0.insert, <2 x float> %9, 1
  ret { <2 x float>, <2 x float> } %.fca.1.insert
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <4 x float> @llvm.copysign.v4f32(<4 x float>, <4 x float>) #1

attributes #0 = { 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" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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: GlobalDCEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,TailCallElimPass